CN218817620U - Reliable operation type ceramic axle sleeve - Google Patents
Reliable operation type ceramic axle sleeve Download PDFInfo
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- CN218817620U CN218817620U CN202223298812.8U CN202223298812U CN218817620U CN 218817620 U CN218817620 U CN 218817620U CN 202223298812 U CN202223298812 U CN 202223298812U CN 218817620 U CN218817620 U CN 218817620U
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- sleeve
- end plate
- annular
- outer sleeve
- sealing gasket
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Abstract
The utility model discloses a reliable operation type ceramic axle sleeve in the ceramic field, including the outer sleeve, the one end of outer sleeve is provided with annular installation end plate, and the internal diameter of annular installation end plate is less than the internal diameter of outer sleeve, and the external diameter of annular installation end plate is greater than the external diameter of outer sleeve, the inside correspondence of outer sleeve is provided with the position sleeve body, and the one end top of the position sleeve body is leaned on the installation end plate, and the other end of the position sleeve body is provided with annular installation pedestal, and the installation pedestal is fixed mutually with the other end of outer sleeve through a plurality of fasteners along the circumference equipartition, the internal diameter of annular installation pedestal is less than the internal diameter of the position sleeve body, and the internal peripheral correspondence of the position sleeve body is provided with the inner shaft cover, and both ends are contradicted respectively on installation end plate, installation pedestal around the inner shaft cover. The utility model discloses can make reliable operation, reduce rocking with axle sleeve complex pottery pivot to interior axle sleeve can be changed increase of service life.
Description
Technical Field
The utility model belongs to the ceramic field, in particular to reliable operation type ceramic axle sleeve.
Background
In the prior art, a shaft sleeve is a cylindrical mechanical part sleeved on a rotating shaft and has a similar function as a sliding bearing; the shaft sleeve made of zirconia ceramics has the characteristics of high strength and high hardness, and the ceramic shaft sleeve is not easily corroded by acidic substances like metal ceramics in the using process, so that the ceramic shaft sleeve is suitable for underwater environment and can be used for underwater water pumps, impellers or motors.
The existing ceramic shaft sleeve has a simple structure and has the following defects: in the long-time use process, the ceramic shaft sleeve is easy to wear, the shaft sleeve and the support must be integrally replaced, and the cost is high; because ceramic shaft sleeve does not have the constant head tank before, it is not hard up easily in the use, the water pump will produce the noise shake, also can influence the life of water pump simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reliable operation type pottery axle sleeve can make reliable operation, reduce rocking with axle sleeve complex pottery pivot to interior axle sleeve can be changed increase of service life.
The purpose of the utility model is realized like this: the utility model provides a reliable operation type ceramic axle sleeve, includes the outer sleeve, and the one end of outer sleeve is provided with annular installation end plate, and the internal diameter of annular installation end plate is less than the internal diameter of outer sleeve, and the external diameter of annular installation end plate is greater than the external diameter of outer sleeve, the inside correspondence of outer sleeve is provided with the set body of location, and the one end top of the set body of location is leaned on the installation end plate, and the other end of the set body of location is provided with annular installation pedestal, and the installation pedestal is fixed mutually with the other end of outer sleeve through a plurality of fasteners along the circumference equipartition, the internal diameter of annular installation pedestal is less than the internal diameter of the set body of location, and the internal peripheral correspondence of the set body of location is provided with interior axle sleeve, and both ends are contradicted respectively on installation end plate, installation pedestal around the interior axle sleeve.
When the utility model works, the mounting end plate is mounted on the equipment through a plurality of bolts which are uniformly distributed along the circumferential direction, and the ceramic rotating shaft passes through the shaft hole of the inner shaft sleeve to rotatably support the ceramic rotating shaft; when the shaft sleeve is assembled, the inner shaft sleeve is inserted into the positioning sleeve body in a matching way, then the positioning sleeve body is inserted into the outer sleeve in a matching way, and the mounting base body and the outer sleeve are locked and installed through a plurality of fastening pieces which are uniformly distributed in the circumferential direction; when the inner shaft sleeve is worn, the fastener is loosened to take down the positioning sleeve body, and then the inner shaft sleeve is replaced. Compared with the prior art, the beneficial effects of the utility model reside in that: can make reliable operation, reduce with rocking of axle sleeve complex pottery pivot to interior axle sleeve can be changed increase of service life.
As a further improvement, the inner diameter of the inner shaft sleeve is smaller than the inner diameter of the annular mounting end plate, and the inner diameter of the inner shaft sleeve is also smaller than the inner diameter of the annular mounting seat body.
In order to facilitate the installation to prevent the position sleeve body, interior axle sleeve circumference dislocation removal, the interior week and the periphery of the position sleeve body are provided with a plurality of interior ribs, the outer rib along the circumference equipartition respectively, and interior rib, outer rib all are parallel with position sleeve body axis direction, and a plurality of outer cooperation grooves have been seted up to the interior week of outer sleeve corresponding each outer rib, and a plurality of interior cooperation grooves have been seted up to interior axle sleeve periphery corresponding each interior rib, and outer rib contacts with the installation end plate.
In order to locate the positioning sleeve body and the inner shaft sleeve in the axial direction, a first annular sealing gasket is arranged between the mounting base body and the end face of the outer sleeve, a plurality of through holes capable of allowing fasteners to pass are formed in the first annular sealing gasket, a second annular sealing gasket is arranged between the mounting end plate and the end face of the positioning sleeve body, a third annular sealing gasket is arranged between the mounting base body and the end face of the inner shaft sleeve, and the first annular sealing gasket, the second annular sealing gasket and the third annular sealing gasket are all made of rubber materials.
In order to add lubricating oil between the inner shaft sleeve and the ceramic rotating shaft, the outer sleeve, the positioning sleeve body and the inner shaft sleeve are provided with lubricating oil holes, and the lubricating oil holes are communicated with one another.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a cross-sectional view of the outer sleeve, the locating sleeve body and the inner sleeve.
The sealing structure comprises an outer sleeve 1, an installation end plate 1a, a positioning sleeve body 2, an installation base body 2a, an inner rib 2b, an outer rib 2c, an inner shaft sleeve 3, an outer matching groove 4, an inner matching groove 5, a first sealing gasket 6, a second sealing gasket 7, a third sealing gasket 8, a lubricating oil hole 9 and a fastener 10.
Detailed Description
As shown in fig. 1 and 2, a reliable ceramic bushing includes an outer sleeve 1, one end of the outer sleeve 1 is provided with an annular mounting end plate 1a, an inner diameter of the annular mounting end plate 1a is smaller than an inner diameter of the outer sleeve 1, an outer diameter of the annular mounting end plate 1a is larger than an outer diameter of the outer sleeve 1, a positioning sleeve 2 is correspondingly disposed inside the outer sleeve 1, one end of the positioning sleeve 2 abuts against the mounting end plate 1a, the other end of the positioning sleeve 2 is provided with an annular mounting seat 2a, the mounting seat 2a is fixed to the other end of the outer sleeve 1 by a plurality of fasteners 10 uniformly distributed along a circumferential direction, an inner diameter of the annular mounting seat 2a is smaller than an inner diameter of the positioning sleeve 2, an inner bushing 3 is correspondingly disposed on an inner circumference of the positioning sleeve 2, and front and rear ends of the inner bushing 3 respectively abut against the mounting end plate 1a and the mounting seat 2 a.
The inner diameter of the inner shaft sleeve 3 is smaller than that of the annular mounting end plate 1a, and the inner diameter of the inner shaft sleeve 3 is also smaller than that of the annular mounting base body 2 a.
For the convenience of installation, and prevent the position sleeve body 2, 3 circumference dislocation of inner shaft sleeve remove, the inner periphery and the periphery of the position sleeve body 2 are provided with a plurality of interior ribs 2b along the circumference equipartition respectively, outer rib 2c, interior rib 2b, outer rib 2c all is parallel with the 2 axis direction of the position sleeve body, 1 inner periphery of outer sleeve corresponds each outer rib 2c and has seted up a plurality of outer cooperation grooves 4, 3 peripheries of inner shaft sleeve correspond each interior rib 2b and have seted up a plurality of interior cooperation grooves 5, outer rib 2c contacts with installation end plate 1 a. In order to axially position the positioning sleeve body 2 and the inner shaft sleeve 3, a first annular sealing gasket 6 is arranged between the end face of the mounting base body 2a and the end face of the outer sleeve 1, a plurality of through holes through which fasteners 10 can pass are formed in the first annular sealing gasket 6, a second annular sealing gasket 7 is arranged between the end face of the mounting end plate 1a and the end face of the positioning sleeve body 2, a third annular sealing gasket 8 is arranged between the mounting base body 2a and the end face of the inner shaft sleeve 3, and the first annular sealing gasket 6, the second annular sealing gasket 7 and the third annular sealing gasket 8 are all made of rubber materials.
In order to add lubricating oil between the inner shaft sleeve 3 and the ceramic rotating shaft, the outer sleeve 1, the positioning sleeve body 2 and the inner shaft sleeve 3 are provided with lubricating oil holes 9, and the lubricating oil holes 9 are communicated with each other.
When the utility model works, the mounting end plate 1a is mounted on the equipment through a plurality of bolts which are uniformly distributed along the circumferential direction, and the ceramic rotating shaft passes through the shaft hole of the inner shaft sleeve 3 to rotatably support the ceramic rotating shaft; when the shaft sleeve is assembled, the inner shaft sleeve 3 is inserted into the positioning sleeve body 2 in a matching way, then the positioning sleeve body 2 is inserted into the outer sleeve 1 in a matching way, and the mounting base body 2a and the outer sleeve 1 are locked by a plurality of fasteners 10 which are uniformly distributed in the circumferential direction; when the inner shaft sleeve 3 is worn, the fastener 10 is loosened to take down the positioning sleeve body 2, and then the inner shaft sleeve 3 is replaced. The utility model has the advantages that: the working is reliable, the shaking of the ceramic rotating shaft matched with the shaft sleeve is reduced, the use failure rate is reduced, and the use time is prolonged; and the inner shaft sleeve 3 can be replaced, and the service life is prolonged.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides a reliable operation type pottery axle sleeve, its characterized in that includes the outer sleeve, and the one end of outer sleeve is provided with annular installation end plate, and the internal diameter of annular installation end plate is less than the internal diameter of outer sleeve, and the external diameter of annular installation end plate is greater than the external diameter of outer sleeve, the inside correspondence of outer sleeve is provided with the locating sleeve body, and the one end top of the locating sleeve body is leaned on the installation end plate, and the other end of the locating sleeve body is provided with annular installation pedestal, and the installation pedestal is fixed mutually with the other end of outer sleeve through a plurality of fasteners along circumference equipartition, the internal diameter of annular installation pedestal is less than the internal diameter of the locating sleeve body, and the internal circumference correspondence of the locating sleeve body is provided with the inner shaft cover, and the front and back both ends of inner shaft cover are contradicted respectively on installation end plate, installation pedestal.
2. The reliable operation type ceramic bushing of claim 1, wherein said inner bushing has an inner diameter smaller than the inner diameter of said annular mounting end plate and smaller than the inner diameter of said annular mounting base.
3. The reliable operation type ceramic shaft sleeve of claim 1 or 2, wherein the inner circumference and the outer circumference of the positioning sleeve body are respectively provided with a plurality of inner ribs and outer ribs which are uniformly distributed along the circumferential direction, the inner ribs and the outer ribs are parallel to the axis direction of the positioning sleeve body, the inner circumference of the outer sleeve is provided with a plurality of outer matching grooves corresponding to the outer ribs, the outer circumference of the inner shaft sleeve is provided with a plurality of inner matching grooves corresponding to the inner ribs, and the outer ribs are in contact with the mounting end plate.
4. The reliable ceramic bushing of claim 3, wherein a first annular sealing gasket is disposed between the mounting base and the end surface of the outer sleeve, the first sealing gasket has a plurality of through holes for passing fasteners, a second annular sealing gasket is disposed between the mounting end plate and the end surface of the positioning sleeve, a third annular sealing gasket is disposed between the mounting base and the end surface of the inner bushing, and the first sealing gasket, the second sealing gasket and the third sealing gasket are made of rubber.
5. The reliable operation type ceramic bushing of claim 1 or 2, wherein the outer sleeve, the positioning sleeve and the inner bushing are provided with lubrication holes, and the lubrication holes are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223298812.8U CN218817620U (en) | 2022-12-09 | 2022-12-09 | Reliable operation type ceramic axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223298812.8U CN218817620U (en) | 2022-12-09 | 2022-12-09 | Reliable operation type ceramic axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817620U true CN218817620U (en) | 2023-04-07 |
Family
ID=87268281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223298812.8U Active CN218817620U (en) | 2022-12-09 | 2022-12-09 | Reliable operation type ceramic axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817620U (en) |
-
2022
- 2022-12-09 CN CN202223298812.8U patent/CN218817620U/en active Active
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