CN203717918U - Rotary oil seal structure of blender main shaft - Google Patents
Rotary oil seal structure of blender main shaft Download PDFInfo
- Publication number
- CN203717918U CN203717918U CN201320893782.7U CN201320893782U CN203717918U CN 203717918 U CN203717918 U CN 203717918U CN 201320893782 U CN201320893782 U CN 201320893782U CN 203717918 U CN203717918 U CN 203717918U
- Authority
- CN
- China
- Prior art keywords
- main shaft
- oil seal
- connecting base
- seal structure
- cold air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses a rotary oil seal structure of a blender main shaft. The rotary oil seal structure comprises a machine body, an end cover, a connecting base, the rotating main shaft, an installation base and an oil seal, wherein the end cover is fixed to the lower end of the machine body, the connecting base is fixed to the lower end of the end cover, the rotating main shaft is connected in the machine body, the end cover and the connecting base in a penetrating mode and pivoted to the machine body through a bearing, the installation base is fixed inside the connecting base and connected outside the rotating main shaft in a sleeved mode, an installation cavity is formed in the installation base, the oil seal is fixed inside the installation cavity, is arranged outside the rotating main shaft in a sleeved mode and comprises a base and flexible lip sheets, the base and the installation base are fixed, and the flexible lip sheets are connected to the base and attached to the surface of the rotating main shaft in an airtight mode. By means of the rotary oil seal structure, the flexible lip sheets on the oil seal and the rotating main shaft are sealed in the attached mode, the rotary oil seal structure of the blender main shaft is simplified, and cost is reduced; in addition, when the rotary oil seal structure works, the flexible lip sheets are continuously cooled through cold air, influences caused by the high temperature on the flexible lip sheets are prevented, and the reliability of the oil seal is improved.
Description
Technical field
The utility model relates to a kind of rotation oil seal structure of stirrer main shaft.
Background technique
At present, at insufficient lubrication, at a high speed, the stirrer main shaft of working under high temperature and strong corrosive medium operating mode, the sealability of its seal protection structure is particularly important.At present, some stirrer main shafts adopt the mode of air curtain sealing to realize the sealing of stirrer main shaft, but, the reliability of mode normal work under above-mentioned complex conditions operating mode of air curtain sealing is lower, the main shaft of the stirrer also having is the mode that adopts common mechanical seal, and existing mechanical seal mode structure is comparatively complicated, and due in high speed rotating process, comparatively serious to the wearing and tearing of Sealing, this has just increased the cost of stirrer sealing configuration.
Model utility content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of rotation oil seal structure of stirrer main shaft, and it is simple in structure, and cost is lower, and reliability is high.
For achieving the above object, the utility model adopts following technological scheme:
The rotation oil seal structure of stirrer main shaft, comprises,
Body;
Be fixed on the end cap of body underpart;
Be fixed on the connecting base of end cap underpart;
Cross-under is the rotary main shaft on body in body, end cap and connecting base and by bearing hinge joint;
Be fixed on connecting base inner and be socketed in the fitting seat of rotary main shaft outside, this fitting seat is inner forms an installation cavity;
Be fixed in installation cavity and be set in the oil sealing of rotary main shaft outside, this oil sealing comprises the pedestal fixing with fitting seat and is connected on pedestal the flexible lip sheet with the airtight laminating in surface of rotary main shaft.
On body, be provided with a cold air import, on end cap, be provided with a cold air outlet, on connecting base, be provided with an annular gas tank being communicated with cold air import, the underpart in the first gap forming between connecting base and rotary main shaft is communicated with installation cavity, this first gap is communicated with annular gas tank by a plurality of gas ports that are arranged on connecting base, between end cap and rotary main shaft, form one second gap, the upper end portion in this second gap is communicated with cold air outlet, underpart is communicated with the upper end portion in the first gap.
Gas port is by the inner side surface that extends to connecting base of the madial wall inclination of annular gas tank, and a plurality of gas port is evenly distributed on connecting base.
The beneficial effects of the utility model are:
Than prior art, the utility model is by the flexible lip sheet on oil sealing and rotary main shaft gluing, sealing, it has simplified the rotation oil seal structure that stirs main shaft, reduced cost, in addition,, when work, what by cold air, flexible lip sheet is continued is cooling, prevent the impact that high temperature causes flexible lip sheet, improved the reliability of oil sealing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of oil sealing in Fig. 1;
Wherein: 10, body; 11, cold air import; 20, end cap; 21, cold air outlet; 30, rotary main shaft; 40, fitting seat; 50, oil sealing; 51, pedestal; 52, flexible lip sheet; 60, connecting base; 61, annular gas tank; 62, gas port.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
As Fig. 1, shown in 2, rotation oil seal structure for a kind of stirrer main shaft of the present utility model, it comprises body 10, end cap 20, connecting base 60, rotary main shaft 30, fitting seat 40 and oil sealing 50, wherein, end cap 20 is fixed on the underpart of body 10, connecting base 60 is fixed on the underpart of end cap 20, rotary main shaft 30 is from top to bottom successively through body 10, end cap 20 and connecting base 60, and this rotary main shaft 30 by bearing hinge joint on body 10, above-mentioned fitting seat 40 is fixed in connecting base 60 and is socketed in the outside of rotary main shaft 30, an installation cavity of fitting seat 40 inner formation, oil sealing 50 is fixed in this installation cavity and is set in rotary main shaft 30 outsides, this oil sealing 50 comprises the pedestal 51 being fixedly connected with fitting seat 40, and be connected on pedestal 51 the flexible lip sheet 52 with the airtight laminating in surface of rotary main shaft 30, wherein, pedestal 51 can adopt stainless steel material to make, there is good anticorrosive property, 52 of flexible lip sheets can adopt teflon (PTEE) to make, flexible lip sheet 52 and rotary main shaft 30 interference fit, and magnitude of interference is large, flexible lip sheet 52 is fitted in rotary main shaft 30 outsides closely, thereby there is good sealing effect, and simple in structure, reliability is high.
In order further to increase the reliability of sealing of the present utility model and use, the utility model is also provided with an air cooling system, operating temperature for reducing above-mentioned oil sealing 50, prevent the impact of excessive temperature on flexible lip sheet 52 sealabilities, concrete is, on body 10, be provided with a cold air import 11, on end cap 20, be provided with a cold air outlet 21, on connecting base 60, be provided with an annular gas tank 61 being communicated with cold air import 11, the underpart in the first gap forming between connecting base 60 and rotary main shaft 30 is communicated with installation cavity, this first gap is communicated with annular gas tank 61 by a plurality of gas ports 62 that are arranged on connecting base 60, between end cap 20 and rotary main shaft 30, form one second gap, the upper end portion in this second gap is communicated with cold air outlet 21, underpart is communicated with the upper end portion in the first gap.During work, the cold air that passes into continuing to cold air import 11 is set for cold air by outside, cold air enters into annular gas tank 61 inside, annular gas tank 61 is evenly distributed in cold air on circumferential surface, and be transported in the first above-mentioned gap by a plurality of gas ports 62, cold air first gap of postponing enters into installation cavity, in installation cavity, carry out heat exchange with flexible lip sheet 52, take away the heat producing on flexible lip sheet 52, afterwards, postpone the first gap, the second gap and cold air outlet 21 of cold air is discharged from, thus continue to flexible lip sheet 52, carry out cooling.
To one skilled in the art, can make other various corresponding changes and deformation according to technological scheme described above and design, and within these all changes and deformation all should belong to the protection domain of the utility model claim.
Claims (3)
1. the rotation oil seal structure of stirrer main shaft, is characterized in that, comprise,
Body;
Be fixed on the end cap of body underpart;
Be fixed on the connecting base of end cap underpart;
Cross-under is the rotary main shaft on body in body, end cap and connecting base and by bearing hinge joint;
Be fixed on connecting base inner and be socketed in the fitting seat of rotary main shaft outside, this fitting seat is inner forms an installation cavity;
Be fixed in installation cavity and be set in the oil sealing of rotary main shaft outside, this oil sealing comprises the pedestal fixing with fitting seat and is connected on pedestal the flexible lip sheet with the airtight laminating in surface of rotary main shaft.
2. the rotation oil seal structure of stirrer main shaft as claimed in claim 1, it is characterized in that, on body, be provided with a cold air import, on end cap, be provided with a cold air outlet, on connecting base, be provided with an annular gas tank being communicated with cold air import, the underpart in the first gap forming between connecting base and rotary main shaft is communicated with installation cavity, this first gap is communicated with annular gas tank by a plurality of gas ports that are arranged on connecting base, between end cap and rotary main shaft, form one second gap, the upper end portion in this second gap is communicated with cold air outlet, underpart is communicated with the upper end portion in the first gap.
3. the rotation oil seal structure of stirrer main shaft as claimed in claim 2, is characterized in that, gas port is by the inner side surface that extends to connecting base of the madial wall inclination of annular gas tank, and a plurality of gas port is evenly distributed on connecting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893782.7U CN203717918U (en) | 2013-12-31 | 2013-12-31 | Rotary oil seal structure of blender main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893782.7U CN203717918U (en) | 2013-12-31 | 2013-12-31 | Rotary oil seal structure of blender main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717918U true CN203717918U (en) | 2014-07-16 |
Family
ID=51157070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320893782.7U Expired - Lifetime CN203717918U (en) | 2013-12-31 | 2013-12-31 | Rotary oil seal structure of blender main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500741A (en) * | 2014-11-25 | 2015-04-08 | 大连橡胶塑料机械股份有限公司 | Novel sealing gland structure |
| CN109707746A (en) * | 2018-12-13 | 2019-05-03 | 广州市昊志机电股份有限公司 | Bearing seal structure and electro spindle including the sealing structure |
-
2013
- 2013-12-31 CN CN201320893782.7U patent/CN203717918U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500741A (en) * | 2014-11-25 | 2015-04-08 | 大连橡胶塑料机械股份有限公司 | Novel sealing gland structure |
| CN109707746A (en) * | 2018-12-13 | 2019-05-03 | 广州市昊志机电股份有限公司 | Bearing seal structure and electro spindle including the sealing structure |
| CN109707746B (en) * | 2018-12-13 | 2021-04-30 | 广州市昊志机电股份有限公司 | Bearing sealing structure and electric spindle comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |