CN204755383U - A bearing seal structure for oil pump - Google Patents
A bearing seal structure for oil pump Download PDFInfo
- Publication number
- CN204755383U CN204755383U CN201520538809.XU CN201520538809U CN204755383U CN 204755383 U CN204755383 U CN 204755383U CN 201520538809 U CN201520538809 U CN 201520538809U CN 204755383 U CN204755383 U CN 204755383U
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- packing
- oil
- outside framework
- seal structure
- seal
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- Expired - Fee Related
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Abstract
The utility model relates to a bearing seal structure field, aim at provides a bearing seal structure for oil pump, a bearing seal structure for oil pump, including casing, pivot, packing oil blanket and two skeleton oil blankets, be equipped with the packing room in the casing, be equipped with on the casing and run through the first through -hole of packing room, the pivot is passed first through -hole and packing room, packing oil blanket and skeleton oil blanket set up in the packing room, the both sides of packing oil blanket are equipped with a skeleton oil blanket respectively, packing oil blanket and two skeleton oil blanket covers are established in the pivot. The utility model has the advantages of the compound oil blanket structure that adopts packing oil blanket and skeleton oil blanket to combine together, packing oil blanket and two skeleton oil blankets be inside to form all comparatively stable subenvironments of a composition and pressure, greatly the improvement seal up the emergence of effect, the reduction oil leak circumstances.
Description
Technical field
The utility model relates to shaft seal structure field, particularly a kind of shaft seal structure for oil pump.
Background technique
Existing oil pump shaft seal structure is all generally in rotating shaft outer installment packing room, in packing indoor, packing oil sealing is set, packing oil sealing is made up of packing, and high temperature high voltage resistant is easy to install and use, but single use packing oil sealing Leakage is serious, lubrication oil consumption is large, and needs periodical repair, labor intensive resource and time, leakage of oil situation in addition can worsen the pollution of plant effuent to downstream river, destroys physical environment.
Model utility content
The purpose of this utility model is to overcome above-mentioned defect, provides a kind of shaft seal structure for oil pump of good sealing effect.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of shaft seal structure for oil pump, comprise housing, rotating shaft, packing oil sealing and two outside framework oil seals, packing room is provided with in described housing, described housing is provided with the first through hole running through described packing room, described rotating shaft is through described first through hole and packing room, described packing oil sealing and outside framework oil seal are arranged in described packing room, and the both sides of described packing oil sealing are respectively equipped with an outside framework oil seal, and described packing oil sealing and two outside framework oil seals are set in described rotating shaft.
Further, also comprise end cap, described end cap is provided with the second through hole, and described end cap is fixed on described housing and is provided with the side of described first through hole and is resisted against on described outside framework oil seal, and described rotating shaft is through described second through hole.
Further, the material of described outside framework oil seal is fluorine rubber.
Further, the material of described packing oil sealing is GFO fiber.
The beneficial effects of the utility model are: adopt the combined seal structure that packing oil sealing and outside framework oil seal combine, the good seal performance of outside framework oil seal, oil leak can be reduced, packing oil sealing is arranged between two outside framework oil seals, certain lubricant oil recoverable amount is provided to shaft seal structure, prevent the oil slick thickness between outside framework oil seal and rotating shaft too small, there is dry friction, cause the wearing and tearing of outside framework oil seal and rotating shaft, and packing oil sealing inherently has good sealing, packing oil sealing and two outside framework oil seals inside form compositions and all comparatively stable microhabitat of pressure, be not subject to external action, greatly improve sealing effect, reduce the generation of leakage of oil situation.
Accompanying drawing explanation
Fig. 1 is the structural drawing of the utility model embodiment for the shaft seal structure of oil pump.
Label declaration:
1, housing; 11, packing room; 2, rotating shaft; 3, packing oil sealing; 4, outside framework oil seal; 5, end cap.
Embodiment
By describing technology contents of the present utility model, structure characteristics in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with mode of execution.
The design of the utility model most critical is: adopt the combined seal structure that packing oil sealing and outside framework oil seal combine, packing oil sealing and two outside framework oil seals inside form compositions and all comparatively stable microhabitat of pressure, greatly improve sealing effect, reduce the generation of leakage of oil situation.
Refer to shown in Fig. 1, the shaft seal structure for oil pump of the present embodiment, comprise housing 1, rotating shaft 2, packing oil sealing 3 and two outside framework oil seals 4, packing room 11 is provided with in described housing 1, described housing 1 is provided with the first through hole running through described packing room 11, described rotating shaft 2 is through described first through hole and packing room 11, described packing oil sealing 3 and outside framework oil seal 4 are arranged in described packing room 11, the both sides of described packing oil sealing 3 are respectively equipped with an outside framework oil seal 4, and described packing oil sealing 3 and two outside framework oil seals 4 are set in described rotating shaft 2.
Working procedure of the present utility model is: outside framework oil seal 4 and packing oil sealing 3 are all arranged in rotating shaft 2, and due to outside framework oil seal 4 lip, its internal diameter is less than rotating shaft 2 diameter of axle in a free state, namely has certain magnitude of interference.When outside framework oil seal 4 installs to after in rotating shaft 2, the preload pressure of oil sealing cutting edge and the contraction of self-tightening spiral garter spring are added to oil sealing cutting edge, and countershaft 2 produces certain radial tightening power, thus improve sealability, and packing oil sealing 3 is arranged between two outside framework oil seals 4.
From foregoing description, the beneficial effects of the utility model are: adopt the combined seal structure that packing oil sealing 3 and outside framework oil seal 4 combine, the good seal performance of outside framework oil seal 4, oil leak can be reduced, packing oil sealing 3 is arranged between two outside framework oil seals 4, certain lubricant oil recoverable amount is provided to shaft seal structure, prevent the oil slick thickness between outside framework oil seal 4 and rotating shaft 2 too small, there is dry friction, cause the wearing and tearing of outside framework oil seal 4 and rotating shaft 2, and packing oil sealing 3 inherently has good sealing, packing oil sealing 3 and two outside framework oil seals 4 inside form compositions and all comparatively stable microhabitat of pressure, be not subject to external action, greatly improve sealing effect, reduce the generation of leakage of oil situation.
Further, also comprise end cap 5, described end cap 5 is provided with the second through hole, and described end cap 5 is fixed on described housing 1 and is provided with the side of described first through hole and is resisted against on described outside framework oil seal 4, and described rotating shaft 2 is through described second through hole.
Seen from the above description, end cap 5 pairs of outside framework oil seals 4 play certain impacting force, can tighten up the structure between two outside framework oil seals 4, make apparatus structure compacter, be out of shape, affect sealing effect after avoiding Long-Time Service.
Further, the material of described outside framework oil seal 4 is fluorine rubber.
Seen from the above description, fluorine rubber chemical stability is good, has some strength, heat resistance, wear resistance, anti-flexibility, ageing resistance better, is applied on the lip of outside framework oil seal 4, can increases the stability of shaft seal structure, improve working life.
Further, the material of described packing oil sealing 3 is GFO fiber.
Seen from the above description, the material of packing oil sealing 3 is GFO fiber, and long service life, has excellent thermal conductivity, lubricity, and countershaft 2 weares and teares little.
Please refer to shown in Fig. 1, embodiment one of the present utility model is:
A kind of shaft seal structure for oil pump, comprise housing 1, rotating shaft 2, packing oil sealing 3, two outside framework oil seals 4 and end cap 5, packing room 11 is provided with in described housing 1, described housing 1 is provided with the first through hole running through described packing room 11, described rotating shaft 2 is through described first through hole and packing room 11, described packing oil sealing 3 and outside framework oil seal 4 are arranged in described packing room 11, the both sides of described packing oil sealing 3 are respectively equipped with an outside framework oil seal 4, described packing oil sealing 3 and two outside framework oil seals 4 are set in described rotating shaft 2, described end cap 5 is provided with the second through hole, described end cap 5 is fixed on described housing 1 and is provided with the side of described first through hole and is resisted against on described outside framework oil seal 4, described rotating shaft 2 is through described second through hole, the material of described outside framework oil seal 4 is fluorine rubber, the material of described packing oil sealing 3 is GFO fiber.
In sum, the shaft seal structure for oil pump that the utility model provides, adopt the combined seal structure that packing oil sealing and outside framework oil seal combine, the good seal performance of outside framework oil seal, oil leak can be reduced, packing oil sealing is arranged between two outside framework oil seals, certain lubricant oil recoverable amount is provided to shaft seal structure, prevent the oil slick thickness between outside framework oil seal and rotating shaft too small, there is dry friction, cause the wearing and tearing of outside framework oil seal and rotating shaft, and packing oil sealing inherently has good sealing, packing oil sealing and two outside framework oil seals inside form compositions and all comparatively stable microhabitat of pressure, be not subject to external action, greatly improve sealing effect, reduce the generation of leakage of oil situation, end cap plays certain impacting force to outside framework oil seal, the structure between two outside framework oil seals can be tightened up, make apparatus structure compacter, be out of shape after avoiding Long-Time Service, affect sealing effect.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. the shaft seal structure for oil pump, it is characterized in that: comprise housing, rotating shaft, packing oil sealing and two outside framework oil seals, packing room is provided with in described housing, described housing is provided with the first through hole running through described packing room, described rotating shaft is through described first through hole and packing room, described packing oil sealing and outside framework oil seal are arranged in described packing room, and the both sides of described packing oil sealing are respectively equipped with an outside framework oil seal, and described packing oil sealing and two outside framework oil seals are set in described rotating shaft.
2. the shaft seal structure for oil pump according to claim 1, it is characterized in that: also comprise end cap, described end cap is provided with the second through hole, and described end cap is fixed on described housing and is provided with the side of described first through hole and is resisted against on described outside framework oil seal, and described rotating shaft is through described second through hole.
3. the shaft seal structure for oil pump according to claim 1, is characterized in that: the material of described outside framework oil seal is fluorine rubber.
4. the shaft seal structure for oil pump according to claim 1, is characterized in that: the material of described packing oil sealing is GFO fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538809.XU CN204755383U (en) | 2015-07-23 | 2015-07-23 | A bearing seal structure for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538809.XU CN204755383U (en) | 2015-07-23 | 2015-07-23 | A bearing seal structure for oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755383U true CN204755383U (en) | 2015-11-11 |
Family
ID=54470094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520538809.XU Expired - Fee Related CN204755383U (en) | 2015-07-23 | 2015-07-23 | A bearing seal structure for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610505A (en) * | 2020-11-26 | 2021-04-06 | 河南航天液压气动技术有限公司 | Direct-current brushed electric fuel centrifugal pump for aviation and testing method thereof |
-
2015
- 2015-07-23 CN CN201520538809.XU patent/CN204755383U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610505A (en) * | 2020-11-26 | 2021-04-06 | 河南航天液压气动技术有限公司 | Direct-current brushed electric fuel centrifugal pump for aviation and testing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |