CN114321022B - High-sealing impeller connecting structure - Google Patents
High-sealing impeller connecting structure Download PDFInfo
- Publication number
- CN114321022B CN114321022B CN202011080515.9A CN202011080515A CN114321022B CN 114321022 B CN114321022 B CN 114321022B CN 202011080515 A CN202011080515 A CN 202011080515A CN 114321022 B CN114321022 B CN 114321022B
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- China
- Prior art keywords
- flange
- output shaft
- shaft body
- oil seal
- impeller
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Links
- 238000007789 sealing Methods 0.000 title abstract description 23
- 239000003921 oil Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The application discloses a high-sealing impeller connecting structure which comprises an output shaft body and an impeller fixedly connected with the output shaft body, wherein the impeller is fixedly connected with the end face of the output shaft body through a first bolt, the output shaft body is supported on two first flanges which are oppositely arranged, the first flanges are connected with the output shaft body through bearings in a rotating mode, the two first flanges are simultaneously and fixedly arranged on a frame, a second flange and a third flange are sequentially and fixedly connected between the impeller and the first flanges on the outer side of the output shaft body, a first oil seal flange and a second oil seal flange are respectively connected on the inner sides of the second flange and the third flange, and the output shaft body sequentially penetrates through the axes of the first oil seal flange and the second oil seal flange. According to the application, the two sealing flanges are fixedly connected with the outer ring of the bearing through the connection of the plurality of flanges, so that high-sealing connection is realized, and oil stains do not leak when the output shaft rotates at high speed.
Description
Technical Field
The application relates to MVR motor drive, in particular to a high-sealing impeller connecting structure.
Background
The state greatly promotes various recycling equipment of secondary steam at present, in the secondary steam recycling equipment, a motor is generally required to drive an impeller structure, and how to stably output the impeller structure is always a problem of research of various enterprises.
Disclosure of Invention
The invention aims to provide a high-sealing impeller connecting structure.
In order to achieve the above purpose, the present invention provides the following technical solutions.
The embodiment of the application discloses a high-sealing impeller connecting structure, which comprises an output shaft body and an impeller fixedly connected with the output shaft body, wherein the impeller is fixedly connected with the end face of the output shaft body through a first bolt, the output shaft body is supported on two first flanges which are oppositely arranged, the first flanges are rotatably connected with the output shaft body through bearings, the two first flanges are simultaneously and fixedly arranged on a frame, a second flange and a third flange are sequentially and fixedly connected between the impeller and the first flanges on the outer side of the output shaft body, a first oil seal flange and a second oil seal flange are respectively connected on the inner sides of the second flange and the third flange, and the output shaft body sequentially penetrates through the axes of the first oil seal flange and the second oil seal flange.
Preferably, in the high-sealing impeller connection structure, the first oil seal flange is fixedly mounted on the second flange through a plurality of second bolts arranged along the circumferential direction.
Preferably, in the high-seal impeller connection structure, the second flange is fixedly mounted to the third flange by a plurality of third bolts disposed along the circumferential direction.
Preferably, in the high-sealing impeller connection structure, the second oil seal flange is fixedly mounted on the third flange through a plurality of fourth bolts arranged along the circumferential direction.
Preferably, in the high-sealing impeller connection structure, the third flange is formed on one side of the frame.
Preferably, in the high-sealing impeller connection structure, first annular air cavities which are uniformly arranged are formed on the inner side of the first oil seal flange along the axial direction, and first slopes which incline towards the impeller are formed on the first annular air cavities.
Preferably, in the high-sealing impeller connection structure, a first gap is formed between the inner side surface of the first annular air cavity and the output shaft body.
Compared with the prior art, the impeller of this technical scheme is direct fixed connection in output shaft, and output shaft installs in the bearing, realizes sealedly through two sealing flange between impeller and the bearing, and two sealing flange are fixed mutually between the outer ring of connecting fixedly and bearing through a plurality of flanges, realize high sealing connection, do not have the greasy dirt leakage when output shaft high-speed rotation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic view of a high seal impeller connection structure in accordance with an embodiment of the present invention;
Fig. 2 shows an enlarged view of circle a in fig. 1.
Detailed Description
The following detailed description of the technical solutions according to the embodiments of the present invention will be given with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-2, a high-sealing impeller connection structure 100 includes an output shaft 101 and an impeller 102 fixedly connected with the output shaft 101, the impeller 102 is fixedly connected with an end face of the output shaft 101 through a first bolt 103, the output shaft 101 is supported by two first flanges 104 which are oppositely arranged, the first flanges 104 are rotatably connected with the output shaft 101 through bearings 105, the two first flanges 104 are simultaneously and fixedly installed on a frame 106, a second flange 107 and a third flange 108 are sequentially and fixedly connected between the impeller 102 and the first flanges 104 on the outer side of the output shaft 101, a first oil seal flange 300 and a second oil seal flange 200 are respectively connected on the inner sides of the second flange 107 and the third flange 108, and the output shaft 101 sequentially penetrates through axes of the first oil seal flange 300 and the second oil seal flange 200. The first oil seal flange 300 is fixedly mounted to the second flange 107 by a plurality of second bolts 111 disposed in the circumferential direction. The second flange 107 is fixedly attached to the third flange 108 by a plurality of third bolts 109 arranged in the circumferential direction. The second oil seal flange 200 is fixedly mounted to the third flange 108 by a plurality of fourth bolts 110 disposed in the circumferential direction. A third flange 108 is formed on one side of the frame 106.
In this embodiment, impeller direct fixed connection is in output shaft, and output shaft installs in the bearing, realizes sealing through two sealing flange between impeller and the bearing, and two sealing flange are fixed mutually between the outer ring of outer ring through the connection fixed of a plurality of flanges and bearing, realize high sealing connection, do not have the greasy dirt leakage when the output shaft high-speed rotates.
Further, a first annular air chamber 301 is formed on the inner side of the first oil seal flange 300 in an even arrangement in the axial direction, and the first annular air chamber 301 is formed with a first slope 302 inclined toward the impeller 102.
In this embodiment, when the output shaft high-speed rotates, has driven the flow of surrounding gas, forms high pressure in the annular air cavity, has prevented the greasy dirt leakage, and the existence of first slope has made things convenient for the effect of high pressure gas to lubricating oil, further prevents the greasy dirt and discharges.
Further, a first gap 303 is formed between the inner side surface of the first annular air chamber 301 and the output shaft 101.
In this embodiment, mechanical friction is prevented from damaging the output shaft.
Further, the second oil seal flange 200 is installed on the outer side of the bearing 105, and is used for preventing oil leakage of the bearing 105, an output shaft body 101 is arranged in the inner ring of the bearing 105, the output shaft body 101 penetrates through the axis of the second oil seal flange 200, a second annular air cavity 201 which is uniformly arranged is formed on the inner side of the second oil seal flange 200 along the axial direction, the second annular air cavity 201 comprises a second air storage cavity 202 which is far away from the output shaft body 101 and a second air guide cavity 203 which is close to the output shaft body 101, the second air guide cavity 203 is formed with a second slope 204 which inclines from the second air storage cavity 202 to the bearing 105, each second air guide cavity 203 is formed between two adjacent annular baffle plates 206, an annular hook 207 which protrudes towards the outer side of the bearing 105 is formed at the inner end of the annular baffle plate 206 which is close to the bearing 105, an annular convex body 208 which is attached to the annular hook 207 is formed on the outer surface of the output shaft body 101, and an annular gap 209 is formed between the annular convex body 208 and the annular hook 207. The end face of the annular projection 208, which is close to the bearing 105, is perpendicular to the axial direction of the output shaft 101. The end face of the annular projection 208 facing away from the bearing 105 is inclined outwardly of the bearing 105 from the output shaft 101. The second oil seal flange 200 is fixedly mounted to the third flange 108 by a plurality of fourth bolts 110 disposed circumferentially.
In the embodiment, after the output shaft rotates at a high speed, surrounding gas is driven to flow, and because of the existence of the second annular air cavity, the gas forms high pressure in the second annular air cavity in the continuous rotation of the output shaft, so that the outflow of bearing lubricating oil is prevented; because the second air guide cavity forms a slope inclined to the bearing, the effect of high-pressure air on lubricating oil is facilitated, the sealing is further ensured, and the lubricating oil is prevented from being discharged. The annular convex body and the annular hook body prevent the outflow and inflow of oil stains in a static state, and further ensure sealing.
Further, a second gap 205 is formed between the inner side surface of the second air guiding cavity 203 and the output shaft 101.
In this embodiment, mechanical friction is prevented from damaging the output shaft.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely illustrative of the embodiments of this application and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the application, and it is intended to cover all modifications and variations as fall within the scope of the application.
Claims (1)
1. The utility model provides a high seal impeller connection structure, its characterized in that includes the output shaft body and the impeller of output shaft body fixed connection, the impeller pass through first bolt fixed connection in output shaft body terminal surface, the output shaft body support in two first flanges of relative setting, first flange with pass through bearing rotation connection between the output shaft body, this two first flanges are fixed mounting simultaneously in the frame, the output shaft body outside in the impeller with be connected with second flange and third flange in proper order between the first flange in the output shaft body outside fixedly connected with first oil seal flange and second oil seal flange respectively, the output shaft body passes in proper order first oil seal flange and second oil seal flange axle center, first oil seal flange passes through a plurality of second bolt fixed mounting in that sets up along the hoop in the second flange, the second oil seal flange passes through a plurality of fourth bolt fixed mounting in the third flange that sets up along the hoop in the output shaft body outside in proper order, second flange and third flange are connected with first oil seal flange and third flange in proper order the third flange inboard in the axial direction is formed, the second oil seal cavity is formed with the second air cavity is formed in the second axial direction to the second air cavity is formed to the second shaft body, the second oil seal cavity is formed in the second axial direction is adjacent to the second air cavity, and the second air cavity is formed to the second axial direction is arranged in the second air cavity side face, and is adjacent to the second air cavity, the second air guide cavities are formed with second slopes inclined from the second air storage cavities to the bearings, each second air guide cavity is formed between two adjacent annular baffle plates, annular hooks protruding towards the outer sides of the bearings are formed at the inner ends of the annular baffle plates close to the bearings, annular gaps are formed on the outer surfaces of the output shafts and are formed between the annular protrusions, the end faces, close to the bearings, of the annular protrusions are perpendicular to the axial direction of the output shafts, the end faces, deviating from the bearings, of the annular protrusions incline from the output shafts to the outer sides of the bearings, second gaps are formed between the inner side faces of the second air guide cavities and the output shafts, and the second oil seal flanges are fixedly mounted on third flanges through a plurality of fourth bolts in annular arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080515.9A CN114321022B (en) | 2020-10-10 | 2020-10-10 | High-sealing impeller connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011080515.9A CN114321022B (en) | 2020-10-10 | 2020-10-10 | High-sealing impeller connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114321022A CN114321022A (en) | 2022-04-12 |
| CN114321022B true CN114321022B (en) | 2024-06-18 |
Family
ID=81032351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011080515.9A Active CN114321022B (en) | 2020-10-10 | 2020-10-10 | High-sealing impeller connecting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN114321022B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213298392U (en) * | 2020-10-10 | 2021-05-28 | 乐元能(苏州)动力科技有限公司 | High-sealing impeller connecting structure |
| CN213298363U (en) * | 2020-10-10 | 2021-05-28 | 乐元能(苏州)动力科技有限公司 | Oil seal flange |
| CN114320994A (en) * | 2020-10-10 | 2022-04-12 | 乐元能(苏州)动力科技有限公司 | Oil seal flange |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204783777U (en) * | 2015-06-05 | 2015-11-18 | 黄广林 | Vane pump |
| CN209308814U (en) * | 2018-12-07 | 2019-08-27 | 中国重汽集团济南动力有限公司 | A kind of vehicle hydraulic pressure fan connection device |
| CN209844233U (en) * | 2019-05-30 | 2019-12-24 | 川开电气有限公司 | Inflatable looped netowrk cabinet bi-polar is fixed with moving seal structure |
-
2020
- 2020-10-10 CN CN202011080515.9A patent/CN114321022B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213298392U (en) * | 2020-10-10 | 2021-05-28 | 乐元能(苏州)动力科技有限公司 | High-sealing impeller connecting structure |
| CN213298363U (en) * | 2020-10-10 | 2021-05-28 | 乐元能(苏州)动力科技有限公司 | Oil seal flange |
| CN114320994A (en) * | 2020-10-10 | 2022-04-12 | 乐元能(苏州)动力科技有限公司 | Oil seal flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114321022A (en) | 2022-04-12 |
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