CN215860954U - High-pressure oil pump impeller - Google Patents
High-pressure oil pump impeller Download PDFInfo
- Publication number
- CN215860954U CN215860954U CN202122021664.4U CN202122021664U CN215860954U CN 215860954 U CN215860954 U CN 215860954U CN 202122021664 U CN202122021664 U CN 202122021664U CN 215860954 U CN215860954 U CN 215860954U
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- Prior art keywords
- cover body
- blade
- pressure oil
- oil pump
- lid
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- 238000003780 insertion Methods 0.000 claims description 44
- 230000037431 insertion Effects 0.000 claims description 44
- 239000000446 fuel Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a high-pressure oil pump impeller, which comprises a first cover body, a second cover body and a plurality of blades, wherein the blades are detachably arranged between the first cover body and the second cover body and are distributed in a centrosymmetric manner, wherein: the surface of the first cover body and/or the second cover body is provided with an inserting groove for inserting the blade from inside to outside in the radial direction or from outside to inside, and the part of the blade corresponding to the inserting groove is arranged as an inserting part; and the first cover body and/or the second cover body are/is provided with a limiting assembly. According to the high-pressure oil pump impeller, when a single blade of the impeller is damaged, only the damaged blade needs to be replaced, and other intact parts can still be used continuously.
Description
Technical Field
The utility model relates to the technical field of oil pumps, in particular to a high-pressure oil pump impeller.
Background
The high pressure oil pump is an interface of a high pressure oil path and a low pressure oil path, and functions to generate fuel pressure in the common rail by controlling the fuel output amount. Under all operating conditions, it is primarily responsible for providing the common rail with sufficient high pressure fuel.
The impeller of the high-pressure oil pump converts the kinetic energy of fluid into mechanical energy, the conventional impeller generally welds a plurality of blades and a cover body on the side edge of each blade, and when a single blade is damaged, the blade is welded with the cover body, so that the whole impeller needs to be replaced when being replaced, and other intact impeller parts which are not damaged can not be reused, resource waste is caused, the economic cost is improved, therefore, the high-pressure oil pump impeller needs to be improved, the resource waste of the impeller is reduced, and the cost is saved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-pressure oil pump impeller, wherein blades are detachably arranged between a first cover body and a second cover body, when a single blade is damaged, only the blade needs to be replaced, and other impeller parts can still be continuously used, so that the resource waste is reduced, and the economic cost is saved.
In order to achieve the purpose, the utility model adopts the main technical scheme that:
the utility model provides a high-pressure oil pump impeller, this high-pressure oil pump's impeller includes first lid, second lid and a plurality of blade, and a plurality of blade detachable install between first lid and second lid to be central symmetric distribution, wherein:
the surface of the first cover body and/or the second cover body is provided with an inserting groove for inserting the blade from inside to outside in the radial direction or from outside to inside, the part of the blade corresponding to the inserting groove is arranged as an inserting part, and the inserting part is arranged to be matched with the inserting groove to limit the blade in the axial direction of the impeller after being inserted into the inserting groove;
and the first cover body and/or the second cover body are/is provided with a limiting assembly for limiting the end part of the blade in the radial direction of the impeller after the inserting part of the blade is inserted into the slot from the radial direction of the impeller.
Preferably, when the blade is radially inserted into the slot from inside to outside, the insertion portion is arranged in the width direction of the blade and is located at the end of the blade, the slot is formed in the first cover body and the second cover body and is located on the same side as the insertion portion, and the limiting assembly is inserted into the centers of the first cover body and the second cover body from the axial direction of the impeller and fixes the first cover body and the second cover body.
Preferably, a groove for inserting one end of the blade is formed on one of the first cover body and the second cover body which is distributed opposite to the insertion portion.
Preferably, the limiting assembly comprises a first chuck plate, a mounting column, a second chuck plate and a plurality of fastening bolts, a first groove matched with the first chuck plate is formed in one of the first cover body and the second cover body which is positioned on the same side as the insertion part, a second groove matched with the second chuck plate is formed in one of the first cover body and the second cover body which is distributed opposite to the insertion part, the second chuck plate is in threaded connection with the mounting column through the plurality of fastening bolts, and the mounting column is fixed with the first chuck plate.
Preferably, the mounting column is provided with a sliding groove matched with the inner side end of the blade.
Preferably, when the blade is inserted into the insertion groove from the outside inward in the radial direction, one or two insertion portions are provided in the width direction of the blade and are located at the end of the blade.
Preferably, when the number of the insertion portions is one, the insertion groove is formed in one of the first cover and the second cover on the same side as the insertion portion.
Preferably, when the number of the insertion portions is two, the two insertion slots are respectively formed in the first cover body and the second cover body.
Preferably, the limiting assembly is arranged on the outer side surface of the first cover body/the second cover body.
The utility model has at least the following beneficial effects:
according to the high-pressure oil pump impeller provided by the utility model, the plurality of blades are detachably arranged between the first cover body and the second cover body, so that when a single blade of the impeller is damaged, only the damaged blade needs to be replaced, and other intact parts can still be used continuously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of the blade of the present invention inserted into the slot from the inside to the outside in the radial direction.
Fig. 2 is a schematic exploded view of fig. 1 including a second groove viewing angle.
Fig. 3 is a schematic exploded view of the structure of fig. 1 including a first groove viewing angle.
Fig. 4 is a schematic view of the structure of the present invention in which the insertion portion is one and the blades are inserted into the slots from the outside to the inside in the radial direction.
Fig. 5 is a schematic diagram of the structure of fig. 4 in a disassembled state.
Fig. 6 is a schematic view of the structure of the present invention in which two insertion portions are provided and the blades are inserted into the slots from the outside to the inside in the radial direction.
Fig. 7 is a schematic diagram of the structure of fig. 6 in a disassembled state.
In the figure, 1-first cover, 2-second cover, 3-blade, 301-insert, 4-slot, 5-spacing assembly, 501-first chuck, 502-mounting post, 503-second chuck, 504-fastening bolt, 6-groove, 7-first groove, 8-second groove, 9-sliding groove, 10-connecting block.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
As shown in fig. 1 to 7, the impeller of the high-pressure oil pump of the present invention includes a first cover body 1, a second cover body 2, and a plurality of vanes 3, wherein the vanes 3 are detachably mounted between the first cover body 1 and the second cover body 2 and are distributed in a central symmetry manner, wherein:
the surface of the first cover body 1 and/or the second cover body 2 is provided with a slot 4 for inserting the blade 3 from inside to outside in the radial direction/from outside to inside, the part of the blade 3 corresponding to the slot 4 is set as an insertion part 301, the insertion part 301 is set to limit the blade 3 in the axial direction of the impeller in cooperation with the slot 4 after the blade 3 is inserted into the slot 4, and the section of the insertion part 301 in the axial direction of the impeller is T-shaped;
the first cover body 1 and/or the second cover body 2 are provided with a limiting assembly 5 for limiting the end of the blade 3 in the radial direction of the impeller after the insertion portion 301 of the blade 3 is inserted into the insertion groove 4 in the radial direction of the impeller. When adopting above-mentioned technical scheme to be applied to single blade 3 of impeller and damaging and need changing, through installing blade 3 detachable between first lid 1 and second lid 2, only need remove spacing subassembly 5 back, take out this blade 3's that need change inserting portion 301 from slot 4 along the radial of impeller, renew blade 3 again, after installing new blade 3 again, this impeller can be worked again, needn't change whole impeller among the prior art, practiced thrift economic cost. The insertion part 301 is matched with the insertion groove 4 to limit the blades 3 in the axial direction of the impeller, and the limiting assembly 5 limits the end parts of the blades 3 in the radial direction of the impeller, so that the whole impeller can stably run when the damaged single blade 3 is replaced.
As shown in fig. 3, as a preferred embodiment, when the blade 3 is inserted into the slot 4 from inside to outside in the radial direction, one insertion portion 301 is disposed in the width direction of the blade 3 and is located at the end portion of the blade 3, the slot 4 is disposed on one of the first cover body 1 and the second cover body 2 which is located on the same side as the insertion portion 301, and a groove 6 for inserting one end of the blade 3 is disposed on one of the first cover body 1 and the second cover body 2 which is distributed opposite to the insertion portion 301. When the slot 4 is arranged on the first cover body 1, the groove 6 is arranged on the second cover body 2; when the slot 4 is opened on the second cover body 2, the groove 6 is opened on the first cover body 1. After the insertion portion 301 of the blade 3 is inserted into the slot 4 from the radial direction of the impeller, the second cover 2 engages the groove 6 with the corresponding end of the blade 3 along the axial direction of the impeller, thereby further ensuring the stability of the installation of the blade 3. The first cover body 1 and the second cover body 2 are annular structures, and as shown in fig. 2-3, the limiting component 5 is inserted into the centers of the first cover body 1 and the second cover body 2 from the axial direction of the impeller and fixes the first cover body 1 and the second cover body 2. The limiting assembly 5 comprises a first chuck plate 501, a mounting column 502, a second chuck plate 503 and a plurality of fastening bolts 504, a first groove 7 matched with the first chuck plate 501 is formed in one of the first cover body 1 and the second cover body 2 on the same side as the insertion part 301, a second groove 8 matched with the second chuck plate 503 is formed in one of the first cover body 1 and the second cover body 2 distributed opposite to the insertion part 301, the second chuck plate 503 is in threaded connection with the mounting column 502 through the plurality of fastening bolts 504, and the mounting column 502 is fixed with the first chuck plate 501. The first cover body 1 and the second cover body 2 are clamped and fastened by the first chuck plate 501, the second chuck plate 503 and the plurality of fastening bolts 504, so that the whole impeller is more stable when the impeller rotates. The first chuck 501 is located in the first groove 7, the second chuck 503 is located in the second groove 8, and the first chuck 501 and the second chuck 503 do not protrude from the corresponding surfaces of the first cover 1 and the second cover 2, so that the installation of the impeller is not affected.
As shown in fig. 2-3, in the above embodiment, the mounting post 502 is provided with a sliding slot 9 adapted to the inner end of the blade 3. After the mounting post 502 is inserted into the centers of the first cover body 1 and the second cover body 2, the inner ends of the blades 3 at the centers of the first cover body 1 and the second cover body 2 are located in the sliding grooves 9, so that the limiting assembly 5 limits the ends of the blades 3 in the radial direction of the impeller more stably.
As shown in fig. 4 to 7, as a preferred embodiment, when the blade 3 is inserted into the slot 4 from the outside to the inside in the radial direction, one or two insertion portions 301 are provided in the width direction of the blade 3 and are located at the end of the blade 3. At this time, the thickness of the vane 3 is generally the same at each position along the radial direction of the impeller, the first cover body 1 and the second cover body 2 have a circular structure, and the first cover body 1 and the second cover body 2 can be fixed by the connecting block 10 located at the center of the first cover body 1 and the second cover body 2. Inserting the slot 4 from the outside inwards provides a greater range of operation than inserting it from the inside outwards, making it more convenient to replace the blade 3.
In the above embodiment: when the insertion portion 301 is one, as shown in fig. 4 to 5, the insertion groove 4 is opened in one of the first cover 1 and the second cover 2 on the same side as the insertion portion 301. When there are two insertion portions 301, as shown in fig. 6 to 7, two insertion grooves 4 are provided, which are respectively provided on the first cover 1 and the second cover 2. The provision of two insertion portions 301 facilitates the slot 4 to position the vane 3 in the axial direction of the impeller more advantageously than the provision of one insertion portion 301.
Whether the insertion part 301 is one or two, as shown in fig. 4 to 7, the position limiting component 5 is arranged on the outer side surface of the first cover body 1/the second cover body 2. The limiting assembly 5 can be a limiting bolt, is in threaded connection with the outer side surface of the first cover body 1/the second cover body 2, and limits the blades 3 along the axial direction of the impeller, so that the blades 3 cannot be thrown out due to the action of centrifugal force in the rotating process of the impeller.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.
It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.
While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as before, that the utility model is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a high-pressure oil pump impeller, its characterized in that, this high-pressure oil pump's impeller includes first lid, second lid and a plurality of blade, and a plurality of blade detachable install between first lid and second lid to be central symmetric distribution, wherein:
the surface of the first cover body and/or the second cover body is provided with an inserting groove for inserting the blade from inside to outside in the radial direction or from outside to inside, the part of the blade corresponding to the inserting groove is arranged as an inserting part, and the inserting part is arranged to be matched with the inserting groove to limit the blade in the axial direction of the impeller after being inserted into the inserting groove;
and the first cover body and/or the second cover body are/is provided with a limiting assembly for limiting the end part of the blade in the radial direction of the impeller after the inserting part of the blade is inserted into the slot from the radial direction of the impeller.
2. A high-pressure oil pump impeller according to claim 1, characterized in that: the blade is radially inserting from inside to outside during the slot, the inserted part is in the width direction of blade sets up one, and is located the blade tip, the slot is seted up in first lid and the second lid with the inserted part be located one of homonymy, spacing subassembly is from the center of the axial of impeller first lid and the second lid of inserting to it is fixed with first lid and second lid.
3. A high-pressure oil pump impeller according to claim 2, characterized in that: one of the first cover body and the second cover body which is distributed opposite to the inserting part is provided with a groove for inserting one end of the blade.
4. A high-pressure oil pump impeller according to claim 2, characterized in that: the limiting assembly comprises a first chuck plate, a mounting column, a second chuck plate and a plurality of fastening bolts, a first groove matched with the first chuck plate is formed in one of the first cover body and the second cover body, which is positioned on the same side as the insertion part, a second groove matched with the second chuck plate is formed in one of the first cover body and the second cover body, which is distributed relative to the insertion part, the second chuck plate is in threaded connection with the mounting column through the fastening bolts, and the mounting column is fixed with the first chuck plate.
5. The high-pressure oil pump impeller according to claim 4, characterized in that: and the mounting column is provided with a sliding groove matched with the inner side end of the blade.
6. A high-pressure oil pump impeller according to claim 1, characterized in that: when the blades are inserted into the slots from outside to inside in the radial direction, one or two insertion parts are arranged in the width direction of the blades and are positioned at the ends of the blades.
7. The high-pressure oil pump impeller according to claim 6, characterized in that: when the number of the insertion parts is one, the insertion groove is formed in one of the first cover body and the second cover body which is located on the same side as the insertion part.
8. The high-pressure oil pump impeller according to claim 6, characterized in that: when the number of the insertion parts is two, the two insertion grooves are arranged and are respectively arranged on the first cover body and the second cover body.
9. A high-pressure oil pump impeller according to claim 7 or 8, characterized in that: the limiting assembly is arranged on the outer side surface of the first cover body/the second cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021664.4U CN215860954U (en) | 2021-08-24 | 2021-08-24 | High-pressure oil pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122021664.4U CN215860954U (en) | 2021-08-24 | 2021-08-24 | High-pressure oil pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860954U true CN215860954U (en) | 2022-02-18 |
Family
ID=80242632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122021664.4U Expired - Fee Related CN215860954U (en) | 2021-08-24 | 2021-08-24 | High-pressure oil pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234512A (en) * | 2022-07-19 | 2022-10-25 | 嘉兴嘉鼓风机有限公司 | Impeller structure of air blower and machining process thereof |
-
2021
- 2021-08-24 CN CN202122021664.4U patent/CN215860954U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115234512A (en) * | 2022-07-19 | 2022-10-25 | 嘉兴嘉鼓风机有限公司 | Impeller structure of air blower and machining process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |