CN112303469A - Oil pump capable of adjusting position of oil outlet - Google Patents
Oil pump capable of adjusting position of oil outlet Download PDFInfo
- Publication number
- CN112303469A CN112303469A CN202011313053.0A CN202011313053A CN112303469A CN 112303469 A CN112303469 A CN 112303469A CN 202011313053 A CN202011313053 A CN 202011313053A CN 112303469 A CN112303469 A CN 112303469A
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- oil
- oil outlet
- rear end
- pipe
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0207—Pressure lubrication using lubricating pumps characterised by the type of pump
- F01M2001/0238—Rotary pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
- F01M2001/0284—Pressure lubrication using lubricating pumps mounting of the pump
Abstract
The oil pump comprises a pump body, wherein an oil outlet communicated with an oil pan is formed in the pump body, the oil outlet is communicated with the oil pan through a connecting pipe, the front end of the connecting pipe is inserted into the oil outlet and can rotate or axially move, the rear end of the connecting pipe is matched with an inlet of the oil pan, a first sealing ring is clamped between the outer wall of the connecting pipe and the inner wall of the oil outlet, and the rear end of the connecting pipe can be aligned and matched with the inlet of the oil pan through the axial movement and/or rotation of the connecting pipe. The invention can ensure that a tight assembly effect can be formed between the oil outlet and the oil pan, thereby reducing the risk of oil leakage to a great extent.
Description
Technical Field
The invention relates to the technical field of oil pumps, in particular to an oil pump capable of adjusting the position of an oil outlet.
Background
In the oil pump structure, when the oil outlet and the pump body mounting surface are positioned on the same plane, after the pump body and the engine cylinder body are mounted and connected, as long as the sealing width and the bolt torque meet the requirements, the oil outlet can obtain a normal sealing effect. However, for an oil pump with an oil outlet not on the same plane as the pump body mounting surface, for example, the mounting surface needs to be connected with a bolt on an engine cylinder block group frame, and the oil outlet needs to be communicated with an oil pan located in the other direction, at this time, the mounting dimensional accuracy of the oil pump and the engine cylinder block needs to be very high, and the assembly effect between the oil outlet and the oil pan is easily affected by slight deviation, so that the tightness between the oil outlet and the oil pan is reduced, and the risk of oil leakage is generated.
Disclosure of Invention
The invention aims to provide an oil pump with an adjustable oil outlet position, which can ensure that a tight assembly effect can be formed between an oil outlet and an oil pan, so that the risk of oil leakage is reduced to the greatest extent.
In order to solve the technical problems, the invention adopts the following technical scheme: the oil pump capable of adjusting the position of the oil outlet comprises a pump body, wherein the pump body is provided with the oil outlet communicated with an oil pan, the oil outlet is communicated with the oil pan through a connecting pipe, the front end of the connecting pipe is inserted into the oil outlet and can rotate or move along the axial direction, the rear end of the connecting pipe is matched with the inlet of the oil pan, a first sealing ring is clamped between the outer wall of the connecting pipe and the inner wall of the oil outlet, the rear end of the connecting pipe can be aligned and matched with the inlet of the oil pan through moving along the axial direction and/or rotating the connecting pipe, an oil outlet channel communicated with the oil outlet is arranged in the pump body, and the inner diameter of the connecting pipe is matched with the inner diameter.
Preferably, the connecting pipe includes pipe shaft and the installation department of fixed connection in the pipe shaft rear end, the rear end mouth of pipe of connecting pipe sets up in one side of installation department and the orificial axial direction of its rear end and the orificial axial direction mutually perpendicular of its front end.
More preferably, a positioning pin is fixedly arranged on the other side of the mounting part, and the axial direction of the positioning pin is parallel to the axial direction of the pipe orifice at the rear end of the connecting pipe.
More preferably, the annular is provided with the second draw-in groove and the second draw-in groove surrounds the rear end mouth of pipe of connecting pipe on the terminal surface of installation department, the card is equipped with the second sealing washer in the second draw-in groove.
More preferably, a plurality of projections for abutting against the inner wall surface of the second clamping groove are uniformly arranged at intervals along the ring shape on the inner side of the second sealing ring.
More preferably, the mounting portion is provided with a threaded connection hole.
More preferably, the outer circumferential surface of the front end of the connecting pipe is annularly provided with a bulge matched with the inner wall of the oil outlet.
More preferably, a first clamping groove is annularly formed in the middle of the protrusion, and the first sealing ring is arranged in the first clamping groove.
The invention has the beneficial effects that: for the oil pump with the oil outlet and the pump body installation surface not on the same plane, even if the pump body is fixedly installed and the position of the original oil outlet is not changed, the connecting pipe is rotated or axially moved, the position of the final oil outlet port (namely the rear end pipe orifice of the connecting pipe) can be adjusted to be aligned with the inlet of the oil pan, so that the accurate matching connection is realized, the tight assembling effect between the oil outlet and the oil pan is ensured, the risk of oil leakage is reduced to the greatest extent, and the defects of the oil pump and the engine cylinder body in the aspect of controlling the installation size precision are overcome.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure in the embodiment;
fig. 3 is an exploded view of the structure of the connection tube in the embodiment.
The reference signs are:
1-pump body 2-oil outlet 3-connecting pipe
3 a-pipe body 3 b-mounting portion 4-first sealing ring
5-positioning pin 6 a-second clamping groove 6 b-second sealing ring
6 c-projection 7-threaded connecting hole 8-projection
8 a-first card slot.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Further, in the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not in direct contact, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
As shown in fig. 1-3, an oil pump capable of adjusting the position of an oil outlet includes a pump body 1, an oil outlet 2 for communicating with an oil pan is arranged on the pump body 1, the oil outlet 2 is communicated with the oil pan through a connecting pipe 3, the front end of the connecting pipe 3 is inserted into the oil outlet 2 and can rotate or move axially, the rear end of the connecting pipe 3 is matched with an inlet of the oil pan, a first sealing ring 4 is clamped between the outer wall of the connecting pipe 3 and the inner wall of the oil outlet 2, the connecting pipe 3 can be moved axially and/or rotated, so that the rear end of the connecting pipe 3 can be aligned and matched with the inlet of the oil pan, an oil outlet channel (i.e., a channel through which high-pressure oil in a rotor cavity passes after being discharged) is arranged in the pump body 1, and the inner diameter of.
The oil pump capable of adjusting the position of the oil outlet provided by the embodiment mainly aims at the condition that the oil outlet 2 and the mounting surface of the pump body 1 are not on the same plane, when the oil pump is mounted on an engine cylinder body, the connecting pipe 3 can be slightly adjusted to enable the connecting pipe 3 to rotate or axially move so as to enable the rear end pipe orifice of the connecting pipe 3 to be pre-aligned with the inlet of the oil pan, then the pump body 1 and the engine cylinder body can be fastened and connected, then the connecting pipe 3 is formally adjusted so as to enable the rear end pipe orifice of the connecting pipe 3 to be completely aligned and matched with the inlet of the oil pan, finally the rear end of the connecting pipe 3 can be fastened and connected with the oil pan, and at the moment, the connecting part of the front end of the connecting pipe 3 and the oil outlet 2 cannot generate relative displacement change, and accordingly the connection. Because the connecting part of the connecting pipe 3 and the oil outlet 2 in the structure can generate relative displacement change to be adjusted before the engine oil pump is completely assembled, even if the mounting dimension precision of the engine oil pump or an engine cylinder body is not ideal, the position of the oil outlet port (namely the rear end pipe orifice of the connecting pipe 3) can be adjusted to be aligned with the inlet of the oil pan and realize matching connection, so that the tight assembly effect between the oil outlet and the oil pan is ensured, and the risk of oil leakage is reduced to the greatest extent.
It should be noted that the remaining structures of the oil pump, such as the pump cover, the pump shaft, the rotor, and the like, have been omitted in this embodiment, and those skilled in the art should know that these structures are all common oil pump structures, and the structure capable of adjusting the position of the oil outlet provided in this application can be applied to any oil pump in which the oil outlet 2 and the mounting surface of the pump body 1 are not on the same plane, so that the main structure of the oil pump is not described in detail.
Preferably, the connecting pipe 3 includes pipe shaft 3a and the installation department 3b of fixed connection in pipe shaft 3a rear end, the rear end mouth of pipe of connecting pipe 3 sets up in one side of installation department 3b and the orificial axial direction of rear end and the orificial axial direction mutually perpendicular of front end rather than, to the structure that this kind of rear end mouth of pipe orientation and front end mouth of pipe orientation are different, can easily make the rear end mouth of pipe look for the entry of oil pan through rotating connecting pipe 3, also consequently, in the oil pump that possesses this structure, the orientation of the oil-out 2 that the pump body 1 self set up can possess more selectivity, thereby be convenient for adapt to engine cylinder block structure in a flexible way, the processing of being convenient for.
On the basis, the fixed locating pin 5 that is provided with of opposite side of installation department 3b, the axial direction of locating pin 5 is parallel to each other with the orificial axial direction in connecting pipe 3 rear end, can make things convenient for the rear end mouth of pipe of connecting pipe 3 to find the position fast like this, as long as go into the locating hole of presetting that corresponds with locating pin 5 card promptly, just enable the rear end mouth of pipe of connecting pipe 3 and aligned the entry of oil pan, this makes the assembly link can improve certain efficiency.
Preferably, the end face of the mounting portion 3b is annularly provided with a second clamping groove 6a, the second clamping groove 6a surrounds the rear end pipe orifice of the connecting pipe 3, a second sealing ring 6b is clamped in the second clamping groove 6a, so that the sealing performance between the rear end pipe orifice of the connecting pipe 3 and the inlet of the oil pan is improved, wherein a plurality of protruding blocks 6c used for abutting against the inner wall surface of the second clamping groove 6a are uniformly arranged on the inner side of the second sealing ring 6b along the annular shape at intervals, so that the second sealing ring 6b can be firmly clamped in the second clamping groove 6a, and the firmness of the structure is improved.
More preferably, the mounting portion 3b is provided with a screw-coupling hole 7 so that the mounting portion 3b is directly fastened to the oil pan.
In addition, in this embodiment, the outer peripheral surface of the front end of the connecting pipe 3 is annularly provided with a protrusion 8 matched with the inner wall of the oil outlet 2, the protrusion 8 can be in clearance fit with the inner wall surface of the oil outlet 2, wherein the middle part of the protrusion 8 is annularly provided with a first clamping groove 8a, the first sealing ring 4 is arranged in the first clamping groove 8a, and the sealing effect is good.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.
Some of the drawings and descriptions of the present invention have been simplified to facilitate the understanding of the improvements over the prior art by those skilled in the art, and some other elements have been omitted from this document for the sake of clarity, and it should be appreciated by those skilled in the art that such omitted elements may also constitute the subject matter of the present invention.
Claims (8)
1. The oil pump capable of adjusting the position of the oil outlet comprises a pump body (1), wherein the pump body (1) is provided with the oil outlet (2) communicated with an oil pan, and the oil pump is characterized in that: the oil outlet (2) is communicated with the oil pan through a connecting pipe (3), the front end of the connecting pipe (3) is inserted into the oil outlet (2) and can rotate or move along the axial direction, the rear end of the connecting pipe (3) is matched with the inlet of the oil pan, a first sealing ring (4) is clamped between the outer wall of the connecting pipe (3) and the inner wall of the oil outlet (2), the connecting pipe (3) and/or the connecting pipe (3) can rotate through moving along the axial direction, the rear end of the connecting pipe (3) is aligned with the inlet of the oil pan and is matched and connected with the inlet of the oil pan, an oil outlet channel communicated with the oil outlet (2) is arranged in the pump body (1), and the inner diameter of the connecting pipe (3) is matched with the inner.
2. The oil pump of claim 1, wherein: connecting pipe (3) are including shaft of pipe (3 a) and fixed connection at installation department (3 b) of shaft of pipe (3 a) rear end, the rear end mouth of pipe of connecting pipe (3) sets up in one side of installation department (3 b) and the orificial axial direction of rear end and the orificial axial direction mutually perpendicular of front end thereof.
3. The oil pump of claim 2, wherein: the opposite side of installation department (3 b) is fixed and is provided with locating pin (5), the axial direction of locating pin (5) is parallel to each other with the orificial axial direction in connecting pipe (3) rear end.
4. The oil pump of claim 3, wherein: the annular is provided with second draw-in groove (6 a) and second draw-in groove (6 a) around the rear end mouth of pipe of connecting pipe (3) on the terminal surface of installation department (3 b), the card is equipped with second sealing washer (6 b) in second draw-in groove (6 a).
5. The oil pump of claim 4, wherein: and a plurality of lugs (6 c) used for abutting against the inner wall surface of the second clamping groove (6 a) are uniformly arranged at intervals along the ring shape on the inner side of the second sealing ring (6 b).
6. The oil pump of claim 5, wherein: the mounting part (3 b) is provided with a threaded connecting hole (7).
7. The oil pump of claim 1, wherein: the outer peripheral surface of the front end of the connecting pipe (3) is annularly provided with a bulge (8) matched with the inner wall of the oil outlet (2).
8. The oil pump of claim 7, wherein: first draw-in groove (8 a) have been seted up to the middle part annular of arch (8), first sealing washer (4) set up in first draw-in groove (8 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313053.0A CN112303469B (en) | 2020-11-20 | 2020-11-20 | Oil pump capable of adjusting position of oil outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313053.0A CN112303469B (en) | 2020-11-20 | 2020-11-20 | Oil pump capable of adjusting position of oil outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112303469A true CN112303469A (en) | 2021-02-02 |
| CN112303469B CN112303469B (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011313053.0A Active CN112303469B (en) | 2020-11-20 | 2020-11-20 | Oil pump capable of adjusting position of oil outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112303469B (en) |
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| CN112303469B (en) | 2022-03-11 |
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