CN107237757A - A kind of modified miniature engine oil pump - Google Patents
A kind of modified miniature engine oil pump Download PDFInfo
- Publication number
- CN107237757A CN107237757A CN201710539373.XA CN201710539373A CN107237757A CN 107237757 A CN107237757 A CN 107237757A CN 201710539373 A CN201710539373 A CN 201710539373A CN 107237757 A CN107237757 A CN 107237757A
- Authority
- CN
- China
- Prior art keywords
- ring
- pump
- centrifugal
- centrifugal pan
- water conservancy
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/021—Units comprising pumps and their driving means containing a coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of modified miniature engine oil pump, centrifugal impeller including pump case, pump cover and in pump case and pump cover, wherein pump case includes discoideus water conservancy diversion cavity, apocenosis mouth of the axis on water conservancy diversion cavity tangent line is provided with the side wall of water conservancy diversion cavity, the rotating hole for connecting centrifugal impeller drive mechanism is provided with the middle part of pump cover；Centrifugal impeller includes drive disk and centrifugal pan, drive disk periphery is provided with driving ring, a middle side part of drive disk dorsad driving ring is provided with columnar connection ring, inlet is located in the middle part of connection ring, rotated and connected by bearing between connection ring and rotating hole, connection ring, which is stretched out on the outer wall of rotation bore portion, has also been fixedly and coaxially connected drive gear, the periphery of centrifugal pan is provided with contact ring, contact ring is contacted with driving ring, the side annular array that centrifugation panel surface dorsad contacts ring is provided with hollow convex column of some sections for sector, outage is densely covered with the side wall of convex column.
Description
Technical field
The present invention relates to a kind of oil pump for being used to machine oil circulate driving, a kind of miniature machine oil of modified is particularly belonged to
Pump.
Background technology
The oil pump that general lathe is used is peristaltic pump, and traditional machine tool uses gear oil pump, this two kinds of structures, gear oil
Pump configuration is simple, and operating noise is low, but driving force is relatively poor, and peristaltic pump generally requires extra motor and is driven,
Noise is big, and driving force opposed gear oil pump does not have larger lifting.
The content of the invention
The technical problem to be solved in the present invention is：Overcoming technical problem of the prior art, there is provided a kind of modified is miniature
Lubricating oil pump.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of modified miniature engine oil pump, including pump case, pump cover and the centrifugal impeller in pump case and pump cover, wherein described
Pump case includes a discoideus water conservancy diversion cavity, and an axis is provided with the side wall of water conservancy diversion cavity positioned at water conservancy diversion cavity tangent line
On apocenosis mouth, pump cover is fixedly connected on pump case top, is provided with the middle part of the pump cover for connecting centrifugal impeller driving
The rotating hole of mechanism；The centrifugal impeller includes a drive disk and a centrifugal pan, wherein the drive disk includes a circle
Annular drive disk body, drive disk body periphery is provided with a driving ring, drive disk body dorsad driving ring one
Middle side part is provided with a columnar connection ring, and inlet is located in the middle part of connection ring, leads between the connection ring and rotating hole
Cross bearing and rotate connection, connection ring, which is stretched out on the outer wall of rotation bore portion, has also been fixedly and coaxially connected a drive gear, described
Centrifugal pan includes the centrifugal pan body of a circular plate type, and a contact ring is provided with the periphery of the centrifugal pan body, described
Contact ring is contacted by an O-ring seal being arranged in driving ring with driving ring, and the centrifugal pan body surface dorsad connects
The side annular array for touching ring is provided with hollow convex column of some sections for sector, and the bottom of the convex column is in centrifugal pan
Body surface opening, outage is densely covered with the side wall of the convex column.
As a further improvement on the present invention, it is provided with the side of the middle part direction contact ring of the centrifugal pan body
One top is taper or hemispheric diversion column, and the diversion column is extend into connection ring.
As a further improvement on the present invention, an annular support chip is provided with the inwall of the water conservancy diversion cavity,
The link slot that a width is more than support chip thickness is provided with the outer wall of the contact ring, the inner edge of the support chip is embedded into
In foregoing link slot.
As a further improvement on the present invention, an air pressure connector is additionally provided with the middle part of the pump case.
As a further improvement on the present invention, an annular liquid inlet port is rotatably connected in the middle part of the connection ring.
The beneficial effects of the invention are as follows：
1st, the present invention improves traditional centrifugal pump structure by one, the centrifugal impeller of traditional centrifugal pump using bulb support into
Row rotates connection, and centrifugal force is essentially from impeller blade, but for the larger equipment lubrication liquid of viscosity itself, the centrifugation leaf of small size
Wheel piece is difficult driving, and is easy to influence normal rotation, this knot because of the high viscosity of lubricating fluid between rotor and pump case
The centrifugal impeller of structure is supported using the oily buoyancy of itself, and rotational resistance is low, and this structure improves centrifugal impeller structure,
Centrifugal impeller is set to hollow-core construction, the lubricating fluid in centrifugal impeller is thrown away by centrifugal force, increase lubricating fluid with from
The contact of lobus cardiacus wheel, improves efficiency, connects, can prevent for disengaging type between the centrifugal impeller and drive disk of this structure in addition
Damping oil local solidification or impurity are after stuck centrifugal impeller, and drive disk stops the rotation so that whole drive mechanism also occurs
It is stuck.
2nd, water conservancy diversion rod structure can carry out certain shunting to lubricating fluid, reduce local resistance, improve efficiency.
3rd, annular support chip can prevent centrifugal impeller and pump case bottom from coming in contact and rubbing, and cause centrifugal impeller
Damage.
4th, pneumatic structure can cause centrifugal impeller to be close on drive disk by air pressure, while offer one that can be extra
Fixed driving force, it is ensured that the flow velocity of lubricating fluid.
5th, liquid inlet port is rotationally connected with driving ring so that feed liquor structure relative can be forbidden, and can be more uniformly distributed
It is added in centrifugal pump.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the diagrammatic cross-section of the present invention；
In figure：1st, pump cover；2nd, pump case；3rd, drive disk body；4th, centrifugal pan body；5th, convex column；6th, support chip；7th, diversion column；
8th, driving ring；9th, drive gear；10th, liquid inlet port；11st, air pressure connector；12nd, apocenosis mouth；13rd, driving ring；14th, ring packing
Circle；15th, outage.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in figure 1, the present invention is a kind of modified miniature engine oil pump, including pump case, pump cover and positioned at pump case and pump
Centrifugal impeller in lid, wherein the pump case includes a discoideus water conservancy diversion cavity, is provided with the side wall of water conservancy diversion cavity
One axis is located at the apocenosis mouth on water conservancy diversion cavity tangent line, and pump cover is fixedly connected on pump case top, set in the middle part of the pump cover
It is equipped with the rotating hole for connecting centrifugal impeller drive mechanism；The centrifugal impeller includes a drive disk and a centrifugal pan,
Wherein described drive disk includes the drive disk body of an annular, and drive disk body periphery is provided with a driving ring,
One middle side part of drive disk body dorsad driving ring is provided with a columnar connection ring, and the middle part of the connection ring, which is rotated, to be connected
An annular liquid inlet port is connected to, is rotated and connected by bearing between the connection ring and rotating hole, connection ring stretches out rotating hole
A drive gear is also fixedly and coaxially connected on partial outer wall, the centrifugal pan includes the centrifugal pan sheet of a circular plate type
Body, a contact ring is provided with the periphery of the centrifugal pan body, and the contact ring is arranged in driving ring by one
O-ring seal is contacted with driving ring, and a top is provided with the side of the middle part direction contact ring of the centrifugal pan body
For taper or hemispheric diversion column, the diversion column is extend into connection ring, and the centrifugal pan body surface is dorsad contacted
It is fan-shaped hollow convex column that the side annular array of ring, which is provided with some sections, and the bottom of the convex column is in centrifugal pan sheet
Body surface opening, is densely covered with outage, the inwall of the water conservancy diversion cavity on the side wall of the convex column and is provided with one
The support chip of annular, the link slot that a width is more than support chip thickness, the branch are provided with the outer wall of the contact ring
The inner edge of blade is embedded into foregoing link slot, and an air pressure connector is additionally provided with the middle part of the pump case.
Under working condition, lubricating fluid enters from the liquid inlet port at top and constitutes one by centrifugal pan body and drive disk body
Centrifuge in cavity, lubricating fluid is entered in convex column under the driving of gravity, centrifugal pan body revolves in the high speed of drive disk body
Turn to rotate under driving, so that lubricating fluid is thrown away from the outage of convex column, and in the circumferential driving of centrifugal pan body
Under power, from the apocenosis mouth discharge in tangential direction, and if when oil pressure deficiency or lubricating fluid lack, centrifugal pan body loses bottom
The buoyancy support of portion's lubricating fluid, is separated between drive disk body, drive disk body idle running so that structure is stopped, reduction
Noise, while prevent centrifugal pan body from wearing and tearing, and if when centrifugal pump driving force is not enough, can be added by air pressure connector
Enter air pressure, increase air pressure driving force under the basis of the centrifugal force on centrifugal pan body, improve pump pressure.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (5)
1. a kind of modified miniature engine oil pump, it is characterized in that：Centrifugation leaf including pump case, pump cover and in pump case and pump cover
Wheel, wherein the pump case includes a discoideus water conservancy diversion cavity, an axis is provided with the side wall of water conservancy diversion cavity and is located at
Apocenosis mouth on water conservancy diversion cavity tangent line, pump cover is fixedly connected on pump case top, is provided with the middle part of the pump cover for connecting
The rotating hole of centrifugal impeller drive mechanism；The centrifugal impeller includes a drive disk and a centrifugal pan, wherein the driving
Disk includes the drive disk body of an annular, and drive disk body periphery is provided with a driving ring, in the drive disk body back of the body
A middle side part of driving ring is provided with a columnar connection ring, inlet is located in the middle part of connection ring, the connection ring with
Rotated and connected by bearing between rotating hole, connection ring, which is stretched out on the outer wall of rotation bore portion, has also been fixedly and coaxially connected a drive
Moving gear, the centrifugal pan includes the centrifugal pan body of a circular plate type, and the periphery of the centrifugal pan body is provided with one
Ring is contacted, the contact ring is contacted by an O-ring seal being arranged in driving ring with driving ring, the centrifugal pan sheet
The side annular array that body surface face dorsad contacts ring is provided with hollow convex column of some sections for sector, the convex column
Bottom is densely covered with outage in centrifugal pan body surface opening on the side wall of the convex column.
2. a kind of modified miniature engine oil pump as claimed in claim 1, it is characterized in that：In the middle part court of the centrifugal pan body
A top is provided with to the side of contact ring for taper or hemispheric diversion column, the diversion column extend into connection ring
In.
3. a kind of modified miniature engine oil pump as claimed in claim 1, it is characterized in that：Set on the inwall of the water conservancy diversion cavity
There is an annular support chip, the link slot that a width is more than support chip thickness be provided with the outer wall of the contact ring,
The inner edge of the support chip is embedded into foregoing link slot.
4. a kind of modified miniature engine oil pump as claimed in claim 1, it is characterized in that：It is additionally provided with the middle part of the pump case
One air pressure connector.
5. a kind of modified miniature engine oil pump as claimed in claim 1, it is characterized in that：The middle part of the connection ring rotates connection
There is an annular liquid inlet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539373.XA CN107237757A (en) | 2017-07-04 | 2017-07-04 | A kind of modified miniature engine oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539373.XA CN107237757A (en) | 2017-07-04 | 2017-07-04 | A kind of modified miniature engine oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107237757A true CN107237757A (en) | 2017-10-10 |
Family
ID=59990411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710539373.XA Withdrawn CN107237757A (en) | 2017-07-04 | 2017-07-04 | A kind of modified miniature engine oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237757A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114003A (en) * | 2018-10-15 | 2019-01-01 | 南通中菱电力科技股份有限公司 | A kind of centrifugal removal of impurities pump |
| CN110206993A (en) * | 2019-05-28 | 2019-09-06 | 哈尔滨工业大学 | A kind of micro- redundancy lubricating structure of bearing active based on Valveless Piezoelectric Micropump |
-
2017
- 2017-07-04 CN CN201710539373.XA patent/CN107237757A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114003A (en) * | 2018-10-15 | 2019-01-01 | 南通中菱电力科技股份有限公司 | A kind of centrifugal removal of impurities pump |
| CN110206993A (en) * | 2019-05-28 | 2019-09-06 | 哈尔滨工业大学 | A kind of micro- redundancy lubricating structure of bearing active based on Valveless Piezoelectric Micropump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171010 |
|
| WW01 | Invention patent application withdrawn after publication |