CN208918617U - A kind of flow regulator of lubricating oil pump - Google Patents
A kind of flow regulator of lubricating oil pump Download PDFInfo
- Publication number
- CN208918617U CN208918617U CN201821626941.6U CN201821626941U CN208918617U CN 208918617 U CN208918617 U CN 208918617U CN 201821626941 U CN201821626941 U CN 201821626941U CN 208918617 U CN208918617 U CN 208918617U
- Authority
- CN
- China
- Prior art keywords
- regulating tank
- lubricating oil
- oil pump
- interconnecting piece
- stator
- 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.)
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Abstract
The utility model provides a kind of flow regulator of lubricating oil pump, belongs to machine oil pump technical field.It solves the problems, such as that existing lubricating oil pump oil inlet oil mass is not adjustable.The flow regulator of this lubricating oil pump includes that the pump housing and setting are pumping intracorporal stator, there is radially-arranged regulating tank on the inner wall of the pump housing, have on the outer wall of stator and extends radially outwardly to form the interconnecting piece of U-shaped, stator is radially slided by the interconnecting piece to be connected in the regulating tank, adjustment spring is provided between the interconnecting piece of stator and the regulating tank of the pump housing, one end resilient abutment of the adjustment spring is in the U-shaped of the interconnecting piece on the inner wall of recess, the other end of adjustment spring is by spring support resilient abutment in regulating tank and the spring support is installed on regulating tank slot bottom.The utility model structure is simple, by the way that adjustment spring can radial elastic be adjusted on the pump housing to stator, can make rotor and stator stable operation.
Description
Technical field
The utility model belongs to machine oil pump technical field, is related to a kind of flow regulator of lubricating oil pump.
Background technique
Critical component of the lubricating oil pump as engine lubrication system guarantees to provide enough pressure, flow for lubricating system
Machine oil, to guarantee that each friction part of engine is adequately lubricated.To simplify structure and mitigating weight, partially start
The lubricating oil pump filled on machine is the rotor-type oil pump being installed inside engine front end shield, using engine front end shield as the pump housing, pump
Lid connect cooperation with the pump housing, forms oil suction chamber and oil outlet chamber；Outer rotor and internal rotor, the gear ratio of outer rotor are installed in the pump housing
The more teeth of internal rotor, and there is offset distance at the center of internal rotor and outer rotor, thus rotate inner and outer rotors asynchronously in the same direction,
Difference in volume is formed, to realize pump oil.
In lubricating oil pump operating, there is gaps between internal rotor and outer rotor, when lubricating oil pump high speed rotation, outer rotor meeting
Horizontal displacement is generated, to prevent inner and outer rotors from being bonded well, influences the stationarity of lubricating oil pump operating, and can generate larger
Noise.
For above-mentioned this case, occur a kind of lubricating oil pump on existing market, such as Chinese patent Patent No.:
A kind of lubricating oil pump described in " 201420164715.6 ", specific structure are as follows: including the pump housing, pump cover, outer rotor, internal rotor, let out
Pressure valve, the pump housing is interior to be equipped with oil suction chamber and oil outlet chamber, and outer rotor is mounted in the rotor hole of the pump housing, and internal rotor is sleeved on outer rotor hole
Interior, there is offset distance at the center of outer rotor and internal rotor, and the gear ratio internal rotor of outer rotor is one more, and internal rotor and driving axis connection are simultaneously
It is rotated under the drive of drive shaft, outer rotor makees equidirectional differential rotation under the action of internal rotor with internal rotor；Rotor hole exists
Oil outlet chamber side offers rotor condition retention groove, and height of the rotor hole in the oil inlet side of rotor condition retention groove is lower, is formed
Oil inlet.
In such a configuration, it is not provided with rotor elastic buffering mechanism in the rotor condition retention groove, the rotor condition
Only the oil inlet quantity pressure of outer rotor keeps external rotor radial to adjust to retention groove relatively, is adjustable oil inlet oil mass not, works as oil inlet
When mouthful oil inlet quantity pressure is unstable, the outer rotor can also radial-play, cause outer rotor stuck with the pump housing, service life is short.
Summary of the invention
The purpose of this utility model is to provide that a kind of structure is simple, energy for the above-mentioned problems in the prior art
Make the flow regulator of rotor and the lubricating oil pump of stator stable operation.
The purpose of this utility model can be realized by the following technical scheme: a kind of flow regulator of lubricating oil pump, packet
It includes the pump housing and setting and is pumping intracorporal stator, there is radially-arranged regulating tank, the stator on the inner wall of the pump housing
Outer wall on have extend radially outwardly to form the interconnecting piece of U-shaped, the stator is radially slided by the interconnecting piece
It is connected in the regulating tank, which is characterized in that tune is provided between the interconnecting piece of the stator and the regulating tank of the pump housing
Spring is saved, one end resilient abutment of the adjustment spring is in the U-shaped of the interconnecting piece on the inner wall of recess, the adjusting
The other end of spring is by spring support resilient abutment in the regulating tank and the spring support is installed in regulating tank slot bottom
On.
Adjustment spring is mainly arranged in the flow regulator of this lubricating oil pump in regulating tank, the elastic reaction of the adjustment spring
The adjustable oil inlet quantity that can control fuel feed hole, can make rotor and stator stable operation, long service life.
In a kind of flow regulator of above-mentioned lubricating oil pump, the spring support includes in regulating tank slot bottom
Connecting plate one, the middle part outwardly convex of the connecting plate one, which is formed, columnar wears portion one, the head for wearing portion one
The connection of edge arc transition, the other end of the adjustment spring are set in described wear in portion one and resilient abutment is described
Connecting plate one inner plate surface on.The purpose being arranged in this way is to determine that adjustment spring is adjusted axially direction by wearing portion one,
It adjusts the axial elasticity of adjustment spring steady, prevents stator radial-play on the pump housing.
In a kind of flow regulator of above-mentioned lubricating oil pump, the top for wearing portion one has through-hole and this is worn
If the overall diameter in portion one is slightly less than the interior diameter of the adjustment spring.The purpose being arranged in this way facilitates the axial peace of adjustment spring
Dress.
As another structure, in a kind of flow regulator of above-mentioned lubricating oil pump, the spring support includes
Connecting plate two in regulating tank slot bottom, the middle part outwardly convex of the connecting plate two formed it is columnar wear portion two, it is described
Wear portion two head edge arc transition connection and this wear portion two top have perforating, described wears in portion two
Fixation is equipped with positioning column and the positioning column is stretched out from perforating, is additionally provided with described in capable of being connected on the connecting plate two
Interconnecting piece U-shaped place and be in the block-like positioning seat of bar shaped, there is looping pit, described wears at portion two in the positioning seat
In looping pit middle position and between looping pit hole wall formed adjustment spring limiting slot.The purpose being arranged in this way is to guarantee
Adjustment spring be adjusted axially it is rectangular do not deviated, it is accurate to be adjusted axially direction.
In a kind of flow regulator of above-mentioned lubricating oil pump, the width of the positioning seat is slightly less than the connection
The width and the positioning seat at the U-shaped place in portion and the U-shaped place guiding of the interconnecting piece are slidably connected.The purpose side of being being arranged in this way
Just it installs.
In a kind of flow regulator of above-mentioned lubricating oil pump, the connecting plate two and the positioning seat are connected and are
Integral structure.The purpose being arranged in this way is to guarantee the validity of the mechanical strength of the two.
Compared with prior art, the advantages of the flow regulator of this lubricating oil pump are as follows: structure is simple, can by adjustment spring
It, can be with by the flexible adjustment of the oil inlet quantity pressure relative adjustment spring of fuel feed hole with to stator, radial elastic is adjusted on the pump housing
The oil inlet quantity for controlling fuel feed hole, can make rotor and stator stable operation.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the flow regulator of this lubricating oil pump.
Fig. 2 is the schematic cross-sectional view of spring support in the flow regulator of this lubricating oil pump.
Fig. 3 is schematic cross-sectional view of the spring support in embodiment 2 in the flow regulator of this lubricating oil pump.
Fig. 4 is schematic perspective view of the spring support in embodiment 2 in the flow regulator of this lubricating oil pump.
In figure, 1, the pump housing；2, stator；3, regulating tank；4, interconnecting piece；5, adjustment spring；6, connecting plate one；7, portion is worn
One；8, connecting plate two；9, portion two is worn；10, positioning column；11, positioning seat；12, looping pit.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As depicted in figs. 1 and 2, the flow regulator of this lubricating oil pump is mainly determined by the pump housing 1 and being arranged in the pump housing 1
Son 2 forms, and has radially-arranged regulating tank 3 on the inner wall of the pump housing 1, has on the outer wall of stator 2 and extend radially outwardly to form U
The interconnecting piece 4 of font, stator 2 is radially slided by the interconnecting piece 4 to be connected in the regulating tank 3, the connection of stator 2
It is provided with adjustment spring 5 between portion 4 and the regulating tank 3 of the pump housing 1, one end resilient abutment of the adjustment spring 5 is in the connection
In the U-shaped in portion 4 on the inner wall of recess, the other end of adjustment spring 5 is by spring support resilient abutment in the regulating tank 3
The interior and spring support is installed on 3 slot bottom of regulating tank.
In actually manufacture, which is mainly made of the connecting plate 1 in 3 slot bottom of regulating tank, connecting plate 1
Middle part outwardly convex formed it is columnar wear portion 1, wear portion 1 head edge arc transition connection, adjustment spring 5
The other end is set in described wear in portion 1 and resilient abutment is on the inner plate surface of the connecting plate 1；Wear portion 1
Top the interior diameter that there is through-hole and the overall diameter for wearing portion 1 to be slightly less than the adjustment spring 5.
Embodiment two
As shown in Figure 3 and Figure 4, the present embodiment two is basically the same as the first embodiment, and the difference is that: spring support master
It will be by be formed in the connecting plate 28 of 3 slot bottom of regulating tank, the middle part outwardly convex of connecting plate 28, which is formed, columnar wears portion two
9, it wears the head edge arc transition connection in portion 29 and the top for wearing portion 29 has perforating, wear solid in portion 29
Surely it is equipped with positioning column 10 and the positioning column 10 is stretched out from perforating, be additionally provided on connecting plate 28 described in capable of being connected to
The U-shaped place of interconnecting piece 4 and be in the block-like positioning seat 11 of bar shaped, has looping pit 12 in positioning seat 11, wears portion 29 and be in annular
The middle position in hole 12 and the limiting slot that adjustment spring 5 is formed between 12 hole wall of looping pit.
In actually manufacture, the width of the positioning seat 11 is slightly less than the width at the U-shaped place of the interconnecting piece 4 and the positioning
Seat 11 and the U-shaped place guiding of the interconnecting piece 4 are slidably connected；Connecting plate 28 and the positioning seat 11 are fixed with one knot
Structure.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of flow regulator of lubricating oil pump, including the pump housing (1) and the stator (2) being arranged in the pump housing (1), the pump
There are radially-arranged regulating tank (3) on the inner wall of body (1), there is the shape that extends radially outwardly on the outer wall of the stator (2)
At the interconnecting piece (4) of U-shaped, the stator (2) is radially slided by the interconnecting piece (4) is connected to the regulating tank
(3) in, which is characterized in that be provided with adjusting between the interconnecting piece (4) of the stator (2) and the regulating tank (3) of the pump housing (1)
Spring (5), one end resilient abutment of the adjustment spring (5) is in the U-shaped of the interconnecting piece (4) on the inner wall of recess, institute
In the regulating tank (3), the interior and spring support is solid by spring support resilient abutment for the other end for the adjustment spring (5) stated
It is located on regulating tank (3) slot bottom.
2. a kind of flow regulator of lubricating oil pump according to claim 1, which is characterized in that the spring support packet
The connecting plate one (6) in regulating tank (3) slot bottom is included, the middle part outwardly convex of the connecting plate one (6) forms columnar wear
If portion one (7), the head edge arc transition connection for wearing portion one (7), another end cap of the adjustment spring (5)
It is located at described wearing in portion one (7) and resilient abutment is on the inner plate surface of the connecting plate one (6).
3. a kind of flow regulator of lubricating oil pump according to claim 2, which is characterized in that described wears portion one
(7) top is with through-hole and the overall diameter for wearing portion one (7) is slightly less than the interior diameter of the adjustment spring (5).
4. a kind of flow regulator of lubricating oil pump according to claim 1, which is characterized in that the spring support packet
The connecting plate two (8) in regulating tank (3) slot bottom is included, the middle part outwardly convex of the connecting plate two (8) forms columnar wear
If portion two (9), the described head edge arc transition connection for wearing portion two (9) and the top for wearing portion two (9), which have, is worn
Apertured, fixation is equipped with positioning column (10) in portion two (9) and the positioning column (10) is stretched out from perforating for described wearing, described
Connecting plate two (8) on be additionally provided with the U-shaped place that can be connected to the interconnecting piece (4) and in the block-like positioning seat of bar shaped
(11), there are looping pit (12) in the positioning seat (11), the interposition for wearing portion two (9) and being in looping pit (12)
Set and formed between looping pit (12) hole wall the limiting slot of adjustment spring (5).
5. a kind of flow regulator of lubricating oil pump according to claim 4, which is characterized in that the positioning seat (11)
Width be slightly less than the interconnecting piece (4) U-shaped place width and the positioning seat (11) and the interconnecting piece (4) it is U-shaped
Place's guiding is slidably connected.
6. a kind of flow regulator of lubricating oil pump according to claim 5, which is characterized in that the connecting plate two
(8) it is fixed with one structure with the positioning seat (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626941.6U CN208918617U (en) | 2018-10-08 | 2018-10-08 | A kind of flow regulator of lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626941.6U CN208918617U (en) | 2018-10-08 | 2018-10-08 | A kind of flow regulator of lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918617U true CN208918617U (en) | 2019-05-31 |
Family
ID=66708474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821626941.6U Expired - Fee Related CN208918617U (en) | 2018-10-08 | 2018-10-08 | A kind of flow regulator of lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630890A (en) * | 2019-10-11 | 2019-12-31 | 朱席 | Automobile engine oil pump shell |
-
2018
- 2018-10-08 CN CN201821626941.6U patent/CN208918617U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630890A (en) * | 2019-10-11 | 2019-12-31 | 朱席 | Automobile engine oil pump shell |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190531 |