CN208919680U - A kind of pump case of lubricating oil pump - Google Patents
A kind of pump case of lubricating oil pump Download PDFInfo
- Publication number
- CN208919680U CN208919680U CN201821626972.1U CN201821626972U CN208919680U CN 208919680 U CN208919680 U CN 208919680U CN 201821626972 U CN201821626972 U CN 201821626972U CN 208919680 U CN208919680 U CN 208919680U
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- CN
- China
- Prior art keywords
- groove
- lubricating oil
- storage tank
- oil pump
- pump case
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- 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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- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model provides a kind of pump case of lubricating oil pump, belongs to machine oil pump technical field.It solve the pump case internal rotor of existing lubricating oil pump work long hours rotate when, there is the problem of abrasion will be such that inner rotor radial shakes in gear.The pump case of this lubricating oil pump includes ontology, there is the circular groove for being rotatablely connected rotor block on the inner wall of ontology, the medium position of the slot bottom of circular groove has the round inserting groove of the armature spindle for axially mounted rotor block, the slot bottom of circular groove is additionally provided with oil storage tank, and oil storage tank is connected with the round inserting groove.The design of the utility model structure is simple, reasonable, avoids rotor block appearance radial direction from shaking, stuck, long service life.
Description
Technical field
The utility model belongs to machine oil pump technical field, is related to a kind of pump case 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.
Such as Chinese patent Patent No.: a kind of lubricating oil pump as described in " 201420030809.4 ", specific structure are as follows: a machine
Shell, inside be formed with one first grease chamber, one second grease chamber and a compression chamber between the first grease chamber and the second grease chamber,
Casing internal also has the back oil road of first grease chamber of connection and the adjusting grease chamber of second grease chamber of connection, adjusts grease chamber one end
It is formed with an opening in casing outer surface, casing internal is adjusting grease chamber adjacent to one end of the second grease chamber equipped with an at least oil return
Hole, casing internal are additionally provided with an assembly room, and assembly room is connected to the second grease chamber and adjusts grease chamber, and oil return hole connection adjusts grease chamber and returns
Oil duct, the casing are respectively formed with axial corresponding axis hole on the two sidewalls of compression chamber, and the side wall of casing is equipped with a connection
The oil outlet for entering oilhole and second grease chamber of connection of first grease chamber；One internal rotor, has a mesoporous, and mesoporous corresponds to casing
The axis hole of two sides, the periphery of the internal rotor are formed with a teeth portion, and the outer diameter of internal rotor is less than the aperture of the gear grooved of outer rotor, interior
Rotor set is located in the gear grooved of outer rotor, and teeth portion a part of internal rotor is meshed with the gear grooved of outer rotor.
In such a configuration, it is provided with the axis hole of installation rotor block on the inner wall of the casing, has on the internal rotor
Hole, which is threaded through in mesoporous by pin shaft and is installed in axis hole, and the end of the pin shaft is flushed with axis hole bottom hole, should
Structure internal rotor work long hours rotate when, gear occur abrasion inner rotor radial will be made to shake, cause when serious in turn
Son shakes stuck, and service life is short, there are also in such a configuration, does not have oil storage tank in the axis hole, internal rotor and axis hole it
Between serious wear.
Summary of the invention
The purpose of this utility model is that it is simple, no to provide a kind of structure for the above-mentioned problems in the prior art
It will lead to armature spindle radially to shake, the pump case of lubricating oil pump with long service life.
The purpose of this utility model can be realized by the following technical scheme: a kind of pump case of lubricating oil pump, including ontology,
There is the circular groove for being rotatablely connected rotor block, which is characterized in that the circular groove on the inner wall of the ontology
Slot bottom medium position have for axially mounted rotor block armature spindle round inserting groove, the slot of the circular groove
Bottom is additionally provided with oil storage tank, and the oil storage tank is connected with the round inserting groove.
Medium position of the pump case of this lubricating oil pump mainly in circular groove is additionally provided with round inserting groove, which inserts
Access slot is used for the armature spindle of axially mounted rotor block, avoids rotor block from occurring radial shaking in rotation, eventually leads to rotor block
It is radial stuck；It is additionally provided with oil storage tank in the slot bottom of circular groove, glossy lubricating oil is stored in the oil storage tank, is rotor block in circle
Rotation provides lubrication in groove, and the rotor block is made to rotate long service life in circular groove.
In a kind of pump case of above-mentioned lubricating oil pump, the oil storage tank is in crescent shape and the crescent shape of the oil storage tank
The medium position at inner arc edge offers the oily channel being connected with round inserting groove.The purpose being arranged in this way is that oil storage tank is made to exist
It is more with rotor block contact area in actual use, it lubricates more abundant.
In a kind of pump case of above-mentioned lubricating oil pump, the groove depth of the oil storage tank is lower than the round inserting groove
Groove depth.The purpose being arranged in this way is to make to flow in round inserting groove convenient for the oil liquid in oil storage tank.
In a kind of pump case of above-mentioned lubricating oil pump, sinking step groove is also intervally distributed on the inner wall of the ontology
One, sinking step groove two, the sinking step groove one, sinking step groove two are all connected with the circular groove.
In a kind of pump case of above-mentioned lubricating oil pump, the edge of the ontology be additionally provided with join end to end to be formed it is close
The edge groove in region is sealed, the sinking step groove one, sinking step groove two and circular groove three are in the close of edge groove
It seals in region.The purpose being arranged in this way is to seal sinking step groove one, sinking step groove two and three three of circular groove
In chamber, guarantee the validity of three's sealing.
In a kind of pump case of above-mentioned lubricating oil pump, several connections are distributed in the outer peripheral ontology of edge groove
Hole, limiting slot.The purpose being arranged in this way is for connecting with engine.
Compared with prior art, the advantages of the pump case of this lubricating oil pump are as follows: structure design is simple, reasonable, avoids rotor block
Occur it is radial shake, stuck, long service life, setting oil storage tank make rotor block at work can sufficient lubrication, lubricant effect compared with
It is good, stable structure.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the pump case of this lubricating oil pump.
In figure, 1, ontology；2, circular groove；3, round inserting groove；4, oil storage tank；5, oily channel；6, sinking step groove one；
7, sinking step groove two；8, edge groove；9, connecting hole；10, limiting slot.
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.
As shown in Figure 1, the pump case of this lubricating oil pump is mainly made of ontology 1, have on the inner wall of ontology 1 for the company of rotation
Switch through the circular groove 2 of daughter, the medium position of the slot bottom of circular groove 2 has the armature spindle for axially mounted rotor block
Round inserting groove 3, the slot bottom of circular groove 2 are additionally provided with oil storage tank 4, and oil storage tank 4 is connected with the round inserting groove 3.
In actually manufacture, the specific structure of the oil storage tank 4 are as follows: the oil storage tank 4 is in crescent shape and the crescent moon of the oil storage tank 4
The medium position at the inner arc edge of shape offers the oily channel 5 being connected with round inserting groove 3.
In actual design, the groove depth of the oil storage tank 4 is lower than the groove depth of the round inserting groove 3.
In actually manufacture, it is also intervally distributed with sinking step groove 1, sinking step groove 27 on the inner wall of the ontology 1,
The sinking step groove 1, sinking step groove 27 are all connected with the circular groove 2；The edge of ontology 1 is also set
It is equipped with and joins end to end to form the edge groove 8 of sealing area, the sinking step groove 1, sinking step groove 27 and circular groove
2 threes are in the sealing area of edge groove 8.
For the ease of installing with engine, several connecting holes 9, limit are distributed in the outer peripheral ontology 1 of edge groove 8
Slot 10.
Medium position of the pump case of this lubricating oil pump mainly in circular groove 2 is additionally provided with round inserting groove 3, the circle
Inserting groove 3 is used for the armature spindle of axially mounted rotor block, avoids rotor block from occurring radial shaking in rotation, eventually leads to rotor
Body is radially stuck；It is additionally provided with oil storage tank 4 in the slot bottom of circular groove 2, stores glossy lubricating oil in the oil storage tank 4, is rotor block
Rotation provides lubrication in circular groove 2, and the rotor block is made to rotate long service life in circular groove 2.
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 pump case of lubricating oil pump, including ontology (1), has on the inner wall of the ontology (1) and turn for being rotatablely connected
The circular groove (2) of daughter, which is characterized in that the medium position of the slot bottom of the circular groove (2) has pacifies for axial
The round inserting groove (3) of the armature spindle of cartridge rotor body, the slot bottom of the circular groove (2) is additionally provided with oil storage tank (4), described
Oil storage tank (4) be connected with the round inserting groove (3).
2. a kind of pump case of lubricating oil pump according to claim 1, which is characterized in that the oil storage tank (4) is in crescent moon
It is logical that the medium position at the inner arc edge of the crescent shape of shape and the oil storage tank (4) offers the oil being connected with round inserting groove (3)
Road (5).
3. a kind of pump case of lubricating oil pump according to claim 2, which is characterized in that the groove depth of the oil storage tank (4)
Degree is lower than the groove depth of the round inserting groove (3).
4. a kind of pump case of lubricating oil pump according to claim 1 or 2 or 3, which is characterized in that the ontology (1)
Sinking step groove one (6), sinking step groove two (7) are also intervally distributed on inner wall, the sinking step groove one (6) sinks
Step groove two (7) is all connected with the circular groove (2).
5. a kind of pump case of lubricating oil pump according to claim 4, which is characterized in that the edge of the ontology (1)
It is additionally provided with and joins end to end to form the edge groove (8) of sealing area, the sinking step groove one (6), sinking step groove two (7)
It is in the sealing area of edge groove (8) with circular groove (2) three.
6. a kind of pump case of lubricating oil pump according to claim 5, which is characterized in that outer peripheral in edge groove (8)
Several connecting holes (9), limiting slot (10) are distributed in ontology (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626972.1U CN208919680U (en) | 2018-10-08 | 2018-10-08 | A kind of pump case of lubricating oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821626972.1U CN208919680U (en) | 2018-10-08 | 2018-10-08 | A kind of pump case of lubricating oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919680U true CN208919680U (en) | 2019-05-31 |
Family
ID=66708475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821626972.1U Expired - Fee Related CN208919680U (en) | 2018-10-08 | 2018-10-08 | A kind of pump case of lubricating oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919680U (en) |
-
2018
- 2018-10-08 CN CN201821626972.1U patent/CN208919680U/en not_active Expired - Fee Related
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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: 20190531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |