CN209115995U - A kind of pair of bushing carries out the gear type oil pump of circulation lubrication - Google Patents
A kind of pair of bushing carries out the gear type oil pump of circulation lubrication Download PDFInfo
- Publication number
- CN209115995U CN209115995U CN201821985328.3U CN201821985328U CN209115995U CN 209115995 U CN209115995 U CN 209115995U CN 201821985328 U CN201821985328 U CN 201821985328U CN 209115995 U CN209115995 U CN 209115995U
- Authority
- CN
- China
- Prior art keywords
- oil
- gear
- bushing
- driven
- hole
- 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.)
- Active
Links
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model provides the gear type oil pump that a kind of pair of bushing carries out circulation lubrication, including the pump housing, pump cover, driving shaft, driving gear, driven shaft, driven gear；Driving gear is fixedly mounted on the middle part of driving shaft, and the both ends of driving shaft are installed in rotation on respectively in the axis hole of the pump housing and pump cover；Driven gear is installed in rotation on the middle part of driven shaft, one end of driven shaft is fixedly mounted on the pump housing, there are two bushings for press fitting in the axis hole of driven gear, two bushing intervals, which are arranged in the axis hole for making driven gear, forms first annular groove, and driven gear is equipped with the oil-through-hole of a radial direction in the position of corresponding first annular groove.Since driven gear is rotated around driven shaft, when oil-through-hole rotates to higher-pressure region, high pressure oil enters first annular groove by oil-through-hole, then lubrication is provided to driven shaft surface and bushing by the gap of driven shaft and bushing, when oil-through-hole rotates to low-pressure area, the high pressure oil in first annular groove is discharged to low pressure chamber by oil-through-hole.
Description
Technical field
The utility model relates to a kind of engine lubrication system component, in particular to a kind of gear type oil pump.
Background technique
Existing lubricating oil pump, it usually needs by the high pressure oil in oil outlet region by oil-way lead to axis hole and shaft it
Between be lubricated.In addition, bushing would generally be pressed in axis hole in order to avoid abrasion.For gear type oil pump, from
Moving gear is usually rotatably mounted on driven shaft, and bushing can be also pressed in the axis hole of driven gear.Due to driven tooth
Wheel is mounted in the rotor chamber of lubricating oil pump, and the oil pressure that two end faces of driven gear are subject to is equal, therefore, into bushing and axis table
Lubricating oil between face is difficult to flow out, and lubricating oil can not achieve circulation, for a long time, necessarily affects lubricant effect.
Utility model content
The technical problem to be solved by the present invention is to provide the gear type oil pumps that a kind of pair of bushing carries out circulation lubrication.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution: a kind of pair of bushing carries out circulation profit
Sliding gear type oil pump, including the pump housing, pump cover, driving shaft, driving gear, driven shaft, driven gear；The driving gear is solid
Dingan County is mounted in the middle part of the driving shaft, and the both ends of the driving shaft are installed in rotation on the axis hole of the pump housing and pump cover respectively
In；The driven gear is installed in rotation on the middle part of the driven shaft, and one end of the driven shaft is fixedly mounted on the pump housing
On, there are two bushings, two bushing intervals to be arranged in the axis hole for making driven gear and be formed for press fitting in the axis hole of the driven gear
First annular groove, the driven gear are equipped with the oil-through-hole of a radial direction in the position of corresponding first annular groove.
In above-mentioned technical proposal, since driven gear is rotated around driven shaft, when oil-through-hole rotates to higher-pressure region, high pressure oil
Enter first annular groove by oil-through-hole, then provides profit to driven shaft surface and bushing by the gap of driven shaft and bushing
Sliding, when oil-through-hole rotates to low-pressure area, the high pressure oil in first annular groove discharges low pressure chamber further through oil-through-hole,
It recycles repeatedly, utilizes an oil-through-hole, the alternately oil inlet and oil extraction during rotation, to realize lubricating oil
Circulation.
Further, oil guide groove is equipped on two end faces of the driven gear.It can thus make parts of lubricating oil logical
The gap that oil guide groove enters driven shaft and bushing is crossed, bilateral oil inlet lubricating is formed, fills bushing and the lubrication on driven shaft surface more
Point.
Preferably, the outer openings of the oil-through-hole are arranged at the tooth root of driven gear.
Detailed description of the invention
Fig. 1 is the lubricating oil pump external structure schematic diagram in the utility model embodiment；
Fig. 2 is that the lubricating oil pump in Fig. 1 dismantles the structural schematic diagram after pump cover；
Fig. 3 is the schematic cross-sectional view of line A-A in Fig. 1；
Fig. 4 is the schematic cross-sectional view of line B-B in Fig. 1；
Appended drawing reference are as follows:
1 --- the pump housing 2 --- pump cover 3 --- driving shaft
4 --- driving gear 5 --- driven shaft 6 --- driven gears
7 --- transmission gear 8 --- bushing 9 --- second annular grooves
10 --- inclined oil hole of air 11 --- first annular groove 12 --- oil-through-holes
13 --- oil guide groove.
Specific embodiment
For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further
Explanation, the content that embodiment refers to not is restriction to the utility model.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.In the utility model
Description in, the meaning of " plurality " is two or more, unless otherwise specifically defined.In retouching for the utility model
In stating, it should be noted that unless otherwise specified and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, mechanical connection or electrical connection be can be, the connection being also possible to inside two elements can be directly connected, and can also lead to
It crosses intermediary to be indirectly connected, for the ordinary skill in the art, can understand the term as the case may be
Concrete meaning.
As shown in Figures 1 to 4, the preferred embodiment of the utility model is: a kind of pair of bushing carries out the gear type of circulation lubrication
Lubricating oil pump, including the pump housing 1, pump cover 2, driving shaft 3, driving gear 4, driven shaft 5, driven gear 6, transmission gear 7；Driving gear
4 are fixedly mounted on the middle part of driving shaft 3, and the both ends of driving shaft 3 are installed in rotation on respectively in the axis hole of the pump housing 1 and pump cover 2；
Driven gear 6 is installed in rotation on the middle part of driven shaft 5, and one end of driven shaft 5 is fixedly mounted in an interference fit
On the pump housing 1；There are two bushings 8, two interval of bushing 8 settings to make in the axis hole of driven gear 6 for press fitting in the axis hole of driven gear 6
First annular groove 11 is formed, driven gear 6 is equipped with the oil-through-hole 12 of a radial direction in the position of corresponding first annular groove 11,
The outer openings of the oil-through-hole 12 are arranged at the tooth root of driven gear 6.Since driven gear 6 is rotated around driven shaft 5, when logical
When oilhole 12 rotates to higher-pressure region, high pressure oil enters first annular groove 11 by oil-through-hole 12, then passes through driven shaft 5 and lining
The gap of set 8 provides lubrication, when oil-through-hole 12 rotates to low-pressure area, first annular groove 11 to 5 surface of driven shaft and bushing 8
Interior high pressure oil discharges low pressure chamber further through oil-through-hole 12, recycles repeatedly, using an oil-through-hole, in rotation
Alternately oil inlet and oil extraction in the process.
As shown in Fig. 2, being equipped with oil guide groove 13 on two end faces of driven gear 6.It can thus make parts of lubricating oil logical
The gap that oil guide groove 13 enters driven shaft 6 and bushing is crossed, bilateral oil inlet lubricating is formed, makes the lubrication of bushing Yu 6 surface of driven shaft
More sufficiently.
As shown in Figure 3,4, it is pressed with bushing 8 in the axis hole of the pump housing 1 and pump cover 2, is pressed in the axis hole of middle pump body 1
Two bushings 8, two interval of bushing 8 settings make to form second annular groove 9 in the axis hole of the pump housing 1, are additionally provided with one on the pump housing 1
For being connected to the inclined oil hole of air 10 of second annular groove 9 and high-voltage oil cavity.Can thus lubricating oil be made to be directly entered in axis hole
Portion, fast lubricant bushing 8 and 3 surface of driving shaft, and the sufficient lubricating oil of outside side offer is provided and is lubricated.
Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides
Formula realizes that any obvious replacement is in the protection model of the utility model under the premise of not departing from the technical program design
Within enclosing.
In order to allow those of ordinary skill in the art more easily understand the improvement of the utility model compared with the existing technology it
Place, some attached drawings of the utility model and description have been simplified, and for the sake of clarity, present specification is omitted one
A little other elements, the element that those of ordinary skill in the art should be aware that these are omitted also may make up the interior of the utility model
Hold.
Claims (3)
1. a kind of pair of bushing carries out the gear type oil pump of circulation lubrication, including the pump housing (1), pump cover (2), driving shaft (3), active
Gear (4), driven shaft (5), driven gear (6)；The driving gear (4) is fixedly mounted on the middle part of the driving shaft (3), institute
The both ends for stating driving shaft (3) are installed in rotation on respectively in the axis hole of the pump housing (1) and pump cover (2)；The driven gear (6) can
It is rotatably mounted at the middle part of the driven shaft (5), one end of the driven shaft (5) is fixedly mounted on the pump housing (1), feature
Be: there are two bushing (8), two bushing (8) interval settings to make driven gear for press fitting in the axis hole of the driven gear (6)
(6) first annular groove (11) are formed in axis hole, the driven gear (6) sets in the position of corresponding first annular groove (11)
There is the oil-through-hole (12) of a radial direction.
2. the gear type oil pump according to claim 1 for carrying out circulation lubrication to bushing, it is characterised in that: described driven
Oil guide groove (13) are equipped on two end faces of gear (6).
3. the gear type oil pump according to claim 1 or 2 for carrying out circulation lubrication to bushing, it is characterised in that: described
The outer openings of oil-through-hole (12) are arranged at the tooth root of driven gear (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821985328.3U CN209115995U (en) | 2018-11-29 | 2018-11-29 | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821985328.3U CN209115995U (en) | 2018-11-29 | 2018-11-29 | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115995U true CN209115995U (en) | 2019-07-16 |
Family
ID=67207107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821985328.3U Active CN209115995U (en) | 2018-11-29 | 2018-11-29 | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268664A (en) * | 2018-11-29 | 2019-01-25 | 湖南机油泵股份有限公司 | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication |
-
2018
- 2018-11-29 CN CN201821985328.3U patent/CN209115995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268664A (en) * | 2018-11-29 | 2019-01-25 | 湖南机油泵股份有限公司 | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108869022B (en) | Power takeoff | |
| CN204402869U (en) | For the cooling oil pump of wet clutch | |
| US2998783A (en) | Pressure-balanced gear pump | |
| CN209115995U (en) | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication | |
| CN110529425A (en) | A kind of lubrication system for high revolving speed centrifugal pump | |
| CN209115996U (en) | A kind of gear type oil pump for capableing of fast lubricant bushing | |
| CN109578467B (en) | Hydraulic retarder | |
| CN214577618U (en) | Crankshaft, variable frequency compressor and refrigeration equipment | |
| CN109268664A (en) | A kind of pair of bushing carries out the gear type oil pump of circulation lubrication | |
| CN203189999U (en) | Oil pump | |
| CN211145241U (en) | Cycloidal pin gear speed reducer with oil dynamic lubrication and cooling | |
| CN109237285A (en) | A kind of gear type oil pump for capableing of fast lubricant bushing | |
| CN217602913U (en) | Pump device and vehicle | |
| CN208719808U (en) | A kind of rotor-type oil pump that can improve cavitation erosion | |
| CN209511562U (en) | A kind of rotor-type oil pump of remodeling | |
| CN209370812U (en) | A kind of gear type oil pump and rotor-type oil pump being avoided that end wear | |
| CN208719807U (en) | A kind of rotor-type oil pump that can balance end face oil pressure | |
| CN109373166A (en) | A gear type oil pump and a rotor type oil pump that can avoid end face wear | |
| CN208901053U (en) | A kind of rotor-type oil pump can be reduced abrasion | |
| CN207364244U (en) | A kind of power takeoff being lubricated using helicoidal pump, gearbox or Retarder | |
| CN109931488A (en) | A kind of lubricating oil pump being avoided that inordinate wear | |
| CN208845696U (en) | A kind of transmission oil pump being avoided that eccentric wear | |
| CN201891601U (en) | Internal meshing gear oil pump | |
| CN209458121U (en) | Turn the pump body structure of the cylinder piston compressor and turns the cylinder piston compressor | |
| CN107359746B (en) | Oil-cooled motor for compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.69 Beizheng street, Chengguan Town, Hengdong County, Hengyang City, Hunan Province Patentee after: Hunan Meihu Intelligent Manufacturing Co.,Ltd. Country or region after: China Address before: No.69 Beizheng street, Chengguan Town, Hengdong County, Hengyang City, Hunan Province Patentee before: Hunan Oil Pump Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |