CN203441742U - Gear oil pump preventing backflow - Google Patents
Gear oil pump preventing backflow Download PDFInfo
- Publication number
- CN203441742U CN203441742U CN201320480361.1U CN201320480361U CN203441742U CN 203441742 U CN203441742 U CN 203441742U CN 201320480361 U CN201320480361 U CN 201320480361U CN 203441742 U CN203441742 U CN 203441742U
- Authority
- CN
- China
- Prior art keywords
- oil
- gear
- pump
- driving
- cavity
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The utility model discloses a gear oil pump preventing backflow. The gear oil pump comprises a pump casing, wherein a driving gear and a driven gear are arranged in the pump casing; the driving gear and the driven gear are mutually and movably meshed; the diameter of the driving gear and the driven gear which are mutually meshed is equal to the height of the cavity of the pump casing in the vertical direction; the mutually meshed driving gear and driven gear divide the cavity of the pump casing into an oil sucking cavity and an oil discharging cavity; an oil inlet is formed in one side of the pump casing, which is connected with the oil sucking cavity; the oil inlet is communicated with the oil sucking cavity; an oil outlet is formed in the other side of the pump casing, which is connected with the oil discharging cavity; the oil outlet is communicated with the oil discharging cavity; a driving shaft and a driven shaft are respectively embedded in the middle of the driving gear and the middle of the driven gear; the driving shaft penetrates through the pump casing and is connected with a coupling; the driving shaft is connected with a driving device through the coupling; the driving device is connected with a power supply; a backflow preventing device is arranged at the oil inlet end of the gear oil pump, so as to prevent oil in the gear oil pump from flowing back to an oil tank, and ensure that the gear oil pump is not idled and not severely worn.
Description
Technical field
The utility model relates to a kind of gear oil pump, relates in particular to a kind of gear oil pump of anti-back flow.
Background technique
In large scale industry is produced, especially in oiling, absolute oil, in the industrial production of a large amount of delivering oils such as oil strain, gear oil pump is as conventional necessary equipment, be applicable to chemical fertilizer factory, oil refinery, oil pressing factory, power plant, power station, electric substation (chamber), lubricated oil depot, Condenser Factory, Paint Factory, grain department Deng Ge industrial and mining enterprise are as carrying turbine oil, transformer oil, aero oil, machinery oil, diesel oil, the conveying of the liquid fluid such as edible oils, the force feed medium temperature of fluid is below 60 ℃, below Engler viscosity 100E, and be non-corrosiveness heavy oil, middle oil, industry light oil, edible oil and other similar fluid.But be suitable for, do not carry unclean oils and lubricity and corrosive medium, the existing oil pump volume using in industry is larger, performance less stable, have certain potential safety hazard, and noise is far away higher than NBS, and in the interlude of using, may affect due to the height of installing the flow direction of fluid, reduce the working efficiency of gear oil pump, make the gear idle running of gear oil pump, make gear wear serious.
Summary of the invention
The utility model provides a kind of gear oil pump of anti-back flow, and object is to solve prior art problem, provides a kind of volume little, lightweight, stable performance, and noise is low and can prevent the gear oil pump that fluid flows backwards.
The utility model technological scheme adopting of dealing with problems is:
A kind of gear oil pump of anti-back flow, there is pump case, it is characterized in that: in described pump case, be provided with driving gear and driven gear, the mutual activity of driving gear and driven gear is connected with a joggle, diameter after driving gear and driven gear engagement equals the height in pump case inner chamber Vertical direction, driving gear after engagement and driven gear are divided into oil sucting cavity and oil-discharging cavity by pump case inner chamber, pump case one side being connected with oil sucting cavity is provided with filler opening, filler opening and oil sucting cavity UNICOM, pump case one side being connected with oil-discharging cavity is provided with oil outlet, oil outlet and oil-discharging cavity UNICOM, the centre of driving gear and driven gear is arranged with respectively driving shaft and driven axle, driving shaft is connected with coupling through pump case, driving shaft is by coupling connecting drive device, drive unit connects power supply, described filler opening end is provided with anti-backflow device.
Described anti-backflow device is hinged at filler opening end.
The beneficial effects of the utility model: the utility model is simple in structure, volume is little, lightweight, stable performance when in use, safety coefficient is higher, and maintenance expense is cheap, simultaneously because oil-feed oral area is provided with anti-backflow device, can prevent the fluid refluence oil sump tank in gear oil pump, not cause gear oil pump idle running serious wear.
Accompanying drawing explanation
Fig. 1 is sectional structure chart of the present utility model;
Fig. 2 is fundamental diagram of the present utility model.
In figure: 1, pump case; 2, driving gear; 3, driven gear; 4, oil sucting cavity; 5, oil-discharging cavity; 6, filler opening; 7, oil outlet; 8, driving shaft; 9, driven axle; 10, coupling; 11, drive unit; 12, anti-backflow device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, the gear oil pump of a kind of anti-back flow shown in Fig. 2, there is pump case 1, in described pump case 1, be provided with driving gear 2 and driven gear 3, driving gear 2 is connected with a joggle with the mutual activity of driven gear 3, diameter after driving gear 2 meshes with driven gear 3 equals the height in pump case 1 inner chamber Vertical direction, driving gear 2 after engagement and driven gear 3 are divided into oil sucting cavity 4 and oil-discharging cavity 5 by pump case 1 inner chamber, pump case 1 one sides that are connected with oil sucting cavity 4 are provided with filler opening 6, filler opening 6 and oil sucting cavity 4 UNICOMs, pump case 1 one sides that are connected with oil-discharging cavity 5 are provided with oil outlet 7, oil outlet 7 and oil-discharging cavity 5 UNICOMs, the centre of driving gear 2 and driven gear 3 is arranged with respectively driving shaft 8 and driven axle 9, driving shaft 8 is connected with coupling 10 through pump case 1, driving shaft 8 is by coupling 10 connecting drive devices 11, drive unit 11 connects power supply (not shown), described filler opening 6 ends are provided with anti-backflow device 12, anti-backflow device 12 is hinged at filler opening 6 ends, the utility model is simple in structure, volume is little, lightweight, stable performance when in use, safety coefficient is higher, maintenance expense is cheap, simultaneously because filler opening 6 places are provided with anti-backflow device 12, can prevent the fluid refluence oil sump tank in gear oil pump, do not cause gear oil pump idle running serious wear.
In the time of gear oil pump work, fluid flows in filler opening 6 by oil transport pipeline, the fluid entering in filler opening 6 can only flow in oil sucting cavity 4 owing to being provided with anti-backflow device 12, simultaneously, drive unit 11 drives driving gear 2 to rotate, driving gear 2 drives driven gear 3 rotations that are engaged with, driving gear 2 with the engaging tooth of driven gear 3 when oil sucting cavity is separated gradually, the gear teeth of driving gear 2 exit from the between cog of the gear of driven gear 3, make between cog form vacuum, oil is taken to oil-discharging cavity 5 from oil sucting cavity 4, gear constantly rotates, oil in the between cog that the gear teeth mesh one by one is just successively forced out, under the effect of external load, form oil pressure, continuous rotation along with gear, oil pump is constantly oil suction and oil extraction just.
Claims (2)
1. the gear oil pump of an anti-back flow, there is pump case, it is characterized in that: in described pump case, be provided with driving gear and driven gear, the mutual activity of driving gear and driven gear is connected with a joggle, diameter after driving gear and driven gear engagement equals the height in pump case inner chamber Vertical direction, driving gear after engagement and driven gear are divided into oil sucting cavity and oil-discharging cavity by pump case inner chamber, pump case one side being connected with oil sucting cavity is provided with filler opening, filler opening and oil sucting cavity UNICOM, pump case one side being connected with oil-discharging cavity is provided with oil outlet, oil outlet and oil-discharging cavity UNICOM, the centre of driving gear and driven gear is arranged with respectively driving shaft and driven axle, driving shaft is connected with coupling through pump case, driving shaft is by coupling connecting drive device, drive unit connects power supply, described filler opening end is provided with anti-backflow device.
2. a kind of gear oil pump of anti-back flow as claimed in claim 1, is characterized in that: described anti-backflow device is hinged at filler opening end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480361.1U CN203441742U (en) | 2013-08-08 | 2013-08-08 | Gear oil pump preventing backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320480361.1U CN203441742U (en) | 2013-08-08 | 2013-08-08 | Gear oil pump preventing backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441742U true CN203441742U (en) | 2014-02-19 |
Family
ID=50092801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320480361.1U Expired - Fee Related CN203441742U (en) | 2013-08-08 | 2013-08-08 | Gear oil pump preventing backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441742U (en) |
-
2013
- 2013-08-08 CN CN201320480361.1U patent/CN203441742U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204003439U (en) | The two screw pump of helical blade line with rubber on a kind of pump shaft | |
| CN104214324B (en) | For the automatic lubricating device of gears meshing | |
| CN203743370U (en) | Simple gear engagement lubricating device | |
| CN204755866U (en) | Lubricating system of double split flow speed reducer | |
| CN203441742U (en) | Gear oil pump preventing backflow | |
| CN104728104A (en) | Gear oil pump with filter device | |
| CN201057349Y (en) | Passive self-lubricator | |
| CN209189653U (en) | A kind of veneer reeling machine outer drive gears lubricating arrangement | |
| CN203516088U (en) | Gear oil pump | |
| CN203441747U (en) | Gear oil pump with pressure pump | |
| CN202926607U (en) | Heavy oil conveying device | |
| CN203655629U (en) | Gear oil pump with filtering device | |
| CN205173935U (en) | Liquid self feeding mechanism | |
| CN204041442U (en) | A kind of cycloid hydraulic-pressure pump | |
| CN204208876U (en) | A kind of transit type cleaning machine with effluent oil recovery device | |
| CN201493058U (en) | Automatic liquid preparing device of emulsified liquid | |
| CN203770998U (en) | Reciprocating-impact type mining machine lubrication system | |
| CN205064291U (en) | Digital frequency conversion engine water pump assembly intelligent control device | |
| CN202158332U (en) | Novel electric lubrication pump | |
| CN202545779U (en) | Bearing lubricating device for gear reducer of slurry pump | |
| CN205172528U (en) | Beam -pumping unit drive arrangement | |
| CN204961291U (en) | Bearing device takes cam rotor pump of force -feed lubrication mechanism | |
| CN202370894U (en) | Clean water pump transformed from old impeller | |
| CN204083173U (en) | For the automatic lubricator of gears meshing | |
| CN203925984U (en) | A kind of three-plunger reciprocating Pumpp with reduction gears mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150808 |
|
| EXPY | Termination of patent right or utility model |