CN202612025U - Waterproof electric plunger hydraulic pump - Google Patents
Waterproof electric plunger hydraulic pump Download PDFInfo
- Publication number
- CN202612025U CN202612025U CN 201220265497 CN201220265497U CN202612025U CN 202612025 U CN202612025 U CN 202612025U CN 201220265497 CN201220265497 CN 201220265497 CN 201220265497 U CN201220265497 U CN 201220265497U CN 202612025 U CN202612025 U CN 202612025U
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- CN
- China
- Prior art keywords
- assembly
- flange plate
- hydraulic pump
- radial plunger
- plunger pump
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- Expired - Fee Related
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Abstract
The utility model discloses a waterproof electric plunger hydraulic pump, which comprises a motor assembly, a radial plunger pump assembly and an oil tank assembly, wherein the motor assembly comprises a motor end cover, a motor shell, a stator and a flange plate; the motor end cover is sleeved at one end of the motor shell, and an O-shaped sealing ring A is nested in a cover body of the motor end cover; the flange plate is sleeved at the other end of the motor shell, and an O-shaped sealing ring B is nested in a plate body of the flange plate; the radial plunger pump assembly is fixedly connected to the other end face of the flange plate, and an O-shaped sealing ring C is nested in the contact face of the radial plunger pump assembly and the flange plate; and the oil tank assembly is fixedly connected to the other end face of the radial plunger pump assembly, and an O-shaped sealing ring D is nested in the contact face of the oil tank assembly and the flange plate. By using the sealing rings, the sealing performance of the hydraulic pump is high, so that the whole hydraulic pump reaches a perfect waterproof level, the hydraulic pump works stably and reliably, the service life of the hydraulic pump is greatly prolonged, and the market competitiveness of enterprises is promoted.
Description
Technical field
The utility model relates to a kind of power post piston hydraulic pump, and particularly a kind of waterproof power post piston hydraulic pump belongs to the oil hydraulic pump technical field.
Background technique
Oil hydraulic pump is a kind of hydraulic element that pressurized liquid is provided for hydraulic transmission, is a kind of of pump.Its function is the pressure ability that converts the mechanical energy of power engine (like motor and internal-combustion engine etc.) to liquid.Electric hydraulic pump does not have water-proof function at present, and inside is easy to corrosion, has had a strong impact on the working stability and the reliability of electric hydraulic pump, the working life of seriously having reduced electric hydraulic pump.
Summary of the invention
In view of this, the purpose of the utility model is exactly that a kind of waterproof power post piston hydraulic pump is provided for the deficiency that addresses the above problem.
The utility model the technological scheme that will deal with problems following:
A kind of waterproof power post piston hydraulic pump; Comprise motor assembly, radial plunger pump assembly and fuel tank assembly; Said motor assembly comprises electric motor end cap, electric machine casing, stator and flange plate; It is characterized in that: said electric motor end cap is sheathed on an end of electric machine casing, on the lid between electric motor end cap and the electric machine casing shell wall, is nested with O RunddichtringO A; Said flange plate is sheathed on the other end of said electric machine casing, on the disk body between flange plate and the electric machine casing shell wall, is nested with O RunddichtringO B; Said radial plunger pump assembly is fixedly connected in the other end of flange plate, on the surface of contact of radial plunger pump assembly and flange plate, is embedded with O RunddichtringO C; Said fuel tank assembly is fixedly connected in the other end of radial plunger pump assembly, on fuel tank assembly and flange plate surface of contact, is embedded with O RunddichtringO D.
Said flange plate and fuel tank assembly are that screw is passed through at radial plunger pump assembly periphery in the center with radial plunger pump housing assembly.
The beneficial effect of the utility model is following:
Compared with prior art; Adopt a kind of waterproof power post piston hydraulic pump of the utility model structure,, make the product hermeticity can be higher because of between electric motor end cap and electric machine casing, electric machine casing and flange plate, flange plate and radial plunger pump assembly, radial plunger pump assembly and fuel tank, adding the O RunddichtringO; Thereby impel whole oil hydraulic pump to reach perfect waterproof rank; Make hydraulic pump works more reliable and more stable, and prolonged the working life of oil hydraulic pump greatly, and be beneficial to the lifting of market competitiveness of enterprises.
Description of drawings:
Fig. 1 is the generalized section of a kind of waterproof power post of the utility model piston hydraulic pump.
Among the figure: 1, cable; 2, pressing plate; 3, electric motor end cap; 4, O RunddichtringO A; 5, electric machine casing; 6, stator; 7, screw rod; 8, bearing; 9, O RunddichtringO B; 10, flange plate; 11, radial plunger pump assembly; 12, oil through; 13, oil pocket; 14, one-way valve; 15, fuel tank assembly; 16, one way pressure-reducing valve; 17, spring; 18, decompression pin; 19, axle is used jump ring; 20, bearing; 21, left axle head; 22, rotor; 23, right axle head; 24, screw; 25, O RunddichtringO C; 26, oil through; 27, oil pocket; 28, O RunddichtringO D; 29, one-way valve; 30, plunger.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further detailed elaboration.
Said a kind of waterproof power post piston hydraulic pump; Comprise motor assembly, radial plunger pump assembly 11 and fuel tank assembly 15; Said motor assembly comprises electric motor end cap 3, electric machine casing 5, stator 6 and flange plate 10; Electric motor end cap 3 is provided with cable 1, one pressing plate 2 and is pressed on the sealing block on the cable 1, and is fixed on the end face of electric motor end cap 3.Be provided with bearing 20 in the neutral position of electric motor end cap 3; The left axle head 21 of rotor 22 is inserted in the bearing 20; And fix with jump ring with axle, make that the realization activity connects between rotor 22 and the electric motor end cap 3, be provided with stator 6 at electric machine casing 5 internal fixation; Said electric motor end cap 3 is sheathed on an end of electric machine casing 5, on the lid between electric motor end cap 3 and electric machine casing 5 shell walls, is nested with O RunddichtringO A4; Said flange plate 10 is sheathed on the other end of said electric machine casing 5; On the disk body between flange plate 10 and electric machine casing 5 shell walls, be nested with O RunddichtringO B9; Between the right axle head 23 of rotor 22 and flange plate 10, use bearing 8 realization activities to connect, and use screw rod 7 electric motor end cap 3 and flange plate 10 to be fixedly connected on the two ends of electric machine casing 5.
Said radial plunger pump assembly 11 is fixedly connected in the other end of flange plate 10; On the surface of contact of radial plunger pump assembly 11 and flange plate 10, be embedded with O RunddichtringO C25, said radial plunger pump assembly 11 is provided with oil through 12, oil pocket 13, one-way valve 14, oil through 26, oil pocket 27, one-way valve 29 and plunger 30; Said fuel tank assembly 15 is fixedly connected in the other end of radial plunger pump assembly 12; On fuel tank assembly 15 and flange plate 10 surface of contact, be embedded with O RunddichtringO D28; Fuel tank assembly 15 is provided with one way pressure-reducing valve 16, and one way pressure-reducing valve 16 is provided with spring 17 and decompression pin 18.
Said flange plate 10 and fuel tank assembly 15 are that the center is fixing through screw 24 at radial plunger pump assembly 11 peripheries with radial plunger pump housing assembly 11.
In use, after the energized; Waterproof machine is started working, and right axle head 23 drives plunger 30 rotations, when plunger 30 rotates to several angle; Compressed the space of oil pocket 13; Pressure in the oil pocket 13 is raise, and this moment, one-way valve 14 was in closed condition, and the oil that oil pocket is 13 li will be discharged from oil through 12 under the effect that is under pressure; Simultaneously, the space in the oil pocket 27 increases, and is in negative pressure state in the oil pocket, helps from oil through 26 oil returns in oil pocket 27;
When driven by motor plunger 30 continued to rotate to several angle, the oil of getting back in the oil pocket 27 was under pressure, and when pressure is elevated to certain limit, then backs down one-way valve 29; The oil of 27 li of oil pockets is flow in the fuel tank assembly 15; Simultaneously, the space in the oil pocket 13 increases, and is in negative pressure state in the oil pocket; This moment, one-way valve 14 was opened, and the oil that fuel tank assembly is 15 li then flow in the oil pocket 13 ... So periodic duty can realize the function of the continuous pump oil of waterproof type electric hydraulic pump;
When the pressure of fuel tank assembly 15 become greater to a certain degree will be with decompression pin 18 jack-up; This moment, fuel tank assembly 15 interior air can be emitted a part in one way pressure-reducing valve 16; Pressure in fuel tank assembly 15 is reduced to one regularly, and decompression pin 18 seals fuel tank under the tension force of spring 17 once more.
It below only is the preferred embodiments of the utility model; Should be understood that; To those skilled in the art; On the basis that does not break away from the utility model basic principle, can also make the improvement and the retouching of adaptation, these improvement and retouching should drop within the protection domain of the utility model.
Claims (2)
1. waterproof power post piston hydraulic pump; Comprise motor assembly, radial plunger pump assembly and fuel tank assembly; Said motor assembly comprises electric motor end cap, electric machine casing, stator and flange plate; It is characterized in that: said electric motor end cap is sheathed on an end of electric machine casing, on the lid between electric motor end cap and the electric machine casing shell wall, is nested with O RunddichtringO A; Said flange plate is sheathed on the other end of said electric machine casing, on the disk body between flange plate and the electric machine casing shell wall, is nested with O RunddichtringO B; Said radial plunger pump assembly is fixedly connected in the other end of flange plate, on the surface of contact of radial plunger pump assembly and flange plate, is embedded with O RunddichtringO C; Said fuel tank assembly is fixedly connected in the other end of radial plunger pump assembly, on fuel tank assembly and flange plate surface of contact, is embedded with O RunddichtringO D.
2. a kind of waterproof power post piston hydraulic pump according to claim 1 is characterized in that: said flange plate and fuel tank assembly are that screw is passed through at radial plunger pump assembly periphery in the center with radial plunger pump housing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220265497 CN202612025U (en) | 2012-05-25 | 2012-05-25 | Waterproof electric plunger hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220265497 CN202612025U (en) | 2012-05-25 | 2012-05-25 | Waterproof electric plunger hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612025U true CN202612025U (en) | 2012-12-19 |
Family
ID=47345731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220265497 Expired - Fee Related CN202612025U (en) | 2012-05-25 | 2012-05-25 | Waterproof electric plunger hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401893A (en) * | 2016-11-09 | 2017-02-15 | 中国航空工业集团公司北京长城航空测控技术研究所 | Minitype oil detection metering pump |
-
2012
- 2012-05-25 CN CN 201220265497 patent/CN202612025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401893A (en) * | 2016-11-09 | 2017-02-15 | 中国航空工业集团公司北京长城航空测控技术研究所 | Minitype oil detection metering pump |
| CN106401893B (en) * | 2016-11-09 | 2018-07-31 | 中国航空工业集团公司北京长城航空测控技术研究所 | A kind of miniature oil liquid detection metering pump |
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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: 20121219 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |