CN203978836U - A kind of vacuum pump for high-pressure common rail direct injection diesel engine - Google Patents
A kind of vacuum pump for high-pressure common rail direct injection diesel engine Download PDFInfo
- Publication number
- CN203978836U CN203978836U CN201420273387.3U CN201420273387U CN203978836U CN 203978836 U CN203978836 U CN 203978836U CN 201420273387 U CN201420273387 U CN 201420273387U CN 203978836 U CN203978836 U CN 203978836U
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- China
- Prior art keywords
- plastics
- pump
- rotary vane
- main shaft
- housing
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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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 10
- 239000007924 injection Substances 0.000 title claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 35
- 229920003023 plastic Polymers 0.000 claims abstract description 35
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 239000004411 aluminium Substances 0.000 abstract description 3
- 238000004512 die casting Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model provides a kind of vacuum pump for high-pressure common rail direct injection diesel engine, comprise: plastics blade head, plastics rotary vane, main shaft, pump case housing, fixed base, described pump case housing is arranged on fixed base, fixed base one side is provided with one-way valve, pump case housing, fixed base surrounding is provided with fixed hole, pump case hull outside is provided with housing outer, housing outer forms pump chamber, pump chamber middle part is provided with axis hole, main shaft is installed in axis hole, plastics rotary vane is installed in main shaft oil groove, plastics rotary vane two ends are provided with groove, plastics blade head is arranged in the groove at plastics rotary vane two ends, plastics rotary vane both sides are provided with filler opening, filler opening is ellipsoidal structure.The utility model is simple in structure, easy to use, the pump housing adopts the manufacture of integrated type die casting aluminium, and cost-saving accuracy of manufacturing is high, adopts the pump housing vacuum chamber excellent performance of Pascal's vortex filament design than large 30% left and right of motor vacuum pump discharge capacity that adopts most diametal curve linear design.
Description
Technical field
The utility model relates to field of vacuum, is specially a kind of vacuum pump for high-pressure common rail direct injection diesel engine.
Background technique
Vacuum pump is a kind of rotating volume-varying gas transfer pump, vacuum pump must have fore pump to coordinate to use and in wider pressure range, have larger pumping speed, to being extracted, in gas, contain dust and water vapor is insensitive, be widely used in the industries such as metallurgy, chemical industry, food, electronics plated film.
Vacuum pump comprises dry screw vacuum pump, water ring pump, reciprocating pump, slide valve pump, sliding vane rotary pump, Roots pump and diffusion pump etc., and these pumps are requisite main force pump kinds in Chinese national economy every profession and trade application vacuum technology process.In recent years, being accompanied by China's economy grows continuously and fast, the relevant downstream application industry of vacuum pump keeps the rapid growth impetus, and simultaneously in vacuum pump application field constantly under jointly the pulling of the factor such as expansions, China's vacuum pump industry has realized sustainedly and stably and having developed fast.
Along with the development of diesel engine for automobile, car load is more and more higher to the degree of vacuum demand of vacuum source, and after conventional generator shaft, direct-connected vacuum pump can not meet the demands, and this has also impelled the birth of the direct-connected vacuum pump of series of new engine cam.
Model utility content
The technical problem that the utility model solves is to provide a kind of vacuum pump for high-pressure common rail direct injection diesel engine, to solve the problem proposing in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions: a kind of vacuum pump for high-pressure common rail direct injection diesel engine, comprise: plastics blade head, plastics rotary vane, main shaft, pump case housing, fixed base, described pump case housing is arranged on fixed base, fixed base one side is provided with one-way valve, pump case housing, fixed base surrounding is provided with fixed hole, pump case hull outside is provided with housing outer, housing outer forms pump chamber, pump chamber middle part is provided with axis hole, main shaft is installed in axis hole, described main shaft comprises spindle nose, footstalk, spindle nose, footstalk is one-body molded, in spindle nose, offer main shaft oil groove, plastics rotary vane is installed in main shaft oil groove, plastics rotary vane two ends are provided with groove, plastics blade head is arranged in the groove at plastics rotary vane two ends, plastics rotary vane both sides are provided with filler opening, filler opening is ellipsoidal structure.
Described groove is arc-shaped structure or rectangular configuration.
Described plastics blade head is T-shaped structure, and plastics blade head outer end is arc-shaped structure
Compared with prior art, the beneficial effects of the utility model are: the utility model is simple in structure, easy to use, the pump housing adopts the manufacture of integrated type die casting aluminium, cost-saving accuracy of manufacturing is high, adopts the pump housing vacuum chamber excellent performance of Pascal's vortex filament design than large 30% left and right of motor vacuum pump discharge capacity that adopts most diametal curve linear design.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is plastics rotary vane structural representation of the present utility model.
Fig. 3 is main shaft structure schematic diagram of the present utility model.
Fig. 4 is use view of the present utility model.
Embodiment
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figures 1 to 3, a kind of vacuum pump for high-pressure common rail direct injection diesel engine, comprise: plastics blade head 3, plastics rotary vane 2, main shaft 4, pump case housing 8, fixed base 9, described pump case housing 8 is arranged on fixed base 9, fixed base 9 one sides are provided with one-way valve 1, pump case housing 8, fixed base 9 surroundings are provided with fixed hole 10, pump case housing 8 outsides are provided with housing outer, housing outer forms pump chamber 11, pump chamber 11 middle parts are provided with axis hole, main shaft 4 is installed in axis hole, described main shaft 4 comprises spindle nose 12, footstalk 13, spindle nose 12, footstalk 13 is one-body molded, in spindle nose 12, offer main shaft oil groove 7, plastics rotary vane 2 is installed in main shaft oil groove 7, plastics rotary vane 2 two ends are provided with groove 6, plastics blade head 31 is arranged in the groove 6 at plastics rotary vane 2 two ends, plastics rotary vane 2 both sides are provided with filler opening 5, filler opening 5 is ellipsoidal structure.
Described groove 6 is arc-shaped structure or rectangular configuration.
Described plastics blade head 3 is T-shaped structure, and plastics blade head 3 outer ends are arc-shaped structure.
The utility model pump case shell air inlet is opened in radial direction, air outlet is in end face direction, the connection of rotor shaft drive end by slide blocks be connected camshaft, one-way valve and pump case housing adopt bolt to fix, and the cross connecting groove that rotor shaft drive end end face can arrange different size as required coordinates the camshaft of different size.
As shown in Figure 4, while installing and using, end face is aimed at engine cylinder cover, says that the middle connecting shaft slide block of camshaft and rotor shaft is to good, and end face is close to engine cylinder cover and is aimed at positioning bolt hole.Tightening fixing bolt is in place.Subsequently, vacuum tube being aimed to one-way valve is in place and can uses.
During work, camshaft rotates by direct-connected mode rotor driven axle, and the engine motor oil that vacuum pump provides by the oilhole of opening on cylinder cap is lubricated.
The utility model is simple in structure, easy to use, the pump housing adopts the manufacture of integrated type die casting aluminium, and cost-saving accuracy of manufacturing is high, adopts the pump housing vacuum chamber excellent performance of Pascal's vortex filament design than large 30% left and right of motor vacuum pump discharge capacity that adopts most diametal curve linear design.In the situation that engine speed is identical, the pumping speed of pump is faster than the rear-mounted vacuum pump of conventional electric generators.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the vacuum pump for high-pressure common rail direct injection diesel engine, comprise: plastics blade head, plastics rotary vane, main shaft, pump case housing, fixed base, it is characterized in that: described pump case housing is arranged on fixed base, fixed base one side is provided with one-way valve, pump case housing, fixed base surrounding is provided with fixed hole, pump case hull outside is provided with housing outer, housing outer forms pump chamber, pump chamber middle part is provided with axis hole, main shaft is installed in axis hole, described main shaft comprises spindle nose, footstalk, spindle nose, footstalk is one-body molded, in spindle nose, offer main shaft oil groove, plastics rotary vane is installed in main shaft oil groove, plastics rotary vane two ends are provided with groove, plastics blade head is arranged in the groove at plastics rotary vane two ends, plastics rotary vane both sides are provided with filler opening, filler opening is ellipsoidal structure.
2. a kind of vacuum pump for high-pressure common rail direct injection diesel engine according to claim 1, is characterized in that: described groove is arc-shaped structure or rectangular configuration.
3. a kind of vacuum pump for high-pressure common rail direct injection diesel engine according to claim 1, is characterized in that: described plastics blade head is T-shaped structure, and plastics blade head outer end is arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273387.3U CN203978836U (en) | 2014-05-19 | 2014-05-19 | A kind of vacuum pump for high-pressure common rail direct injection diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420273387.3U CN203978836U (en) | 2014-05-19 | 2014-05-19 | A kind of vacuum pump for high-pressure common rail direct injection diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978836U true CN203978836U (en) | 2014-12-03 |
Family
ID=51976288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420273387.3U Expired - Fee Related CN203978836U (en) | 2014-05-19 | 2014-05-19 | A kind of vacuum pump for high-pressure common rail direct injection diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003439A (en) * | 2015-07-24 | 2015-10-28 | 裕克施乐塑料制品（太仓）有限公司 | Vacuum pump blade with insert and production technology thereof |
-
2014
- 2014-05-19 CN CN201420273387.3U patent/CN203978836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003439A (en) * | 2015-07-24 | 2015-10-28 | 裕克施乐塑料制品（太仓）有限公司 | Vacuum pump blade with insert and production technology thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20160519 |