CN204189376U - Oil spout retracting device in a kind of electric-control motor teaching system - Google Patents
Oil spout retracting device in a kind of electric-control motor teaching system Download PDFInfo
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- CN204189376U CN204189376U CN201420618789.2U CN201420618789U CN204189376U CN 204189376 U CN204189376 U CN 204189376U CN 201420618789 U CN201420618789 U CN 201420618789U CN 204189376 U CN204189376 U CN 204189376U
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- glass tube
- oil
- electric
- control motor
- retracting device
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Abstract
The utility model discloses the oil spout retracting device in a kind of electric-control motor teaching system; Technical matters to be solved is: for the shortcoming in electric-control motor teaching system oil spout recovery method of the prior art.The technical scheme adopted: oil spout retracting device, comprises mounting base; Be arranged on the common rail support being no less than on mounting base top; The common rail oil pipe be connected with common rail support, common rail oil pipe is provided with oil inlet pipe, scavenge pipe and the oil outlet of at least one, oil outlet is between oil inlet pipe and scavenge pipe; The fuel injector be connected with each oil outlet; The glass tube be connected with fuel injector; The glass tube bearing be connected with glass tube; To be connected with glass tube bearing and the glass tube being fixed on mounting base bottom props up seat support; Be connected with glass tube bearing and the needle valve be connected with glass tube.Advantage: the utility model does not have engine mechanical part to work, the work noise just without engine disturbs, and is conducive to the judgement of electric control element working condition; There is no the consumption of fuel oil equally, there is no the pollution of tail gas, more economically environmental protection.
Description
Technical field
The utility model relates to the oil spout retracting device in a kind of electric-control motor teaching system.
Background technology
Electric-control motor teaching system chooses prototype based on a electric-control motor, by sensor, electronic control part, ECU and meter displaying device link up, realize the simulation operation of electronic engine control, the course of work of demonstration engine electric-controlled system, particularly can observe engine injection process intuitively, high speed oil-break process, the working condition of spark plug, the course of work of the executive components such as throttle body, some for engine working sensor states can also be changed, the change of executive component is detected with Decoder and oscillograph, the control strategy of checking control unit of engine.
Existing electric-control motor teaching system oil spout recovery method and relative merits thereof; In order to realize reclaiming function in gasoline course of injection, there is following several mode:
1, use the disposable needle tubing of plastics, inserted by fuel injector in needle tubing, needle tubing reversal of the natural order of things suspension, fuel injector sprays to be injected in needle tubing by oil burning jet, and needle position takes back oil pipe, by fuel delivery oil return box.Such design cost is very low, economical and practical, but because plastics needle tubing is easily by gasoline corrosion, after use a period of time, needle tubing change is smudgy, now observes the smudgy of fuel injector fuel injection condition change.The impact being also subject to needle tubing quality serviceable life uses needle tubing not to be very attractive in appearance simultaneously.
2, adopt the square box of an acrylic, lower end has spill port, can according to the spacing between different engine fuel injector during installation, perforate on acrylic square box, install fuel injector again, fuel oil sprays in square box by fuel injector, flows back to fuel tank by the spill port fuel oil of lower end.Being designed beautifully like this is generous, and cost is low, and due to acrylic material, service time has been grown, and acrylic, easily by gasoline corrosion, affects the observing effect of fuel injector fuel injection condition.
3, adopt glass manufacture vessel according to the spacing between certain engine fuel injector and fuel injector size, glass material is anticorrosive, and this vessel entirety manufactures good seal performance.This kind of oil spout retracting device needs mold manufacture, and die cost is higher, and be applicable in enormous quantities manufacture, the single-piece production cycle grows up to this height.
Utility model content
Technical problem to be solved in the utility model is: for the shortcoming in electric-control motor teaching system oil spout recovery method of the prior art.
Design philosophy of the present utility model is, does not have engine mechanical part to work in electric-control motor teaching system, and the work noise just without engine disturbs, and is conducive to the judgement of electric control element working condition; There is no the consumption of fuel oil equally, there is no the pollution of tail gas, more economically environmental protection.Gasoline is accepted by oil spout retracting device within the system, is flowing back in fuel tank, realize iterative cycles use, must accomplish transparent, sealing, anti-gasoline corrosion.
The purpose of this utility model is to provide the oil spout retracting device in a kind of electric-control motor teaching system, and the work noise without engine disturbs, and is conducive to the judgement of electric control element working condition; There is no the consumption of fuel oil equally, there is no the pollution of tail gas, more economically environmental protection, meet transparent, sealing, the corrosion design requirement of vapour oil.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
An oil spout retracting device in electric-control motor teaching system, comprises
Mounting base;
Be arranged on the common rail support being no less than on mounting base top;
The common rail oil pipe be connected with common rail support, described common rail oil pipe is provided with oil inlet pipe, scavenge pipe and the oil outlet of at least one, described oil outlet is between oil inlet pipe and scavenge pipe;
The fuel injector be connected with oil outlet;
The glass tube be tightly connected with fuel injector; The oil spout port of described fuel injector stretches in the upper port of glass tube, and the sidewall of described glass tube upper port has bleeder vent, and described bleeder vent is positioned at the top of oil spout port;
The glass tube bearing be tightly connected with glass tube lower port; Described glass tube bearing is installed on glass tube and props up on seat support, and the distance that the top of described glass tube bearing and glass tube prop up between seat support is adjustable, and described glass tube props up seat support and is fixed on mounting base bottom;
Be connected and the needle valve be connected with glass tube with glass tube bearing lower end flowline; The output terminal of described needle valve is connected with fuel tank by oil pipe.
Further improvement, also comprises fuel pressure regulator; Described fuel pressure regulator is arranged on common rail oil pipe, and between common rail oil pipe and scavenge pipe.Its effect of fuel pressure regulator that the utility model is arranged is, effectively ensure that the stable of the fuel pressure in electric control engine system in oil piping system.
Further improvement, is provided with O RunddichtringO between the lower port of described glass tube and glass tube bearing.The O RunddichtringO that the utility model is arranged ensure that the sealing between glass tube and glass tube bearing effectively, prevents gasoline from leaking and pollutes.
Further improvement, is provided with O-ring seal between the oil spout port of described fuel injector and the upper port of glass tube.
Further improvement, glass tube bearing is connected by screw thread pair with between mounting base.Glass tube bearing in the utility model is connected by screw thread pair with between mounting base, its effect is, by the height between screw thread adjustable glass pipe support and mounting base, thus can O RunddichtringO between pressed glass pipe and glass tube bearing, realize the sealing between metallic glass pipe support and glass tube.
Further improvement, described needle valve is angle-style needle valve.
Further improvement, described glass tube is quartz glass tube.
Further improvement, the quantity of described oil outlet is four.
Further improvement, described distance often between adjacent two oil outlets is equal.
Compared with prior art, its beneficial effect is the utility model:
The utility model does not have engine mechanical part to work, and the work noise just without engine disturbs, and is conducive to the judgement of electric control element working condition; There is no the consumption of fuel oil equally, there is no the pollution of tail gas, more economically environmental protection.
Gasoline is accepted by the oil spout retracting device in the utility model, then flows back in fuel tank, realizes iterative cycles and uses; The utility model adopts glass tube, accomplishes transparent, sealing, anti-gasoline corrosion.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model one preferred embodiment.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is that glass tube props up seat support, annexation schematic diagram between glass tube and glass tube bearing.
Wherein, 1 is mounting base, and 2 is fuel pressure regulator, 3 is common rail support, and 4 is scavenge pipe, and 5 is common rail pipeline, 6 is oil inlet pipe, and 7 is fuel injector, and 8 is glass tube, 9 is glass tube bearing, and 10 is the first annulus, and 11 prop up seat support for glass tube, 12 is needle valve, and 13 is set bolt, and 14 is the second annulus, 15 is oil outlet, and 16 is O RunddichtringO.
Embodiment
Below technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
For making content of the present utility model more become apparent, be further described below in conjunction with accompanying drawing 1-Fig. 3 and embodiment.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
The present embodiment is further elaborated for four oil outlets, 15, four glass tubes, 8, four fuel injectors, 7, four glass tube bearings, 9, four needle valves 12 and two common rail supports 3.
Oil spout retracting device in electric-control motor teaching system in the present embodiment, comprises mounting base 1, two common rail supports 3, and common rail oil pipe 5, four fuel injectors 7, four glass tubes 8, four glass tube bearings 9, glass tube props up seat support 11 and four needle valves 1.
Two common rail supports 3 are all fixedly installed on mounting base 1 top; Common rail oil pipe 5 is connected with common rail support 3 simultaneously; Common rail oil pipe 5 is provided with oil inlet pipe 6, scavenge pipe 4 and four oil outlets 15, oil outlet 15 is between oil inlet pipe 6 and scavenge pipe 4.Distance often between adjacent two oil outlets 15 is equal.
Four fuel injectors 7 are connected with four oil outlets 15 respectively; Four glass tubes 8 are connected with four fuel injectors 7 respectively; The oil spout port of fuel injector 7 stretches in the upper port of glass tube 8, and the sidewall of glass tube 8 upper port has bleeder vent, and bleeder vent is positioned at the top of oil spout port.In the present embodiment, in order to deaeration, the sidewall of glass tube 8 upper port has the bleeder vent that diameter is 0.5mm.In time needle valve 1 being closed detection fuel injector oil spout homogeneity, if the sealing of glass tube 8 cavity, fluid upper end air pressure increases, and destruction is sealed, has exhaust bleeder vent, and when liquid level rises, air is got rid of from bleeder vent.
Four glass tube bearings 9 seal with four glass tubes 8 respectively and are connected; Glass tube bearing 9 is installed on glass tube and props up on seat support 11, and the distance that the top of glass tube bearing 9 and glass tube prop up between seat support 11 is adjustable, and glass tube props up seat support 11 and is fixed on mounting base (1) bottom.O RunddichtringO is provided with between glass tube 8 and glass tube bearing 9.The O RunddichtringO arranged ensure that the sealing between glass tube 8 and glass tube bearing 9 effectively, prevents gasoline from leaking and pollutes.
Glass tube props up seat support 11 and is connected with four glass tube bearings 9 simultaneously, and glass tube props up seat support 11 and is fixed on mounting base 1 bottom by set bolt 13; Be connected by screw thread pair between glass tube bearing 9 with mounting base 1.Be connected by screw thread pair between this glass tube bearing 9 with mounting base 1, its effect is, by the height between screw thread adjustable glass pipe support 9 and mounting base 1, thus can O RunddichtringO between pressed glass pipe 8 and glass tube bearing 9, realize the sealing between metallic glass pipe support 9 and glass tube.
Four needle valves 12 are connected with the lower end flowline of four glass tube bearings 9 respectively, and four needle valves 12 are connected with four glass tubes 8 respectively; The output terminal of four needle valves 12 is connected with fuel tank respectively by oil pipe.
Fuel pressure regulator 2 is arranged on common rail oil pipe 5, and between common rail oil pipe 5 and scavenge pipe 4.Its effect of fuel pressure regulator 2 that the present embodiment is arranged is, effectively ensure that the stable of the fuel pressure in electric control engine system in oil piping system.
Fuel pressure regulator 2 described in the present embodiment is fuel pressure regulator of the prior art, and its concrete structure and principle of work, the present embodiment is not described in detail.
Fuel injector 8 described in the present embodiment is fuel pressure regulator of the prior art, and its concrete structure and principle of work, the present embodiment is not described in detail.
Needle valve 12 described in the present embodiment is fuel pressure regulator of the prior art, and its concrete structure and principle of work, the present embodiment is not described in detail.
Manufacture and the assemble flow of the electric-control motor teaching system oil spout retracting device in the present embodiment are as described below:
1, measure spacing between fuel injector, make glass tube and prop up seat support;
Use the spacing of vernier caliper measurement fuel injector time, such as Passat ANQ engine fuel injector is equidistant, and spacing is 90mm.The angle bar of a 40*40 is 90mm according to spacing, uses CNC milling machine to process the circular hole that diameter is 25mm, process two mounting holes at another side, complete the making that glass tube props up seat support.
2, seal ring of fuel injector diameter is measured;
Use vernier caliper measurement seal ring of fuel injector, such as the external diameter of Passat ANQ engine fuel injector O-ring seal is 14.4mm.Consider the shrinkability of O-ring seal, select internal diameter to be 14mm, the quartz glass tube 8 of external diameter 18mm, wall thickness 2mm.In order to deaeration, it is the aperture of 0.5mm that a diameter is opened on the lower edge contacted with O-ring seal at quartz glass tube.In time needle-valve being closed detection fuel injector oil spout homogeneity, if cavity sealing, fluid upper end air pressure increases, and destruction is sealed, has exhaust hole, and when liquid level rises, air is got rid of from aperture.
2, according to glass tube size design glass tube bearing;
Glass tube external diameter 18mm, internal diameter 14mm.Controlling dimension in process, select screw thread to be M24, material is aluminium alloy.Make in the first annulus 10 and the second annulus 14, first annulus 10 and the second annulus 14 again and have M24 screw thread, the first annulus 10 and the second annulus 14 are sleeved on glass tube bearing 9, form an assembling part.
In addition, when reality uses, if after glass tube size changes, screw thread on glass tube bearing 9 can be revised with correspondingly-sized, just can meet the requirement of all types of fuel injector pairing.
3, the type selecting of needle valve 12;
Select angle-style needle-valve, one end is connected with glass tube bearing 9 lower end flowline by transparent oil-resistant pipe, and the other end sends fuel oil back to fuel tank by oil pipe, elegant in appearance, conceals scavenge pipe.
4, the type selecting of O RunddichtringO;
O RunddichtringO needs very strong oil-resisting type, selects the corresponding model of " O " RunddichtringO of fluororubber material.
5, be fixed according to fuel injector common rail support anchor point design switching support;
Fuel injector common rail support anchor point is bolted on motor intake manifold originally, by designing a common rail support 3, is fixed on mounting base 1 after switching.
6, teaching system oil spout retracting device assembling;
The fuel injector common rail frame of former car and fuel injector buckle are connected, 4 glass tubes are inserted also push-tight in fuel injector, O RunddichtringO is accomplished fluently the counterbore that glass tube bearing 9 put into by TB1102 fluid sealant, again glass tube bearing 9 is inserted in glass tube, screw in the first annulus 10 (being placed on the centre position of the M24 screw thread on glass tube bearing 9), next installs other fuel injector oil-collecting devices.Glass tube bearing 9 is put into the glass tube processed prop up on seat support 11, then screw in the second annulus 14.Common rail support 3 and glass tube are propped up seat support 11 be fixed on mounting base 1.Regulate glass tube bearing 9 to move upward, compress O RunddichtringO.
7, angle-style needle valve 12, scavenge pipe 4 and oil inlet pipe 6 are installed;
The oil inlet pipe 6 made in advance and scavenge pipe 4 are installed with common rail support 3; By angle-style needle valve 12 respectively correspondence be installed on glass tube bearing 9.Can test after placing adhesive curing to be sealed in 24 hours.
The performance test of the electric-control motor teaching system oil spout retracting device in the present embodiment
1, leakage test
Use and do not drive foraminate glass tube assembling oil spout retracting device, be inverted, in glass tube, inject gasoline from glass tube bearing 9 oil-out, fill rear normal pressure and place 72 hours, there is no leakage phenomenon.
2, performance test
Connection system, injection pressure is set up, fuel injection beginning work, and the fuel oil of atomization sprays in glass tube, and fuel oil flows into glass tube bearing 9 along tube wall, enters fuel tank by the backflow of angle-style needle valve.Close angle-closure needle valve, fuel injector distributive value homogeneity test can be carried out.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (9)
1. the oil spout retracting device in electric-control motor teaching system, is characterized in that: comprise
Mounting base (1);
Be arranged on the common rail support (3) being no less than on mounting base (1) top;
The common rail oil pipe (5) be connected with common rail support (3), described common rail oil pipe (5) is provided with oil inlet pipe (6), scavenge pipe (4) and the oil outlet of at least one (15), described oil outlet (15) is positioned between oil inlet pipe (6) and scavenge pipe (4);
The fuel injector (7) be connected with oil outlet (15);
The glass tube (8) be tightly connected with fuel injector (7); The oil spout port of described fuel injector (7) stretches in the upper port of glass tube (8), and the sidewall of described glass tube (8) upper port has bleeder vent, and described bleeder vent is positioned at the top of oil spout port;
The glass tube bearing (9) be tightly connected with glass tube (8) lower port; Described glass tube bearing (9) is installed on glass tube and props up on seat support (11), the distance that the top of described glass tube bearing (9) and glass tube prop up between seat support (11) is adjustable, and described glass tube props up seat support (11) and is fixed on mounting base (1) bottom;
Be connected with glass tube bearing (9) lower end flowline and the needle valve (12) be connected with glass tube (8); The output terminal of described needle valve (12) is connected with fuel tank by oil pipe.
2. the oil spout retracting device in a kind of electric-control motor teaching system as claimed in claim 1, is characterized in that, also comprise fuel pressure regulator (2); Described fuel pressure regulator (2) is arranged on common rail oil pipe (5), and is positioned between common rail oil pipe (5) and scavenge pipe (4).
3. the oil spout retracting device in electric-control motor teaching system as claimed in claim 1, is characterized in that, be provided with O RunddichtringO (16) between the lower port of described glass tube (8) and glass tube bearing (9).
4. the oil spout retracting device in electric-control motor teaching system as claimed in claim 1, is characterized in that, be provided with O-ring seal between the oil spout port of described fuel injector (7) and the upper port of glass tube (8).
5. the oil spout retracting device in electric-control motor teaching system as claimed in claim 1, it is characterized in that, described glass tube bearing (9) is connected by screw thread pair with between mounting base (1).
6. the oil spout retracting device in electric-control motor teaching system as claimed in claim 1, it is characterized in that, described needle valve (12) is angle-style needle valve.
7. the oil spout retracting device in electric-control motor teaching system as claimed in claim 1, it is characterized in that, described glass tube (8) is quartz glass tube.
8. the oil spout retracting device in electric-control motor teaching system as claimed in claim 1, it is characterized in that, the quantity of described oil outlet (15) is four.
9. the oil spout retracting device in electric-control motor teaching system as claimed in claim 8, it is characterized in that, described distance often between adjacent two oil outlets (15) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618789.2U CN204189376U (en) | 2014-10-23 | 2014-10-23 | Oil spout retracting device in a kind of electric-control motor teaching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420618789.2U CN204189376U (en) | 2014-10-23 | 2014-10-23 | Oil spout retracting device in a kind of electric-control motor teaching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189376U true CN204189376U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420618789.2U Expired - Fee Related CN204189376U (en) | 2014-10-23 | 2014-10-23 | Oil spout retracting device in a kind of electric-control motor teaching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204189376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382699A (en) * | 2022-09-20 | 2022-11-25 | 北京航空航天大学 | Fuel injector clamping and liquid conveying device |
-
2014
- 2014-10-23 CN CN201420618789.2U patent/CN204189376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382699A (en) * | 2022-09-20 | 2022-11-25 | 北京航空航天大学 | Fuel injector clamping and liquid conveying device |
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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: 20150304 Termination date: 20171023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |