CN205654474U - Portable electric fuel injector detects instrument - Google Patents
Portable electric fuel injector detects instrument Download PDFInfo
- Publication number
- CN205654474U CN205654474U CN201620320839.8U CN201620320839U CN205654474U CN 205654474 U CN205654474 U CN 205654474U CN 201620320839 U CN201620320839 U CN 201620320839U CN 205654474 U CN205654474 U CN 205654474U
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- oil gun
- oil
- pin bushing
- guide pin
- 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
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model discloses a portable electric fuel injector detects instrument, including sprayer test fixture anchor clamps and circuit control unit, sprayer test fixture anchor clamps include that sprayer cutting ferrule, oil gun guide pin bushing, high -pressure oil gun, lock nut, high pressure fuel pipe, oil return connect and the oil spout connects, are equipped with the jack on the sprayer cutting ferrule, just oily passageway is led to jack inner wall intercommunication, and high -pressure oil gun is installed in the oil gun guide pin bushing, and high -pressure oil gun passes through lock nut and fixes mutually with the oil gun guide pin bushing, the oil gun guide pin bushing is fixed in leading oily passageway, and just high -pressure oil gun extends to and leads oily passageway inboard, the utility model discloses can judge a fault type in that the trouble scene is quick, accurate, save censorship time and expense, also avoid the economic loss that the trouble erroneous judgement brought.
Description
Technical field
This utility model relates to engine detection equipment, specifically a kind of Portable electric-control fuel injector detection instrument.
Background technology
When the problems such as power dropping, over-emitting black exhaust or oil consumption exception occurs in diesel engine, fuel injector breaks down caused often,
The method of traditional detection fuel injector is disconnected cylinder, pound pressure, the most directly changes.Along with the progressively upgrading of Abgasgesetz, diesel oil
The core component of electromotor, is the most all switched to electronic control injection system from solid injection system, and its value accounts for whole electromotor
About the 20% of price.The recoverable amount of automobile and engineering machinery increases year by year, and the fault of electric-controlled fuel injector the most gradually increases, by
Being not used in positive injector in work structuring and principle, traditional method is the most applicable, and domestic various places distributor or service station lack
Rare effect investigation means, can only rely on the professional testing stand of locality to detect, sometimes for avoiding producing high testing cost,
Directly change many or the fuel injector of the whole series.In actual use, the failure mode of electric-controlled fuel injector is not quite similar, without row
Look into and just change, it is easy to causing trouble erroneous judgement and the wasting of resources, add up according to quality assurance unit, there are about the electricity of 20～30%
Control fuel injector is available or easily repairs, and the purpose of this utility model is to provide a kind of Portable electric-control fuel injector detection
Instrument, with the problem solving to propose in above-mentioned background technology.
Utility model content
For achieving the above object, the following technical scheme of this utility model offer:
A kind of Portable electric-control fuel injector detection instrument, including fuel injector test fixture fixture and circuit control unit, described spray
Oil device test fixture fixture includes that fuel injector cutting ferrule, oil gun guide pin bushing, high-pressure oil gun, locking nut, high-pressure oil pipe, oil return connect
Head and oil spout joint, fuel injector card puts and is provided with jack, and described jack inwall is communicated with an Oil Guide passage, and high-pressure oil gun is pacified
It is loaded in oil gun guide pin bushing, and high-pressure oil gun is fixed with oil gun guide pin bushing by locking nut；Described oil gun guide pin bushing is fixed on Oil Guide
In passage, and high-pressure oil gun extends to inside Oil Guide passage；Described high-pressure oil gun is provided with the oil transportation matched with high-pressure oil pipe
Pipeline；Described circuit control unit mainly by engine wiring harness plug, engine cylinder harness connector plug, fuel injector connecting line, continue
Electrical equipment, oil spout display lamp, signal control module, accumulator and press switch constitute.
As further program of the utility model: described engine wiring harness plug and engine cylinder harness connector plug are by wire phase
Connecting, engine wiring harness plug and engine cylinder harness connector plug are all connected with signal control module, and signal control module connects oil spout
Display lamp, relay, accumulator and press switch, relay is also connected with fuel injector connecting line.
Compared with prior art, the beneficial effects of the utility model are: the fault of electric-controlled fuel injector be broadly divided into mechanical breakdown and
Fault, mechanical breakdown include clamping stagnation, block, reveal, abrasion etc., fault be mainly coil short, open circuit and
Aging, this utility model can determine fault type fast and accurately at fault in-situ, saves censored time and expense,
It also avoid fault and judge the economic loss brought by accident.
Accompanying drawing explanation
Fig. 1 is the sectional view of fuel injector test fixture fixture in this utility model a kind of Portable electric-control fuel injector detection instrument.
Fig. 2 is the top view of fuel injector test fixture fixture in this utility model a kind of Portable electric-control fuel injector detection instrument.
Fig. 3 is the circuit diagram of circuit control unit in this utility model a kind of Portable electric-control fuel injector detection instrument.
In figure: 1-fuel injector cutting ferrule, 2-oil gun guide pin bushing, 3-fuel injector, 4-high-pressure oil gun, 5-locking nut, 6-hydraulic oil
Pipe, 7-back leakage connection, 8-oil spout joint, 9-engine wiring harness plug, 10-engine cylinder harness connector plug, 11-fuel injector are even
Wiring, 12-relay, 13-oil spout display lamp, 14-signal control module, 15-accumulator, 16-press switch.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1～3, in this utility model embodiment, a kind of Portable electric-control fuel injector detection instrument, including fuel injector
Test fixture fixture and circuit control unit, described fuel injector test fixture fixture include fuel injector cutting ferrule 1, oil gun guide pin bushing 2,
High-pressure oil gun 4, locking nut 5, high-pressure oil pipe 6, back leakage connection 7 and oil spout joint 8, fuel injector cutting ferrule 1 is provided with slotting
Hole, and described jack inwall is communicated with an Oil Guide passage, high-pressure oil gun 4 is installed in oil gun guide pin bushing 2, and high-pressure oil gun 4
Fixed with oil gun guide pin bushing 2 by locking nut 5；Described oil gun guide pin bushing 2 is fixed in Oil Guide passage, and high-pressure oil gun 4
Extend to inside Oil Guide passage；Described high-pressure oil gun 4 is provided with the oil pipeline matched with high-pressure oil pipe 6；Described circuit
Control unit mainly by engine wiring harness plug 9, engine cylinder harness connector plug 10, fuel injector connecting line 11, relay 12,
Oil spout display lamp 13, signal control module 14, accumulator 15 and press switch 15 composition, wherein engine wiring harness plug 9
Being connected by wire with engine cylinder harness connector plug 10, engine wiring harness plug 9 and engine cylinder harness connector plug 10 all connect
Connecing signal control module 14, signal control module 14 connects oil spout display lamp 13, relay 12, accumulator 15 and presses
Switch 15, relay 12 is also connected with fuel injector connecting line 11.
Operation principle of the present utility model is: time actually used, is pulled down by the fuel injector in one cylinder of electromotor, and by technique
Fuel injector reinstalls this cylinder, installs Pressure gauge on high-pressure oil gun 4, measures the compression pressure of this cylinder while preventing diesel oil leakage；
The fuel injector pulled down is loaded in the fuel injector cutting ferrule 1 of test, be fixed at this cylinder oil connection with high-pressure oil pipe 6；Return
Oil joint and oil spout joint connect flexible pipe respectively to graduated cylinder；Circuit control unit successively connects power line, diesel engine wire harness gets involved line
Lead-in wire is controlled with fuel injector；The position of the switch of initialization circuit control unit, status checkout and the flow that can realize fuel injector are surveyed
Examination.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.
Therefore, no matter from the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, this practicality is new
The scope of type is limited by claims rather than described above, it is intended that by the containing of equivalency in claim that fall
All changes in justice and scope are included in this utility model.Should not be considered as any reference in claim limiting
Involved claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only comprises
One independent technical scheme, this narrating mode of description is only the most for clarity sake, and those skilled in the art should be by
Description is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can
With other embodiments understood.
Claims (2)
1. a Portable electric-control fuel injector detection instrument, it is characterised in that include fuel injector test fixture fixture and circuit
Control unit, described fuel injector test fixture fixture include fuel injector cutting ferrule, oil gun guide pin bushing, high-pressure oil gun, locking nut,
High-pressure oil pipe, back leakage connection and oil spout joint, fuel injector card puts and is provided with jack, and described jack inwall is communicated with an Oil Guide
Passage, high-pressure oil gun is installed in oil gun guide pin bushing, and high-pressure oil gun is fixed with oil gun guide pin bushing by locking nut；Described oil
Rifle guide pin bushing is fixed in Oil Guide passage, and high-pressure oil gun extends to inside Oil Guide passage；Described high-pressure oil gun is provided with and high pressure
The oil pipeline that oil pipe matches；Described circuit control unit mainly by engine wiring harness plug, engine cylinder harness connector plug,
Fuel injector connecting line, relay, oil spout display lamp, signal control module, accumulator and press switch constitute.
Portable electric-control fuel injector the most according to claim 1 detection instrument, it is characterised in that described electromotor line
Bundle plug is connected by wire with engine cylinder harness connector plug, and engine wiring harness plug and engine cylinder harness connector plug are all connected with
Signal control module, signal control module connects oil spout display lamp, relay, accumulator and presses switch, and relay also connects
Connect fuel injector connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320839.8U CN205654474U (en) | 2016-04-18 | 2016-04-18 | Portable electric fuel injector detects instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320839.8U CN205654474U (en) | 2016-04-18 | 2016-04-18 | Portable electric fuel injector detects instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205654474U true CN205654474U (en) | 2016-10-19 |
Family
ID=57391502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620320839.8U Expired - Fee Related CN205654474U (en) | 2016-04-18 | 2016-04-18 | Portable electric fuel injector detects instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205654474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU186175U1 (en) * | 2018-05-30 | 2019-01-11 | Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" | TRANSITION DEVICE FOR DIAGNOSIS OF ELECTRO-HYDRAULIC DIESEL INJECTORS |
-
2016
- 2016-04-18 CN CN201620320839.8U patent/CN205654474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU186175U1 (en) * | 2018-05-30 | 2019-01-11 | Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" | TRANSITION DEVICE FOR DIAGNOSIS OF ELECTRO-HYDRAULIC DIESEL INJECTORS |
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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: 20161019 Termination date: 20180418 |