CN203604092U - Fuel injector fixing device - Google Patents
Fuel injector fixing device Download PDFInfo
- Publication number
- CN203604092U CN203604092U CN201320703655.6U CN201320703655U CN203604092U CN 203604092 U CN203604092 U CN 203604092U CN 201320703655 U CN201320703655 U CN 201320703655U CN 203604092 U CN203604092 U CN 203604092U
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- cylinder head
- head cover
- injector plate
- fixing device
- 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
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides a fuel injector fixing device which comprises a cylinder head cover and a fuel injector pressing plate. A compression bolt used for tightly pressing the fuel injector pressing plate on the cylinder head cover and penetrates through the middle of the fuel injector pressing plate. The first end of the fuel injector pressing plate is provided with a U-shaped fork used for tightly pressing a fuel injector on the cylinder head cover. The fuel injector fixing device further comprises a compressing adjustment device which is arranged between the second end of the fuel injector pressing plate and the cylinder head cover. Since the compressing adjustment device is arranged between the second end of the fuel injector pressing plate and the cylinder head cover, the fuel injector fixing device can adjust the compression degree of side edges of the fuel injector pressing plate and further play a role in adjusting the compression degree and the compression angle of the oil injector, and the problem that the press fitting of the oil injector is not in place due to poor manufacturing accuracy in the prior art is solved.
Description
Technical field
The utility model relates to auto manufacturing technology, relates in particular to a kind of oil sprayer fixing device, belongs to engine accessory equipment technical field.
Background technique
Oil sprayer is oil supply system important component part on diesel engine, and the required precision that oil sprayer is installed is very high.Fig. 1 is oil sprayer fixing device structural representation of the prior art, and oil sprayer fixing device of the prior art comprises an injector plate 2, and the first end of injector plate 2 is for being pressed abd fixed on cylinder head cover 3 by oil sprayer 1.When use, because the second end of injector plate 2 is to be resisted against on the supporting surface 31 of cylinder head cover 3, tighten after the compression double-screw bolt 4 arranging on injector plate 2, injector plate 2 just can be pressed abd fixed on oil sprayer 1 in cylinder head cover 3.But, because each component in actual application all exist machining error, this has just caused injector plate 2 second ends to contact and can not reach perfect condition with the position of supporting surface 31, as often there is bad connection, or situation about compressing excessively or can not compacting, this will cause injector plate 2 horizontal direction force inequalities, and then causes the first end of injector plate 2 to press-fit not in place to oil sprayer 1.In reality, often can produce owing to press-fiting oil sprayer 1 offset from perpendicular that causes not in place, finally cause that oil sprayer 1 marginal position leaks air, oil leakage phenomenon, affect the normal use of motor.
Model utility content
For solving injector plate in prior art, oil sprayer is press-fited to technical problem not in place, the utility model embodiment provides a kind of oil sprayer fixing device, comprising: cylinder head cover and injector plate; The middle part of described injector plate is run through and is provided with for described injector plate is pressed on to the hold-down bolt on described cylinder head cover; The first end of described injector plate is provided with for the fork of the U-shaped on described cylinder head cover by described oil sprayer clamping;
Described oil sprayer fixing device also comprises clamping adjustment device, and described clamping adjustment device is arranged between second end and described cylinder head cover of described injector plate.
Oil sprayer fixing device as above, wherein, described clamping adjustment device is adjusting bolt.
Oil sprayer fixing device as above, wherein, is provided with the bolt hole for described adjusting bolt is installed on described cylinder head cover, the second end of described injector plate is provided with the bulb for contacting with described adjusting bolt.
Oil sprayer fixing device as above, wherein, the second end of the first end of described injector plate and described injector plate is symmetrically distributed in the both sides of described hold-down bolt.
Oil sprayer fixing device of the present utility model, owing to being provided with clamping adjustment device between injector plate the second end and cylinder head cover, can regulate the compaction degree of the side of injector plate, and then can play the effect that regulates the compaction degree to oil sprayer and compress angle, press-fit problem not in place thereby solve the oil sprayer causing due to accuracy of manufacturing problem in prior art.
Accompanying drawing explanation
Fig. 1 is the oil sprayer fixing device structural representation of prior art;
Fig. 2 is the utility model embodiment's oil sprayer fixing device structural representation.
Embodiment
Fig. 2 is the utility model embodiment's oil sprayer fixing device structural representation, and the utility model embodiment's oil sprayer fixing device, comprising: cylinder head cover 3, injector plate 2 and clamping adjustment device; Injector plate 2 middle parts are run through and are provided with hold-down bolt 4, and hold-down bolt 4 is for being pressed on cylinder head cover 3 by injector plate 2; The first end of injector plate 2 is provided with for oil sprayer 1 being pressed on to U-shaped on cylinder head cover 3 fork, this U-shaped fork oil sprayer 1 is blocked and after, be pressed on cylinder head cover 3; Clamping adjustment device is arranged between second end and cylinder head cover 3 of injector plate 2; The second end of the first end of injector plate 2 and injector plate 2 is distributed in the both sides of hold-down bolt 4 axis, is preferably three and is straight line arrangement.
The main function of clamping adjustment device is the height regulating between the second end and the cylinder head cover 3 of injector plate 2, and then play the effect that regulates injector plate 2 two ends impacting forces, thereby make the fixing oil sprayer 1 of injector plate 2 first ends keep definitely vertical with respect to cylinder head cover 3, can not produce and compress hypodynamic problem.Simultaneously, in the time that oil sprayer compresses hypodynamic situation because long-term work produces, oil sprayer fixing device of the present utility model also can regulate in the situation that not needing dismounting, is directly coordinated and the impaction state of oil sprayer can be adjusted to optimum by the adjusting of hold-down bolt 4 and clamping adjustment device.
On the basis of such scheme, clamping adjustment device is adjusting bolt 5, the general hex head bolt that adopts of adjusting bolt 5; Clamping adjustment device can be set directly on injector plate 2, also can, at cylinder head cover 3 upper bolt holes, adjusting bolt 5 be arranged in the bolt hole on cylinder head cover 3.In the time that adjusting bolt 5 is arranged on cylinder head cover 3, the second end of injector plate 2 is provided with the bulb projection 21 for contacting with adjusting bolt 5.Because adjusting bolt 5 and bulb projection 21 are that point contacts, can well regulate the compaction degree of in the vertical direction injector plate 2, can not apply because of adjusting the power of other directions to injector plate 2, the adjusting bolt 5 that end face is plane in addition, also convenient when instrument regulates.
The oil sprayer fixing device of the present embodiment, the scheme of wherein more optimizing is, the second end of the first end of injector plate 2 and injector plate 2 is symmetrically distributed in the both sides of hold-down bolt 4 axis, and oil sprayer 1 or clamping adjustment device equate to the crow flight distance of hold-down bolt 4.In these cases, when turn adjusting bolt 5, can also the impacting force size of anticipation injector plate 2 to oil sprayer 1, the conveniently equilibrium of forces at adjusting injector plate 2 two ends.
The utility model embodiment's oil sprayer fixing device, due to injector plate wherein a side end be provided with bulb projection, coordinate the adjusting bolt on cylinder head cover simultaneously, can regulate injector plate side compaction degree and do not produce the stressed of other extra direction, coordinate hold-down bolt can play the compaction degree of adjusting to oil sprayer and the effect of compression angle simultaneously, thereby the oil sprayer causing due to accuracy of manufacturing problem in solution prior art press-fits problem not in place, improve reliability and the fuel efficiency of motor.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or some or all of technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment's technological scheme of the utility model.
Claims (4)
1. an oil sprayer fixing device, is characterized in that, comprising: cylinder head cover and injector plate; The middle part of described injector plate is run through and is provided with for described injector plate is pressed on to the hold-down bolt on described cylinder head cover; The first end of described injector plate is provided with for the fork of the U-shaped on described cylinder head cover by described oil sprayer clamping;
Described oil sprayer fixing device also comprises clamping adjustment device, and described clamping adjustment device is arranged between second end and described cylinder head cover of described injector plate.
2. oil sprayer fixing device according to claim 1, is characterized in that, described clamping adjustment device is adjusting bolt.
3. oil sprayer fixing device according to claim 2, is characterized in that, is provided with the bolt hole for described adjusting bolt is installed on described cylinder head cover, and the second end of described injector plate is provided with the bulb for contacting with described adjusting bolt.
4. according to the arbitrary described oil sprayer fixing device of claim 1-3, it is characterized in that, the second end of the first end of described injector plate and described injector plate is symmetrically distributed in the both sides of described hold-down bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703655.6U CN203604092U (en) | 2013-11-08 | 2013-11-08 | Fuel injector fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703655.6U CN203604092U (en) | 2013-11-08 | 2013-11-08 | Fuel injector fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203604092U true CN203604092U (en) | 2014-05-21 |
Family
ID=50716768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320703655.6U Expired - Fee Related CN203604092U (en) | 2013-11-08 | 2013-11-08 | Fuel injector fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203604092U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593735A (en) * | 2016-12-27 | 2017-04-26 | 清华大学 | Electric control oil injector assembly pressing device for four-way electric injection internal combustion engine |
| CN107489574A (en) * | 2017-06-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Oil sprayer clamping structure and engine |
| DE102017221334A1 (en) * | 2017-11-28 | 2019-05-29 | Borgward Trademark Holdings Gmbh | Structure for pressing a fuel injector and engine |
| CN111365154A (en) * | 2020-03-24 | 2020-07-03 | 广西玉柴机器股份有限公司 | Oil sprayer fixing structure |
-
2013
- 2013-11-08 CN CN201320703655.6U patent/CN203604092U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593735A (en) * | 2016-12-27 | 2017-04-26 | 清华大学 | Electric control oil injector assembly pressing device for four-way electric injection internal combustion engine |
| CN106593735B (en) * | 2016-12-27 | 2018-03-09 | 清华大学 | Electric-controlled fuel injector assembly pressing device for Four valve EFI internal combustion engine |
| CN107489574A (en) * | 2017-06-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Oil sprayer clamping structure and engine |
| CN107489574B (en) * | 2017-06-19 | 2019-10-22 | 北汽福田汽车股份有限公司 | Oil sprayer clamping structure and engine |
| DE102017221334A1 (en) * | 2017-11-28 | 2019-05-29 | Borgward Trademark Holdings Gmbh | Structure for pressing a fuel injector and engine |
| CN111365154A (en) * | 2020-03-24 | 2020-07-03 | 广西玉柴机器股份有限公司 | Oil sprayer fixing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203604092U (en) | Fuel injector fixing device | |
| CN109882331B (en) | Long needle valve fuel sprayer mating parts high pressure flow measuring device | |
| CN104959484B (en) | Automobile wheel cover edge rolling device | |
| CN203148663U (en) | Air type valve lock detection head | |
| CN202483775U (en) | Fixing device of multi-cylinder machine fuel injector | |
| CN102536570A (en) | Compaction device for common rail fuel injector of horizontal dual-opposed diesel engine | |
| CN204565568U (en) | A kind of valve guide bushing depthkeeping degree pressing clamp | |
| CN203109525U (en) | Welding device for joint and round pipe of oil atomizer | |
| CN104722991B (en) | A kind of manual spot-welding equipment for high pressure fuel distribution pipe joint | |
| CN205013179U (en) | Diesel engine oil injector hold -down device | |
| CN201862972U (en) | Self-aligning riveting adapter | |
| CN202964480U (en) | Electric-energy-meter compensating-plate tool fixture | |
| CN203629491U (en) | Positioning compaction and detection device | |
| CN202417769U (en) | Fuel injector compacting device | |
| CN212337509U (en) | Oil sprayer fixing structure | |
| CN203296996U (en) | Compression device for oil atomizer of diesel engine | |
| CN203109526U (en) | Welding device for support plate and round pipe of oil atomizer | |
| CN203499885U (en) | Verifier for oil injector | |
| CN201013506Y (en) | Diesel engine electric control fuel injector compressing apparatus | |
| CN207656570U (en) | The special electric-controlled fuel injector of card disassembles Special clamping and is fixed platform | |
| CN2713241Y (en) | Upload ball valve | |
| CN206456365U (en) | Diesel generating set installing mechanism | |
| CN203796469U (en) | Diesel injector pressing block and injector pressing device | |
| CN204736138U (en) | Distributor anchor clamps | |
| CN202992338U (en) | Full-system hydraulic governor parking solenoid valve structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Oil sprayer fixing device Effective date of registration: 20150714 Granted publication date: 20140521 Pledgee: Agricultural Bank of China Limited by Share Ltd. Tianjin branch of economic and Technological Development Zone Pledgor: INNER MONGOLIA OED ENGINE Co.,Ltd. Registration number: 2015990000576 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171208 Granted publication date: 20140521 Pledgee: Agricultural Bank of China Limited by Share Ltd. Tianjin branch of economic and Technological Development Zone Pledgor: INNER MONGOLIA OED ENGINE Co.,Ltd. Registration number: 2015990000576 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20211108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |