CN106050509A - Electrically controlled fuel injector submerged type compressing and fixing composite structure - Google Patents
Electrically controlled fuel injector submerged type compressing and fixing composite structure Download PDFInfo
- Publication number
- CN106050509A CN106050509A CN201610655815.2A CN201610655815A CN106050509A CN 106050509 A CN106050509 A CN 106050509A CN 201610655815 A CN201610655815 A CN 201610655815A CN 106050509 A CN106050509 A CN 106050509A
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- China
- Prior art keywords
- fuel injector
- pressing plate
- controlled fuel
- electric
- branch
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses an electrically controlled fuel injector submerged type compressing and fixing composite structure, which comprises an electrically controlled fuel injector, a pressing plate, a pressing sleeve, fixing bolts, gaskets and a cylinder lid; the clamp of the pressing plate is arranged to penetrate the clamping groove of the electrically controlled fuel injector, then the cambered pressing surfaces of the two T-branches of the pressing plate are submerged into the fuel injector mounting hole of the cylinder lid together with the electrically controlled fuel injector, and are contacted tightly with the plane pressing surfaces of the electrically controlled fuel injector; the pressing plate and the fuel injector are fixed on the cylinder lid via the bolts and the gaskets through a through hole A on the pressing plate; the two clamping slots on the pressing sleeve are respectively combined with the two T-branches of the pressing plate; the plane pressing surfaces of the pressing sleeve are tightly attached to the plane pressing surfaces on the T-branches of the pressing plate; the pressing sleeve and the pressing plate are together fixed with the cylinder lid by the bolts and the gaskets through the through hole B. The submerged type compressing and fixing of the electrically controlled fuel injector can be realized by applying the compressing and fixing composite structure which has the advantages of compact and reasonable structure, convenient installation and using reliability.
Description
Technical field
The invention belongs to engine art, relate to a kind of electric-controlled fuel injector fixed structure, particularly relate to a kind of electronic control injection
The combinative structure that device sunk is fixed.
Background technology
Along with engine emission grade is improved constantly by countries in the world, for guaranteeing that electromotor meets emission request, tradition
Positive injector need to change electric-controlled fuel injector into.Owing to some electromotor is limited by head space, oil sprayer clamping face needs
Sinking to inside cylinder cap, if change cylinder cap, design and manufacture cost will be the biggest.In the prior art, notification number is
The patent of invention of CN103573510B, patent name: electric-controlled fuel injector fixation clip, the patent No.: 2012102643196, this is special
Profit includes: U template shape pressing plate body and fuel injector gland；U-shaped tabular pressing plate body includes Liang Ge pressing plate branch and connects two
The joint portion of pressing plate branch, and the fuel injector bayonet socket surrounded by Liang Ge pressing plate branch and joint portion, joint portion offers
One bolt resigning hole；Fuel injector gland include clamp that the right-hand member adaptation with fuel injector bayonet socket snaps in and be positioned at clamp top only
Plate, and it is opened in the second bolt resigning hole at middle part.This patent is only applicable to oil sprayer clamping face and exceeds the knot of top surface of cylinder cover
Structure.Therefore, the combinative structure that a kind of fuel injector sunk is fixed is developed, it will effectively solve because head space limits oil spout
Device seal face need to sink to the structure problem within cylinder cap, simultaneously compact and reasonable, convenient installation, uses reliable, it is not necessary to change cylinder cap
The combinative structure being fixed be completely necessary.
Summary of the invention
The invention aims to solve an above-mentioned prior art difficult problem, it is provided that a kind of compact conformation is reasonable, saves and arranges
Space, the combinative structure that the convenient a kind of electric-controlled fuel injector sunk installed is fixed.For reaching above-mentioned purpose, the present invention adopts
The technical scheme taken is: the combinative structure that a kind of electric-controlled fuel injector sunk is fixed, including: electric-controlled fuel injector 1, pressing plate 2,
Gland 3, fastening bolt 4, pad 5, cylinder cap 6；It is characterized in that: the bayonet socket 2.5 on pressing plate 2 is through the draw-in groove on control fuel injector 1
After 1.1, the compression cambered surface 2.3 of Liang GeTXing branch 2.1 thereon sinks to the fuel injector of cylinder cap 6 together with electric-controlled fuel injector 1 and installs
In hole, the compression cambered surface 2.3 on pressing plate 2 is in close contact with the clamping plane 1.2 on electric-controlled fuel injector 1.Fastening bolt 4 and pad
Pressing plate 2, fuel injector 1 are fixed on cylinder cap 6 by 5 by the A through hole 2.6 on pressing plate 2；Two draw-in grooves 3.3 on gland 3 respectively with
Liang GeTXing branch 2.1 on pressing plate 2 combines, and the clamping plane 3.4 on gland 3 is close to the Liang GeTXing branch on pressing plate 2
Clamping plane 2.4 on 2.1.Gland 3, pressing plate 2 are together fixed on by the B through hole 3.5 on gland 3 by fastening bolt 4 with pad 5
On cylinder cap 6.
Pressing plate 2 includes Liang GeTXing branch 2.1, the joint portion 2.2 between Liang GeTXing branch 2.1；T-shaped branch 2.1 lower end
Having compression cambered surface 2.3, T-shaped branch 2.1 upper end has clamping plane 2.4, the bayonet socket that Liang GeTXing branch 2.1 forms with joint portion 2.2
2.5, joint portion 2.2 offers A through hole 2.6.Gland 3 is E type shape, and two ends are two positive stop lug boss 3.1, and middle part is boss
3.2, boss 3.1 and boss 3.2 form two draw-in grooves 3.3, and draw-in groove 3.3 bottom surface is clamping plane 3.4, and boss 3.2 offers B
Through hole 3.5.
T-shaped branch 2.1 quantity of pressing plate 2 is two, and the quantity compressing cambered surface 2.3 is two, the quantity of clamping plane 2.4
It it is two.
The E type that is shaped as of gland 3, the quantity of positive stop lug boss 3.1 is two, and the quantity of draw-in groove 3.3 is two, clamping plane
The quantity of 3.4 is two.
The present invention can reach following good effect after using technique scheme: uses the electric-controlled fuel injector of said structure to sink
Enter the combinative structure that formula is fixed, the structure within cylinder cap need to be sunk to because head space limits oil sprayer clamping face, be not required to
Cylinder cap size to be changed, the only combinative structure by using this invention to be fixed can realize electric-controlled fuel injector sunk and compress
Fixing.This combinative structure compact and reasonable, convenient installation, use reliable.Meanwhile, original hydraulic injection device cylinder cap can be directly utilized,
Save design cost.
Accompanying drawing explanation
Fig. 1 is the combinative structure schematic diagram that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 2 is the cross-sectional schematic of the combinative structure that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 3 is the electric-controlled fuel injector structural representation of the combinative structure that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 4 is that the electric-controlled fuel injector stationary plane section view of the combinative structure that the present invention a kind of electric-controlled fuel injector sunk is fixed is shown
It is intended to；
Fig. 5 is the schematic front view of the combinative structure pressing plate that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 6 is the schematic top plan view of the combinative structure pressing plate that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 7 is the schematic perspective view of the combinative structure pressing plate that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 8 is the schematic perspective view of the combinative structure gland that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Fig. 9 is the cross-sectional schematic of the combinative structure gland that the present invention a kind of electric-controlled fuel injector sunk is fixed；
Reference: 1-electric-controlled fuel injector, 1.1-draw-in groove, 1.2-clamping plane, 2-pressing plate, 2.1-T type branch, 2.2-combines
Portion, 2.3-compresses cambered surface, 2.4-clamping plane, 2.5-bayonet socket, 2.6-A through hole, 3-gland, 3.1-positive stop lug boss, and 3.2-is convex
Platform, 3.3-draw-in groove, 3.4-clamping plane, 3.5-B through hole, 4-fastening bolt, 5-pad, 6-cylinder cap.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a specific embodiment of the present invention is described in detail, it is to be understood that the present invention
Protection domain is not limited by specific embodiment.
The present invention includes: electric-controlled fuel injector 1, pressing plate 2, gland 3, bolt 4, pad 5, cylinder cap 6.Wherein, such as Fig. 3 and Fig. 4
Shown in, electric-controlled fuel injector 1 has draw-in groove 1.1, the clamping plane 1.2 being fixed；As shown in Fig. 5, Fig. 6, Fig. 7, pressing plate 2 wraps
Including: Liang GeTXing branch 2.1, the joint portion 2.2 between Liang GeTXing branch 2.1, there is compression cambered surface 2.3, T T-shaped branch 2.1 lower end
There is clamping plane 2.4 type branch 2.1 upper end, and the bayonet socket 2.5 that Liang GeTXing branch 2.1 forms with joint portion 2.2, on joint portion 2.2
Offer A through hole 2.6；As shown in Figure 8, Figure 9, gland 3 is E type shape, and two ends are two positive stop lug boss 3.1, and middle part is boss 3.2,
Boss 3.1 and boss 3.2 form two draw-in grooves 3.3, and draw-in groove 3.3 bottom surface is clamping plane 3.4, the B through hole that boss 3.2 is offered
3.5。
As shown in Figure 1 and Figure 2, after the bayonet socket 2.5 of pressing plate 2 passes control fuel injector draw-in groove 1.1, Liang GeTXing branch thereon
The compression cambered surface 2.3 of 2.1 sinks in the mounting hole of oil sprayer of cylinder cap 6 together with electric-controlled fuel injector 1, compresses cambered surface 2.3 with automatically controlled
Fuel injector 1 clamping plane 1.2 is in close contact.Pressing plate 2, fuel injector 1 are fixed on by A through hole 2.6 by fastening bolt 4 with pad 5
On cylinder cap 6.Two draw-in grooves 3.3 of gland 3 are combined with pressing plate 2 Liang GeTXing branch 2.1 respectively, and clamping plane 3.4 is close to two
Clamping plane 2.4 in GeTXing branch 2.1.Gland 3, pressing plate 2 are together fixed on by B through hole 3.5 by fastening bolt 4 with pad 5
On cylinder cap 6.
Present configuration compact and reasonable, saves arrangement space, it is possible to resolve need to sink because head space limits oil sprayer clamping face
Enter the structure problem within cylinder cap, convenient installation.Meanwhile, original hydraulic injection device cylinder cap can be directly utilized, saved and be designed to
This.
Being not limited to the situation described in the present embodiment in actual application, all are without departing from the skill of essentiality content of the present invention
Art scheme and improvement, all should fall in scope of the presently claimed invention.
Claims (5)
1. the combinative structure that electric-controlled fuel injector sunk is fixed, including: electric-controlled fuel injector (1), pressing plate (2), gland
(3), fastening bolt (4), pad (5), cylinder cap (6)；It is characterized in that: the bayonet socket (2.5) on pressing plate (2) is through control fuel injector
(1), after the draw-in groove (1.1) on, the compression cambered surface (2.3) of Liang GeTXing branch (2.1) thereon is sunk together with electric-controlled fuel injector (1)
Enter in the mounting hole of oil sprayer of cylinder cap (6), the compression cambered surface (2.3) on pressing plate (2) and the clamping plane on electric-controlled fuel injector (1)
(1.2) it is in close contact；Fastening bolt (4) and pad (5) pass through the A through hole (2.6) on pressing plate (2) by pressing plate (2), fuel injector
(1) it is fixed on cylinder cap (6)；Two draw-in grooves (3.3) on gland (3) respectively with the Liang GeTXing branch (2.1) on pressing plate (2)
In conjunction with, the clamping plane (3.4) on gland (3) is close to the clamping plane Liang GeTXing branch (2.1) on pressing plate (2) in
(2.4)；Gland (3), pressing plate (2) are together fixed by the B through hole (3.5) on gland (3) by fastening bolt (4) with pad (5)
On cylinder cap (6).
The combinative structure that a kind of electric-controlled fuel injector sunk the most according to claim 1 is fixed, it is characterised in that: pressure
Plate (2) includes Liang GeTXing branch (2.1), the joint portion (2.2) between Liang GeTXing branch (2.1)；T-shaped branch (2.1) lower end
Compression cambered surface (2.3), T-shaped branch (2.1) upper end is had to have clamping plane (2.4), Liang GeTXing branch (2.1) and joint portion (2.2)
The bayonet socket (2.5) of composition, joint portion (2.2) offer A through hole (2.6).
The combinative structure that a kind of electric-controlled fuel injector sunk the most according to claim 1 is fixed, it is characterised in that: pressure
The quantity of the compression cambered surface (2.3) of plate (2) is two, and the quantity of clamping plane (2.4) is two.
The combinative structure that a kind of electric-controlled fuel injector sunk the most according to claim 1 is fixed, it is characterised in that: pressure
Set (3) is E type shape, and two ends are two positive stop lug boss (3.1), and middle part is boss (3.2), and boss (3.1) is formed with boss (3.2)
Two draw-in grooves (3.3), draw-in groove (3.3) bottom surface is clamping plane (3.4), and boss (3.2) offers B through hole (3.5).
The combinative structure that a kind of electric-controlled fuel injector sunk the most according to claim 1 is fixed, it is characterised in that: pressure
The quantity of the positive stop lug boss (3.1) of set (3) is two, and the quantity of draw-in groove (3.3) is two, and the quantity of clamping plane (3.4) is
Two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655815.2A CN106050509A (en) | 2016-08-12 | 2016-08-12 | Electrically controlled fuel injector submerged type compressing and fixing composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655815.2A CN106050509A (en) | 2016-08-12 | 2016-08-12 | Electrically controlled fuel injector submerged type compressing and fixing composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050509A true CN106050509A (en) | 2016-10-26 |
Family
ID=57481555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610655815.2A Pending CN106050509A (en) | 2016-08-12 | 2016-08-12 | Electrically controlled fuel injector submerged type compressing and fixing composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050509A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193606A (en) * | 2000-01-14 | 2001-07-17 | Mazda Motor Corp | Fixing structure of fuel injection valve for direct injection type engine |
| CN202417769U (en) * | 2012-01-19 | 2012-09-05 | 中国重汽集团济南动力有限公司 | Fuel injector compacting device |
| CN202732185U (en) * | 2012-07-30 | 2013-02-13 | 广西玉柴机器股份有限公司 | Electric-controlled fuel injector fixing pressing plate |
| CN203296996U (en) * | 2013-05-03 | 2013-11-20 | 东风朝阳朝柴动力有限公司 | Compression device for oil atomizer of diesel engine |
| CN103573510A (en) * | 2012-07-30 | 2014-02-12 | 广西玉柴机器股份有限公司 | Electronic control fuel injector fixing pressing plate |
| CN205990979U (en) * | 2016-08-12 | 2017-03-01 | 一拖(洛阳)柴油机有限公司 | The combinative structure that a kind of electric-controlled fuel injector sunk is fixed |
-
2016
- 2016-08-12 CN CN201610655815.2A patent/CN106050509A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001193606A (en) * | 2000-01-14 | 2001-07-17 | Mazda Motor Corp | Fixing structure of fuel injection valve for direct injection type engine |
| CN202417769U (en) * | 2012-01-19 | 2012-09-05 | 中国重汽集团济南动力有限公司 | Fuel injector compacting device |
| CN202732185U (en) * | 2012-07-30 | 2013-02-13 | 广西玉柴机器股份有限公司 | Electric-controlled fuel injector fixing pressing plate |
| CN103573510A (en) * | 2012-07-30 | 2014-02-12 | 广西玉柴机器股份有限公司 | Electronic control fuel injector fixing pressing plate |
| CN203296996U (en) * | 2013-05-03 | 2013-11-20 | 东风朝阳朝柴动力有限公司 | Compression device for oil atomizer of diesel engine |
| CN205990979U (en) * | 2016-08-12 | 2017-03-01 | 一拖(洛阳)柴油机有限公司 | The combinative structure that a kind of electric-controlled fuel injector sunk is fixed |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |