CN207634225U - Direct-injection fuel injector fixing clamp - Google Patents
Direct-injection fuel injector fixing clamp Download PDFInfo
- Publication number
- CN207634225U CN207634225U CN201721790954.2U CN201721790954U CN207634225U CN 207634225 U CN207634225 U CN 207634225U CN 201721790954 U CN201721790954 U CN 201721790954U CN 207634225 U CN207634225 U CN 207634225U
- Authority
- CN
- China
- Prior art keywords
- fuel injector
- lubricating cup
- arm
- curved boom
- fixing clamp
- 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.)
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Abstract
The utility model discloses a kind of direct-injection fuel injector fixing clamps, including vertical straight-arm and vertical curved boom, are connected by interconnecting piece between vertical straight-arm and vertical curved boom；The lower end of vertical straight-arm and the middle part of interconnecting piece connect, and the upper end is equipped with straight-arm plush copper；Vertical curved boom includes curved boom straightway and curved boom curved section, and the both ends connection of curved boom straightway and interconnecting piece, curved boom curved section is in C fonts, is open towards vertical straight-arm；Fixing clamp is integrally located at the junction of fuel injector and oily rail lubricating cup, and curved boom straightway is completely fixed with fuel injector, and vertical straight arm section and curved boom curved section are completely fixed with oily rail lubricating cup.By the way that fixing clamp is arranged respectively with fuel injector and oily rail lubricating cup by fixed between fixed realization fuel injector and oily rail lubricating cup, curved boom curved section can efficiently reduce the impact that fuel injector axial vibration is brought；Entire clip is simple in structure, and manufacturing process is simple.
Description
Technical field
The utility model is related to directly jetting gasoline engine injection system technical fields, in particular to a kind of direct-injection fuel injector fixing card
Folder.
Background technology
Injection system is the important component of engine, it is according to the control signal of ECU come timing, quantitative to starting
Machine provides fuel oil.The requirement granular material discharged to gasoline engine of national emission regulation is increasingly harsh, and the atomization of fuel injector is direct
It influences granular material discharged.Especially for directly jetting gasoline engine, since nozzle is directly inserted into cylinder, the fixed position of fuel injector
It is improper to lead to the wet wall of cylinder, it is ineffective so as to cause oil atomizing, influence discharge and fuel economy.Direct-injection fuel injector by
Oily rail is connected in use high-pressure oil pipe, therefore the fixing device of direct-injection fuel injector must assure that between fuel injector and oily rail, oil spout
There is precise and stable fixation between device and engine.
The fixed of common direct-injection fuel injector connects fuel injector and oil rail using single limit clip, by with oily rail
Groove on boss is coordinated to limit its movement in X/Y plane, but the connector of fuel injector and oily rail is only O-shaped close
Seal limits and lacks axial limiting between clip and oily rail, and fuel injector is also easy to produce in axial direction during carrying and assembly
It loosens and even falls off.Additionally due to fuel injector is often in vibrational state at work, the interconnecting piece of fuel injector and oily rail is affected
The durability of part.
Utility model content
The purpose of this utility model seeks to overcome above-mentioned the shortcomings of the prior art, and it is slow to provide a kind of achievable vibration damping
Punching, fixed direct-injection fuel injector fixing clamp.
To achieve the above object, the utility model designs a kind of direct-injection fuel injector fixing clamp, including interconnecting piece, the company
The upper end of socket part is arranged with two vertical straight-arms, and the upper end of the vertical straight-arm is equipped with the straight-arm plush copper protruded outward；Institute
The both ends for stating interconnecting piece are arranged with two vertical curved booms, and the vertical curved boom is in C fonts, is open towards vertical straight-arm.
Further, the fixing clamp is located at the junction of fuel injector and oily rail lubricating cup；The fixing clamp it is vertical
Straight-arm is fixedly connected with oily rail lubricating cup, and the vertical curved boom of the fixing clamp is fixedly connected with fuel injector.
Further, the vertical curved boom includes curved boom straightway and curved boom curved section.
Further, the curved boom straightway is vertical with vertical straight-arm, is arc-shaped on the inside of the curved boom straightway.
Further, be equipped with can be with the fuel injector card that is fixed on the inside of curved boom straightway for the upper end of the fuel injector
Slot.
Further, the lower end of the oily rail lubricating cup is equipped with lubricating cup boss, and lubricating cup limit hole is provided on the lubricating cup boss,
The both sides of the lubricating cup limit hole are equipped with the lubricating cup limiting plate of inverted U, and the lubricating cup limiting plate is equipped with welding boss.
Further, the upper surface of the curved boom curved section is abutted with lubricating cup boss lower surface.
Further, the vertical straight-arm passes through lubricating cup limit hole and is contacted with lubricating cup limiting plate.
Further, the straight-arm plush copper just coordinates with welding boss.
The utility model has the beneficial effects that：
1, fixed, vibration reduction and cushioning.The vertical straight-arm of fixing clamp passes through lubricating cup limit hole and is connect with lubricating cup limiting plate
It touches, the curved boom straightway of fixing clamp and the card slot of fuel injector coordinate, and vertical straight-arm and curved boom straightway are together to fuel injector reality
Existing X, Y-direction limit and prevent from rotating in X/Y plane；The upper surface of curved boom curved section is abutted with lubricating cup boss lower surface, directly
For arm plush copper just with welding boss cooperation, curved boom curved section and straight-arm plush copper realize the limit to fuel injector Z-direction together；Curved boom is bent
Line segment has the elastic deformability in axial direction, can reduce the impact brought by fuel injector axial vibration.
2, simple in structure, easily fabricated.Entire fixing clamp is an entirety, simple in structure, can first whole punch forming
Then bending again, manufacturing process are simple.
Description of the drawings
Fig. 1 is that direct-injection fuel injector fixing clamp assembles axonometric drawing.
Fig. 2 is direct-injection fuel injector fixing clamp axonometric drawing.
Fig. 3 is the structural schematic diagram of oily rail lubricating cup.
Each part numbers are as follows in figure：Vertical straight-arm 1, straight-arm plush copper 2, vertical curved boom 3, curved boom straightway 3.1, curved boom are bent
Line segment 3.2, interconnecting piece 4, fuel injector 5, fuel injector card slot 6, oily rail lubricating cup 7, lubricating cup boss 8, lubricating cup limit hole 9, lubricating cup limit
Plate 10, welding boss 11.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, convenient for more clearly understanding that this practicality is new
Type, but they do not constitute the utility model and limit.
As shown in Figures 1 to 3, a kind of direct-injection fuel injector fixing clamp, including interconnecting piece 4, interconnecting piece are in inverted u-shaped, connection
The upper end in portion 4 is arranged with two vertical straight-arms 1, and the upper end of vertical straight-arm 1 is equipped with the straight-arm plush copper 2 protruded outward；Connection
The both ends in portion 4 are arranged with two vertical curved booms 3, and vertical curved boom includes curved boom straightway 3.1 and curved boom curved section 3.2, vertically
Curved boom 3 is in C fonts, is open towards vertical straight-arm 1, curved boom straightway 3.2 is vertical with vertical straight-arm 1, curved boom straightway 3.2
Inside is arc-shaped.
Fixing clamp is integrally located at the junction of fuel injector 5 and oily rail lubricating cup 7, and 5 upper end of fuel injector is equipped with can be straight with curved boom
The fuel injector card slot 6 that line segment 3.1 is fixed, and two curved boom straightways 3.1 disposed in parallel are clipped in the two of fuel injector card slot 6
Side so that be completely fixed in X, Y, Z-direction between fuel injector 5 and curved boom straightway 3.1；The lower end of oily rail lubricating cup 7 is equipped with a circle
Lubricating cup boss 8, is provided with lubricating cup limit hole 9 on lubricating cup boss 8, and the lubricating cup that the both sides of the lubricating cup limit hole 9 are equipped with inverted U limits
Plate 10, lubricating cup limiting plate 10 are equipped with welding boss 11；Vertical straight-arm 1 passes through lubricating cup limit hole 9 and is supported with lubricating cup limiting plate 10
It connects, to the limit in oily rail lubricating cup 7 realization X, Y-direction；The upper surface of curved boom curved section 3.2 is abutted with 8 lower face of lubricating cup boss, directly
Arm plush copper 2 just coordinates with welding boss 11, realizes the limit in Z-direction to oily rail lubricating cup 7 together, fixing clamp integrally can be with oil
Being completely fixed on the realization of rail lubricating cup 7 X, Y, Z-direction.
It is completely fixed respectively with fuel injector 5 and oily rail lubricating cup 7 by the way that fixing clamp is arranged, realizes fuel injector 5 and oily rail oil
It also realizes and is completely fixed between cup 7；In addition curved boom curved section 3.2 has good elastic deformability, when fuel injector is working
Both when axial vibration occurs in state, curved boom curved section 3.2 can mitigate the axial vibration between fuel injector 5 and oily rail lubricating cup 7, make
Between it is fixed more firm, it is impaired to reduce impact.
Claims (9)
1. a kind of direct-injection fuel injector fixing clamp, it is characterised in that：Including interconnecting piece (4), the upper end of the interconnecting piece (4) is symmetrical
If there are two vertical straight-arm (1), the upper end of the vertical straight-arm (1) is equipped with the straight-arm plush copper (2) protruded outward；The connection
The both ends in portion (4) are arranged with two vertical curved booms (3), and the vertical curved boom (3) is in C fonts, is open towards vertical straight-arm
(1)。
2. direct-injection fuel injector fixing clamp according to claim 1, it is characterised in that：The fixing clamp is located at fuel injector
(5) and the junction of oily rail lubricating cup (7)；The vertical straight-arm (1) of the fixing clamp is fixedly connected with oily rail lubricating cup (7), described
The vertical curved boom (3) of fixing clamp is fixedly connected with fuel injector (5).
3. direct-injection fuel injector fixing clamp according to claim 1, it is characterised in that：The vertical curved boom (3) includes curved
Arm straightway (3.1) and curved boom curved section (3.2).
4. direct-injection fuel injector fixing clamp according to claim 3, it is characterised in that：The curved boom straightway (3.1) with
Vertical straight-arm (1) is vertically, on the inside of the curved boom straightway (3.1) arc-shaped.
5. direct-injection fuel injector fixing clamp according to claim 2 or 3, it is characterised in that：The upper end of the fuel injector (5)
Equipped with can be with the fuel injector card slot (6) that is fixed on the inside of curved boom straightway (3.1).
6. direct-injection fuel injector fixing clamp according to claim 2, it is characterised in that：The lower end of the oil rail lubricating cup (7)
Equipped with lubricating cup boss (8), lubricating cup limit hole (9) is provided on the lubricating cup boss (8), the both sides of the lubricating cup limit hole (9) are set
There are the lubricating cup limiting plate (10) of inverted U, the lubricating cup limiting plate (10) to be equipped with welding boss (11).
7. the direct-injection fuel injector fixing clamp according to claim 3 or 6, it is characterised in that：The curved boom curved section (3.2)
Upper surface abutted with lubricating cup boss (8) lower face.
8. direct-injection fuel injector fixing clamp according to claim 1 or 6, it is characterised in that：The vertical straight-arm (1) passes through
Lubricating cup limit hole (9) is simultaneously abutted with lubricating cup limiting plate (10).
9. direct-injection fuel injector fixing clamp according to claim 1 or 6, it is characterised in that：The straight-arm plush copper (2) is just
Coordinate with welding boss (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790954.2U CN207634225U (en) | 2017-12-20 | 2017-12-20 | Direct-injection fuel injector fixing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790954.2U CN207634225U (en) | 2017-12-20 | 2017-12-20 | Direct-injection fuel injector fixing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634225U true CN207634225U (en) | 2018-07-20 |
Family
ID=62853497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721790954.2U Active CN207634225U (en) | 2017-12-20 | 2017-12-20 | Direct-injection fuel injector fixing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634225U (en) |
-
2017
- 2017-12-20 CN CN201721790954.2U patent/CN207634225U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |