CN207892752U - Fuel injector gasket and installation device of fuel injector - Google Patents
Fuel injector gasket and installation device of fuel injector Download PDFInfo
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- CN207892752U CN207892752U CN201721920487.0U CN201721920487U CN207892752U CN 207892752 U CN207892752 U CN 207892752U CN 201721920487 U CN201721920487 U CN 201721920487U CN 207892752 U CN207892752 U CN 207892752U
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- gasket
- fuel injector
- metallic material
- cylinder cap
- elastic metallic
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Abstract
The utility model discloses a kind of fuel injector gaskets and installation device of fuel injector with decrease of noise functions, the fuel injector gasket is by inner hole sleeve on fuel injector, the fuel injector gasket includes Upper gasket, lower gasket, elastic metallic material, the Upper gasket is contacted with fuel injector, lower gasket is contacted with cylinder cap, the elastic metallic material is arranged between Upper gasket and lower gasket, and the fuel injector gasket further includes stationary jaw, and stationary jaw extends from Upper gasket is inwardly projecting.The mechanical oscillation between fuel injector and cylinder cap have been isolated in the fuel injector gasket, reduce the mechanical noise of fuel injector, promote the noise-and-vibration-reduction performance of engine.
Description
Technical field
The utility model is related to the installation technique for fixing field of automobile engine, more particularly to a kind of fuel injector gasket and spray
Oily device mounting device.
Background technology
With the rapid development of science and technology, automobile industry becomes the world's largest manufacturing industry, car ownership rapid growth, people
Quality of life increasingly promoted, people require the NVH (noise, vibration and sound vibration roughness) of vehicle also more and more fastidious.Such as
The present, the NVH problems of vehicle are the major vehicle manufacturing enterprise of international automobile industry and one of the problem of parts enterprises are most paid close attention to, start
The quality of core component of the machine as automobile, NVH performances directly affects the comfort of vehicle.GDI (send out by gasoline direct injection
Motivation) noise problem of engine fuel injection system is also to perplex the persistent ailment of numerous research staff always.
It is well known that GDI engine uses in-cylinder direct-jet technology, fuel injector is directly installed on cylinder cap, fuel injector with
Cylinder cap is directly contacted firmly by fuel injector gasket.When fuel injector is normally opened and closed, needle-valve needs pump, while driving spray
Oily device generates mechanical oscillation with cylinder cap, to generate knock.Traditional fuel injector gasket uses common metal washer, does not have
The structure of buffer shock-absorbing, the knock that the mechanical oscillation of fuel injector generate are passed out by cylinder cap.Therefore it is badly in need of a kind of fuel injector
Gasket has the function of vibration reduction and cushioning, to achieve the purpose that reduce noise.
Utility model content
The technical issues of the utility model solves is, provides a kind of fuel injector gasket and installation device of fuel injector, energy
The mechanicalness noise for enough reducing fuel injector, promotes the noise reduction damping performance of engine.
The utility model solves its technical problem using technical solution below to realize：
By inner hole sleeve on fuel injector, the fuel injector gasket includes Upper gasket, lower gasket, bullet for a kind of fuel injector gasket
Property metal material, the elastic metallic material is arranged between Upper gasket and lower gasket, and the fuel injector gasket further includes fixing
Claw, stationary jaw extend from Upper gasket is inwardly projecting.
In the preferred embodiment of the utility model, above-mentioned Upper gasket is hollow bowl-shape, and the lower gasket includes circular ring shape
Side and the circular ring shape bottom surface extended inwardly to form by circular ring shape side bottom, the lower gasket are mounted on the outer of Upper gasket
Side.
In the preferred embodiment of the utility model, above-mentioned fuel injector gasket ecto-entad is followed successively by lower gasket, elasticity gold
Belong to material and Upper gasket.
In the preferred embodiment of the utility model, pass through pressure between above-mentioned Upper gasket, lower gasket and elastic metallic material
Dress technique is tightly secured together.
In the preferred embodiment of the utility model, above-mentioned bullet elastic metallic material is steel wool.
In the preferred embodiment of the utility model, the stationary jaw of above-mentioned oil injector packing on piece is equipped with multiple.
A kind of installation device of fuel injector, including above-mentioned fuel injector gasket, fuel injector and cylinder cap；The fuel injector gasket is arranged
On fuel injector, the stationary jaw of the fuel injector gasket contradicts fuel injector, and the cylinder cap is equipped with a groove, the oil spout
It is installed in groove after device gasket and fuel injector integrally installation.
In the preferred embodiment of the utility model, the plane contact of above-mentioned Upper gasket and fuel injector, the lower gasket with
Groove floor contact on cylinder cap.
The utility model is had the technical effect that using what above-mentioned technical proposal generated：Using the two-pad of Upper gasket and lower gasket
Simultaneously steel wool structure is arranged in structure between two-pad so that and the utility model fuel injector gasket has the function of vibration reduction and cushioning, and
The function of the mechanical oscillation of fuel injector and cylinder cap can be isolated in the utility model installation device of fuel injector.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be clearer and more comprehensible with advantage, it is special below to lift preferred embodiment, and coordinate attached drawing, it is described in detail.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model fuel injector gasket.
Fig. 2 is the diagrammatic cross-section of Fig. 1.
Fig. 3 is the utility model fuel injector gasket and the structural schematic diagram of installation device of fuel injector.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken,
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.Pass through specific implementation mode
Illustrate, when can be to the utility model reach technological means that predetermined purpose is taken and effect be able to it is more deeply and specific
Understand, however institute's accompanying drawings are only to provide reference and description is used, and are not used for limiting the utility model.
Fig. 1 is the dimensional structure diagram of the utility model fuel injector gasket；Fig. 2 is the diagrammatic cross-section of Fig. 1；Fig. 3 is
The structural schematic diagram of the utility model fuel injector gasket and installation device of fuel injector.As shown in Fig. 1 to Fig. 3, one kind having noise reduction
The fuel injector gasket 10 of function, including an endoporus 18, make fuel injector gasket 10 be sleeved on fuel injector 20 by the endoporus.
The fuel injector gasket 10 includes Upper gasket 12, lower gasket 15, elastic metallic material 14 and stationary jaw 16, pad on this
Piece 12 be it is hollow bowl-shape, extend to form a concave station face from outside to inside, from the top down, the lower gasket 15 include circular ring shape side with
And the circular ring shape bottom surface extended inwardly to form by circular ring shape side bottom；The stationary jaw 16 prolongs from Upper gasket 12 is inwardly projecting
It stretches.
The elastic metallic material 14 is mounted between Upper gasket 12 and lower gasket 15；The Upper gasket of fuel injector gasket 10
12, it is tightly secured together by press-loading process between lower gasket 15 and elastic metallic material 14；The fuel injector gasket 10 by
Structure outside to inside is followed successively by lower gasket 15, elastic metallic material 14 and Upper gasket 12；The elastic metallic material 14 is steel wire
Suede has the function of buffer shock-absorbing.
When the utility model fuel injector gasket 10 is installed and used, as shown in figure 3, the installation device of fuel injector of the utility model
Further include a fuel injector 20 and a cylinder body 30, the shape of fuel injector 20 is probably cylinder, and fuel injector gasket 10 passes through endoporus 18
It is sleeved on the cylinder of fuel injector 20, stationary jaw 16 supports fuel injector 20 to install fuel injector gasket 10 and fuel injector 20
It is fixed.Cylinder cap 30 includes a groove 32, and fuel injector gasket 10 is installed along with the groove of cylinder cap 30 with 20 fixing body of fuel injector again
In 32.The plane contact of the Upper gasket 12 and fuel injector 20, the lower gasket 15 are contacted with the groove floor on cylinder cap 30.
When fuel injector 20 is normally opened and closed, needle-valve needs pump, while fuel injector 20 being driven to be generated with cylinder cap 30
Mechanical oscillation, to generate knock.Since fuel injector 20 and cylinder cap 30 are in direct contact by fuel injector gasket 10, so
Mechanical oscillation are will produce between fuel injector 20 and cylinder cap 30.The utility model improves traditional conventional pads, by fuel injector gasket
10 are designed as Upper gasket 12 and lower gasket 15,15 in Upper gasket 12 and lower gasket between increase steel wool structure 14, increase steel
The fuel injector gasket 10 of velvet structure 14, has the function of good vibration reduction and cushioning, can slow down fuel injector 20 and cylinder cap 30 it
Between mechanical oscillation, to reduce the mechanical knock of fuel injector 20, improve engine noise reduction damping performance and vehicle relax
Adaptive, to achieve the purpose that reduce noise.
Preferred embodiments of the present invention are described in detail above in association with attached drawing, but the utility model is not limited to
Detail in the above embodiment, above-described embodiment are exemplary, and should not be understood as limiting the present invention,
In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model, these letters
Monotropic type belongs to the scope of protection of the utility model.
Claims (8)
1. a kind of fuel injector gasket, the fuel injector gasket (10) is sleeved on by endoporus (18) on fuel injector (20), and feature exists
In the fuel injector gasket (10) includes Upper gasket (12), lower gasket (15), elastic metallic material (14), the elastic metallic
Material (14) is arranged between Upper gasket (12) and lower gasket (15), and the fuel injector gasket further includes stationary jaw (16), Gu
Determine claw (16) from Upper gasket (12) is inwardly projecting to extend.
2. fuel injector gasket as described in claim 1, which is characterized in that the Upper gasket (12) is hollow bowl-shape, under described
Gasket (15) includes circular ring shape side and the circular ring shape bottom surface that is extended inwardly to form by circular ring shape side bottom, the lower gasket
(15) it is mounted on the outside of Upper gasket (12).
3. fuel injector gasket as claimed in claim 2, which is characterized in that fuel injector gasket (10) ecto-entad is followed successively by
Lower gasket (15), elastic metallic material (14) and Upper gasket (12).
4. fuel injector gasket as claimed in claim 3, which is characterized in that the Upper gasket (12), lower gasket (15) and elasticity
Metal material is tightly secured together between (14) by press-loading process.
5. fuel injector gasket as described in claim 1, which is characterized in that the elastic metallic material (14) is steel wool.
6. fuel injector gasket as claimed in claim 2, which is characterized in that the stationary jaw on the fuel injector gasket (10)
(16) it is equipped with multiple.
Include fuel injector gasket (10) as described in claim 1 to 6 any one, oil spout 7. a kind of installation device of fuel injector
Device (20) and cylinder cap (30), which is characterized in that the fuel injector gasket is arranged on fuel injector (20), the oil injector packing
The stationary jaw (16) of piece (10) contradicts fuel injector (20), and the cylinder cap (30) is equipped with a groove (32), the fuel injector gasket
(10) it is installed in groove (32) with after fuel injector (20) integrally installation.
8. installation device of fuel injector as claimed in claim 7, which is characterized in that the Upper gasket (12) and fuel injector (20)
Plane contact, the lower gasket (15) contact with groove (32) bottom surface on cylinder cap (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920487.0U CN207892752U (en) | 2017-12-29 | 2017-12-29 | Fuel injector gasket and installation device of fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920487.0U CN207892752U (en) | 2017-12-29 | 2017-12-29 | Fuel injector gasket and installation device of fuel injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207892752U true CN207892752U (en) | 2018-09-21 |
Family
ID=63550767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920487.0U Active CN207892752U (en) | 2017-12-29 | 2017-12-29 | Fuel injector gasket and installation device of fuel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207892752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901389A (en) * | 2020-10-30 | 2021-06-04 | 重庆长安汽车股份有限公司 | Fuel injector support ring mounting structure |
| KR20230037283A (en) * | 2021-09-09 | 2023-03-16 | 주식회사 현대케피코 | Fuel injector for prevention leakage and assembling method of the fuel injector |
-
2017
- 2017-12-29 CN CN201721920487.0U patent/CN207892752U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901389A (en) * | 2020-10-30 | 2021-06-04 | 重庆长安汽车股份有限公司 | Fuel injector support ring mounting structure |
| KR20230037283A (en) * | 2021-09-09 | 2023-03-16 | 주식회사 현대케피코 | Fuel injector for prevention leakage and assembling method of the fuel injector |
| KR102605656B1 (en) | 2021-09-09 | 2023-11-23 | 주식회사 현대케피코 | Fuel injector for prevention leakage and assembling method of the fuel injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181229 Address after: 318000 Area B, West of Haihong Avenue and South of Binba Road, Taizhou Economic Development Zone, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Taizhou Binhai Geely Engine Co., Ltd. Address before: 318000 Zhejiang Taizhou Binhai Industrial Park Staff Apartment Building 3 302 Rooms Patentee before: Taizhou Geely row Engine Co., Ltd. |
|
| TR01 | Transfer of patent right |