CN205779285U - Integrated structure between cylinder head and fuel feed pipe - Google Patents
Integrated structure between cylinder head and fuel feed pipe Download PDFInfo
- Publication number
- CN205779285U CN205779285U CN201620521343.7U CN201620521343U CN205779285U CN 205779285 U CN205779285 U CN 205779285U CN 201620521343 U CN201620521343 U CN 201620521343U CN 205779285 U CN205779285 U CN 205779285U
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- China
- Prior art keywords
- feed pipe
- fuel feed
- cylinder head
- installation
- boss
- Prior art date
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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 46
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract 1
- 239000000295 fuel oil Substances 0.000 description 10
- 239000003921 oil Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
This utility model provides the integrated structure between a kind of cylinder head and fuel feed pipe.In this structure, fuel feed pipe has conveying tube body and mounting flange, mounting flange is formed multiple installation through hole, it is provided with corresponding with multiple installation through holes, for installing multiple installation boss of fuel feed pipe in cylinder head, by the bolt being screwed in each self-corresponding installation boss from each installation through hole, fuel feed pipe is installed in cylinder head, and, being provided with at least one support boss in cylinder head, this support boss abuts against with the mounting flange of fuel feed pipe.Based on this structure, it is possible to the situation preventing fuel feed pipe from occuring bending and deformation because bearing bigger load occurs.
Description
Technical field
This utility model relates to cylinder head, the knot between a kind of cylinder head and fuel feed pipe
Close structure.
Background technology
In the cylinder head of vehicular engine, it is provided with for supplying to the fuel injection equipment (FIE) of each cylinder
Fuel feed pipe to fuel oils such as gasoline.Generally, fuel feed pipe is by being arranged in cylinder head
Multiple boss and be installed in cylinder head.
Such as, as shown in Figure 4, fuel feed pipe 200 is formed, at conveying tube body 210
Outer wall on along the length direction of this conveying tube body 210 be the installation usage that extends of wall-like ground
Blue 220, this mounting flange 220 is formed with four installations that interval forms a line with logical
Hole 230.Meanwhile, in the cylinder head 100 with four air inlets 110, it is provided with for pacifying
Four installation boss 120 of oil bunkering conveying pipe 200.By by bolt 310 from install usage
Each installation through hole 230 of blue 220 is screwed in the installation boss 120 of each correspondence, fuel oil
Conveying pipe 200 is just installed in cylinder head 100.
It addition, as shown in Figure 4, at the tube wall of the conveying tube body 210 of fuel feed pipe 200
On be provided with four connecting portions 240.Four fuel injectors the most corresponding with each air inlet 110
It is internal that 400 respective one end are inserted into conveying tube body 210 from corresponding connecting portion 240.
In said structure, fuel feed pipe 200 is formed with the length along conveying tube body 210
Degree direction extends and has the mounting flange 220 of one fixed width.Thus, (install in the Y direction
Width with flange 220) on, fuel feed pipe 200 has higher intensity.But,
Installation boss 120 owing to being supported in cylinder head 100 by fuel feed pipe 200 has phase
Should in the length of fuel injector 400, so, in axial (Z-direction) of bolt 310,
Spacing is had between fuel feed pipe 200 and cylinder head 100.It addition, two are installed with boss 120
Between also have bigger spacing.Thus, fuel feed pipe 200 strength ratio in z-direction is relatively
Low, if vehicle collides, fuel feed pipe 200 is collided by acting on Z-direction,
The most likely to Z-direction (cylinder head 100 side) flexural deformation.In the case, will combustion
The O type that the connecting portion 240 of oil conveying pipe 200 is connected with the fuel filler of fuel injector 400
Circle (not shown) is if it occur that deform or damaged, it is likely that on fire because of fuel leakage.
To this, can take that protection component is set for fuel feed pipe 200 or raising fuel oil is defeated
The measures such as the intensity sending pipe 200, but these measures can make cost raise.It addition, at impaction
Rule become under tight present situation day by day, and these measures have limitation.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is, it is provided that one can be with simply
Structure prevent the integrated structure between cylinder head that fuel feed pipe deforms and fuel feed pipe.
As the technical scheme of the above-mentioned technical problem of solution, this utility model provides a kind of cylinder head
And the integrated structure between fuel feed pipe.In integrated structure between this cylinder head and fuel feed pipe
, described fuel feed pipe has conveying tube body and mounting flange, shape on mounting flange
Become to have multiple installation through hole, described cylinder head is provided with and the plurality of installation through hole phase
Corresponding, for installing multiple installation boss of described fuel feed pipe, by from each described peace
Dress through hole is screwed into the bolt in each self-corresponding described installation boss, and described fuel oil carries
Pipe is installed in described cylinder head, it is characterised in that: it is provided with at least in described cylinder head
One support boss, this support boss offsets with the mounting flange of described fuel feed pipe
Connect.
Based on the integrated structure between above-mentioned cylinder head of the present utility model and fuel feed pipe, due to
Cylinder head is provided with the support that at least one mounting flange with fuel feed pipe abuts against
With boss, so, the mounting flange of fuel feed pipe is supported, and fuel feed pipe is not allowed
Easily deform towards cylinder head curving.
It addition, in integrated structure between above-mentioned cylinder head of the present utility model and fuel feed pipe,
Preferably, described mounting flange is configured to, on the outer wall of described conveying tube body along
The length direction of this conveying tube body be wall-like extend, the plurality of installation through hole is described
Form a line at spaced intervals on mounting flange, described support boss be configured in corresponding to
Between multiple installation boss that the plurality of installation through hole ground is arranged.Based on this structure, by
It is arranged between installation boss in support boss, so, the installation usage of fuel feed pipe
The part that on orchid, strength ratio is relatively low is supported, it is thus possible to more effectively suppression fuel feed pipe becomes
Shape.
Accompanying drawing explanation
Fig. 1 is between cylinder head and the fuel feed pipe representing a kind of embodiment of the present utility model
The summary front view of integrated structure.
Fig. 2 is the fragmentary sectional view of the Section A-A in Fig. 1.
Fig. 3 is the fragmentary sectional view of the section B-B in Fig. 1.
Fig. 4 is the summary representing the integrated structure between the cylinder head of prior art and fuel feed pipe
Front view.
Detailed description of the invention
Hereinafter, referring to the drawings embodiment of the present utility model is illustrated.
In present embodiment, apply structure of the present utility model with the cylinder head to vehicular engine
As a example by illustrate.
Between the cylinder head 1 of present embodiment shown in Fig. 1 and fuel feed pipe, the combination between 20 is tied
The summary of structure is constituted.As it is shown in figure 1, on the air inlet side of cylinder head 1, four air inlet 11 edges
The long side direction of cylinder head 1 is arranged in cylinder head 1 with forming a line.At these air inlets 11
Lower section be provided with fuel feed pipe 20.The length direction of fuel feed pipe 20 and air inlet 11
Orientation parallel.
Fuel feed pipe 20 possesses, for carrying the conveying tube body 21 of fuel oil and for inciting somebody to action
The mounting flange 22 that conveying tube body 21 is arranged in cylinder head 1.Mounting flange 22 quilt
It is configured to, along the length direction of this conveying tube body 21 on the outer wall of conveying tube body 21
Extend in wall-like, there is Rack.This mounting flange 22 is formed four installations
With through hole 23, these installation through holes 23 form a line at spaced intervals.
Meanwhile, in cylinder head 1, the lower section of air inlet 11 is provided with for installing fuel oil conveying
Four installation boss 12 of pipe 20.These are installed by boss 12 and shape on fuel feed pipe 20
Installation through hole 23 interval accordingly become forms a line.
The mounting flange 22 of fuel feed pipe 20 is so that each installation uses through hole 23 and cylinder head 1
On the state alignd one to one of each installation boss 12 be superimposed on each installation boss 12.
Then, as shown in Figure 2, by being screwed into installation below from each installation through hole 23
With the bolt 31 in boss 12, the mounting flange 22 of fuel feed pipe 20 is fixedly connected at
In cylinder head 1.
It addition, as it is shown in figure 1, on the conveying tube body 21 of fuel feed pipe 20, arrange
Have at it towards four connecting portions 24 of the tube wall upper shed of cylinder head 1 side.These connecting portions
24 are configured to, spaced at intervals and the most corresponding with an air inlet 11.
Each air inlet 11 is provided with a fuel injector 40.Each fuel injector 40 quilt
Being set to, its one end is inserted in the conveying tube body 21 of fuel feed pipe 20 from connecting portion 24
Portion；The installing hole that its other end is arranged from corresponding air inlet 11 is inserted into this air inlet 11
Internal.
The fuel oil of electromotor is arranged from fuel feed pipe 20 by fuel pump (not shown)
Fuel oil introducing port 25 is admitted in the conveying tube body 21 of fuel feed pipe 20, then, passes through
With conveying each fuel injector 40 of connecting of tube body 21 and be injected into inside each air inlet 11.
In said structure, owing to the back side of the mounting flange 22 at fuel feed pipe 20 is propped up
Support the installation boss 12 of this mounting flange 22 corresponding to the shape of fuel injector 40 and
There is certain length, so, in axial (Z-direction) of bolt 31, fuel feed pipe
Spacing is had between 20 and cylinder head 1.Further, due to the mounting flange to fuel feed pipe 20
22 bolts 31 carrying out fastening the most also have spacing.So, if putting in z-direction
The load of fuel feed pipe 20 is relatively big, then fuel feed pipe 20 is likely to cylinder head 1 side
(Z-direction) flexural deformation.
To this, in present embodiment, as it is shown in figure 1, be provided with a use in cylinder head 1
In the support boss 13 supporting mounting flange 22.This support boss 13 is arranged in spacing
Two maximum installation centres of boss 12.As it is shown on figure 3, this support boss 13 quilt
It is configured to cylindric, there is the installation usage enabling its front end face to abut to fuel feed pipe 20
The length at the back side of blue 22.
Based on this structure, owing to support boss 13 is at bigger two the installation boss of spacing
The intermediate supports of 12 mounting flange 22, thus, even if it is defeated to put on fuel oil in z-direction
Sending the load F (with reference to Fig. 3) of pipe 20 relatively big, fuel feed pipe 20 is also not easy to Z-direction
Flexural deformation.
Thus, the combination between above-mentioned cylinder head 1 based on present embodiment and fuel feed pipe 20
Structure, even if in the case of make fuel feed pipe 20 bear bigger load because of vehicle collision,
Also it is avoided that fuel feed pipe 20 deforms caused fuel leakage.
In above-mentioned embodiment, between two middle installation boss 12, it is being provided with one
Individual support boss 13, but this utility model is not limited to this, it is also possible to and the installation at other is used
Support boss 13 is set between boss 12, and, it is also possible at two installation boss 12
Between plural support boss 13 is set.Furthermore it is also possible at other of cylinder head 1
Position arranges support boss 13, as long as set support boss 13 can support fuel oil conveying
The mounting flange 22 of pipe 20.
It addition, in the above-described embodiment, support boss 13 is configured to cylindrical shape, but props up
The shape of support boss 13 is not limited to this, as long as the installation that can support fuel feed pipe 20 is used
Flange 22, can be arbitrary shape, such as mesa-shaped, frame-like etc..
Claims (2)
1. the integrated structure between cylinder head and fuel feed pipe, described fuel feed pipe has
Conveying tube body and mounting flange, be formed with multiple installation through hole on mounting flange,
It is provided with corresponding with the plurality of installation through hole, for installing described combustion in described cylinder head
Multiple installation boss of oil conveying pipe, the most right by being screwed into from each described installation through hole
Bolt in the described installation boss answered, described fuel feed pipe is installed in described cylinder head
On, it is characterised in that:
Described cylinder head is provided with at least one support boss, this support boss and institute
The mounting flange stating fuel feed pipe abuts against.
2. the integrated structure between cylinder head and fuel feed pipe as claimed in claim 1, it is special
Levy and be:
Described mounting flange is configured to, defeated along this on the outer wall of described conveying tube body
Send the length direction of tube body be wall-like extend, the plurality of installation through hole is in described installation
Forming a line at spaced intervals with on flange, described support boss is configured in corresponding to described
Between multiple installation boss that multiple installation through holes ground is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620521343.7U CN205779285U (en) | 2016-06-01 | 2016-06-01 | Integrated structure between cylinder head and fuel feed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620521343.7U CN205779285U (en) | 2016-06-01 | 2016-06-01 | Integrated structure between cylinder head and fuel feed pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779285U true CN205779285U (en) | 2016-12-07 |
Family
ID=58137038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620521343.7U Active CN205779285U (en) | 2016-06-01 | 2016-06-01 | Integrated structure between cylinder head and fuel feed pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107420A (en) * | 2018-02-01 | 2019-08-09 | 丰田自动车株式会社 | Internal combustion engine |
| JP7481385B2 (en) | 2022-03-25 | 2024-05-10 | ダイハツ工業株式会社 | cylinder head |
-
2016
- 2016-06-01 CN CN201620521343.7U patent/CN205779285U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107420A (en) * | 2018-02-01 | 2019-08-09 | 丰田自动车株式会社 | Internal combustion engine |
| JP7481385B2 (en) | 2022-03-25 | 2024-05-10 | ダイハツ工業株式会社 | cylinder head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |