CN209228506U - A kind of gas engine inlet pipe connection - Google Patents
A kind of gas engine inlet pipe connection Download PDFInfo
- Publication number
- CN209228506U CN209228506U CN201920004873.8U CN201920004873U CN209228506U CN 209228506 U CN209228506 U CN 209228506U CN 201920004873 U CN201920004873 U CN 201920004873U CN 209228506 U CN209228506 U CN 209228506U
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- air inlet
- inlet tube
- bent portion
- inlet pipe
- pipe connection
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Abstract
The utility model discloses a kind of gas engine inlet pipe connections, including air inlet tube, one end of the air inlet tube is equipped with the bent portion of downward crankle setting, the outside of the bent portion is equipped with connecting branch, the connecting branch is equipped with the flange seat of installation anti-surge valve, the front side of the air inlet tube is equipped with gas vent, the top of the air inlet tube is equipped with the mounting terminal of installation flow sensor, the mounting terminal is equipped with spliced eye compatible with the plug division of flow sensor, the side of the mounting terminal is equipped with fixation hole, the top of the mounting terminal is equipped with mounting bracket close to one end of the bent portion, the lower part of the mounting bracket is equipped with attachment base, the attachment base is equipped with multiple long through-holes, the top of the mounting bracket is equipped with the vertical plate of installation differential pressure pickup.The gas engine inlet pipe connection of the utility model, is fixed conveniently, compact-sized, and integration is high, and damping effect is more preferable, and structure arrangement is neat, convenient later maintenance.
Description
Technical field
The utility model relates to engine accessory power rating technical fields, more specifically, it relates to a kind of gas engine air inlet
Connecting tube.
Background technique
A part that gas will be discharged for automobile engine after combustion for exhaust gas recirculatioon, which separates and imports air inlet side, to be made
Its technology burnt once again has the flow of differential pressure pickup component detection waste gas circulation in gas machine exhaust gas recirculatioon.
Gas engine anti-surge valve is the device for preventing centrifugal gas compressor from occurring surge phenomenon generation at work,
It is also a protective device of turbocharged engine, finally prevents component of turbo-charger from generating accelerated wear test and fatigue.Hair
Motivation inlet pipe connection is the connecting component among intercooler and air inlet pipe, and the air after main function is cold by introduces air inlet pipe
In.Pressure difference sensing device assembly is arranged in exhaust gas recycling system, and vehicle is in operation frequent vibration, it is desirable that pressure difference sensing device assembly
It is firm to arrange, design specialized bracket occupied space is big at present, and Assembling Production beat is slow.Anti-surge valve be fixed at present engine into
On air pipe, a large amount of space in engine charge side is generally taken up.Engine charge connecting tube is usually all that flange face connection is solid
Fixed, vehicle connector is outer, and arrangement is not compact.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the purpose of this utility model is
It provides one kind be fixed conveniently, be compact-sized, the high gas engine inlet pipe connection of integration.
To achieve the above object, the utility model provides a kind of gas engine inlet pipe connection, including air inlet tube,
One end of the air inlet tube is equipped with the bent portion of downward crankle setting, and the outside of the bent portion is equipped with connecting branch, described
Connecting branch is equipped with the flange seat of installation anti-surge valve, and the front side of the air inlet tube is equipped with gas vent, the air inlet tube
Top be equipped with the mounting terminal of installation flow sensor, the mounting terminal is equipped with mutually fits with the plug division of flow sensor
The side of the spliced eye matched, the mounting terminal is equipped with fixation hole, and the top of the mounting terminal is close to the one of the bent portion
End is equipped with mounting bracket, and the lower part of the mounting bracket is equipped with attachment base, and the attachment base is equipped with multiple long through-holes, the peace
The top for filling bracket is equipped with the vertical plate of installation differential pressure pickup.
Further, the axis of the connecting branch is overlapped with the axis of air inlet tube.
Further, air outlet adapter is installed on the gas vent.
As a further improvement, the rear side of the attachment base is equipped with the positioning surface connecting with engine body, the company
Joint chair is the link block being connected with the air inlet tube, bent portion and connecting branch, the close air inlet on the attachment base
The top of adapter tube and bent portion is set there are two the long through-hole being arranged, and the lower end on the attachment base close to the connecting branch is equipped with
One long through-hole.
Further, the vertical plate is vertical at the rear side of the link block, and the top of the vertical plate is equipped with installation pressure
The mounting hole of gap sensor.
Further, the rear side of the attachment base and vertical plate is equipped with hollow structure.
Further, the outside of the bent portion is equipped with sensor harness fixing terminal.
Beneficial effect
Compared with prior art, the gas engine inlet pipe connection of the utility model has the beneficial effect that: this combustion gas
Engine charge connecting tube, original end face is connected and fixed be changed to side with start to connect, fixation it is more convenient, increase pressure difference
Sensor module fixes bracket, anti-surge valve connector, air flow sensor connector, compact-sized, and integration is high；Air inlet
The structure for the installation anti-surge valve being arranged on adapter tube enters anti-surge valve convenient for air and carries out damping, and damping effect is more preferable；Guarantee
The arrangement of enging cabin is neat, convenient later maintenance.
Detailed description of the invention
Fig. 1 is the structural front view of the gas engine inlet pipe connection of the utility model；
Fig. 2 is the structure top view of the gas engine inlet pipe connection of the utility model；
Fig. 3 is the structure right view of the gas engine inlet pipe connection of the utility model；
Fig. 4 is the structure rearview of the gas engine inlet pipe connection of the utility model；
Fig. 5 is the Standard schematic diagram of the gas engine inlet pipe connection of the utility model.
In figure: 1, air inlet tube；2, bent portion；3, flange seat；4, connecting branch；5, gas vent；6, mounting terminal；601,
Spliced eye；602, fixation hole；7, mounting bracket；701, attachment base；702, long through-hole；703 vertical plates；704, mounting hole；8, pressure difference
Sensor；9, flow sensor；10, anti-surge valve；11, air outlet adapter；12, sensor harness fixing terminal.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Specific embodiment of the present utility model is such that as shown in Figs. 1-5, a kind of gas engine air inlet connection
Pipe, including air inlet tube 1, one end of air inlet tube 1 are equipped with the bent portion 2 of downward crankle setting, and the outside of bent portion 2, which is equipped with, to be connected
Branch pipe 4 is connect, connecting branch 4 is equipped with the flange seat 3 of installation anti-surge valve 10, and the front side of air inlet tube 1 is equipped with gas vent 5, into
The top of gas adapter tube 1 is equipped with the mounting terminal 6 of installation flow sensor 9, and mounting terminal 6 is equipped with locating flange end face, installation
Terminal 6 is equipped with spliced eye 601 compatible with the plug division of flow sensor 9, and the side of mounting terminal 6 is equipped with fixation hole
602, so that flow sensor 9 is quickly plugged on air inlet tube 1 and is adapted by screw with fixation hole 602 and be fixed, pacifies
The top for filling terminal 6 is equipped with mounting bracket 7 close to one end of bent portion 2, and the lower part of mounting bracket 7 is equipped with attachment base 701, connection
Seat 701 is equipped with multiple long through-holes 702, and the top of mounting bracket 7 is equipped with the vertical plate 703 of installation differential pressure pickup 8；This combustion gas hair
In motivation inlet pipe connection, air inlet tube 1 by mounting bracket 7 and engine body progress it is laterally attached, mounting bracket 7 it is interior
Side is fitted and connected with engine；Mounting terminal 6 is located at the outside of air inlet tube 1, and the center line of spliced eye 601 is directed inclined upwardly；
Gas vent 5 and multiple long through-holes 702 are extended to horizontal direction, convenient for positioning the finishing for carrying out hole simultaneously；Connecting branch 4
Outside horizontal extension setting at 2 crankle of bent portion, the air inlet of anti-surge valve 10 and the inlet channel of air inlet tube 1 are flat
Row enters anti-surge valve 10 convenient for air and carries out damping, anti-surge valve 10 is arranged close to bent portion 2, and total design is tight
It gathers, occupies little space, integration is high.
In the present embodiment, the axis of connecting branch 4 is overlapped with the axis of air inlet tube 1, arrives air in air inlet tube 1
When up to bent portion 2, it can be fed rapidly into connecting branch 4, carry out damping, good damping effect into anti-surge valve 10.
In the present embodiment, air outlet adapter 11 is installed on gas vent 5, air outlet adapter 11 is mounted on air inlet tube 1
Outside, convenient for exhaust and installation exhaust pipeline section.
In the present embodiment, gas vent 5 is thread pore structure, is connected through a screw thread with air outlet adapter 11, convenient for disassembly and assembly, just
In later maintenance.
In the present embodiment, the rear side of attachment base 701 is equipped with the positioning surface connecting with engine body, and attachment base 701 is
The link block being connected with air inlet tube 1, bent portion 2 and connecting branch 4, close to air inlet tube 1 and bent portion on attachment base 701
2 top is set there are two the long through-hole 702 being arranged, that is, the arc top of air inlet tube 1 is arranged in；Close to connection branch on attachment base 701
The lower end of pipe 4 is equipped with a long through-hole 702, which is located at the junction of connecting branch 4 and bent portion 2；Pass through three spiral shells
Entire inlet pipe connection is securely connect by bolt with engine, and three bolts are located to be arranged close to bent portion 2, is located at entire air inlet and is connected
The position of centre of gravity of adapter tube, fixed reliable, link block and vertical plate 703 are integrally connected with air inlet tube 1, connecting branch 4, structural strength
Height, rigidity is good, and manufacture is easy.
In the present embodiment, vertical plate 703 is vertical at the rear side of link block, and the top of vertical plate 703 is equipped with installation pressure difference and passes
The mounting hole 704 of sensor 8, resigning mouthful is equipped between vertical plate 703 and attachment base 701 for installing differential pressure pickup 8 makes pressure difference
Sensor 8 is set to the surface of air inlet tube 1, compact-sized, occupies little space, convenient for the arrangement of inlet pipe connection.
In the present embodiment, the rear side of attachment base 701 and vertical plate 703 be equipped with hollow structure, reduce materials'use, save at
Originally, weight is reduced, and can be effectively reduced and the risks such as stress concentration occurs when integrated molding is cast and cracks, guarantees system
Quality is made, yield rate is improved.
In the present embodiment, the outside of bent portion 2 is equipped with sensor harness fixing terminal 12, sensor harness fixing terminal
Mounting hole on 12 is parallel with long through-hole 702, the setting of sensor harness fixing terminal 12 in the outside of bent portion 2, convenient for harness with
The harness of differential pressure pickup 8, flow sensor 9 and anti-surge valve 10, which is concentrated, to be fixed, and sensor harness is made to be fixed on air inlet company
The outside of adapter tube guarantees that the harness arrangement in enging cabin is neat, prevents harness from running helter-skelter, be convenient for later maintenance.
Above are merely preferred embodiments of the utility model, it should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, it is practical new that these all will not influence this
The effect and patent practicability that type is implemented.
Claims (7)
1. a kind of gas engine inlet pipe connection, including air inlet tube (1), which is characterized in that the one of the air inlet tube (1)
End is equipped with the bent portion (2) of downward crankle setting, and the outside of the bent portion (2) is equipped with connecting branch (4), the connecting branch
(4) it is equipped with the flange seat (3) of installation anti-surge valve (10), the front side of the air inlet tube (1) is equipped with gas vent (5), described
The top of air inlet tube (1) is equipped with the mounting terminal (6) of installation flow sensor (9), and the mounting terminal (6) is equipped with and stream
The side of the compatible spliced eye in plug division (601) of quantity sensor (9), the mounting terminal (6) is equipped with fixation hole (602),
The top of the mounting terminal (6) is equipped with mounting bracket (7) close to one end of the bent portion (2), the mounting bracket (7)
Lower part be equipped with attachment base (701), the attachment base (701) be equipped with multiple long through-holes (702), the mounting bracket (7) it is upper
Portion is equipped with the vertical plate (703) of installation differential pressure pickup (8).
2. a kind of gas engine inlet pipe connection according to claim 1, which is characterized in that the connecting branch (4)
Axis be overlapped with the axis of air inlet tube (1).
3. a kind of gas engine inlet pipe connection according to claim 1, which is characterized in that on the gas vent (5)
Air outlet adapter (11) are installed.
4. a kind of gas engine inlet pipe connection according to claim 1, which is characterized in that the attachment base (701)
Rear side be equipped with the positioning surface that connect with engine body, the attachment base (701) for and the air inlet tube (1), bent portion
(2) and the connected link block of connecting branch (4), close to the air inlet tube (1) and bent portion on the attachment base (701)
(2) top sets that there are two the long through-holes (702) being arranged, close to the lower end of the connecting branch (4) on the attachment base (701)
Equipped with a long through-hole (702).
5. a kind of gas engine inlet pipe connection according to claim 4, which is characterized in that the vertical plate (703) is hung down
It is directly set to the rear side of the link block, the top of the vertical plate (703) is equipped with the mounting hole (704) of installation differential pressure pickup (8).
6. a kind of gas engine inlet pipe connection according to claim 5, which is characterized in that the attachment base (701)
And the rear side of vertical plate (703) is equipped with hollow structure.
7. a kind of gas engine inlet pipe connection according to claim 1, which is characterized in that the bent portion (2)
Outside is equipped with sensor harness fixing terminal (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004873.8U CN209228506U (en) | 2019-01-03 | 2019-01-03 | A kind of gas engine inlet pipe connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004873.8U CN209228506U (en) | 2019-01-03 | 2019-01-03 | A kind of gas engine inlet pipe connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228506U true CN209228506U (en) | 2019-08-09 |
Family
ID=67510101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920004873.8U Active CN209228506U (en) | 2019-01-03 | 2019-01-03 | A kind of gas engine inlet pipe connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761775A (en) * | 2021-01-14 | 2021-05-07 | 东风商用车有限公司 | Anti-surge gas engine pressurization system |
-
2019
- 2019-01-03 CN CN201920004873.8U patent/CN209228506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761775A (en) * | 2021-01-14 | 2021-05-07 | 东风商用车有限公司 | Anti-surge gas engine pressurization system |
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