CN218407641U - Engine intake duct flange connection structure - Google Patents
Engine intake duct flange connection structure Download PDFInfo
- Publication number
- CN218407641U CN218407641U CN202221898139.9U CN202221898139U CN218407641U CN 218407641 U CN218407641 U CN 218407641U CN 202221898139 U CN202221898139 U CN 202221898139U CN 218407641 U CN218407641 U CN 218407641U
- Authority
- CN
- China
- Prior art keywords
- flange
- rhombus
- rubber
- fixed connection
- intake pipe
- 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.)
- Active
Links
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to an engine device field discloses an engine intake duct flange joint structure, including air inlet and main intake pipe, the bottom fixed connection of main intake pipe is on the upper end right side of vice intake pipe, the equal fixed connection in bottom of vice intake pipe is on a plurality of sheathed tube inner wall, the equal fixed connection in sheathed tube bottom is at the upper end middle part of first rhombus flange, the lower extreme of first rhombus flange all is provided with second rhombus flange, the bottom of second rhombus flange is fixed connection in the upper end of connection pad respectively, the first block rubber of the equal fixedly connected with in bottom of first rhombus flange, the equal fixedly connected with second block rubber in upper end of second rhombus flange. The utility model discloses in, make star lake extrusion between first block rubber and the second block rubber with first rhombus flange and second rhombus flange and connection pad fixed connection through the second bolt, increase the gas tightness of first rhombus flange and second rhombus flange joint department.
Description
Technical Field
The utility model relates to an engine device field especially relates to an engine intake duct flange joint structure.
Background
The air inlet channel is the last part of an air inlet system of an automobile engine, the head and the tail of the air inlet channel are respectively connected with an air inlet manifold and a combustion chamber, a switch is controlled by an air inlet valve, the air inlet channel is a passage for sending air into each cylinder of the engine and plays a role in guiding air flow direction, the structural characteristics of the air inlet channel have important influence on performance parameters of the engine, such as power, oil consumption, torque, emission and the like, although all types of engines have the air inlet channel, the air inlet channel has obvious influence on the mixing of air and fuel for a gasoline engine, and piston bowls also play the same role in a diesel engine.
At present, the air inlet channel and the flange connecting structure of most automobile engines are manufactured by adopting cast aluminum alloy materials and then are connected through bolts, and due to long-time operation, the bolts are easy to loosen, so that the air tightness of the connecting part is reduced, the air inlet effect of the air inlet channel of the automobile engine is reduced, and a structure for increasing the air tightness of the flange connecting part of the air inlet channel of the engine needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the engine intake duct flange joint structure who proposes prevents that automobile engine's intake duct flange department from producing the condition of gas leakage, increases flange's gas tightness.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an engine intake duct flange connection structure comprises an air inlet and a main intake duct, wherein a first circular flange is fixedly connected to the middle of the left side of the air inlet, a second circular flange is fixedly connected to the right end of the main intake duct, the first circular flange is fixedly connected with the second circular flange through a first bolt, the bottom end of the main intake duct is fixedly connected to the right side of the upper end of an auxiliary intake duct, the bottom ends of the auxiliary intake ducts are fixedly connected to the inner walls of a plurality of sleeves, the bottom ends of the sleeves are fixedly connected to the middle of the upper end of a first rhombic flange, the lower end of the first rhombic flange is provided with a second rhombic flange, and the bottom ends of the second rhombic flanges are respectively and fixedly connected to the upper end of a connection disc;
through above-mentioned technical scheme, through first bolt with first circular flange and the circular flange fixed connection of second, make air inlet and main intake pipe interconnect, be convenient for installation and dismantlement maintenance.
Furthermore, the left side and the right side of the upper end of the first rhombic flange are both provided with a first threaded hole, the bottom end of the first rhombic flange is both fixedly connected with a first rubber block, the middle part of the bottom end of the first rubber block is both fixedly connected with a rubber ring, the left side and the right side of the upper end of the second rhombic flange are both provided with a second threaded hole, the upper end of the second rhombic flange is both fixedly connected with a second rubber block, and the middle part of the upper end of the second rhombic flange is both provided with a connecting groove;
through above-mentioned technical scheme, the second bolt of being convenient for passes through first screw hole and second rhombus flange joint, and first block rubber is convenient for increase the gas tightness simultaneously, makes the second bolt pass through first screw hole and second screw hole threaded connection, makes first rhombus flange and second rhombus flange joint.
Furthermore, the left side and the right side of the upper ends of the first rubber block and the second rubber block are both provided with a first round hole, and the middle parts of the upper ends of the first rubber block and the second rubber block are both provided with a second round hole;
through above-mentioned technical scheme, first round hole is convenient for the second bolt to pass through.
Furthermore, the first rubber block, the second rubber block and the rubber ring are all made of nitrile rubber, and the bottom end of the rubber ring is clamped with the connecting groove;
through above-mentioned technical scheme, through rubber circle and spread groove block, make the intake duct when admitting air, the gas tightness of junction is tight, and difficult gas leakage adopts the butadiene acrylonitrile rubber material, when increasing compliance and being convenient for extrusion deformation laminating, increases corrosion-resistant and wear-resisting degree.
Furthermore, a plurality of open holes are formed in the upper end of the connecting disc at equal intervals, a plurality of open grooves are formed in the front side and the rear side of the upper end of the connecting disc at equal intervals, and mounting threads are formed in the inner walls of the open grooves;
through above-mentioned technical scheme, make second bolt and fluting threaded connection through the installation screw thread.
Furthermore, the left side and the right side of the upper end of the first rhombic flange are respectively in threaded connection with the upper end of the outer side of the second bolt through a first threaded hole, the middle lower end of the outer side of the second bolt is respectively in threaded connection with the second rhombic flange through a second threaded hole, and the bottom end of the second bolt is respectively in threaded connection with the inside of the open groove through a mounting thread;
through above-mentioned technical scheme, be convenient for installation and dismantlement, simple structure easily operates simultaneously, increases practical efficiency.
The utility model discloses following beneficial effect has:
the utility model discloses in, at first through first bolt with first circular flange and the circular flange fixed connection of second, make air inlet and main intake pipe interconnect, then be connected the fluting that sets up on first rhombus flange and second rhombus flange and the connection pad through the second bolt, under the effect of second bolt, the second rubber block that makes first rubber block and the second rhombus flange upper end that first rhombus flange lower extreme set up extrudees each other, rubber circle and the mutual block of spread groove simultaneously, make the junction between first rhombus flange and the second rhombus flange laminate each other, increase the gas tightness, prevent that the gas tightness from not strictly leading to the effect of admitting air of automobile engine intake duct to descend.
Drawings
Fig. 1 is a front side structural front view of an engine inlet flange connection structure provided by the present invention;
fig. 2 is a structural view of the upper portion of the front side of a connecting disc of a flange connection structure of an engine inlet duct provided by the present invention;
fig. 3 is a front side structure diagram of a connector of a flange connection structure of an engine inlet duct provided by the present invention;
fig. 4 is a first rhombus flange front side structure diagram of the engine inlet flange connection structure provided by the utility model;
fig. 5 is the utility model provides a first rhombus flange front side structure elevation of engine intake duct flange joint structure.
Illustration of the drawings:
1. an air inlet; 2. a first circular flange; 3. a main air inlet pipe; 4. a second circular flange; 5. a first bolt; 6. an auxiliary air inlet pipe; 7. a first diamond-shaped flange; 8. a second diamond-shaped flange; 9. a second bolt; 10. A connecting disc; 11. a sleeve; 12. a first threaded hole; 13. a first rubber block; 14. a second rubber block; 15. a first circular hole; 16. a second circular hole; 17. a rubber ring; 18. connecting grooves; 19. a second threaded hole; 20. opening a hole; 21. slotting; 22. and (5) installing threads.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides an engine intake duct flange joint structure, including air inlet 1 and main intake pipe 3, the first circular flange 2 of left side middle part fixedly connected with of air inlet 1, the right-hand member fixedly connected with second circular flange 4 of main intake pipe 3, first circular flange 2 is through first bolt 5 and 4 fixed connection of second circular flange, the bottom fixed connection of main intake pipe 3 is on the upper end right side of auxiliary intake pipe 6, the equal fixed connection in bottom of auxiliary intake pipe 6 is on a plurality of sleeve pipe 11's inner wall, the equal fixed connection in bottom of sleeve pipe 11 is at the upper end middle part of first rhombus flange 7, the lower extreme of first rhombus flange 7 all is provided with second rhombus flange 8, the bottom difference fixed connection of second rhombus flange 8 is in the upper end of connection pad 10, through first bolt 5 with first circular flange 2 and the circular flange 4 fixed connection of second, make air inlet 1 and main intake pipe 3 interconnect, be convenient for installation and dismantlement maintenance, be applicable to the flange joint structure of an engine intake duct.
All be provided with first screw hole 12 on the left and right sides of the upper end of first rhombus flange 7, the equal fixedly connected with first block rubber 13 in bottom of first rhombus flange 7, the equal fixedly connected with rubber circle 17 in bottom middle part of first block rubber 13, be convenient for second bolt 9 is connected with second rhombus flange 8 through first screw hole 12, first block rubber 13 is convenient for increase the gas tightness simultaneously, the upper end left and right sides of second rhombus flange 8 all is provided with second screw hole 19, the equal fixedly connected with second block rubber 14 in upper end of second rhombus flange 8, the upper end middle part of second rhombus flange 8 all is provided with spread groove 18, make second bolt 9 through first screw hole 12 and second screw hole 19 threaded connection, make first rhombus flange 7 be connected with second rhombus flange 8.
The left and right sides of the upper ends of the first rubber block 13 and the second rubber block 14 are provided with first round holes 15, the middle parts of the upper ends of the first rubber block 13 and the second rubber block 14 are provided with second round holes 16, the first round holes 15 are convenient for the second bolt 9 to pass through, the first rubber block 13, the second rubber block 14 and the rubber ring 17 are made of nitrile rubber, the bottom end of the rubber ring 17 is clamped with a connecting groove 18, the air inlet channel is enabled to be in air inlet through clamping of the rubber ring 17 and the connecting groove 18, the air tightness of the joint is tight, air leakage is not easy to occur, the nitrile rubber is adopted, softness is increased, extrusion deformation and lamination are convenient, corrosion resistance and wear resistance are increased, the upper end of the connecting disc 10 is provided with a plurality of open holes 20 at equal intervals on the front and rear sides of the upper end of the connecting disc 10, mounting threads 22 are arranged on the inner wall of the opening 21, the second bolts 9 are in threaded connection with the opening 21 through the mounting threads 22, the left and right sides of the upper end of the first diamond-shaped flange 7 are respectively in threaded connection with the outer side of the second bolt 9 through threads 12, the lower end of the second bolt 9 and the lower end of the second bolt 9, the lower end of the diamond-shaped flange 9, the lower end of the flange is respectively through the second bolt 9, the simple mounting threads, the simple mounting structure and the simple mounting structure, and the simple mounting efficiency through simple mounting structure.
The working principle is as follows: first circular flange 2 and second circular flange 4 fixed connection are firstly made through first bolt 5, make air inlet 1 and main intake pipe 3 interconnect, then through second bolt 9 with first rhombus flange 7 and second rhombus flange 8 with connect pad 10 on the fluting 21 that sets up be connected, under the effect of second bolt 9, make first rubber block 13 that first rhombus flange 7 lower extreme set up and second rubber block 14 that second rhombus flange 8 upper end set up extrude each other, rubber circle 17 and spread groove 18 block each other simultaneously, make the junction between first rhombus flange 7 and the second rhombus flange 8 laminate each other.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an engine intake duct flange joint structure, includes air inlet (1) and main intake pipe (3), its characterized in that: the utility model discloses a gas inlet pipe, including air inlet (1), the left side of air inlet (1), the first circular flange of left side middle part fixedly connected with (2), the right-hand member fixedly connected with second circular flange (4) of main intake pipe (3), first circular flange (2) are through first bolt (5) and second circular flange (4) fixed connection, the bottom fixed connection of main intake pipe (3) is on the upper end right side of vice intake pipe (6), the equal fixed connection in bottom of vice intake pipe (6) is on the inner wall of a plurality of sleeve pipe (11), the equal fixed connection in upper end middle part of first rhombus flange (7) in bottom of sleeve pipe (11), the lower extreme of first rhombus flange (7) all is provided with second rhombus flange (8), the bottom of second rhombus flange (8) is fixed connection in the upper end of connection pad (10) respectively.
2. The engine inlet duct flange connection structure of claim 1, characterized in that: the utility model discloses a diamond flange, including first rhombus flange (7), first threaded hole (12) all are provided with on the upper end left and right sides of first rhombus flange (7), the first rubber block of the equal fixedly connected with in bottom (13) of first rhombus flange (7), the equal fixedly connected with rubber circle (17) in bottom middle part of first rubber block (13), the upper end left and right sides of second rhombus flange (8) all is provided with second threaded hole (19), the equal fixedly connected with second rubber block (14) in upper end of second rhombus flange (8), the upper end middle part of second rhombus flange (8) all is provided with spread groove (18).
3. The engine inlet duct flange connection structure of claim 2, characterized in that: the left side and the right side of the upper end of the first rubber block (13) and the second rubber block (14) are provided with first round holes (15), and the middle parts of the upper ends of the first rubber block (13) and the second rubber block (14) are provided with second round holes (16).
4. The engine inlet flange connection structure of claim 2, wherein: first block rubber (13), second block rubber (14) and rubber circle (17) all adopt the nitrile rubber material, the bottom and the spread groove (18) block of rubber circle (17).
5. The engine inlet flange connection structure of claim 1, characterized in that: the upper end equidistance of connection pad (10) is provided with a plurality of trompil (20), the equal distance in side is provided with a plurality of fluting (21) around connection pad (10) upper end, all be provided with installation screw thread (22) on the inner wall of fluting (21).
6. The engine inlet flange connection structure of claim 1, characterized in that: the left side and the right side of the upper end of the first rhombic flange (7) are respectively connected to the upper end of the outer side of the second bolt (9) through a first threaded hole (12) in a threaded manner, the middle lower end of the outer side of the second bolt (9) is respectively connected to the second rhombic flange (8) through a second threaded hole (19) in a threaded manner, and the bottom end of the second bolt (9) is connected to the inside of the groove (21) through a mounting thread (22) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221898139.9U CN218407641U (en) | 2022-07-22 | 2022-07-22 | Engine intake duct flange connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221898139.9U CN218407641U (en) | 2022-07-22 | 2022-07-22 | Engine intake duct flange connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218407641U true CN218407641U (en) | 2023-01-31 |
Family
ID=85013014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221898139.9U Active CN218407641U (en) | 2022-07-22 | 2022-07-22 | Engine intake duct flange connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218407641U (en) |
-
2022
- 2022-07-22 CN CN202221898139.9U patent/CN218407641U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9032914B2 (en) | Intake system for internal combustion engine | |
| CN116529467A (en) | Exhaust manifold having turbine connector with turbine feet | |
| CN218407641U (en) | Engine intake duct flange connection structure | |
| CN209855894U (en) | Exhaust manifold of electric control EGR diesel engine | |
| US6038855A (en) | Collector device for the primary pipes of an exhaust manifold | |
| CN216111067U (en) | Air inlet pipe of engine | |
| CN213478456U (en) | Exhaust pipe structure and engine | |
| CN212225381U (en) | Engine supercharger pressure relief system | |
| US7966986B2 (en) | Cylinder head | |
| JP4778311B2 (en) | Multi-cylinder engine | |
| CN208502917U (en) | A kind of hydraulic crawler excavator exhaust injection device | |
| CN211500838U (en) | Connecting piece, engine assembly and vehicle provided with engine assembly | |
| US9033346B2 (en) | Gasket for vehicle | |
| CN201953494U (en) | Engine cylinder head | |
| CN213270038U (en) | Engine | |
| CN220869508U (en) | Exhaust manifold, engine and vehicle | |
| CN111577494A (en) | Intake manifold with waste gas inlet hole | |
| CN216381589U (en) | Pulse exhaust manifold assembly | |
| CN216306074U (en) | Compression-ignition two-stroke aviation piston engine and air passage thereof | |
| CN219638930U (en) | Exhaust manifold of integrated exhaust gas recirculation passageway | |
| CN215057651U (en) | Air inlet structure of crankcase ventilation system, engine and automobile | |
| CN215256472U (en) | Single-cylinder double-valve engine of pedal motorcycle | |
| CN108644036A (en) | A kind of V-type EGR engine multichannel exhaust gas attachment device | |
| CN214196513U (en) | V type engine intake pipe structure | |
| CN111022149B (en) | Crankcase oil gas treatment mechanism and engine provided with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |