CN106274448B - Air inlet system on front engine passenger car - Google Patents

Air inlet system on front engine passenger car Download PDF

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Publication number
CN106274448B
CN106274448B CN201610788838.0A CN201610788838A CN106274448B CN 106274448 B CN106274448 B CN 106274448B CN 201610788838 A CN201610788838 A CN 201610788838A CN 106274448 B CN106274448 B CN 106274448B
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China
Prior art keywords
plate
air
floor
bottom plate
air inlet
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CN106274448A (en
Inventor
龚赪
郝守海
王华武
刘小明
陈成海
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Dongfeng Trucks Co ltd
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Dongfeng Trucks Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/06Arrangement in connection with combustion air intake or gas exhaust of propulsion units using structural parts of the vehicle as ducts, e.g. frame parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The air inlet path of the air inlet system on the front engine passenger car is sequentially provided with an air inlet grille, an upper section air channel, a front air channel, a rear air channel and an air filter, wherein the upper section air channel is formed by clamping a car door outer plate, a car door inner plate and an upper air inlet unit, the front air channel comprises a floor framework and the front air inlet unit connected to the floor framework, the rear air channel comprises the floor framework and the rear air inlet unit connected to the floor framework, the front air inlet unit and the rear air inlet unit are mutually communicated to form a ventilated independent assembly, and the air inlet system is not limited by the relative positions of the air inlet grille and the air filter. Therefore, the invention is not only suitable for passenger cars with front engines, has strong universality, can fully utilize the structural clearance of the existing car body, can reduce the installation difficulty and cost, but also can increase the arrangement space of seats in the car body, improve the quality of air entering the air filter and be beneficial to safe and efficient water drainage.

Description

A kind of air inlet system on prepositive engine coach
Technical field
The present invention relates to a kind of air inlet systems of car, belong to bus body technical field more particularly to a kind of preposition hair Air inlet system on motivation car, is specifically useful in and is exclusively used on the basis of bus with front-mounted engine, improve air inlet system into Wind efficiency, and enhance its versatility.
Background technique
In recent years, the dynamic property and economy of engine are more and more important to the development of car, promote the power of engine Property is also increasingly taken seriously.Adequacy, air inlet cleannes of the air inlet system for engine system fuel combustion, and for The importance of the protection of engine is also more and more obvious.In terms of air inlet system, air cleaner needs before accurate filtering One can filter rainwater, leaf etc. compared with bigger material or the device of heavier particle, keep the air into air cleaner more clear It is clean, to increase air filter maintenance period, the device require to have filter effect it is good, it is simple for production, at low cost, the spies such as be easily installed Point uses air filter air inlet box to realize the function on way-train, but existing air filter air inlet box is generally welded to vehicle side wall, Not only volume is larger, has big and apparent protruding parts, and filter effect is bad, in addition, cost of manufacture is higher, installation and inspection It is inconvenient to repair cleaning, is more difficult to apply particularly with prepositive engine coach.
Chinese patent, Authorization Notice No. CN202319880U, authorized announcement date are the utility model on July 11st, 2012 Patent discloses a kind of air inlet channel structure of air filter of passenger car, including body frame and vehicle body outer covering, offers on vehicle body outer covering Air inlet, air inlet connect with upper section air duct, and upper section air duct is connected with underlying lower section air duct, lower section air duct it is interior It is provided with air draft pipe connections on side wall, is provided with air duct water fender, air duct water blocking on the inside of air duct on the air inlet It is provided with polywater cover on lower section air duct plate bottom plate immediately below plate, the lowest point of polywater cover is provided with drain connection, draining Pipe fitting is connected with drainpipe.Although the utility model can be reduced into the rainwater in air duct, improve drainage effect, its Still have the disadvantage that
Firstly, the design is only applicable to rear-engined car, it is not applied for the car of engine behind front wheel;
Secondly, design needs construct large volume of upper section air duct, lower section air duct, air draft pipe connections on car, Not only occupied space is larger, and installation difficulty is larger, higher cost, and conditionality is stronger, and versatility is weaker.
Again, which is combined using vertical air duct with the air draft pipe connections of hose type exogenous wind is introduced air In filter, the mobility feature of wind is not fully considered, guided bone is poor, easily reduces the air intake efficiency of air cleaner.
Summary of the invention
The purpose of the present invention is overcome it is existing in the prior art be not suitable for prepositive engine coach, versatility it is weaker, The lower defect of air intake efficiency and problem, provide one kind can be suitably used for prepositive engine coach, versatility be relatively strong, air intake efficiency compared with Air inlet system on high prepositive engine coach.
In order to achieve the above object, the technical solution of the invention is as follows: the air inlet system on a kind of prepositive engine coach, Including air-inlet grille, upper section air duct, air intake passage and air cleaner, the one end in the upper section air duct through air-inlet grille and vehicle outside Air communicate, the other end in upper section air duct communicates after air intake passage with air cleaner;
The upper section air duct includes door skin, inner plate of car door and upper air inlet unit, the bottom of the inner plate of car door with it is upper It is connected at the top of air inlet unit, both inner plate of car door, upper air inlet unit are arranged with door skin face, and on door skin Offer air-inlet grille;The air intake passage includes advancing air channel and rear air intake passage, and the advancing air channel includes floor Skeleton and the advancing air unit connected thereon, rear air intake passage include floor frame and the rear air inlet unit connected thereon, and after The premenstrual air intake passage of air intake passage is communicated with the bottom in upper section air duct;
Top plate is entered the wind after air inlet unit includes after described, is entered the wind foreboard afterwards, is entered the wind interior plate, rear air inlet outer panel afterwards with after Enter the wind bottom plate;The rear air inlet top plate is Z-type structure, including sequentially connected rear top inclined plate, rear top plate push up riser with rear, after The bottom edge of top inclined plate is connected with a side of rear top plate, and the top margin of another side of rear top plate and rear top riser hangs down Direct-connected to connect, the rear bottom edge for pushing up riser is vertical with a side of rear air inlet bottom plate to be connect, and the rear another side for entering the wind bottom plate is with after The base vertical connection of foreboard is entered the wind, the rear top margin for entering the wind foreboard is connected with the top margin of rear top inclined plate, rear to enter the wind in foreboard Portion offers the rear air inlet communicated with advancing air channel, enters the wind top plate afterwards, enters the wind foreboard afterwards, the sky that rear air inlet bottom plate is surrounded It is intracavitary be inlaid with respectively after enter the wind interior plate, enter the wind outer panel afterwards, it is rear enter the wind offered on bottom plate drainage hole, air filter hole with row Water band, air cleaner are correspondingly connected with;
The advancing air unit includes advancing air bottom plate, advancing air interior plate, advancing air outer panel, the advancing air inside Plate, the setting of advancing air outer panel face, the bottom two sides with advancing air bottom plate respectively of advancing air interior plate, advancing air outer panel Side vertically connects.
The drainage hole closely air inlet interior plate setting afterwards, drainage hole communicates with the top of drainage belt, the top of drainage belt with Bottom plate flush is entered the wind afterwards;Closely the setting of air inlet outer panel, air filter hole are communicated with the top of air filter connecting plate afterwards in the air filter hole, The bottom end of air filter connecting plate is communicated with air cleaner, and the top of air filter connecting plate be higher than after air inlet bottom plate setting.
Angle after described before top inclined plate, rear top plate is obtuse angle, and the angle entered the wind between foreboard, rear top inclined plate afterwards is Acute angle.
The advancing air bottom plate includes sequentially connected the first connecting plate of bottom plate, the second connecting plate of bottom plate, bottom plate third company Fishplate bar and the 4th connecting plate of bottom plate, first connecting plate of bottom plate are riser, and the second connecting plate of bottom plate, the 4th connecting plate of bottom plate are Inclined plate, bottom plate third connecting plate are plate, the length of the first connecting plate of bottom plate, the second connecting plate of bottom plate, bottom plate third connecting plate Identical, the 4th connecting plate of bottom plate is shorter than bottom plate third connecting plate, the first connecting plate of bottom plate, the second connecting plate of bottom plate, bottom plate third The outer side edges flush with each other two-by-two of connecting plate, the 4th connecting plate of bottom plate, the first connecting plate of bottom plate, the second connecting plate of bottom plate, bottom plate The inner side edge of third connecting plate flush with each other two-by-two, between the 4th connecting plate inner side edge of bottom plate and bottom plate third connecting plate inner side edge Distance be less than the distance between the 4th connecting plate inner side edge of bottom plate and bottom plate third connecting plate outer side edges, and bottom plate first connection Angle between plate, the second connecting plate of bottom plate, the angle between the second connecting plate of bottom plate, bottom plate third connecting plate, bottom plate third Angle between connecting plate, the 4th connecting plate of bottom plate is all obtuse angle;
The advancing air interior plate includes the first connecting plate of inside being mutually connected vertically, the second connecting plate of inside, described It is located at bottom plate third connecting plate inner side edge, the 4th connecting plate of bottom plate on the bottom edge of the first connecting plate of inside and bottom plate third connecting plate Position between inner side edge vertically connects, and the bottom edge of the second connecting plate of inside is vertical with the inner side edge of the 4th connecting plate of bottom plate to be connected It connects, the first connecting plate of inside is higher than the second connecting plate of inside, the first connecting plate of bottom plate is arranged;The advancing air outer panel and bottom plate The outer side edges vertical connection simultaneously of first connecting plate, the second connecting plate of bottom plate, bottom plate third connecting plate, the 4th connecting plate of bottom plate.
Angle between first connecting plate of bottom plate, the second connecting plate of bottom plate is 120 degree, the second connecting plate of bottom plate, bottom Angle between plate third connecting plate is 150 degree, and the angle between bottom plate third connecting plate, the 4th connecting plate of bottom plate is 145 degree;
First connecting plate of bottom plate, the second connecting plate of bottom plate, bottom plate third connecting plate, the 4th connecting plate of bottom plate two-by-two it Between junction be all arc transition structure.
The closely position of itself and inside the second connecting plate junction offers a rectangle on first connecting plate of inside Corner cut, is connected separately with that the first horizontal flared end of inside, inside first is perpendicular expands on the top margin of first connecting plate of inside, inner side edge Side, the top margin of second connecting plate of inside, and its inside second is connected separately on the position that foreboard connects with rear enter the wind Flared end is erected in vertical flared end, inside second, and the horizontal flared end in inside first, inside second indulge and accompany corner cut between flared end;
The top margin of the advancing air outer panel, and its it is vertical with outside is connected separately on the rear position that connects of air inlet foreboard Flared end is erected in flared end, outside;
Be connected with the horizontal flared end of bottom plate first on the top margin of first connecting plate of bottom plate, inner side edge, bottom plate first erects flared end, The second connecting plate of bottom plate, bottom plate third connecting plate inner side edge on be connected separately with bottom plate second and erect that flared end, bottom plate third are perpendicular to expand Side is connected with the horizontal flared end of bottom plate the 4th on the bottom edge of the 4th connecting plate of bottom plate;
The inside second erect flared end, the horizontal flared end of bottom plate the 4th, outside erect flared end be sequentially connected with constitute one with it is laggard The U-shaped front air outlet that air port communicates, rear air inlet is located at the middle part of front air outlet, and connects on the top margin of rear air inlet foreboard There is rear foreboard flared end;Flared end is erected in the inside first, bottom plate third erects flared end, bottom plate second erects flared end, bottom plate first and erects flared end It is sequentially connected to constitute a U-shaped advance air port communicated with upper section air duct bottom.
The floor frame includes the first stringer of floor, the second stringer of floor, floor third stringer, the 4th stringer of floor, And floor first crossbeam, floor second cross beam, floor third crossbeam, the 4th crossbeam of floor and the first vertical beam of floor;
The middle part of the floor second cross beam is vertical with the second stringer of floor to be connect, the middle part and floor of the second stringer of floor One end of first crossbeam vertically connects, and the other end of floor first crossbeam is vertical with the middle part of the first vertical beam of side wall to be connect, floor The middle part of first crossbeam is vertical with one end of the first stringer of floor to be connect, after the other end drawing-in corner cut of the first stringer of floor with ground The middle part of plate second cross beam vertically connects, the middle part of one end of floor second cross beam and side wall third vertical beam, the second vertical beam of side wall Vertical connection, the second vertical beam of side wall are located between the first vertical beam of side wall, side wall third vertical beam, and the bottom end of the first vertical beam of side wall passes through Side wall first crossbeam is vertical with the middle part of the second vertical beam of side wall to be connect, the other end and the first vertical beam of floor of floor second cross beam One end vertically connects, and the other end of the first vertical beam of floor is vertical with one end of floor third crossbeam to be connect, floor third crossbeam The other end is vertical with the middle part of side wall third vertical beam, the second vertical beam of side wall to be connect, and floor third crossbeam is lower than floor second cross beam The middle part of setting, floor third crossbeam is vertical with the middle part of the 4th crossbeam of floor by floor third stringer, the 4th stringer of floor Connection;
The top of the floor second cross beam is connected with rear foreboard flared end, the bottom and inside second of floor second cross beam Vertical flared end, outside indulge flared end and are connected, and the bottom of the second stringer of floor indulges flared end with outside and is connected, the bottom of floor first crossbeam Portion is connected with the horizontal flared end of bottom plate first, and the bottom of the first stringer of floor indulges flared end with inside second and is connected, the bottom plate One perpendicular flared end is connected with the first vertical beam of side wall, and bottom plate second erects flared end, bottom plate third erects flared end and is higher than side wall first crossbeam Setting.
Erect the connection work between flared end, the horizontal flared end of bottom plate the 4th, the perpendicular flared end in outside and rear air inlet foreboard in the inside second Skill is first to be bonded the technique of staking again, and in staking, using six uniform stakings of rivet.
The upper air inlet unit includes putting down in the longitudinal direction in the sequentially connected perpendicular arc plate of zigzag, upper flat transverse slat and upper erect Plate, the outer side edges of upper perpendicular arc plate in the longitudinal direction are located at the outside of the first vertical beam of side wall, the outer side edges of upper perpendicular plate in the longitudinal direction with The outer wall of the second vertical beam of side wall is connected;The upper perpendicular arc plate, the bottom of upper flat transverse slat and floor first crossbeam, inside first are horizontal It is connected at the top of flared end, is connected at the top of the bottom of upper perpendicular plate and side wall first crossbeam, and advance air port is located at upper erect Plate, side wall first crossbeam, between the first vertical beam of side wall.
It is connected at the top of the bottom of the floor third crossbeam and bracket, the inner end of bracket is through frame connecting plate and vehicle frame Stringer is connected, and air cleaner is fixedly connected by air filter mounting plate with bracket;The nearly door skin of the air-inlet grille Top setting.
Compared with prior art, the invention has the benefit that
1, in the air inlet system on a kind of prepositive engine coach of the present invention, it is main include the air-inlet grille being sequentially communicated, Upper section air duct, advancing air unit, rear air inlet unit and air cleaner, wherein the vehicle body by upper section air duct and cab vehicle door Side wall is connected, and advancing air unit, rear air inlet unit are connected with floor frame, and advantage is as follows: firstly, present invention setting exists Near car door, the car of engine behind front wheel can be exclusively used in;Secondly, the core of air inlet system disclosed in this invention is advancing air The two can be considered as the same integration module by unit, rear air inlet unit, and the integration module is in gas circuit, both ends and air inlet Grid, air cleaner communicate, and in terms of fixation, are connected with floor frame, thus its be an independent assembly, not by The limitation of air-inlet grille and air cleaner relative position can guide the wind outside the vehicle of side to air filter well, lead to It is extremely strong with property;Again, which only includes advancing air channel, rear air intake passage, small in size, easy to install, can be sufficiently sharp With the structure interval of existing vehicle body, never occupancy driving space, it is further applicable to the car of engine behind front wheel.Therefore, this hair The bright car for being applicable not only to engine behind front wheel, versatility are extremely strong, and can make full use of the structure interval of existing vehicle body, Yi An Dress is easily promoted.
2, in the air inlet system on a kind of prepositive engine coach of the present invention, rear air inlet unit entered the wind after including top plate, after It enters the wind foreboard, enter the wind interior plate, rear air inlet outer panel and rear air inlet bottom plate afterwards, wherein rear air inlet top plate is Z-type structure, laggard Rear air inlet is offered in the middle part of wind foreboard, is entered the wind top plate afterwards, is entered the wind foreboard afterwards, entered the wind in the cavity that bottom plate is surrounded afterwards respectively Enter the wind interior plate after being inlaid with, enter the wind outer panel afterwards, it is rear enter the wind offered on bottom plate drainage hole, air filter hole with drainage belt, sky Air cleaner is correspondingly connected with, which smoothly can not only flow into air-filtering through air filter hole for the air for flowing into rear air inlet In device, more it is essential that being increased while using structure interval arrangement rear air inlet by the rear air inlet top plate of Z-type structure The arrangement space of interior of body seat so that first row passenger seat position is unrestricted behind driver's chair improves visitor The seating capacity of vehicle improves the competitiveness for the car that the design is assembled.Therefore, the present invention can increase interior of body seat Arrangement space, improve seating capacity.
3, in the air inlet system on a kind of prepositive engine coach of the present invention, advancing air unit include advancing air bottom plate and with Its two sides advancing air interior plate connected vertically, advancing air outer panel, wherein advancing air bottom plate includes sequentially connected bottom plate First connecting plate, the 4th connecting plate of the second connecting plate of bottom plate, bottom plate third connecting plate and bottom plate, by its link position, company The design for connecing angle makes its entirety be rendered as a kind of ramp structure of lower extension, meanwhile, connecting plate mutual handover two-by-two Place is all the transition structure of circular arc, when air folded by advancing air bottom plate, advancing air interior plate, the advancing air outer panel at channel When middle flowing, the design of slope and arc transition can generate good guiding function to air, guide walking for air-flow well To improving the air intake efficiency of air cleaner.Therefore, the present invention guides the effect of air-flow preferable, can improve air cleaner Air intake efficiency.
4, in the air inlet system on a kind of prepositive engine coach of the present invention, upper section air duct includes door skin, in car door Plate and upper air inlet unit are connected at the top of the bottom of inner plate of car door and upper air inlet unit, both inner plate of car door, upper air inlet unit It is arranged with door skin face, offers air-inlet grille on door skin, the design utilizes body side wall skeleton and driver's cabins Gap between entrance door inner panel, so that upper section air duct is not only non-bulging on door skin, it is easy to install, it is at low cost, and not Cab space is occupied, is easily applied, in addition the top setting of the nearly door skin of air-inlet grille, position is higher, not only enters the wind quality It is good, and air quantity is abundant.Therefore, the present invention can not only make full use of the existing structure gap of vehicle body, reduce installation difficulty with Cost, and be conducive to improve air intake efficiency.
5, in the air inlet system on a kind of prepositive engine coach of the present invention, floor frame include the first stringer of floor, The second stringer of plate, floor third stringer, the 4th stringer of floor, floor first crossbeam, floor second cross beam, floor third crossbeam, The 4th crossbeam of floor, the first vertical beam of floor, side wall frame include the first vertical beam of side wall, the second vertical beam of side wall, side wall third vertical beam With side wall first crossbeam, in application, the present invention is set by the excavation to space on existing body frame longitudinally, laterally, vertically Various beams are set, and are matched with existing beam, advancing air unit, rear air inlet unit are fixedly connected with existing vehicle body, greatly The space utilization rate for improving existing vehicle body gap greatly, reduces installation cost and difficulty.Therefore, the present invention and existing vehicle body Compatibility it is stronger, installation difficulty with cost is relatively low.
6, in the air inlet system on a kind of prepositive engine coach of the present invention, drainage hole closely air inlet interior plate setting afterwards is empty Filter opening closely air inlet outer panel setting afterwards, on rear air inlet bottom plate, the two is in opposite edge, ensure that the water of discharge not It can pour on air cleaner, meanwhile, bottom plate is entered the wind on the top of air filter connecting plate design after being higher than can guarantee to enter sky It is the air of relative clean in air cleaner, in order to avoid ponding is directly entered air cleaner by air filter connecting plate, influences The air cleaner service life, in addition, the design of drainage belt top and rear air inlet bottom plate flush can be conducive to the discharge of ponding.Cause This, the present invention can not only improve the quality into air in air filter, and be conducive to safe and efficient draining.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that the structural schematic diagram after upper air inlet unit, air cleaner, longitudinal beam is removed in Fig. 2.
Fig. 4 is the rearview of Fig. 3.
Fig. 5 is advancing air unit in Fig. 4, wind moves towards figure in rear air inlet unit.
Fig. 6 is the schematic perspective view of rear air inlet unit in Fig. 5.
Fig. 7 is the structural schematic diagram of rear air inlet top plate in Fig. 6.
Fig. 8 is the bottom view of rear air inlet bottom plate in Fig. 6.
Fig. 9 is the schematic perspective view of advancing air unit in Fig. 5.
Figure 10 is the structural schematic diagram of advancing air bottom plate in Fig. 9.
Figure 11 is assembling schematic diagram of the present invention on prepositive engine coach.
Figure 12 is the present invention and the relative position schematic diagram of door skin in Figure 11.
Figure 13 is the present invention and the relative position schematic diagram between driver's chair, first row passenger seat.
In figure:
Air-inlet grille 1;Afterwards air inlet unit 2, rear air inlet top plate 21, rear top inclined plate 211, rear top plate 212, push up riser afterwards 213, foreboard 22, rear foreboard flared end 221, rear air inlet interior plate 23, rear air inlet outer panel 24, afterwards air inlet bottom plate 25, row are entered the wind afterwards Water hole 251, drainage belt 252;
Advancing air unit 3, advancing air bottom plate 31, the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third Connecting plate 313, the 4th connecting plate 314 of bottom plate, the horizontal flared end 315 of bottom plate first, bottom plate first erect the perpendicular expansion of flared end 316, bottom plate second Flared end 318, the horizontal flared end 319 of bottom plate the 4th, advancing air interior plate 32, the first connecting plate of inside 321, interior is erected on side 317, bottom plate third The second connecting plate of side 322, corner cut 323, the horizontal flared end 324 in inside first, flared end 325 is erected in inside first, flared end is indulged in inside second 326, flared end 327, advancing air outer panel 33, the vertical flared end 331 in outside, the perpendicular flared end 332 in outside are erected in inside second;
Floor frame 4, the first stringer of floor 41, the second stringer of floor 42, floor third stringer 43, the 4th stringer of floor 44, floor first crossbeam 45, floor second cross beam 46, floor third crossbeam 47, the 4th crossbeam 48 of floor, the first vertical beam of floor 49;
Side wall frame 5, the first vertical beam of side wall 51, the second vertical beam of side wall 52, side wall third vertical beam 53, side wall first crossbeam 54;
Upper air inlet unit 6, upper perpendicular arc plate 61, upper flat transverse slat 62, upper perpendicular plate 63;
Upper section air duct 7, door skin 71, inner plate of car door 72;
Advancing air channel 8, advance air port 81, front air outlet 82;
Air intake passage 9, rear air inlet 91, rivet 92 afterwards;
Air cleaner 10, air filter connecting plate 101, air filter hole 102, air filter mounting plate 103, bracket 11, vehicle frame connection Plate 12, longitudinal beam 13, driver's chair 14, first row passenger seat 15.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.
Referring to Fig. 1 to Figure 13, a kind of air inlet system on prepositive engine coach, including air-inlet grille 1, upper section air duct 7, Air intake passage and air cleaner 10, the one end in the upper section air duct 7 are communicated through air-inlet grille 1 with the air outside vehicle, upper section wind The other end in road 7 communicates after air intake passage with air cleaner 10;
The upper section air duct 7 includes door skin 71, inner plate of car door 72 and upper air inlet unit 6, the inner plate of car door 72 Bottom is connected with the top of upper air inlet unit 6, and both inner plate of car door 72, upper air inlet unit 6 are arranged with 71 face of door skin, And air-inlet grille 1 is offered on door skin 71;The air intake passage includes advancing air channel 8 and rear air intake passage 9, described Advancing air channel 8 includes floor frame 4 and the advancing air unit 3 that connects thereon, rear air intake passage 9 include floor frame 4 and its The rear air inlet unit 2 of upper connection, and the rear premenstrual air intake passage 8 of air intake passage 9 is communicated with the bottom in upper section air duct 7;
It is outer that top plate 21, rear air inlet foreboard 22, rear air inlet interior plate 23, rear air inlet are entered the wind after air inlet unit 2 includes after described Side plate 24 and rear air inlet bottom plate 25;Air inlet top plate 21 is Z-type structure, including sequentially connected rear top inclined plate 211, rear top after described Plate 212 and rear top riser 213, the rear bottom edge for pushing up inclined plate 211 are connected with a side of rear top plate 212, rear top plate 212 another side is vertical with the top margin of rear top riser 213 to be connect, the rear bottom edge for pushing up riser 213 and rear air inlet bottom plate 25 One side vertically connects, and the rear another side for entering the wind bottom plate 25 is connect with the base vertical of rear air inlet foreboard 22, before rear air inlet The top margin of plate 22 is connected with the top margin of rear top inclined plate 211, and the rear middle part for entering the wind foreboard 22 is offered to be communicated with advancing air channel 8 Rear air inlet 91, it is rear enter the wind be inlaid with respectively in the dead zone that top plate 21, rear air inlet foreboard 22, rear air inlet bottom plate 25 are surrounded after Enter the wind interior plate 23, rear air inlet outer panel 24, it is rear enter the wind offered on bottom plate 25 drainage hole 251, air filter hole 102 with drainage belt 252, air cleaner 10 is correspondingly connected with;
The advancing air unit 3 includes advancing air bottom plate 31, advancing air interior plate 32, advancing air outer panel 33, before described Enter the wind interior plate 32,33 face of advancing air outer panel setting, advancing air interior plate 32, advancing air outer panel 33 bottom respectively with The two sides of advancing air bottom plate 31 vertically connect.
Air inlet interior plate 23 is arranged after the drainage hole 251 is close, and drainage hole 251 is communicated with the top of drainage belt 252, is drained Top and rear air inlet 25 flush of bottom plate with 252;Air inlet outer panel 24 is arranged after the air filter hole 102 is close, air filter hole 102 with The top of air filter connecting plate 101 communicates, and the bottom end of air filter connecting plate 101 is communicated with air cleaner 10, and air filter connects Air inlet bottom plate 25 is arranged after the top of fishplate bar 101 is higher than.
Angle after described before top inclined plate 211, rear top plate 212 is obtuse angle, rear to enter the wind foreboard 22, rear top inclined plate 211 Between angle be acute angle.
The advancing air bottom plate 31 includes sequentially connected the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom Plate third connecting plate 313 and the 4th connecting plate 314 of bottom plate, first connecting plate of bottom plate 311 are riser, the second connecting plate of bottom plate 312, the 4th connecting plate 314 of bottom plate is inclined plate, and bottom plate third connecting plate 313 is plate, the first connecting plate of bottom plate 311, bottom plate the Two connecting plates 312, the length of bottom plate third connecting plate 313 are identical, and the 4th connecting plate 314 of bottom plate is shorter than bottom plate third connecting plate 313, the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313, bottom plate the 4th connecting plate 314 Outer side edges flush with each other two-by-two, the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313 it is interior Flush with each other, the distance between 314 inner side edge of the 4th connecting plate of bottom plate and 313 inner side edge of bottom plate third connecting plate are small two-by-two for side In the distance between 314 inner side edge of the 4th connecting plate of bottom plate and 313 outer side edges of bottom plate third connecting plate, and the first connecting plate of bottom plate 311, the angle between the second connecting plate of bottom plate 312, the folder between the second connecting plate of bottom plate 312, bottom plate third connecting plate 313 Angle, the angle between bottom plate third connecting plate 313, the 4th connecting plate 314 of bottom plate is all obtuse angle;
The advancing air interior plate 32 includes the first connecting plate of inside 321, the second connecting plate of inside being mutually connected vertically 322, the bottom edge of first connecting plate of inside 321 is located on the inside of bottom plate third connecting plate 313 on bottom plate third connecting plate 313 Position between side, 314 inner side edge of the 4th connecting plate of bottom plate vertically connects, the bottom edge of the second connecting plate of inside 322 and bottom plate the The inner side edge of four connecting plates 314 vertically connects, and the first connecting plate of inside 321 is higher than the second connecting plate of inside 322, bottom plate first connects Fishplate bar 311 is arranged;The advancing air outer panel 33 and the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third The outer side edges vertical connection simultaneously of connecting plate 313, the 4th connecting plate 314 of bottom plate.
Angle between first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312 is 120 degree, and bottom plate second connects Angle between plate 312, bottom plate third connecting plate 313 is 150 degree, bottom plate third connecting plate 313, the 4th connecting plate 314 of bottom plate Between angle be 145 degree;
First connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313, bottom plate the 4th connect The junction of fishplate bar 314 between any two is all arc transition structure.
The closely position of itself and 322 junction of the second connecting plate of inside offers one on first connecting plate of inside 321 The corner cut 323 of rectangle is connected separately with the first horizontal flared end of inside on the top margin of first connecting plate of inside 321, inner side edge 324, flared end 325, the top margin of second connecting plate of inside 322 are erected in inside first, and its connected with rear air inlet foreboard 22 It is connected separately with inside the second vertical flared end 326, inside second on position and erects flared end 327, the horizontal flared end 324 in inside first, inside the Corner cut 323 is accompanied between two vertical flared ends 326;
The top margin of the advancing air outer panel 33, and its be connected separately with outside on the position that foreboard 22 connects with rear enter the wind Flared end 331 is indulged in side, flared end 332 is erected in outside;
The horizontal flared end 315 of bottom plate first, bottom plate first are connected on the top margin of first connecting plate of bottom plate 311, inner side edge Perpendicular flared end 316, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313 inner side edge on be connected separately with that bottom plate second is perpendicular to be expanded Flared end 318 is erected on side 317, bottom plate third, is connected with the horizontal flared end 319 of bottom plate the 4th on the bottom edge of the 4th connecting plate 314 of bottom plate;
It erects flared end 327, the horizontal flared end 319 of bottom plate the 4th, the perpendicular flared end 332 in outside and is sequentially connected to constitute one in the inside second A U-shaped front air outlet 82 communicated with rear air inlet 91, rear air inlet 91 are located at the middle part of front air outlet 82, and in rear air inlet Rear foreboard flared end 221 is connected on the top margin of foreboard 22;Flared end 325 is erected in the inside first, bottom plate third erects flared end 318, bottom Plate second erect flared end 317, bottom plate first erect flared end 316 be sequentially connected with constitute one communicate with 7 bottom of upper section air duct it is U-shaped Advance air port 81.
The floor frame 4 includes the first stringer of floor 41, the second stringer of floor 42, floor third stringer 43, floor the Four stringers 44 and floor first crossbeam 45, floor second cross beam 46, floor third crossbeam 47, the 4th crossbeam 48 of floor, and The first vertical beam of floor 49;
The middle part of the floor second cross beam 46 is vertical with the second stringer of floor 42 to be connect, the middle part of the second stringer of floor 42 Vertical with one end of floor first crossbeam 45 to connect, the other end of floor first crossbeam 45 and the middle part of the first vertical beam of side wall 51 are hung down Direct-connected to connect, the middle part of floor first crossbeam 45 is vertical with one end of the first stringer of floor 41 to be connect, the first stringer of floor 41 it is another It is vertical with the middle part of floor second cross beam 46 after one end drawing-in corner cut 323 to connect, one end of floor second cross beam 46 and side wall the Three vertical beams 53, the second vertical beam of side wall 52 middle part vertically connect, the second vertical beam of side wall 52 is located at the first vertical beam of side wall 51, side wall Between three vertical beams 53, the bottom end of the first vertical beam of side wall 51 is vertical with the middle part of the second vertical beam of side wall 52 by side wall first crossbeam 54 Connection, the other end of floor second cross beam 46 is vertical with one end of the first vertical beam of floor 49 to be connect, the first vertical beam of floor 49 it is another One end is vertical with one end of floor third crossbeam 47 to be connect, the other end and side wall third vertical beam 53, side of floor third crossbeam 47 The middle part for enclosing the second vertical beam 52 vertically connects, and floor third crossbeam 47 is arranged lower than floor second cross beam 46, floor third crossbeam 47 middle part by floor third stringer 43, the 4th stringer 44 of floor is vertical with the middle part of the 4th crossbeam 48 of floor connect;
The top of the floor second cross beam 46 is connected with rear foreboard flared end 221, the bottom of floor second cross beam 46 with Flared end 326 is indulged in inside second, outside indulges flared end 331 and is connected, and the bottom of the second stringer of floor 42 indulges flared end 331 with outside and is connected It connects, the bottom of floor first crossbeam 45 is connected with the horizontal flared end 315 of bottom plate first, the bottom of the first stringer of floor 41 and inside the Two vertical flared ends 326 are connected, and the bottom plate first erects flared end 316 and is connected with the first vertical beam of side wall 51, and the perpendicular expansion of bottom plate second Side 317, bottom plate third are erected flared end 318 and are arranged higher than side wall first crossbeam 54.
Flared end 327 is erected in the inside second, the horizontal flared end 319 of bottom plate the 4th, outside erect flared end 332 and rear air inlet foreboard 22 it Between Joining Technology be the technique for being first bonded staking again, and in staking, using the uniform staking of multiple rivets.
The upper air inlet unit 6 include in the longitudinal direction in the sequentially connected perpendicular arc plate 61 of zigzag, upper flat transverse slat 62 with it is upper Perpendicular plate 63, the outer side edges of upper perpendicular arc plate 61 in the longitudinal direction are located at the outside of the first vertical beam of side wall 51, and upper perpendicular plate 63 is in longitudinal direction On outer side edges be connected with the outer wall of the second vertical beam of side wall 52;The bottom and floor of the upper perpendicular arc plate 61, upper flat transverse slat 62 First crossbeam 45, the horizontal flared end 324 in inside first top be connected, the top of the bottom of upper perpendicular plate 63 and side wall first crossbeam 54 Portion is connected, and advance air port 81 is located at upper perpendicular plate 63, side wall first crossbeam 54, between the first vertical beam of side wall 51.
The bottom of the floor third crossbeam 47 is connected with the top of bracket 11, and the inner end of bracket 11 is through frame connecting plate 12 are connected with longitudinal beam 13, and air cleaner 10 is fixedly connected by air filter mounting plate 103 with bracket 11;The air inlet The top of the nearly door skin 71 of grid 1 is arranged.
The principle of the present invention is described as follows:
(1), rear air inlet unit 2, advancing air unit 3:
Present invention is mainly used for prepositive engine coach, the main structure of the air inlet system of description by rear air inlet unit 2, Advancing air unit 3 forms, in application, external wind enters upper section air duct 7 from air-inlet grille 1, subsequently into advancing air channel 8(core Core structure is advancing air unit 3), it is rear air inlet unit 2 that transition, which enters rear air intake passage 9(nuclear structure), then it is single by rear air inlet Member 2 on rear air inlet bottom plate 25, air filter connecting plate 101 enter air cleaner 10, finally by air cleaner 10 with start Pipeline between machine enters engine.
Therefore the design by the combination of advancing air unit 3, rear air inlet unit 2 regard as a kind of integration module, constitute One independent assembly, it can not only guide well the wind outside the vehicle of side to air cleaner 10, more crucially it It is not limited, is easy to and existing body structure (side wall, floor) by relative position between air-inlet grille 1 and air cleaner 10 It is combined, thin portion structure can be adjusted flexibly according to specific location, easily realize installation and fix, structure versatility is extremely strong, also not The space of existing car is occupied, compatibility is stronger.
The mounting means multiplicity of advancing air unit 3, rear air inlet unit 2 such as first supports rear air inlet unit 2 to side wall, connection In on connected floor frame 4, then after the air duct of advancing air unit 3 is aligned air inlet unit 2 air duct, advance herein Using being welded to connect between wind unit 3 and floor frame 4, side wall frame 5 and metal plate, and front air outlet 82 and rear air inlet 91 it Between consider property easy for installation and fastness, using be first bonded staking again technique (first together with gluing knot, then with rivet into Row mechanical connection, to reinforce), which had not only increased the leakproofness of air inlet, but also reduced the generation of noise well, wherein To guarantee the stability connected, using multiple rivets (preferably six rivets) uniform staking.In addition, air inlet unit after mounting When 2, the present invention preferably carries out the arrangement of air inlet system using structure interval, to increase the arrangement space of interior of body seat, So that the position of first row passenger seat 15 is unrestricted behind driver's chair 14, as shown in figure 13, rear top plate 21 of entering the wind is Z-type Structure has a dog-ear design, to increase the distance between first row passenger seat 15 and preceding object, is equivalent to increase The space that can arrange seat, can arrange row's seat more, and for car, under identical parking lot more than seat number more With competitiveness.
(2), advancing air unit 3:
Advancing air unit 3 include advancing air bottom plate 31 and with its two sides advancing air interior plate 32 connected vertically, advance Wherein, advancing air bottom plate 31 includes sequentially connected the first connecting plate of bottom plate 311, the second connecting plate of bottom plate to wind outer panel 33. 312, bottom plate third connecting plate 313 and the 4th connecting plate 314 of bottom plate make it by the design to its link position, connection angle Entirety is rendered as the ramp structure of lower extension a kind of, in addition, connecting plate two-by-two mutual junction be all circular arc transition Structure (it is smooth transition between plate and plate, belongs to arc transition, a monolith bottom plate can be by one flat plate bending and forming, Can be punch forming, if there is corner angle with welding, the case where gas flows does not have the good of arc transition), work as wind Enter from the external world, by shown in arrow folded by advancing air bottom plate 31, advancing air interior plate 32, the advancing air outer panel 33 at channel (referring to Fig. 5) when middle flowing, extraneous wind pressure is big, and wind is certain to be to walk from top to bottom, not only without the barrier structures such as partition, but also energy Guiding function is generated to wind by means of slope and designed arc-shaped appearance, to guide the trend of air-flow well, improves air cleaner Air intake efficiency.
(3), various plates:
Multiple, Multiple Shape plate, parameter (such as shape, length of plate are used in air inlet unit 2, advancing air unit 3 afterwards Wide high, ornaments angle etc.) it is unique design based on vehicle applied by it, it is main to consider tire bounce, intake, air-conditioning The influence of piping connection and maintenance convenience etc., and since intake requires, so may influence to enter the wind on each The section that the plate of effect is constituted all must assure that area of section is at least 1.5 times of 10 incoming air area of air cleaner.It is right The vehicle of other front-mounted engines except disclosed in the design, can be based on this mentality of designing, carry out spirit to detailed structure Change living, this will be apparent from, and fall under the scope of the present invention.Air inlet foreboard 22 is made of plate afterwards, thereon The rear air inlet 91 opened up is rectangle.Various plates can be made up of three kinds of welding, bending, punch forming modes, material It can be steel or glass reinforced plastic.
(4), drainage belt:
Drainage belt 252 is made of rubber or thin plastics, and external port is flat mouth, enables to extraneous sky using flat mouth structure Gas and dust are not easy to enter in air duct due to negative pressure in air duct by drainage belt 252, and drainage belt 252 is for draining, arranging Ash, while avoiding making pipeline gray back due to negative pressure in air duct.
Embodiment 1:
Referring to Fig. 1 to Figure 13, a kind of air inlet system on prepositive engine coach, including air-inlet grille 1, upper section air duct 7, Air intake passage and air cleaner 10, the upper section air duct 7 include door skin 71, inner plate of car door 72 and upper air inlet unit 6, institute The bottom for stating inner plate of car door 72 is connected with the top of upper air inlet unit 6, both inner plate of car door 72, upper air inlet unit 6 and car door The setting of 71 face of outside plate, offers air-inlet grille 1 on door skin 71, the air intake passage include advancing air channel 8 with it is laggard Wind channel 9, the advancing air channel 8 include floor frame 4 and the advancing air unit 3 connected thereon, and rear air intake passage 9 includes ground The top of framework 4 and the rear air inlet unit 2 connected thereon, upper section air duct 7 is communicated through air-inlet grille 1 with the air outside vehicle, on The bottom of Duan Fengdao 7 successively communicates after premenstrual air intake passage 8, rear air intake passage 9 with air cleaner 10;
It is outer that top plate 21, rear air inlet foreboard 22, rear air inlet interior plate 23, rear air inlet are entered the wind after air inlet unit 2 includes after described Side plate 24 and rear air inlet bottom plate 25;Air inlet top plate 21 is Z-type structure, including sequentially connected rear top inclined plate 211, rear top after described Plate 212 and rear top riser 213, the rear bottom edge for pushing up inclined plate 211 are connected with a side of rear top plate 212, rear top plate 212 another side is vertical with the top margin of rear top riser 213 to be connect, the rear bottom edge for pushing up riser 213 and rear air inlet bottom plate 25 One side vertically connects, and the rear another side for entering the wind bottom plate 25 is connect with the base vertical of rear air inlet foreboard 22, before rear air inlet The top margin of plate 22 is connected with the top margin of rear top inclined plate 211, and the rear middle part for entering the wind foreboard 22 is offered to be communicated with advancing air channel 8 Rear air inlet 91, it is rear enter the wind be inlaid with respectively in the dead zone that top plate 21, rear air inlet foreboard 22, rear air inlet bottom plate 25 are surrounded after Enter the wind interior plate 23, rear air inlet outer panel 24, it is rear enter the wind offered on bottom plate 25 drainage hole 251, air filter hole 102 with drainage belt 252, air cleaner 10 is correspondingly connected with;
The advancing air unit 3 includes advancing air bottom plate 31, advancing air interior plate 32, advancing air outer panel 33, before described Enter the wind interior plate 32,33 face of advancing air outer panel setting, advancing air interior plate 32, advancing air outer panel 33 bottom respectively with The two sides of advancing air bottom plate 31 vertically connect.
Embodiment 2:
Basic content with embodiment 1, the difference is that:
The advancing air bottom plate 31 includes sequentially connected the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom Plate third connecting plate 313 and the 4th connecting plate 314 of bottom plate, first connecting plate of bottom plate 311 are riser, the second connecting plate of bottom plate 312, the 4th connecting plate 314 of bottom plate is inclined plate, and bottom plate third connecting plate 313 is plate, the first connecting plate of bottom plate 311, bottom plate the Two connecting plates 312, the length of bottom plate third connecting plate 313 are identical, and the 4th connecting plate 314 of bottom plate is shorter than bottom plate third connecting plate 313, the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313, bottom plate the 4th connecting plate 314 Outer side edges flush with each other two-by-two, the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313 it is interior Flush with each other, the distance between 314 inner side edge of the 4th connecting plate of bottom plate and 313 inner side edge of bottom plate third connecting plate are small two-by-two for side In the distance between 314 inner side edge of the 4th connecting plate of bottom plate and 313 outer side edges of bottom plate third connecting plate, and the first connecting plate of bottom plate 311, the angle between the second connecting plate of bottom plate 312, the folder between the second connecting plate of bottom plate 312, bottom plate third connecting plate 313 Angle, the angle between bottom plate third connecting plate 313, the 4th connecting plate 314 of bottom plate is all obtuse angle;
The advancing air interior plate 32 includes the first connecting plate of inside 321, the second connecting plate of inside being mutually connected vertically 322, the bottom edge of first connecting plate of inside 321 is located on the inside of bottom plate third connecting plate 313 on bottom plate third connecting plate 313 Position between side, 314 inner side edge of the 4th connecting plate of bottom plate vertically connects, the bottom edge of the second connecting plate of inside 322 and bottom plate the The inner side edge of four connecting plates 314 vertically connects, and the first connecting plate of inside 321 is higher than the second connecting plate of inside 322, bottom plate first connects Fishplate bar 311 is arranged;The advancing air outer panel 33 and the first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third The outer side edges vertical connection simultaneously of connecting plate 313, the 4th connecting plate 314 of bottom plate.
Embodiment 3:
Basic content with embodiment 2, the difference is that:
Angle between first connecting plate of bottom plate 311, the second connecting plate of bottom plate 312 is 120 degree, and bottom plate second connects Angle between plate 312, bottom plate third connecting plate 313 is 150 degree, bottom plate third connecting plate 313, the 4th connecting plate 314 of bottom plate Between angle be 145 degree;First connecting plate of bottom plate 311, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313, The junction of the 4th connecting plate 314 of bottom plate between any two is all arc transition structure.
Embodiment 4:
Basic content with embodiment 2, the difference is that:
The closely position of itself and 322 junction of the second connecting plate of inside offers one on first connecting plate of inside 321 The corner cut 323 of rectangle is connected separately with the first horizontal flared end of inside on the top margin of first connecting plate of inside 321, inner side edge 324, flared end 325, the top margin of second connecting plate of inside 322 are erected in inside first, and its connected with rear air inlet foreboard 22 It is connected separately with inside the second vertical flared end 326, inside second on position and erects flared end 327, the horizontal flared end 324 in inside first, inside the Corner cut 323 is accompanied between two vertical flared ends 326;The top margin of the advancing air outer panel 33, and its connected with rear air inlet foreboard 22 Position on be connected separately with outside indulge flared end 331, outside erect flared end 332;
The horizontal flared end 315 of bottom plate first, bottom plate first are connected on the top margin of first connecting plate of bottom plate 311, inner side edge Perpendicular flared end 316, the second connecting plate of bottom plate 312, bottom plate third connecting plate 313 inner side edge on be connected separately with that bottom plate second is perpendicular to be expanded Flared end 318 is erected on side 317, bottom plate third, is connected with the horizontal flared end 319 of bottom plate the 4th on the bottom edge of the 4th connecting plate 314 of bottom plate;
It erects flared end 327, the horizontal flared end 319 of bottom plate the 4th, the perpendicular flared end 332 in outside and is sequentially connected to constitute one in the inside second A U-shaped front air outlet 82 communicated with rear air inlet 91, rear air inlet 91 are located at the middle part of front air outlet 82, and in rear air inlet Rear foreboard flared end 221 is connected on the top margin of foreboard 22;Flared end 325 is erected in the inside first, bottom plate third erects flared end 318, bottom Plate second erect flared end 317, bottom plate first erect flared end 316 be sequentially connected with constitute one communicate with 7 bottom of upper section air duct it is U-shaped Advance air port 81.
Embodiment 5:
Basic content with embodiment 4, the difference is that:
The floor frame 4 includes the first stringer of floor 41, the second stringer of floor 42, floor third stringer 43, floor the Four stringers 44 and floor first crossbeam 45, floor second cross beam 46, floor third crossbeam 47, the 4th crossbeam 48 of floor, and The first vertical beam of floor 49;
The middle part of the floor second cross beam 46 is vertical with the second stringer of floor 42 to be connect, the middle part of the second stringer of floor 42 Vertical with one end of floor first crossbeam 45 to connect, the other end of floor first crossbeam 45 and the middle part of the first vertical beam of side wall 51 are hung down Direct-connected to connect, the middle part of floor first crossbeam 45 is vertical with one end of the first stringer of floor 41 to be connect, the first stringer of floor 41 it is another It is vertical with the middle part of floor second cross beam 46 after one end drawing-in corner cut 323 to connect, one end of floor second cross beam 46 and side wall the Three vertical beams 53, the second vertical beam of side wall 52 middle part vertically connect, the second vertical beam of side wall 52 is located at the first vertical beam of side wall 51, side wall Between three vertical beams 53, the bottom end of the first vertical beam of side wall 51 is vertical with the middle part of the second vertical beam of side wall 52 by side wall first crossbeam 54 Connection, the other end of floor second cross beam 46 is vertical with one end of the first vertical beam of floor 49 to be connect, the first vertical beam of floor 49 it is another One end is vertical with one end of floor third crossbeam 47 to be connect, the other end and side wall third vertical beam 53, side of floor third crossbeam 47 The middle part for enclosing the second vertical beam 52 vertically connects, and floor third crossbeam 47 is arranged lower than floor second cross beam 46, floor third crossbeam 47 middle part by floor third stringer 43, the 4th stringer 44 of floor is vertical with the middle part of the 4th crossbeam 48 of floor connect;
The top of the floor second cross beam 46 is connected with rear foreboard flared end 221, the bottom of floor second cross beam 46 with Flared end 326 is indulged in inside second, outside indulges flared end 331 and is connected, and the bottom of the second stringer of floor 42 indulges flared end 331 with outside and is connected It connects, the bottom of floor first crossbeam 45 is connected with the horizontal flared end 315 of bottom plate first, the bottom of the first stringer of floor 41 and inside the Two vertical flared ends 326 are connected, and the bottom plate first erects flared end 316 and is connected with the first vertical beam of side wall 51, and the perpendicular expansion of bottom plate second Side 317, bottom plate third are erected flared end 318 and are arranged higher than side wall first crossbeam 54.Erect flared end 327, bottom plate the 4th in the inside second Horizontal flared end 319, outside erect flared end 332 and the rear Joining Technology entered the wind between foreboard 22 is the technique of first be bonded staking again, and When staking, using the uniform staking of multiple rivets.
Embodiment 6:
Basic content with embodiment 5, the difference is that:
The upper air inlet unit 6 include in the longitudinal direction in the sequentially connected perpendicular arc plate 61 of zigzag, upper flat transverse slat 62 with it is upper Perpendicular plate 63, the outer side edges of upper perpendicular arc plate 61 in the longitudinal direction are located at the outside of the first vertical beam of side wall 51, and upper perpendicular plate 63 is in longitudinal direction On outer side edges be connected with the outer wall of the second vertical beam of side wall 52;The bottom and floor of the upper perpendicular arc plate 61, upper flat transverse slat 62 First crossbeam 45, the horizontal flared end 324 in inside first top be connected, the top of the bottom of upper perpendicular plate 63 and side wall first crossbeam 54 Portion is connected, and advance air port 81 is located at upper perpendicular plate 63, side wall first crossbeam 54, between the first vertical beam of side wall 51.Describedly The bottom of plate third crossbeam 47 is connected with the top of bracket 11, and the inner end of bracket 11 is through frame connecting plate 12 and longitudinal beam 13 It is connected, and air cleaner 10 is fixedly connected by air filter mounting plate 103 with bracket 11;Outside the nearly car door of the air-inlet grille 1 The top of plate 71 is arranged.
Embodiment 7:
Basic content with embodiment 1, the difference is that:
Air inlet interior plate 23 is arranged after the drainage hole 251 is close, and drainage hole 251 is communicated with the top of drainage belt 252, is drained Top and rear air inlet 25 flush of bottom plate with 252;Air inlet outer panel 24 is arranged after the air filter hole 102 is close, air filter hole 102 with The top of air filter connecting plate 101 communicates, and the bottom end of air filter connecting plate 101 is communicated with air cleaner 10, and air filter connects Air inlet bottom plate 25 is arranged after the top of fishplate bar 101 is higher than.Angle after described before top inclined plate 211, rear top plate 212 is blunt Angle, the rear angle entered the wind between foreboard 22, rear top inclined plate 211 is acute angle.

Claims (7)

1. the air inlet system on a kind of prepositive engine coach, including air-inlet grille (1), upper section air duct (7), air intake passage and sky One end of air cleaner (10), the upper section air duct (7) is communicated through air-inlet grille (1) with the air outside vehicle, upper section air duct (7) The other end communicates after air intake passage with air cleaner (10), it is characterised in that:
The air intake passage includes advancing air channel (8) and rear air intake passage (9), and the advancing air channel (8) includes ground tabulare Frame (4) and the advancing air unit (3) connected thereon, rear air intake passage (9) include floor frame (4) and the rear air inlet that connects thereon Unit (2), and the premenstrual air intake passage (8) of rear air intake passage (9) is communicated with the bottom of upper section air duct (7);
Top plate (21) are entered the wind after air inlet unit (2) includes after described, are entered the wind foreboard (22) afterwards, are entered the wind interior plate (23) afterwards, is laggard Wind outer panel (24) and rear air inlet bottom plate (25);It is described after air inlet top plate (21) be Z-type structure, including rear top inclined plate (211), after Top plate (212) and rear top riser (213), push up afterwards inclined plate (211) successively after top plate (212), push up afterwards riser (213), after Air inlet bottom plate (25) is connected with rear air inlet foreboard (22) afterwards, enters the wind offer and advancing air channel in the middle part of foreboard (22) afterwards (8) rear air inlet (91) communicated enters the wind top plate (21) afterwards, enters the wind foreboard (22) afterwards, the sky that air inlet bottom plate (25) is surrounded afterwards Interior plate (23) are entered the wind after being inlaid with respectively in area, enter the wind outer panel (24) afterwards.
2. the air inlet system on a kind of prepositive engine coach according to claim 1, it is characterised in that:
The advancing air unit (3) includes advancing air bottom plate (31), advancing air interior plate (32), advancing air outer panel (33), institute State advancing air interior plate (32), the setting of advancing air outer panel (33) face, advancing air interior plate (32), advancing air outer panel (33) Bottom vertical with the two sides of advancing air bottom plate (31) respectively connect.
3. the air inlet system on a kind of prepositive engine coach according to claim 2, it is characterised in that:
The advancing air bottom plate (31) include sequentially connected the first connecting plate of bottom plate (311), the second connecting plate of bottom plate (312), Bottom plate third connecting plate (313) and the 4th connecting plate (314) of bottom plate;The advancing air interior plate (32) includes being mutually connected vertically The first connecting plate of inside (321), the second connecting plate of inside (322), the bottom edge of first connecting plate of inside (321) and bottom plate On third connecting plate (313) between bottom plate third connecting plate (313) inner side edge, bottom plate the 4th connecting plate (314) inner side edge Position vertically connect, the bottom edge of the second connecting plate of inside (322) is vertical with the inner side edge of the 4th connecting plate (314) of bottom plate to be connected It connects, the first connecting plate of inside (321) is higher than the second connecting plate of inside (322), the first connecting plate of bottom plate (311) is arranged.
4. the air inlet system on a kind of prepositive engine coach according to claim 3, it is characterised in that:
The closely position of itself and inside the second connecting plate (322) junction offers one on first connecting plate of inside (321) The corner cut (323) of rectangle is connected separately with the first horizontal expansion of inside on the top margin of first connecting plate of inside (321), inner side edge Side (324), inside first are erected flared end (325), the top margin of second connecting plate of inside (322), and its with rear air inlet foreboard (22) the second vertical flared end (326) of inside is connected separately on the position connected, flared end (327), inside first are erected in inside second Horizontal flared end (324), inside second, which are indulged, accompanies corner cut (323) between flared end (326);
The top margin of the advancing air outer panel (33), and its be connected separately with outside on the position that foreboard (22) connect with rear enter the wind Flared end (331) is indulged in side, flared end (332) are erected in outside;
The first horizontal flared end of bottom plate (315), bottom plate first are connected on the top margin of first connecting plate of bottom plate (311), inner side edge Perpendicular flared end (316), the second connecting plate of bottom plate (312), bottom plate third connecting plate (313) inner side edge on be connected separately with bottom plate the Two perpendicular flared ends (317), bottom plate third erect flared end (318), and it is horizontal that bottom plate the 4th is connected on the bottom edge of the 4th connecting plate (314) of bottom plate Flared end (319);
The inside second erect flared end (327), the horizontal flared end (319) of bottom plate the 4th, outside erect flared end (332) be sequentially connected with constitute One U-shaped front air outlet (82) communicated with rear air inlet (91), rear air inlet (91) are located at the middle part of front air outlet (82), And rear foreboard flared end (221) is connected on the top margin of rear air inlet foreboard (22);Erect flared end (325), bottom plate in the inside first Third erects flared end (318), bottom plate second erects flared end (317), bottom plate first erect flared end (316) be sequentially connected with constitute one with it is upper The U-shaped advance air port (81) that Duan Fengdao (7) bottom communicates.
5. the air inlet system on a kind of prepositive engine coach according to claim 1, it is characterised in that:
The floor frame (4) include the first stringer of floor (41), the second stringer of floor (42), floor third stringer (43), The 4th stringer (44) of plate and floor first crossbeam (45), floor second cross beam (46), floor third crossbeam (47), floor Four crossbeams (48) and the first vertical beam of floor (49);
The middle part of the floor second cross beam (46) is vertical with the second stringer of floor (42) to be connect, in the second stringer of floor (42) Portion is vertical with one end of floor first crossbeam (45) to be connect, the other end and the first vertical beam of side wall (51) of floor first crossbeam (45) Middle part vertically connect, the middle part of floor first crossbeam (45) is vertical with one end of the first stringer of floor (41) to be connect, floor The other end drawing-in corner cut (323) of one stringer (41) is vertical with the middle part of floor second cross beam (46) afterwards to be connect, and floor second is horizontal One end of beam (46) is vertical with the middle part of side wall third vertical beam (53), the second vertical beam of side wall (52) to be connect, the second vertical beam of side wall (52) between the first vertical beam of side wall (51), side wall third vertical beam (53), the bottom end of the first vertical beam of side wall (51) passes through side wall First crossbeam (54) is vertical with the middle part of the second vertical beam of side wall (52) to be connect, the other end of floor second cross beam (46) and floor the One end of one vertical beam (49) vertically connects, and the other end of the first vertical beam of floor (49) is vertical with one end of floor third crossbeam (47) Connection, the other end of floor third crossbeam (47) is vertical with the middle part of side wall third vertical beam (53), the second vertical beam of side wall (52) to be connected It connects, floor third crossbeam (47) is arranged lower than floor second cross beam (46), and the middle part of floor third crossbeam (47) passes through floor the Three stringers (43), the 4th stringer (44) of floor is vertical with the middle part of the 4th crossbeam (48) of floor connect;
The top of the floor second cross beam (46) is connected with rear foreboard flared end (221), the bottom of floor second cross beam (46) Flared end (326) is indulged with inside second, outside indulges flared end (331) and is connected, the vertical expansion in the bottom and outside of the second stringer of floor (42) Side (331) is connected, and the bottom of floor first crossbeam (45) is connected with the first horizontal flared end of bottom plate (315), the first stringer of floor (41) bottom indulges flared end (326) with inside second and is connected, and the bottom plate first erects flared end (316) and the first vertical beam of side wall (51) it is connected, and bottom plate second erects flared end (317), bottom plate third is erected flared end (318) and is arranged higher than side wall first crossbeam (54).
6. the air inlet system on a kind of prepositive engine coach according to claim 5, it is characterised in that:
It is connected at the top of the bottom of the floor third crossbeam (47) and bracket (11), the inner end of bracket (11) is connected through vehicle frame Plate (12) is connected with longitudinal beam (13), and air cleaner (10) is fixed by air filter mounting plate (103) and bracket (11) Connection.
7. the air inlet system on a kind of prepositive engine coach according to claim 1, it is characterised in that:
The upper section air duct (7) includes door skin (71), inner plate of car door (72) and upper air inlet unit (6), the upper air inlet list First (6) include in the longitudinal direction in the sequentially connected perpendicular arc plate (61) of zigzag, upper flat transverse slat (62) and upper perpendicular plate (63), on The perpendicular outer side edges of arc plate (61) in the longitudinal direction are located at the outside of the first vertical beam of side wall (51), upper perpendicular plate (63) in the longitudinal direction outside Side is connected with the outer wall of the second vertical beam of side wall (52);The bottom and floor of the upper perpendicular arc plate (61), upper flat transverse slat (62) It is connected at the top of first crossbeam (45), the first horizontal flared end of inside (324), the bottom of upper perpendicular plate (63) and side wall first crossbeam (54) it is connected at the top of, and advance air port (81) are located at upper perpendicular plate (63), side wall first crossbeam (54), the first vertical beam of side wall (51) between.
CN201610788838.0A 2016-08-31 2016-08-31 Air inlet system on front engine passenger car Active CN106274448B (en)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2000238997A (en) * 1999-02-22 2000-09-05 Tennex Corp Engine intake noise reducing device for industrial vehicle
CN201613813U (en) * 2010-03-11 2010-10-27 东风汽车有限公司 Air filter air inlet duct structure of passenger car
CN202573781U (en) * 2012-05-07 2012-12-05 东风汽车有限公司 Air cooling air filter air inlet device for new energy passenger car motor
CN202573782U (en) * 2012-05-07 2012-12-05 东风汽车有限公司 Passenger train power battery cabin and empty air filter air inlet structure
CN206124745U (en) * 2016-08-31 2017-04-26 东风商用车有限公司 Air inlet system on front engine passenger car

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6698539B2 (en) * 2002-04-09 2004-03-02 Almarv, Llc Intake apparatus for feeding air to engine compartment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000238997A (en) * 1999-02-22 2000-09-05 Tennex Corp Engine intake noise reducing device for industrial vehicle
CN201613813U (en) * 2010-03-11 2010-10-27 东风汽车有限公司 Air filter air inlet duct structure of passenger car
CN202573781U (en) * 2012-05-07 2012-12-05 东风汽车有限公司 Air cooling air filter air inlet device for new energy passenger car motor
CN202573782U (en) * 2012-05-07 2012-12-05 东风汽车有限公司 Passenger train power battery cabin and empty air filter air inlet structure
CN206124745U (en) * 2016-08-31 2017-04-26 东风商用车有限公司 Air inlet system on front engine passenger car

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