CN202124086U

CN202124086U - Fuel evaporation system mounting structure assembly and motorcycle employing same

Info

Publication number: CN202124086U
Application number: CN201120199796XU
Authority: CN
Inventors: 李小红; 覃永川
Original assignee: Chongqing Longxin Engine Co Ltd
Current assignee: Chongqing Longxin Engine Co Ltd
Priority date: 2011-06-14
Filing date: 2011-06-14
Publication date: 2012-01-25
Anticipated expiration: 2021-06-14

Abstract

The utility model relates to a fuel evaporation system mounting structure assembly and a motorcycle employing the structure assembly. The fuel evaporation system mounting structure assembly comprises a carbon canister and a pipeline system, wherein the carbon canister is fixedly arranged on a fuel tank; since the carbon canister of the fuel evaporation system mounting structure assembly provided by the utility model is fixedly arranged on the fuel tank and is integrally connected with the fuel tank, when a fuel evaporation system mounting structure is assembled, the fuel tank is mounted firstly, then the pipeline between the carbon canister and a carburetor is connected, the fuel evaporation system mounting process is simplified, the mounting can be completed by one person, so that the labor is saved; and meanwhile, improper bending in the mounting process of a vent pipeline can be avoided so as to ensure smoothness of vent pipes, thus the long-term normal operation of the fuel evaporation system is ensured, the fuel evaporation system mounting structure is simplified, the occupied area is reduced, and the use and maintenance costs can be reduced; besides, vehicles can have compact structures and attractive appearances.

Description

EVAP Evaporative System installation structure assembly and motor bike thereof

Technical field

The utility model relates to a kind of engine accessory parts that are used for, particularly a kind of EVAP Evaporative System parts and motor bike thereof.

Background technology

Spark ignition engine is the first-selected energy of light-duty power plant, obtains comparatively general use at motor bike.Gasoline is a kind of highly volatile liquid, and fuel tank often is full of steam at normal temperatures, and the normal circumstances lower fuel tank is a sealing state, prevents the oil vapour contaminated environment or causes safety misadventure unnecessary; And because the existence of oil steam in oil tank malleation; Can also suppress the further evaporation of gasoline; It is not permanent seal in other words that but fuel tank must not seal; And in order to prevent that fuel-steam from evaporating in the atmosphere, adopt fuel evaporation control system, fuel-steam is introduced burning and prevented to evaporate in the atmosphere.

EVAP Evaporative System comprises Charcoal canister and pipeline system; Utilize the charcoal absorption fuel-steam, during engine starting, be contained in valve open between Charcoal canister and the induction maniflod; Gasoline vapors in the Charcoal canister is inhaled into induction maniflod and participates in burning; And after the fuel oil of absorption is finished by desorption, utilize this passage to be in long-term tonifying Qi state, be equivalent to carry out secondary air compensating.In the prior art, Charcoal canister and pipeline system are positioned at the fuel tank bottom and are installed on vehicle frame, and carbon canister is communicated with through the gas phase that the fuel-steam pipe is connected in the oil separator in the fuel tank; Therefore; Before fuel tank is installed, need earlier pipeline system and carbon canister and toppling valve, check valve are connected, connection procedure is extremely complicated, need with after the fuel tank picking-up with the connection of pipeline; Pipeline connects to finish fuel tank is loaded on the vehicle frame; Therefore need many people cooperate installation,, be placed on and cause the part breather pipe to be prone to produce problems such as deformation bending results in blockage on the vehicle frame because fuel tank holds up the back connecting line.

Therefore, need the EVAP Evaporative System mounting structure of driving engine be improved, simplify the EVAP Evaporative System erection procedure, labor savings; Simultaneously, avoid the improper bending in the vent line installation process, guarantee that breather pipe is unimpeded; Thereby the long period that guarantees EVAP Evaporative System normally moves, and simplifies the mounting structure of EVAP Evaporative System, and minimizing takes up room; Make vehicle structure compact, appearance looks elegant reduces the operation and maintenance cost.

The utility model content

In view of this, the purpose of the utility model provides a kind of EVAP Evaporative System installation structure assembly and motor bike thereof, simplifies the EVAP Evaporative System erection procedure, labor savings; Simultaneously, avoid the improper bending in the vent line installation process, guarantee that breather pipe is unimpeded; Thereby the long period that guarantees EVAP Evaporative System normally moves, and simplifies the mounting structure of EVAP Evaporative System, and minimizing takes up room; Make vehicle structure compact, appearance looks elegant reduces the operation and maintenance cost.

The EVAP Evaporative System installation structure assembly of the utility model comprises charcoal jar and pipeline system, and said charcoal jar is fixedly set in fuel tank.

Further, said charcoal jar is fixedly set in fuel tank base plate lower surface, and spatial destribution is reasonable, avoids the charcoal jar to expose to the surface, guarantees tank surface and compactness attractive in appearance on every side thereof, improves the car load in-use performance.

Further, said charcoal jar is arranged at depressed part that the fuel tank base plate upwards forms and the space between the vehicle frame; Utilize the space between fuel tank and the vehicle frame, avoid taking the assembly space of other parts, not only make complete vehicle structure compact, outward appearance is good, and does not influence the volume of fuel tank.

Further, said pipeline system comprises breather pipe I and breather pipe II, and said breather pipe I one end is communicated in fuel tank oil separator gas phase; The other end is communicated in charcoal jar fuel-steam adsorption orifice, and breather pipe I pipeline is provided with toppling valve, and said toppling valve is fixed in fuel tank base plate lower surface; Said breather pipe II one end is communicated in charcoal jar desorption mouth, and the other end is communicated in the carburettor combi inlet port, and this structure makes pipeline system simple in structure; Arrange neat; Toppling valve and fuel tank relative fixed are avoided repeating installing, and reduce work capacity.

Further; Said charcoal jar is fixedly set in fuel tank base plate lower surface through charcoal jar mounting bracket; Said charcoal jar mounting bracket comprises support and pressing plate, and said support is fixedly set in the fuel tank base plate, and pressing plate is detachable to be fixedly connected on support and the charcoal jar is pressed in support; Simple in structure, easy accessibility.

Further, said toppling valve is fixedly set in the upwards sidewall of the depressed part of formation of fuel tank base plate through the toppling valve support; Connection and reasonable arrangement avoids the installation of each parts to disturb; Said toppling valve hangs on the toppling valve support through resilient sleeve banding formula, and to the vibrations of toppling valve, it is malfunctioning to prevent to damage the back in the reduction vehicle ' process.

Further, said support and pressing plate are the arcuate structure of fitting shape with the charcoal tank skin, and pressing plate one end and support are formed for the charcoal jar is carried out the loop configuration of banding through tenon mortise structure snapping after the other end is captiveed joint with support is detachable; The charcoal jar adopts the anchor ear form, and is easy to assembly, structure is firm, and the charcoal jar is formed the fixing of maximum contact area, makes its fixation, guarantees its in-use performance.

Further; Connection was provided with the breather pipe III that is used to be communicated with atmosphere before said breather pipe I was positioned at toppling valve; Said breather pipe III pipeline is provided with breather check valve; Said breather check valve is fixedly set in the depressed part that the fuel tank base plate upwards forms, and accomplishes the purpose of balance, evaporation through the mode that communicates between the pipeline, makes the piping layout of EVAP Evaporative System succinctly neat; And check valve, toppling valve, charcoal jar all are positioned at fuel tank base plate lower surface, and distance is near between parts, reduces each breather pipe length, makes things convenient for piping layout.

Further; The U-shaped support that said toppling valve support is a upward opening, said toppling valve holder hangs on the U-shaped support in the U-shaped support and through resilient sleeve banding formula, adopts the U-shaped support; Can toppling valve be held up; When preventing to shake, avoid resilient sleeve loosening, thereby avoid the problem that causes toppling valve to come off; Said breather pipe I, breather pipe II and breather pipe III fix by the corresponding wire clamp that is distributed in the fuel tank plate outer surface with it; The integral body that pipeline system and fuel tank are formed a fixed connection; Do not have motion each other, avoid the passive bending of pipeline, thereby further guarantee the unobstructed of EVAP Evaporative System.

The invention also discloses a kind of motor bike of using described EVAP Evaporative System installation structure assembly, said EVAP Evaporative System installation structure assembly is installed on motor bike.

The beneficial effect of the utility model is: the EVAP Evaporative System installation structure assembly and the motor bike thereof of the utility model, and the charcoal jar of EVAP Evaporative System installation structure assembly is fixedly set in fuel tank, forms whole the connection with fuel tank; During assembling, connect the pipeline between charcoal jar and the carburettor again after can earlier fuel tank being installed, simplify the EVAP Evaporative System erection procedure; One people can accomplish installation, labor savings, simultaneously; Avoid the improper bending in the vent line installation process, guarantee that breather pipe is unimpeded, thereby the long period that guarantees EVAP Evaporative System moves normally; And the mounting structure of simplification EVAP Evaporative System, minimizing takes up room, and makes vehicle structure compact; Appearance looks elegant reduces the operation and maintenance cost.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the fuel tank upward view;

Fig. 3 is a charcoal jar mounting bracket structural representation;

Fig. 4 is the toppling valve scheme of installation.

The specific embodiment

Fig. 1 is the structural representation of the utility model; Fig. 2 is the fuel tank upward view; Fig. 3 is a charcoal jar mounting bracket structural representation, and Fig. 4 is the toppling valve scheme of installation, and is as shown in the figure: the EVAP Evaporative System installation structure assembly of present embodiment; Comprise charcoal jar 6 and pipeline system, said charcoal jar 6 is fixedly set in fuel tank 1.

In the present embodiment, said charcoal jar 6 is fixedly set in fuel tank 1 base plate lower surface, and spatial destribution is reasonable, avoids charcoal jar 6 to expose to the surface, guarantees tank surface and compactness attractive in appearance on every side thereof, improves the car load in-use performance.

In the present embodiment, said charcoal jar 6 is arranged at depressed part 11 that fuel tank 1 base plate upwards forms and the space between the vehicle frame 10; Depressed part 11 cooperates with vehicle frame and with vehicle frame for being used for the fuel tank installation in the prior art; There is unnecessary upper space; Utilize the depressed part 11 of fuel tank 1 and the space between the vehicle frame 10, avoid taking the assembly space of other parts, not only make complete vehicle structure compact; Outward appearance is good, and does not influence the volume of fuel tank.

In the present embodiment, said pipeline system comprises breather pipe I 9 and breather pipe II2, and said breather pipe I 9 one ends are communicated in fuel tank oil separator gas phase; The other end is communicated in charcoal jar 6 fuel-steams inlet; And breather pipe I 9 pipelines are provided with toppling valve 3, and said toppling valve 3 is fixed in fuel tank 1 base plate lower surface, and said breather pipe II9 one end is communicated in charcoal jar 6 desorption mouths; The other end is communicated in carburettor 12 combi inlet ports, and breather pipe I 9 and breather pipe II2 can be that flexible pipe passes through joint and forms and be connected; Because toppling valve 3 all is fixed in fuel tank with charcoal jar 6, thereby also can be that the hard tube road connects, this structure makes pipeline system simple in structure, arranges neatly, and toppling valve and fuel tank relative fixed are avoided repeating installing, and reduce work capacity.

In the present embodiment, said charcoal jar 6 is fixedly set in fuel tank 1 base plate lower surface through charcoal jar mounting bracket 5, and said charcoal jar mounting bracket 5 comprises support 51 and pressing plate 52, and said support 51 is fixedly set in fuel tank 1 base plate, can adopt connection modes such as welding, riveted joint; Pressing plate 52 is detachable to be fixedly connected on support 51 and charcoal jar 6 is pressed in support 51, and the mode of removably connecting can adopt bolted connection or snapping; Simple in structure, easy accessibility.

In the present embodiment, said toppling valve 3 is fixedly set in the upwards sidewall of the depressed part 11 of formation of fuel tank 1 base plate through toppling valve support 4; Connection and reasonable arrangement avoids the installation of each parts to disturb; Said toppling valve 3 hangs on toppling valve support 4 through resilient sleeve banding formula, and resilient sleeve adopts the elastic caoutchouc cover; To the vibrations of toppling valve, it is malfunctioning to prevent to damage the back in the reduction vehicle ' process.

In the present embodiment; Said support 51 is the arcuate structure of fitting shape with the charcoal tank skin with pressing plate 52; Pressing plate 52 1 ends and support 51 be through tenon mortise structure 53 snappings, and the other end and support 52 are detachable to be formed for the charcoal jar is carried out the loop configuration of banding after captiveing joint; Tenon mortise structure 53 is meant that support 51 and one of pressing plate 52 are provided with mortise (through hole), and another parts are provided with tenon, and tenon inserts mortise; Utilize the support 51 and pressing plate 52 other ends connection and and the charcoal jar between interference relationship the charcoal jar is formed anchor ear; The charcoal jar adopts the anchor ear form, and is easy to assembly, structure is firm, and the charcoal jar is formed the fixing of maximum contact area; Make its fixation, guarantee its in-use performance.

In the present embodiment; Connection was provided with the breather pipe III8 that is used to be communicated with atmosphere before said breather pipe I 9 was positioned at toppling valve 3; Said breather pipe III8 pipeline is provided with breather check valve 7; Said breather pipe III8 pipeline is provided with breather check valve 7, and said breather check valve is fixedly set in gas phase bonded assembly one end that is meant before the depressed part toppling valve 3 that the fuel tank base plate upwards forms with oil separator; Accomplish the purpose of balance, evaporation through the mode that communicates between the pipeline, make the piping layout of EVAP Evaporative System succinctly neat; And check valve 7, toppling valve 3, charcoal jar 6 all are positioned at fuel tank base plate lower surface, and distance is near between parts, reduces each breather pipe length, makes things convenient for piping layout.

In the present embodiment; Said toppling valve support 4 is the U-shaped support of upward opening, and said toppling valve 3 holds in the palm in the U-shaped support and through elasticity cuff 41 compact forms and hangs on the U-shaped support, adopts the U-shaped support; Can toppling valve be held up; When preventing to shake, avoid resilient sleeve loosening, thereby avoid the problem that causes toppling valve 3 to come off; Said breather pipe I 9, breather pipe II2 and breather pipe III8 fix (because ply-yarn drill can be structure of the prior art by the corresponding wire clamp that is distributed in the fuel tank plate outer surface with it; Such as the elasticity card; Thereby not expression among the figure), the integral body that pipeline system and fuel tank are formed a fixed connection does not have motion each other; Avoid the passive bending of pipeline, thereby further guarantee the unobstructed of EVAP Evaporative System.

Present embodiment also discloses a kind of motor bike of using the EVAP Evaporative System installation structure assembly, and said EVAP Evaporative System installation structure assembly is installed on motor bike.

Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment to the technical scheme of the utility model or/and be equal to replacement; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims

1. a motorcycle fuel evaporation system installation structure assembly comprises charcoal jar and pipeline system, it is characterized in that: said charcoal jar is fixedly set in fuel tank.

2. motorcycle fuel evaporation according to claim 1 system installation structure assembly, it is characterized in that: said charcoal jar is fixedly set in fuel tank base plate lower surface.

3. motorcycle fuel evaporation according to claim 2 system installation structure assembly is characterized in that: said charcoal jar is arranged at depressed part that the fuel tank base plate upwards forms and the space between the vehicle frame.

4. motorcycle fuel evaporation according to claim 3 system installation structure assembly; It is characterized in that: said pipeline system comprises breather pipe I and breather pipe II, and said breather pipe I one end is communicated in fuel tank oil separator gas phase, and the other end is communicated in charcoal jar fuel-steam adsorption orifice; And breather pipe I pipeline is provided with toppling valve; Said toppling valve is fixed in fuel tank base plate lower surface, and said breather pipe II one end is communicated in charcoal jar desorption mouth, and the other end is communicated in the carburettor combi inlet port.

5. motorcycle fuel evaporation according to claim 4 system installation structure assembly; It is characterized in that: said charcoal jar is fixedly set in fuel tank base plate lower surface through charcoal jar mounting bracket; Said charcoal jar mounting bracket comprises support and pressing plate; Said support is fixedly set in the fuel tank base plate, and pressing plate is detachable to be fixedly connected on support and the charcoal jar is pressed in support.

6. motorcycle fuel evaporation according to claim 5 system installation structure assembly is characterized in that: said toppling valve is fixedly set in the sidewall of the depressed part that the fuel tank base plate upwards forms through the toppling valve support; Said toppling valve hangs on the toppling valve support through resilient sleeve banding formula.

7. motorcycle fuel evaporation according to claim 6 system installation structure assembly; It is characterized in that: said support and pressing plate are the arcuate structure of fitting shape with the charcoal tank skin; Pressing plate one end and support are formed for the charcoal jar is carried out the loop configuration of banding through tenon mortise structure snapping after the other end is captiveed joint with support is detachable.

8. motorcycle fuel evaporation according to claim 7 system installation structure assembly; It is characterized in that: connection was provided with the breather pipe III that is used to be communicated with atmosphere before said breather pipe I was positioned at toppling valve; Said breather pipe III pipeline is provided with breather check valve, and said breather check valve is fixedly set in the depressed part that the fuel tank base plate upwards forms.

9. motorcycle fuel evaporation according to claim 8 system installation structure assembly is characterized in that: the U-shaped support that said toppling valve support is a upward opening, and said toppling valve holder hangs on the U-shaped support in the U-shaped support and through resilient sleeve banding formula; Said breather pipe I, breather pipe II and breather pipe III fix by the corresponding wire clamp that is distributed in the fuel tank plate outer surface with it.

10. an application rights requires the motor bike of the described EVAP Evaporative System installation structure assembly of 1 to 9 arbitrary claim, and it is characterized in that: said EVAP Evaporative System installation structure assembly is installed on motor bike.