CN203374393U - Car carbon tank and car - Google Patents
Car carbon tank and car Download PDFInfo
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- CN203374393U CN203374393U CN201320364091.8U CN201320364091U CN203374393U CN 203374393 U CN203374393 U CN 203374393U CN 201320364091 U CN201320364091 U CN 201320364091U CN 203374393 U CN203374393 U CN 203374393U
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- balancing disk
- automobile
- vapour lock
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Abstract
The utility model provides a car carbon tank aiming at the defect that partial activated carbon inside an existing car carbon tank can not well participate in adsorption and desorption of fuel vapor. The car carbon tank comprises a shell, a lower cover plate and a separation plate. An internal cavity is formed between the shell and the lower cover plate, and the internal cavity is divided into a left cavity and a right cavity through the separation plate, wherein the lower portion of the left cavity and the lower portion of the right cavity are communicated. An adsorption port, a desorption port and a port open to atmosphere are formed in the upper portion of the shell. The car carbon tank further comprises a lateral resistance balance plate arranged in the left cavity. The lateral resistance balance plate comprises a first resistance through hole located below the adsorption port and a second resistance through hole located below the desorption port, and additional resistance on airflow flowing through the lateral resistance balance plate at the first resistance through hole is smaller than that at the second resistance through hole. By means of the car carbon tank, more activated carbon can participate in adsorption and desorption of the fuel vapor, therefore, adsorption efficiency of the fuel vapor can be improved, air pollution is lightened, and fuel economy can be improved.
Description
Technical field
The utility model belongs to automobile gasoline evaporation control system technical field, particularly relates to a kind of automobile canister and automobile.
Background technique
Canister is the part of vehicle fuel oil evaporation control system (EVAP), and it is arranged between petrol tank and motor usually, and its effect is mainly reduce fuel tank intermediate fuel oil steam to the pollution of atmosphere and improve fuel economy.
Its structure of traditional canister is roughly plastic case structure, and active carbon inside is housed, and is furnished with respectively adsorption port, desorption mouth and atmosphere entry on housing.
In addition, for improving adsorption performance, in prior art, also there is inner space that canister is loaded to active carbon to be divided into left chamber and two chambers of right chamber, it to increase the absorption path, improves adsorption efficiency by adsorption port, desorption mouth and atmosphere entry are separated with dividing plate.
But its internal structure setting of the canister of prior art can cause gas resistance inequality everywhere when the canister internal flow, causes the part active carbon can't well participate in absorption and the desorption work of fuel vapor.
The model utility content
Technical problem to be solved in the utility model is can't well participate in the defect of absorption and the desorption work of fuel vapor for its inner part active carbon of existing automobile canister, and a kind of automobile canister is provided.
It is as follows that the utility model solves the problems of the technologies described above adopted technological scheme:
A kind of automobile canister is provided, comprise the housing with lower openings, seal the lower cover plate of described lower housing portion opening and be arranged on the dividing plate on described housing, be formed with the internal cavities of a filling active carbon between described housing and described lower cover plate, described dividing plate is divided into by described internal cavities left chamber and the right chamber that bottom is communicated with, the top of described housing is provided with adsorption port, desorption mouth and atmosphere entry, described adsorption port and desorption mouth are communicated with described left chamber, described atmosphere entry is communicated with described right chamber, described automobile canister also comprises the lateral resistance balancing disk be arranged in described left chamber, described lateral resistance balancing disk comprises the first resistance through hole that is positioned at described adsorption port below and the second resistance through hole that is positioned at described desorption mouth below, the air-flow of described lateral resistance balancing disk of flowing through is less than it in described the second suffered additional drag in resistance through hole in described the first suffered additional drag in resistance through hole.
Further, the breathing area of described the first resistance through hole is greater than the breathing area of described the second resistance through hole.
Further, described the first resistance through hole comprises first through hole, and described the second resistance through hole comprises spaced a plurality of the first small through hole.
Further, on described housing madial wall, be provided with the first limited step, be provided with in opposite directions the second limited step on described dividing plate, the two ends of described lateral resistance balancing disk are overlapped on respectively on described the first limited step and described the second limited step.
Further, the bottom of described internal cavities be provided with one can be relatively described the lower pedal that slides of housing madial wall, be provided with the elasticity preload piece between described lower pedal and described lower cover.
Further, described elasticity preload piece is preloading spring, and described lower cover forms recess downwards, and an end of described preloading spring is arranged in described recess, and the other end of described preloading spring is supported on the bottom of described lower pedal.
Further, described automobile canister also comprises the longitudinal resistance balancing disk be arranged between described lateral resistance balancing disk and described housing top, described longitudinal resistance balancing disk comprises that the air-flow of the described longitudinal resistance balancing disk of flowing through is less than it in described the second suffered additional drag in vapour lock through hole in described the first suffered additional drag in vapour lock through hole near the second vapour lock through hole of the first vapour lock through hole of described adsorption port and close described lateral resistance balancing disk.
Further, the breathing area of described the first vapour lock through hole is greater than the breathing area of described the second vapour lock through hole.
Further, described the first vapour lock through hole comprises second largest through hole, and described the second vapour lock through hole comprises spaced a plurality of the second small through hole.
The automobile canister that the utility model provides, the lateral resistance balancing disk is set in described left chamber, and make the air-flow of the described lateral resistance balancing disk of flowing through be less than it in described the second suffered additional drag in resistance through hole in described the first suffered additional drag in resistance through hole, carry out airflow balancing mobile resistance in left chamber with this, in order to make more active carbon participate in the adsorption and desorption work of fuel vapor, thereby improved the adsorption efficiency of fuel vapor, reduced pollution of atmosphere and improve fuel economy.
In addition, the utility model also provides a kind of automobile, and described automobile comprises above-mentioned automobile canister.
The automobile that the utility model provides, owing to having above-mentioned automobile canister, not only improved the adsorption efficiency of the fuel vapor of fuel evaporation control system, and reduced pollution of atmosphere and improved fuel economy.
The accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the automobile canister that provides of the utility model the first embodiment;
Fig. 2 is the structural representation of its lateral resistance balancing disk of automobile canister of providing of the utility model the first embodiment;
Fig. 3 is the internal structure schematic diagram of the automobile canister that provides of the utility model the second embodiment;
Fig. 4 is the structural representation of its longitudinal resistance balancing disk of automobile canister of providing of the utility model the second embodiment.
Reference character in Figure of description is as follows:
1, housing; 2, lower cover plate; 20, recess; 3, dividing plate; 4, active carbon; 5, internal cavities; 51, left chamber; 52, right chamber; 6, adsorption port; 7, desorption mouth; 8, atmosphere entry; 9, lateral resistance balancing disk; 91, the first resistance through hole; 910, first through hole; 92, the second resistance through hole; 920, the first small through hole; 10, the first limited step; 11, lower pedal; 12, elasticity preload piece; 13, longitudinal resistance balancing disk; 131, the first vapour lock through hole; 132, the second vapour lock through hole; 133, second largest through hole; 134, the second small through hole.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 2, the automobile canister provided for the utility model the first embodiment, it comprises housing 1, the lower cover plate 2 that seals described lower housing portion opening with lower openings and is arranged on the dividing plate 3 on described housing 1, described lower cover plate 2 is fixed on housing 1 by welding or the mode such as bolt connection, and described dividing plate 3 is one-body molded or be fixed on housing 1 by glue with described housing 1.Be formed with the internal cavities 5 of a filling active carbon 4 between described housing 1 and described lower cover plate 2, described dividing plate 3 is divided into by described internal cavities 5 left chamber 51 and the right chamber 52 that bottom is communicated with, the top of described housing 1 is provided with adsorption port 6, desorption mouth 7 and atmosphere entry 8, described adsorption port 6 and desorption mouth 7 be positioned at described left chamber 51 directly over and with described left chamber 51, be communicated with, the fuel vapor of fuel tank enters in the internal cavities 5 of canister and is adsorbed on active carbon 4 by adsorption port 6, fuel vapor in the internal cavities 5 of canister enters into motor car engine by desorption mouth 7 and is burnt, described atmosphere entry 8 be positioned at described right chamber 52 directly over and with described right chamber 52, be communicated with, by this atmosphere entry 8, the internal cavities of canister 5 is communicated with outside atmosphere.In embodiment illustrated in fig. 1, its horizontal cross sectional geometry of described canister is rectangular; But also other shape such as circular, oval of the horizontal cross sectional geometry of described canister in other embodiments.The shape of lateral resistance balancing disk and the horizontal cross sectional geometry of canister are suitable.
The working principle of canister is as follows: when ambient temperature changes or when driving, fuel oil rocks in fuel tank, the fuel oil start vaporizer of fuel tank, fuel vapor is via the breathing pipe on fuel tank, enter into the internal cavities of canister by the adsorption port of canister, utilize the distinctive adsorption performance of active carbon, fuel vapor is stored up.Because the internal cavities of canister communicates with outside atmosphere by the atmosphere entry on housing, therefore, can when driving, by the desorption mouth, will be adsorbed on fuel vapor on active carbon and be burnt in bringing to motor car engine.
In the present embodiment, described automobile canister also comprises the lateral resistance balancing disk 9 be arranged in described left chamber 51, described lateral resistance balancing disk 9 comprises the first resistance through hole 91 that is positioned at described adsorption port 6 belows and is positioned at the second resistance through hole 92 of described desorption mouth 7 belows, and the additional drag that the air-flow of the described lateral resistance balancing disk 9 of flowing through is subject in described the first resistance through hole 91 places is less than its additional drag be subject in described the second resistance through hole 92 places.Herein, additional drag refers to, with respect to the situation that lateral resistance balancing disk 9 is not set, after lateral resistance balancing disk 9 is set, the value added of air-flow resistance when flowing through this resistance balancing disk 9, that is, and in the present embodiment, air-flow, when flowing through this lateral resistance balancing disk 9, is less than the value added at second resistance through hole 92 place's resistances in the value added of first resistance through hole 91 place's resistances.Like this, when carrying out fuel vapor desorption and absorption, the resistance that the air-flow that enters or enter from fuel tank from atmosphere entry is subject to everywhere in left chamber is more balanced, is conducive to desorption and the absorption work of more active carbon (particularly being positioned at the active carbon of adsorption port below) participation fuel vapor in left chamber.
In the present embodiment, the breathing area of described the first resistance through hole 91 is greater than the breathing area of described the second resistance through hole 92, shape that can be by appropriate design the first resistance through hole 91, the second resistance through hole 92, arrange and size is controlled its breathing area, with this regulate air-flow by the time additional drag.
Preferably, as shown in Figures 1 and 2, described the first resistance through hole 91 comprises first through hole 910, and described the second resistance through hole 92 comprises spaced a plurality of the first small through hole 920.Described first through hole 910 can be the through hole that square opening, circular port and slotted eye etc. have regular shape, can be also erose through hole.In embodiment shown in Fig. 2, described first through hole 910 adopts square opening.The shape of a plurality of the first small through hole 920, size can be identical, also can be different.Single the first small through hole 920 can be the through hole that square opening, circular port and slotted eye etc. have regular shape, can be also erose through hole.In embodiment shown in Fig. 2, described the second resistance through hole 92 comprise a plurality of identical shaped, sizes the first small through hole 920, the first small through hole 920 be shaped as circle, circular port processing is simple.
In the present embodiment, in order to obtain preferably technique effect, can adopt the mode of computer simulation to design described lateral resistance balancing disk, so that the gas-flow resistance equilibrium of the internal cavities of canister, most active carbons of the internal cavities of canister can participate in the adsorption and desorption work of fuel vapor.
In the present embodiment, be provided with the first limited step 10 on described housing 1 madial wall, be provided with in opposite directions the second limited step 30 on described dividing plate 3, the two ends of described lateral resistance balancing disk 9 are overlapped on respectively on described the first limited step 10 and described the second limited step 30.Preferably, described the first limited step 10 is concordant with the second limited step 30 to guarantee the level of lateral resistance balancing disk 9.In the present embodiment, utilize active carbon 4 that the two ends of lateral resistance balancing disk 9 are squeezed in respectively on described the first limited step 10 and described the second limited step 30, to realize the location of lateral resistance balancing disk 9 relative housings 1.
In the present embodiment, the bottom of the internal cavities 5 of described canister be provided with one can be relatively described the lower pedal 11 that slides of housing 1 madial wall, be provided with elasticity preload piece 12 between described lower pedal 11 and described lower cover 2.Preferably, described elasticity preload piece 12 is preloading spring, and described lower cover 2 forms recess 20 downwards, and an end of described preloading spring 12 is arranged in described recess 20, and the other end of described preloading spring 12 is supported on the bottom of described lower pedal 11.
While packing active carbon in the internal cavities to canister, at first active carbon is filled up in left chamber to the space that is positioned at the first limited step top, then the lateral resistance balancing disk is pressed on the first limited step and the second limited step, the more active carbon of then packing into fills up with the inner space by canister, then the lower pedal of packing into, preloading spring and lower cover plate, lower pedal is pressed on active carbon in the internal cavities of canister under the active force of preloading spring, thereby can keep the certain density of active carbon, reduce the carbon granule gap, strengthen the fuel vapor adsorption effect of canister.
The automobile canister that the utility model the first embodiment provides, the lateral resistance balancing disk is set in described left chamber, and make the air-flow of the described lateral resistance balancing disk of flowing through be less than it in described the second suffered additional drag in resistance through hole in described the first suffered additional drag in resistance through hole, carry out airflow balancing mobile resistance in left chamber with this, in order to make more active carbon participate in the adsorption and desorption work of fuel vapor, thereby improved the adsorption efficiency of fuel vapor, reduced pollution of atmosphere and improve fuel economy.
As shown in Figures 3 and 4, the automobile canister provided for the utility model the second embodiment, with first embodiment's difference, be, in the present embodiment, described automobile canister also comprises the longitudinal resistance balancing disk 13 be arranged between described lateral resistance balancing disk 9 and described housing 1 top, described longitudinal resistance balancing disk 13 comprises near the first vapour lock through hole 131 of described adsorption port 6 and the second vapour lock through hole 132 of close described lateral resistance balancing disk 9, the air-flow of described longitudinal resistance balancing disk 13 of flowing through is less than it in described the second suffered additional drag in vapour lock through hole in described the first suffered additional drag in vapour lock through hole.Herein, additional drag refers to, with respect to the situation that longitudinal resistance balancing disk 13 is not set, after longitudinal resistance balancing disk 13 is set, the value added of air-flow resistance when flowing through this longitudinal resistance balancing disk 13, that is, and in the present embodiment, air-flow, when flowing through this longitudinal resistance balancing disk 13, is less than the value added at second vapour lock through hole 132 place's resistances in the value added of first vapour lock through hole 131 place's resistances.Like this, when carrying out fuel vapor desorption and absorption, the resistance that the air-flow that enters or enter from fuel tank from atmosphere entry is subject to everywhere in left chamber is more balanced, is conducive to desorption and absorption work that more active carbon in left chamber (particularly being positioned at the active carbon of adsorption port below and adsorption port and desorption mouth adjoining position) participates in fuel vapor.
In embodiment illustrated in fig. 3, its horizontal section of described canister and vertical cross-section all are shaped as rectangular; But also other shape such as circular, oval of the horizontal cross sectional geometry of described canister in other embodiments.The shape of lateral resistance balancing disk and the horizontal cross sectional geometry of canister are suitable, and the vertical cross-section shape of the shape of longitudinal resistance balancing disk and canister is suitable.
In the present embodiment, the breathing area of described the first vapour lock through hole 131 is greater than the breathing area of described the second vapour lock through hole 132, shape that can be by appropriate design the first vapour lock through hole 131, the second vapour lock through hole 132, arrange and size is controlled its breathing area, with this regulate air-flow by the time additional drag.
Preferably, as shown in Figures 3 and 4, described the first vapour lock through hole 131 comprises second largest through hole 133, and described the second vapour lock through hole 132 comprises spaced a plurality of the second small through hole 134.Described second largest through hole 133 can be the through hole that square opening, circular port and slotted eye etc. have regular shape, can be also erose through hole.In embodiment shown in Fig. 4, described second largest through hole 133 adopts square opening.The shape of a plurality of the second small through hole 134, size can be identical, also can be different.Single the second small through hole 134 can be the through hole that square opening, circular port and slotted eye etc. have regular shape, can be also erose through hole.In embodiment shown in Fig. 4, described the second vapour lock through hole 132 comprise a plurality of identical shaped, sizes the second small through hole 134, the second small through hole 134 be shaped as circle or ellipse.Preferably, the longitudinal resistance balancing disk adopts and the similar structure of lateral resistance balancing disk, with sharing die, reduces manufacture cost.
In the present embodiment, in order to obtain preferably technique effect, can adopt the mode of computer simulation to design described longitudinal resistance balancing disk, so that the gas-flow resistance equilibrium of the internal cavities of canister, most active carbons of the internal cavities of canister can participate in the adsorption and desorption work of fuel vapor.
The automobile canister that the utility model the second embodiment provides, with respect to the first embodiment, the gas-flow resistance of left chamber is more balanced, make more active carbon participate in the adsorption and desorption work of fuel vapor, thereby further improve the adsorption efficiency of fuel vapor, further reduce pollution of atmosphere and improve fuel economy.
In addition, the utility model also provides a kind of automobile, and described automobile comprises the automobile canister of above-described embodiment.
The automobile that the utility model embodiment provides, owing to having above-mentioned automobile canister, not only improved the adsorption efficiency of the fuel vapor of fuel evaporation control system, and reduced automobile to the pollution of atmosphere and improved the fuel economy of motor car engine.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an automobile canister, comprise the housing with lower openings, seal the lower cover plate of described lower housing portion opening and be arranged on the dividing plate on described housing, be formed with the internal cavities of a filling active carbon between described housing and described lower cover plate, described dividing plate is divided into by described internal cavities left chamber and the right chamber that bottom is communicated with, the top of described housing is provided with adsorption port, desorption mouth and atmosphere entry, described adsorption port and desorption mouth are communicated with described left chamber, described atmosphere entry is communicated with described right chamber, it is characterized in that, described automobile canister also comprises the lateral resistance balancing disk be arranged in described left chamber, described lateral resistance balancing disk comprises the first resistance through hole that is positioned at described adsorption port below and the second resistance through hole that is positioned at described desorption mouth below, the air-flow of described lateral resistance balancing disk of flowing through is less than it in described the second suffered additional drag in resistance through hole in described the first suffered additional drag in resistance through hole.
2. automobile canister according to claim 1, is characterized in that, the breathing area of described the first resistance through hole is greater than the breathing area of described the second resistance through hole.
3. automobile canister according to claim 2, is characterized in that, described the first resistance through hole comprises first through hole, and described the second resistance through hole comprises spaced a plurality of the first small through hole.
4. automobile canister according to claim 1, it is characterized in that, be provided with the first limited step on described housing madial wall, be provided with in opposite directions the second limited step on described dividing plate, the two ends of described lateral resistance balancing disk are overlapped on respectively on described the first limited step and described the second limited step.
5. automobile canister according to claim 1, is characterized in that, the bottom of described internal cavities be provided with one can be relatively described the lower pedal that slides of housing madial wall, be provided with the elasticity preload piece between described lower pedal and described lower cover.
6. automobile canister according to claim 5, it is characterized in that, described elasticity preload piece is preloading spring, and described lower cover forms recess downwards, one end of described preloading spring is arranged in described recess, and the other end of described preloading spring is supported on the bottom of described lower pedal.
7. according to the described automobile canister of claim 1 to 6 any one, it is characterized in that, described automobile canister also comprises the longitudinal resistance balancing disk be arranged between described lateral resistance balancing disk and described housing top, described longitudinal resistance balancing disk comprises that the air-flow of the described longitudinal resistance balancing disk of flowing through is less than it in described the second suffered additional drag in vapour lock through hole in described the first suffered additional drag in vapour lock through hole near the second vapour lock through hole of the first vapour lock through hole of described adsorption port and close described lateral resistance balancing disk.
8. automobile canister according to claim 7, is characterized in that, the breathing area of described the first vapour lock through hole is greater than the breathing area of described the second vapour lock through hole.
9. automobile canister according to claim 8, is characterized in that, described the first vapour lock through hole comprises second largest through hole, and described the second vapour lock through hole comprises spaced a plurality of the second small through hole.
10. an automobile, is characterized in that, described automobile comprises the described automobile canister of claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364091.8U CN203374393U (en) | 2013-06-24 | 2013-06-24 | Car carbon tank and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320364091.8U CN203374393U (en) | 2013-06-24 | 2013-06-24 | Car carbon tank and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374393U true CN203374393U (en) | 2014-01-01 |
Family
ID=49836925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320364091.8U Expired - Lifetime CN203374393U (en) | 2013-06-24 | 2013-06-24 | Car carbon tank and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121870A (en) * | 2016-08-26 | 2016-11-16 | 厦门理工学院 | A kind of novel ORVR charcoal canister |
| CN109162834A (en) * | 2018-09-27 | 2019-01-08 | 东风富士汤姆森调温器有限公司 | Monoblock type divides chamber partition and its canister |
| CN113790583A (en) * | 2021-09-06 | 2021-12-14 | 鞍山奥明管业有限公司 | Prefabricated direct-buried insulating pipe |
-
2013
- 2013-06-24 CN CN201320364091.8U patent/CN203374393U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121870A (en) * | 2016-08-26 | 2016-11-16 | 厦门理工学院 | A kind of novel ORVR charcoal canister |
| CN109162834A (en) * | 2018-09-27 | 2019-01-08 | 东风富士汤姆森调温器有限公司 | Monoblock type divides chamber partition and its canister |
| CN109162834B (en) * | 2018-09-27 | 2023-10-27 | 东风富士汤姆森调温器有限公司 | Integral type cavity separating partition plate and carbon tank thereof |
| CN113790583A (en) * | 2021-09-06 | 2021-12-14 | 鞍山奥明管业有限公司 | Prefabricated direct-buried insulating pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |
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| CX01 | Expiry of patent term |