CN210003426U - carbon tank integrated with CVS electromagnetic valve - Google Patents
carbon tank integrated with CVS electromagnetic valve Download PDFInfo
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- CN210003426U CN210003426U CN201920810530.0U CN201920810530U CN210003426U CN 210003426 U CN210003426 U CN 210003426U CN 201920810530 U CN201920810530 U CN 201920810530U CN 210003426 U CN210003426 U CN 210003426U
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Abstract
The utility model belongs to the technical field of the car, concretely relates to carbon canister of integrated CVS solenoid valves, including the carbon canister body, side of carbon canister body is equipped with installation department and outer siphunculus, this internal air cavity of ventilating that is equipped with of carbon canister, be equipped with the installation cavity in the installation department, the upper portion of installation cavity is uncovered setting, and with the air cavity intercommunication of ventilating of carbon canister body, outer siphunculus is connected the lower part of installation department, and with the installation cavity intercommunication, the CVS solenoid valve, the shape of CVS solenoid valve with the installation cavity adaptation, be suitable for from uncovered position cartridge in the installation cavity of installation department, the utility model discloses a set up the installation department that has the installation cavity in the outside of carbon canister body air cavity of ventilating with integrated installation CVS solenoid valve, on the basis that does not change its carbon canister and CVS solenoid valve theory of operation with the CVS solenoid valve integrated on the carbon canister body, not only save cost and assembly man-hour, still reduce fuel evaporation emission limit value simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the car, concretely relates to carbon tank of kinds of integrated CVS solenoid valves.
Background
With the formal release of the pollutant emission standard of motor vehicles in the sixth stage of China, six vehicle types in China are successively pushed out by each large vehicle factory, and compared with the vehicle types before the fifth standard in China, the six vehicle types in China greatly reduce the emission limit value of the whole vehicle, particularly the evaporative emission of fuel oil, so that the requirements on each part of a fuel oil system are very high. In order to adapt to the adjustment, most of the fuel types detected by CVS (carbon canister vent pipe) vacuum OBD (On-Board Diagnostics) independently arrange CVS electromagnetic valves, namely independently arrange the CVS electromagnetic valves at the air vent of an automobile carbon canister. And the independent arrangement of the CVS solenoid valve needs to increase a connecting pipeline, a pipe joint (between the carbon tank through atmosphere and the CVS solenoid valve) and a CVS solenoid valve fixing support, so that the cost and the assembly time are increased, and the fuel evaporation emission limit value is increased.
Therefore, to the above not enough, the utility model discloses the urgent need provides kinds of carbon tanks of integrated CVS solenoid valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carbon tank of kinds of integrated CVS solenoid valves to solve among the prior art CVS solenoid valve and arrange the problem that increases automobile manufacturing cost and assembly man-hour alone.
The utility model provides a carbon tank of integrated CVS solenoid valve, including the carbon tank body, the side of carbon tank body is equipped with installation department and outer siphunculus, this internal air cavity of ventilating that is equipped with of carbon tank, be equipped with the installation cavity in the installation department, the upper portion of installation cavity is uncovered setting, and with the air cavity intercommunication of ventilating of carbon tank body, outer siphunculus is connected the lower part of installation department, and with the installation cavity intercommunication, the CVS solenoid valve, the shape of CVS solenoid valve with the installation cavity adaptation is suitable for from uncovered position cartridge in the installation cavity of installation department.
Preferably, in step , the vent chamber is provided with a vent hole, the mounting part is provided with a th gas flow hole, the CVS solenoid valve housing is provided with a second gas flow hole, and the th gas flow hole, the second gas flow hole and the vent hole are correspondingly overlapped and are suitable for gas flow.
In the canister integrated with the CVS solenoid valve as described above, it is preferable that the vent hole has a larger hole area than the th gas communication hole and the th gas communication hole has a larger hole area than the second gas communication hole at step .
In the carbon canister integrated with the CVS solenoid valve as described above, it is preferable that each of the peripheries of the th gas flow hole is provided with a th rib, and the th gas flow hole is provided with a second rib at the middle thereof, the second rib being adapted to divide the th gas flow hole into two ventilation panes.
Preferably, in the canister integrated with the CVS solenoid valve as described above, step , the number of the second gas flow holes is plural, and the plural second gas flow holes are circumferentially distributed on the outer shell of the CVS solenoid valve.
Preferably, in the canister integrated with the CVS solenoid valve as described above, step , the number of the second gas flow holes is four, and the second gas flow holes are rectangular holes.
The carbon tank integrated with the CVS solenoid valve further preferably comprises two annular sealing rings, the shell of the CVS solenoid valve is further provided with two annular grooves which are respectively positioned at the upper side and the lower side of the second gas circulation hole, and the two sealing rings are respectively arranged in the two grooves and are suitable for sealing the CVS solenoid valve and the mounting part.
Preferably, in the step of the carbon tank integrated with the CVS solenoid valve, the upper surface of the mounting part is provided with a boss limiting part, the shell of the CVS solenoid valve is provided with a clamping protrusion, and the boss limiting part is matched with the clamping protrusion.
In the carbon canister integrated with the CVS solenoid valve as described above, it is preferable that step is that the lower portion of the installation cavity is an expansion cavity, and the expansion cavity is communicated with the outer through pipe.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a reform transform carbon tank's structure, the outside setting of air cavity of ventilating at the carbon tank body has the installation department of installation cavity, and the installation cavity intercommunication is ventilating between air cavity and the outer siphunculus, and has the mounting hole that is used for installing the CVS solenoid valve, promptly the utility model discloses not changing on carbon tank and CVS solenoid valve theory of operation's the basis with the CVS solenoid valve integration to the carbon tank body, not only save cost and man-hour, still reduce fuel evaporation emission limit value simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a carbon canister with a CVS solenoid valve integrated therein according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a top view of the canister of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is an enlarged view of a portion D of FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 2;
fig. 7 is a schematic structural view of the CVS solenoid valve of fig. 1.
Description of reference numerals:
the device comprises a carbon tank body 1, a mounting part 2, a mounting cavity 3, an outer through pipe 4, a CVS solenoid valve 5, an expansion cavity 6, a sealing ring 7, a boss limiting part 8, a ventilation air cavity 9, an th air circulation hole 10, a second air circulation hole 11, a clamping bulge 12, a th reinforcing rib 13 and a second reinforcing rib 14.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiment is a partial embodiment, not a whole embodiment, of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.
As shown in fig. 1-7, the carbon canister integrated with the CVS solenoid valve disclosed in this embodiment includes a carbon canister body 1, a ventilation air chamber is provided in the carbon canister body, a mounting portion 2 and an outer through pipe are provided on the side, the mounting portion 2 is provided with a mounting cavity 3, the upper portion of the mounting cavity 3 is open and is communicated with the ventilation air chamber 9 of the carbon canister body 1, the outer through pipe 4 is connected to the lower portion of the mounting portion 2 and is communicated with the mounting cavity 3, and the CVS solenoid valve 5 is shaped to be matched with the mounting cavity 3 and is suitable for being inserted into the mounting cavity 3 of the mounting portion 2 from the open position.
As shown in FIGS. 1-7, at step , in the canister integrated with the CVS solenoid valve of the present embodiment, the vent air chamber 9 is provided with a vent hole, the mounting portion 2 is provided with a th gas communication hole 10, the CVS solenoid valve 5 is provided with a second gas communication hole 11 on the housing, the th gas communication hole 10, the second gas communication hole 11 and the vent hole are correspondingly overlapped and are suitable for gas communication, and the arrangement aspect of the above structure is suitable for ensuring gas communication in the canister, and the gas communication passes through the CVS solenoid valve 5, and is also used for rapid gas communication.
As shown in fig. 1 to 7, in the canister integrated with a CVS solenoid valve disclosed in this embodiment, preferably, the vent hole has a hole area larger than that of the th gas passing hole 10, and the th gas passing hole 10 has a hole area larger than that of the second gas passing hole 11. the th gas passing hole has a th rib 13 at the periphery thereof, and a second rib 14 is provided at the center of the th gas passing hole, and the second rib 14 is adapted to divide the th gas passing hole into two vent panes, and the th rib 13 has a rectangular shape and is disposed at the periphery of the th gas passing hole, and the second rib 14 has a straight line shape, and the th rib 13 and the second rib 14 are disposed vertically at the center of the vent hole, so as to improve the structural stability of the mounting part 2.
As shown in fig. 1 to 7, it is preferable that the number of the second gas flow holes 11 is plural, and the plural second gas flow holes 11 are circumferentially distributed on the housing of the CVS solenoid valve 5, and in step , the number of the second gas flow holes 11 is four, and the second gas flow holes 11 are rectangular holes.
As shown in fig. 1 to 7, , in the canister integrated with the CVS solenoid valve disclosed in this embodiment, the CVS solenoid valve 5 further includes two annular grooves formed in the outer shell thereof, the two annular grooves being respectively located at the upper and lower sides of the second gas flow hole 11, and two sealing rings 7, the two sealing rings 7 being respectively disposed in the two annular grooves and adapted to seal the CVS solenoid valve 5 and the mounting portion 2.
As shown in fig. 1-7, in the canister integrated with the CVS solenoid valve disclosed in this embodiment, , a boss limiting portion 8 is disposed on the upper surface of the mounting portion 2, a retaining protrusion 12 is disposed on the housing of the CVS solenoid valve 5, the boss limiting portion 8 is adapted to the retaining protrusion 12, and the boss limiting portion 8 and the retaining protrusion 12 are disposed to prevent the CVS solenoid valve 5 from rotating in the mounting cavity 3.
As shown in fig. 1-7, , the lower part of the installation cavity 3 is an expansion cavity 6, the diameter of the expansion cavity 6 is larger than that of the upper installation cavity 3, the outer pipe 4 is communicated with the expansion cavity 6, and the expansion cavity 6 is arranged to buffer the gas flow and reduce the noise.
In the above embodiment, the CVS solenoid valve is a commercially available product in the related art, and for example, a six carbon canister vent solenoid valve (CVS) manufactured by sanhe bengkang automobile technologies ltd may be used. The CVS solenoid valve is only provided with a shell which can be matched with the installation cavity for installation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1, kind of carbon canister of integrated CVS solenoid valve, its characterized in that includes:
the carbon tank comprises a carbon tank body, wherein an side of the carbon tank body is provided with a mounting part and an outer through pipe, a ventilation air cavity is arranged in the carbon tank body, a mounting cavity is arranged in the mounting part, the upper part of the mounting cavity is open and is communicated with the ventilation air cavity of the carbon tank body, and the outer through pipe is connected to the lower part of the mounting part and is communicated with the mounting cavity;
the CVS electromagnetic valve is matched with the mounting cavity in shape and is suitable for being inserted into the mounting cavity of the mounting part from an open position.
2. The canister of claim 1, wherein the vent chamber is provided with a vent hole, the fitting part is provided with an th gas passing hole, the CVS solenoid valve is provided with a second gas passing hole on the housing, and the th gas passing hole, the second gas passing hole and the vent hole are correspondingly overlapped and adapted to pass gas.
3. The canister of an integrated CVS solenoid valve as claimed in claim 2, wherein the vent hole has a hole area larger than that of the th gas passing hole, and the th gas passing hole has a hole area larger than that of the second gas passing hole.
4. The canister of an integrated CVS solenoid valve as claimed in claim 2, wherein the th gas passing hole is provided at its peripheral edge with a th rib, and the th gas passing hole is provided at its middle with a second rib adapted to divide the th gas passing hole into two ventilation panes.
5. The canister of an integrated CVS solenoid valve as claimed in claim 2, wherein the number of the second gas circulation holes is plural, and the plural second gas circulation holes are circumferentially distributed on a housing of the CVS solenoid valve.
6. The canister of an integrated CVS solenoid valve as claimed in claim 5, wherein the number of the second gas flow holes is four and the second gas flow holes are rectangular holes.
7. A canister incorporating a CVS solenoid valve according to claim 6 and also comprising two annular sealing rings;
the shell of the CVS electromagnetic valve is also provided with two annular grooves which are respectively positioned at the upper side and the lower side of the second gas circulation hole;
the two sealing rings are respectively arranged in the two grooves and are suitable for sealing the CVS solenoid valve and the mounting part.
8. The canister of an integrated CVS solenoid valve as claimed in claim 7, wherein a boss-limiting part is provided on an upper surface of the mounting part; a clamping bulge is arranged on the shell of the CVS electromagnetic valve; the boss limiting part is matched with the clamping protrusion.
9. The canister of an integrated CVS solenoid valve as claimed in claim 8, wherein the lower part of the installation cavity is an expansion cavity, and the expansion cavity is communicated with the outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810530.0U CN210003426U (en) | 2019-05-31 | 2019-05-31 | carbon tank integrated with CVS electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920810530.0U CN210003426U (en) | 2019-05-31 | 2019-05-31 | carbon tank integrated with CVS electromagnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN210003426U true CN210003426U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920810530.0U Active CN210003426U (en) | 2019-05-31 | 2019-05-31 | carbon tank integrated with CVS electromagnetic valve |
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| CN (1) | CN210003426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302835A (en) * | 2020-11-11 | 2021-02-02 | 江西昌河汽车有限责任公司 | Integrated carbon tank |
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2019
- 2019-05-31 CN CN201920810530.0U patent/CN210003426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112302835A (en) * | 2020-11-11 | 2021-02-02 | 江西昌河汽车有限责任公司 | Integrated carbon tank |
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