CN212130640U - Venturi valve device for automobile - Google Patents
Venturi valve device for automobile Download PDFInfo
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- CN212130640U CN212130640U CN202020896888.2U CN202020896888U CN212130640U CN 212130640 U CN212130640 U CN 212130640U CN 202020896888 U CN202020896888 U CN 202020896888U CN 212130640 U CN212130640 U CN 212130640U
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- venturi
- valve
- venturi valve
- pipe
- valve plate
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Abstract
The utility model discloses a Venturi valve device for automobiles, which comprises a straight-through welding joint, a Venturi valve pipe body, a Venturi valve cover, a fuel steam valve plate, a sealing ring, a rib platform, a valve plate positioning groove and a valve plate positioning column; one end of the Venturi valve body is connected with a straight-through welding joint, a through pipe is arranged at one end of the Venturi valve body, a Venturi through hole is formed in the center of the inside of the through pipe, a valve plate positioning box is arranged at the top end of the Venturi valve body, and the valve plate positioning box is connected with a Venturi valve cover. The utility model discloses an add the venturi who has integrateed the check valve between car turbo charger, engine intake manifold and carbon tank, because venturi effect makes the carbon tank end produce a negative pressure when the forward air current that produces by turbo charger passes through venturi to during absorbent fuel steam transmits the engine in the desorption carbon tank, fuel steam in avoiding the carbon tank volatilizees and causes in the atmosphere to discharge and exceed standard, polluted environment.
Description
Technical Field
The utility model relates to an automobile fuel steam desorption system uses technical field, specifically is a venturi valve device for car.
Background
Desorption system on present turbocharged engine car, need install the venturi between engine and carbon tank, positive air current that produces when turbocharger work makes the carbon tank end produce a negative pressure because venturi effect when passing through venturi, make the fuel steam in the carbon tank can get into the engine and burn under certain pressure differential, make the fuel obtain make full use of, avoid discharging to exceed standard simultaneously, the polluted environment, check valve on the venturi can prevent the gaseous backward flow when turbocharger is out of work, avoid influencing desorption system's desorption effect. But this practical one end direct mount is on engine intake manifold, and nylon union coupling is passed through to turbo charger and carbon tank in both ends in addition, makes desorption system's desorption performance effectively improve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a venturi valve device for car to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a Venturi valve device for an automobile comprises a straight-through welding joint, a Venturi valve body, a Venturi valve cover, a fuel steam valve plate, a sealing ring, a rib platform, a valve plate positioning groove and a valve plate positioning column; one end of the Venturi valve body is connected with a direct-connection welding joint, a through pipe is arranged at one end of the Venturi valve body, a Venturi through hole is formed in the center of the inner portion of the through pipe, a valve block positioning box is arranged at the top end of the Venturi valve body and connected with a Venturi valve cover, a valve block positioning column is arranged in the valve block positioning box, a valve block positioning groove is formed in the inner portion of the Venturi valve cover, and a fuel steam valve block is fixed between the valve block positioning column and the valve block positioning groove.
Preferably, a rib platform convenient for press mounting of a nylon pipe is arranged on the venturi valve body.
Preferably, a valve plate positioning column is arranged in the valve plate positioning box.
Preferably, a valve plate positioning groove is formed in the valve cover of the Venturi valve.
Preferably, the through pipe is provided with a bamboo joint connector, or the through pipe is provided with an olive bag connector capable of being connected with a rubber pipe, or the through pipe is provided with a quick-insertion male connector.
Preferably, a bamboo joint connector is arranged on the valve cover of the Venturi valve, or an olive bag connector capable of being connected with a rubber pipe is arranged on the valve cover of the Venturi valve, or a quick-insertion male connector is arranged on the valve cover of the Venturi valve.
Preferably, the sealing ring is made of an FKM material resistant to fuel oil.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an add the venturi who has integrateed the check valve between car turbo charger, engine intake manifold and carbon tank, because venturi effect makes the carbon tank end produce a negative pressure when the forward air current that produces by turbo charger passes through venturi to during absorbent fuel steam transmits the engine in the desorption carbon tank, fuel steam in avoiding the carbon tank volatilizees and causes in the atmosphere to discharge and exceed standard, polluted environment.
2. The utility model discloses the venturi tube and the check valve structure of structural design, the realization of its function are through valve body part, because venturi effect makes the carbon tank end produce a negative pressure when the forward air current that produces by turbo charger passes through the venturi tube to adsorbed fuel steam transmits to in the engine in the desorption carbon tank. Each connecting part is provided with a sealing ring, so that the sealing requirement of each connecting part is ensured; the whole Venturi valve body is made of plastic materials, all parts are made of high-quality materials, and the Venturi valve is very good in fuel oil resistance and mechanical property. The normal use of the Venturi valve is ensured between-40 ℃ and 150 ℃.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the outline of the present invention;
FIG. 3 is a schematic view of the check valve structure of the present invention;
fig. 4 is a schematic view of the structure of the valve cover of the venturi valve of the present invention.
In the figure: 1. a straight-through welded joint; 2. a venturi valve body; 3. a Venturi valve cover; 4. a fuel vapor valve plate; 5. a seal ring; 6. a valve plate positioning box; 7. a rib platform; 8. a valve plate positioning groove; 9. a valve plate positioning column; 10. a Venturi through hole; 11. a pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a Venturi valve device for an automobile comprises a straight-through welding joint 1, a Venturi valve body 2, a Venturi valve cover 3, a fuel steam valve plate 4, a sealing ring 5, a rib platform 7, a valve plate positioning groove 8 and a valve plate positioning column 9; one end of the Venturi valve body 2 is connected with a straight-through welding joint 1, one end of the Venturi valve body 2 is provided with a through pipe 11, a Venturi through hole 10 is formed in the center of the inside of the through pipe 11, a valve plate positioning box 6 is arranged at the top end of the Venturi valve body 2, the valve plate positioning box 6 is connected with a Venturi valve cover 3, a valve plate positioning column 9 is arranged in the valve plate positioning box 6, a valve plate positioning groove 8 is formed in the Venturi valve cover 3, a fuel steam valve plate 4 is fixed between the valve plate positioning column 9 and the valve plate positioning groove 8, a rib platform 7 convenient for nylon pipe press fitting is arranged on the Venturi valve body 2, a valve plate positioning column 9 is arranged in the valve plate positioning box 6, a valve plate positioning groove 8 is formed in the Venturi valve cover 3, a bamboo joint is arranged on the through pipe 11, or an olive bag, or, a quick-insertion male joint is arranged on the through pipe 11, a bamboo joint is arranged on the Venturi valve cover 3, or an olive bag joint capable of being connected with a rubber pipe is arranged on the Venturi valve cover 3, or the quick-insertion male joint is arranged on the Venturi valve cover 3.
Preferably, the sealing ring 5 is made of an FKM material resistant to fuel oil. When the venturi valve is used, when positive air flow generated during the work of the turbocharger passes through the venturi, a negative pressure is generated at the end of the carbon tank due to the venturi effect, so that fuel steam in the carbon tank can enter the engine to burn under certain pressure difference, fuel is fully utilized, the environment pollution caused by the emission into the air is avoided, and the non-return valve structure prevents gas backflow when the turbocharger does not work.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A Venturi valve device for an automobile comprises a straight-through welding joint (1), a Venturi valve body (2), a Venturi valve cover (3), a fuel steam valve plate (4), a sealing ring (5), a rib platform (7), a valve plate positioning groove (8) and a valve plate positioning column (9); the method is characterized in that: one end of the Venturi valve body (2) is connected with a direct-connection welding joint (1), a through pipe (11) is arranged at one end of the Venturi valve body (2), a Venturi through hole (10) is formed in the center of the inside of the through pipe (11), a valve block positioning box (6) is arranged at the top end of the Venturi valve body (2), the valve block positioning box (6) is connected with the Venturi valve cover (3), a valve block positioning column (9) is arranged in the valve block positioning box (6), a valve block positioning groove (8) is formed in the inside of the Venturi valve cover (3), and the fuel steam valve block (4) is fixed between the valve block positioning column (9) and the valve block positioning groove (8).
2. A venturi valve device for an automobile according to claim 1, wherein: and a rib platform (7) convenient for press mounting of a nylon pipe is arranged on the Venturi valve body (2).
3. A venturi valve device for an automobile according to claim 1, wherein: and a valve plate positioning column (9) is arranged in the valve plate positioning box (6).
4. A venturi valve device for an automobile according to claim 1, wherein: and a valve plate positioning groove (8) is arranged inside the valve cover (3) of the Venturi valve.
5. A venturi valve device for an automobile according to claim 1, wherein: the bamboo joint connector is arranged on the through pipe (11), or the olive bag connector capable of being connected with a rubber pipe is arranged on the through pipe (11), or the quick-insertion male connector is arranged on the through pipe (11).
6. A venturi valve device for an automobile according to claim 1, wherein: the Venturi valve cover (3) is provided with a bamboo joint connector, or the Venturi valve cover (3) is provided with an olive bag connector capable of being connected with a rubber pipe, or the Venturi valve cover (3) is provided with a quick-insertion male connector.
7. A venturi valve device for an automobile according to claim 1, wherein: the sealing ring (5) is made of an FKM material resistant to fuel oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896888.2U CN212130640U (en) | 2020-05-25 | 2020-05-25 | Venturi valve device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020896888.2U CN212130640U (en) | 2020-05-25 | 2020-05-25 | Venturi valve device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212130640U true CN212130640U (en) | 2020-12-11 |
Family
ID=73670235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020896888.2U Active CN212130640U (en) | 2020-05-25 | 2020-05-25 | Venturi valve device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212130640U (en) |
-
2020
- 2020-05-25 CN CN202020896888.2U patent/CN212130640U/en active Active
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