CN202628335U - Automobile engine inlet manifold - Google Patents
Automobile engine inlet manifold Download PDFInfo
- Publication number
- CN202628335U CN202628335U CN 201220188705 CN201220188705U CN202628335U CN 202628335 U CN202628335 U CN 202628335U CN 201220188705 CN201220188705 CN 201220188705 CN 201220188705 U CN201220188705 U CN 201220188705U CN 202628335 U CN202628335 U CN 202628335U
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- China
- Prior art keywords
- pipe portion
- cavity
- oral area
- closure
- voltage stabilizing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an automobile engine inlet manifold and belongs to the technical field of machinery. The problems that the vacuum is insufficient or fluctuation is generated and oil and gas are non-uniformly mixed in the conventional automobile engine inlet manifold are solved. The automobile engine inlet manifold comprises a pipe body provided with a pressure stabilizing cavity, a vacuum boost pipe part and a throttle valve opening part, and is characterized in that both the vacuum boost pipe part and the throttle valve opening part are fixedly connected with the pressure stabilizing cavity; a through cavity of the vacuum boost pipe part and a through cavity of the throttle valve opening part are communicated with the inner cavity of the pressure stabilizing cavity; and the pipe body is also provided with a pollution control valve (PCV) pipe part and a carbon tank control valve pipe part. According to the automobile engine inlet manifold, a stable and reliable vacuum source can be obtained, the stable vacuum degree is guaranteed, the oil and gas are uniformly mixed, and the service life of the engine is prolonged.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of air intake manifold of automotive engine.
Background technique
Intake manifold is a strength member of automotive engine air intake system, and it has determined the intake uniformity of initial gas flow coefficient and each cylinder, therefore to the volumetric efficiency of motor and the otherness important influence of each cylinder working performance.Intake manifold after air enters into closure, is split into some air flow channels through the intake manifold buffering between closure and engine air admittance door, the quantity of the corresponding engine cylinder of the quantity of air flow channel imports to air in each cylinder.
Existing engine intake manifold all is that the vacuum servo interface tube is arranged near the position, solar term doorway usually, and PCV interface tube and canister control valve interface tube are arranged on the pressure stabilizing cavity.The degree of vacuum of engine intake manifold is to produce owing to descent of piston is air-breathing; The vacuum servo interface tube of this design is far away apart from pressure source; Vacuum is created in by the cylinder place and conducts to place, solar term doorway; The place is subject to the influence that closure opens and closes on the solar term doorway, causes the not enough or generation fluctuation of vacuum that obtains easily.In addition; To be the negative pressure that produces through intake manifold with the vaporizing oil-gas of oil gas that crankcase produced and fuel tank be drawn into carries out in the cylinder in burning in the effect of the PCV of motor pipe and canister control valve pipe; Be arranged on the pressure stabilizing cavity its interface nearer from air flue; It is inhomogeneous to cause the oil gas that gets in the cylinder to mix easily, influences the normal operation of motor, the working life of having reduced motor.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, and it is more stable to have proposed a kind of degree of vacuum, the air intake manifold of automotive engine that oil gas mixes.
The purpose of the utility model can realize through following technical proposal: a kind of air intake manifold of automotive engine; Comprise have the voltage stabilizing cavity, the body of vacuum servo pipe portion and closure oral area; It is characterized in that; Described vacuum servo pipe portion all is connected with said voltage stabilizing cavity with the closure oral area and is connected, and the cavity of the cavity of said vacuum servo pipe portion and closure oral area all with the intracavity inter-connection of said voltage stabilizing cavity; Described body also has PCV pipe portion and canister control valve pipe portion.Because degree of vacuum keeps balance in the voltage stabilizing cavity, vacuum servo pipe portion is connected on the voltage stabilizing cavity, and is nearer apart from pressure source, can obtain stable, reliable vacuum source, guaranteed stable degree of vacuum.
In above-mentioned air intake manifold of automotive engine, the joint of the joint of described vacuum servo pipe portion and voltage stabilizing cavity, closure oral area and voltage stabilizing cavity all is positioned at a side of said voltage stabilizing cavity.The joint of the joint of vacuum servo pipe portion and voltage stabilizing cavity, closure oral area and voltage stabilizing cavity all is positioned at a side of said voltage stabilizing cavity, has guaranteed stable degree of vacuum.
In above-mentioned air intake manifold of automotive engine, described PCV pipe portion is connected with said closure oral area and is connected, and the cavity of said PCV pipe portion is connected with the cavity of said closure oral area.Portion is connected in the closure oral area with the PCV pipe, and the gas that is beneficial to enter in the manifold fully mixes.
In above-mentioned air intake manifold of automotive engine, the joint of described PCV pipe portion and said closure oral area is near the joint of said closure oral area and said voltage stabilizing cavity.The joint of PCV pipe portion and closure oral area is near the joint of closure oral area and voltage stabilizing cavity, and is far away from air flue, and entering into oil gas in the manifold can better mixing behind pressure stabilizing cavity, makes that the oil gas that gets in the cylinder is more even.
In above-mentioned air intake manifold of automotive engine, described canister control valve pipe portion is connected with said closure oral area and is connected, and the cavity of said canister control valve pipe portion is connected with the cavity of said closure oral area.Portion is connected in the closure oral area with the canister control valve pipe, and the gas that is beneficial to enter in the manifold fully mixes.
In above-mentioned air intake manifold of automotive engine, the joint of described canister control valve pipe portion and said closure oral area is near the external port place of said closure oral area.The joint of canister control valve pipe portion and closure oral area is near the external port place of closure oral area, and is far away from air flue, and entering into oil gas in the manifold can better mixing behind pressure stabilizing cavity, makes that the oil gas that gets in the cylinder is more even.
Compared with prior art, this air intake manifold of automotive engine vacuum servo pipe portion is connected on the voltage stabilizing cavity, and the influence that not opened and closed by closure nearer apart from pressure source can obtain stable, vacuum source reliably, guaranteed stable degree of vacuum; The oil gas that is got into manifold by PCV pipe portion and canister control valve pipe portion can be good at mixing, and makes that the uniformity that gets into the oil gas in the cylinder is better, has guaranteed the normal operation of motor, has also prolonged the working life of motor simultaneously.
Description of drawings
Fig. 1 is the structural representation of this air intake manifold of automotive engine.
Among the figure, 1, body; 2, voltage stabilizing cavity; 3 vacuum servo pipe portions; 4, closure oral area; 5, PCV pipe portion; 6, canister control valve pipe portion.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
As shown in Figure 1; This air intake manifold of automotive engine; Comprise have voltage stabilizing cavity 2, the body 1 of vacuum servo pipe portion 3 and closure oral area 4; Vacuum servo pipe portion 3 all is connected with voltage stabilizing cavity 2 with closure oral area 4 and is connected, and the cavity of the cavity of vacuum servo pipe portion 3 and closure oral area 4 all with the intracavity inter-connection of voltage stabilizing cavity 2.The joint of the joint of vacuum servo pipe portion 3 and voltage stabilizing cavity 2, closure oral area 4 and voltage stabilizing cavity 2 all is positioned at a side of voltage stabilizing cavity 2.Body 1 also has PCV pipe portion 5 and canister control valve pipe portion 6.PCV pipe portion 5 is connected with closure oral area 4 and is connected, and the cavity of PCV pipe portion 5 is connected with the cavity of closure oral area 4, and the joint of PCV pipe portion 5 and closure oral area 4 is near the joint of closure oral area 4 with voltage stabilizing cavity 2.Canister control valve pipe portion 6 is connected with closure oral area 4 and is connected, and the cavity of canister control valve pipe portion 6 is connected with the cavity of closure oral area 4, and the joint of canister control valve pipe portion 6 and closure oral area 4 is near the external port place of closure oral area 4.
This air intake manifold of automotive engine vacuum servo pipe portion 3 is connected on the voltage stabilizing cavity 2, and the influence that not opened and closed by closure nearer apart from pressure source can obtain stable, vacuum source reliably, guaranteed stable degree of vacuum; The oil gas that gets into manifold by PCV pipe portion 5 and canister control valve pipe portion 6 can be good at mixing, and makes that the uniformity that gets into the oil gas in the cylinder is better, has guaranteed the normal operation of motor, has also prolonged the working life of motor simultaneously.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as body 1, voltage stabilizing cavity 2, vacuum servo pipe portion 3, closure oral area 4, PCV pipe portion 5, canister control valve pipe portion 6 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (6)
1. air intake manifold of automotive engine; Comprise have voltage stabilizing cavity (2), the body (1) of vacuum servo pipe portion (3) and closure oral area (4); It is characterized in that; Described vacuum servo pipe portion (3) all is connected with said voltage stabilizing cavity (2) with closure oral area (4) and is connected, and the cavity of the cavity of said vacuum servo pipe portion (3) and closure oral area (4) all with the intracavity inter-connection of said voltage stabilizing cavity (2); Described body (1) also has PCV pipe portion (5) and canister control valve pipe portion (6).
2. a kind of air intake manifold of automotive engine according to claim 1; It is characterized in that the joint of the joint of described vacuum servo pipe portion (3) and voltage stabilizing cavity (2), closure oral area (4) and voltage stabilizing cavity (2) all is positioned at a side of said voltage stabilizing cavity (2).
3. a kind of air intake manifold of automotive engine according to claim 1 and 2 is characterized in that, described PCV pipe portion (5) is connected with said closure oral area (4) and is connected, and the cavity of said PCV pipe portion (5) is connected with the cavity of said closure oral area (4).
4. a kind of air intake manifold of automotive engine according to claim 3 is characterized in that, the joint of described PCV pipe portion (5) and said closure oral area (4) is near the joint of said closure oral area (4) with said voltage stabilizing cavity (2).
5. a kind of air intake manifold of automotive engine according to claim 1 and 2; It is characterized in that; Described canister control valve pipe portion (6) is connected with said closure oral area (4) and is connected, and the cavity of said canister control valve pipe portion (6) is connected with the cavity of said closure oral area (4).
6. a kind of air intake manifold of automotive engine according to claim 5 is characterized in that, the joint of described canister control valve pipe portion (6) and said closure oral area (4) is near the external port place of said closure oral area (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188705 CN202628335U (en) | 2012-04-27 | 2012-04-27 | Automobile engine inlet manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220188705 CN202628335U (en) | 2012-04-27 | 2012-04-27 | Automobile engine inlet manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628335U true CN202628335U (en) | 2012-12-26 |
Family
ID=47381542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220188705 Expired - Fee Related CN202628335U (en) | 2012-04-27 | 2012-04-27 | Automobile engine inlet manifold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675584A (en) * | 2013-11-28 | 2015-06-03 | 广州汽车集团股份有限公司 | Engine intake manifold and engine |
| CN106150793A (en) * | 2016-08-31 | 2016-11-23 | 广州汽车集团股份有限公司 | Motor intake manifold and electromotor |
-
2012
- 2012-04-27 CN CN 201220188705 patent/CN202628335U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675584A (en) * | 2013-11-28 | 2015-06-03 | 广州汽车集团股份有限公司 | Engine intake manifold and engine |
| CN106150793A (en) * | 2016-08-31 | 2016-11-23 | 广州汽车集团股份有限公司 | Motor intake manifold and electromotor |
| CN106150793B (en) * | 2016-08-31 | 2018-11-23 | 广州汽车集团股份有限公司 | Motor intake manifold and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20210427 |