CN207583458U - A kind of anti-frozen structure in Pcv valve - Google Patents
A kind of anti-frozen structure in Pcv valve Download PDFInfo
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- CN207583458U CN207583458U CN201721566894.6U CN201721566894U CN207583458U CN 207583458 U CN207583458 U CN 207583458U CN 201721566894 U CN201721566894 U CN 201721566894U CN 207583458 U CN207583458 U CN 207583458U
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- pcv valve
- thermal resistance
- adding thermal
- valve body
- frozen structure
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Abstract
The utility model provides a kind of anti-frozen structure in Pcv valve, belongs to technical field of automobile parts.It solves existing Pcv valve pipeline and is susceptible to condensation vapor in low temperature environment, lubricating oil emulsion, the problem of freezing.This is for the anti-frozen structure in Pcv valve, Pcv valve includes valve body, there is perforative channel in valve body, anti-frozen structure includes plug connector, conducting wire and at least one adding thermal resistance, adding thermal resistance is located in channel and is fixed on the madial wall of valve body, plug connector is used to be connected with the ECU of automobile, and one end and the plug connector of conducting wire are connected, and the other end is connected with adding thermal resistance.This has the advantages that prevent the icing of Pcv valve pipeline, raising crankcase ventilation efficiency for the anti-frozen structure in Pcv valve.
Description
Technical field
The utility model belongs to technical field of automobile parts, is related to a kind of Pcv valve, more particularly to a kind of to be used for Pcv valve
In anti-frozen structure.
Background technology
PCV, which is that English Positive Crankcase Ventilation (positive crankcase ventilation (PCV)) are triliteral, to be write a Chinese character in simplified form,
Chinese means crankcase (or oil sump) active ventilated control system.The main function of Pcv valve is:By the gas in crankcase
Body imports inlet manifold by Pcv valve, and has a small amount of air to be directly entered inlet manifold through Pcv valve by air cleaner.
Existing Pcv valve, such as Chinese patent literature data disclose the mounting structure [application number of Pcv valve：
201510736553.8；Application publication number：CN105569770A], using between the cylinder head and inlet manifold of engine
Engagement makes the downstream of the upstream side passage portion of the blow-by gas access of the cylinder head and the blow-by gas access of inlet manifold
Side passage portion connection, is built-in between cylinder head and inlet manifold in a manner of two passage portions across blow-by gas access
For adjusting the Pcv valve of the flow of blow-by gas, wherein, which has for by the composition surface of cylinder head and air inlet
The gasket sealed between the composition surface of manifold, on gasket be equipped with Pcv valve sealing, the Pcv valve sealing by between
It will be sealed between the two between one of cylinder head and inlet manifold and the valve casing of Pcv valve.
The Pcv valve of this kind of structure, parts are less, at low cost；But it is not provided with preventing in the Pcv valve of this kind of structure
The structure of condensation vapor in Pcv valve pipeline, lubricating oil emulsion, icing etc., can be through in some low temperature environments, in Pcv valve pipeline
Often there is condensation vapor, lubricating oil emulsion, phenomena such as freezing, seriously affect the crankcase ventilation system of engine, in crankcase
Gas blowby fails timely and effectively to discharge, and then machine oil is caused to go bad so that engine related components premature abrasion is reduced and used
Service life.
Invention content
The purpose of this utility model is for the above-mentioned problems in the prior art, it is proposed that one kind is in Pcv valve
Anti-frozen structure, the technical issues of solution is that how to prevent Pcv valve pipeline from condensation vapor, lubricating oil emulsion, icing etc. occur existing
As improving crankcase ventilation efficiency.
The purpose of this utility model can be realized by following technical proposal：A kind of anti-frozen structure in Pcv valve,
Pcv valve includes valve body, has perforative channel in the valve body, which is characterized in that the anti-frozen structure includes plug connector, leads
Line and at least one adding thermal resistance, the adding thermal resistance are located in channel and are fixed on the madial wall of valve body, the plug connector
It is connected for the ECU with automobile, one end and the plug connector of the conducting wire are connected, and the other end is connected with adding thermal resistance.
When in automobile starting and driving process, when environment temperature is less than setting value, ECU is added by plug connector, conducting wire pair
Thermal resistance carries out electrified regulation, so as to improve Pcv valve internal temperature, and then makes remaining condensation vapor, machine oil in Pcv valve pipeline
Emulsification freezes and is melted, and the valve core movement in valve body is smooth, improves crankcase ventilation efficiency.The ECU of automobile is automobile mounted
Computer is the prior art.
It is above-mentioned it is a kind of for Pcv valve in anti-frozen structure in, the adding thermal resistance in a ring, the adding thermal resistance
Lateral wall stick on the madial wall of valve body.The setting of this kind of structure of adding thermal resistance, does not interfere with the gas stream in Pcv valve
It is dynamic, and the setting of this kind of structure makes the heating surface (area) (HS of adding thermal resistance big, plays better anti-caking ice action, improves crankcase ventilation
Efficiency.
It is above-mentioned it is a kind of for Pcv valve in anti-frozen structure in, the adding thermal resistance is connected with valve body tight fit.Tightly
Cooperation is connected, and it is convenient to be connected.
It is above-mentioned it is a kind of for Pcv valve in anti-frozen structure in, the madial wall of the adding thermal resistance covering valve body.It should
The setting of kind structure makes the heating surface (area) (HS of adding thermal resistance big, plays better anti-caking ice action, improves crankcase ventilation efficiency.
It is above-mentioned it is a kind of for Pcv valve in anti-frozen structure in, there is perforative through-hole on the valve body, it is described logical
Hole is connected with channel, and the conducting wire is connected across through-hole with adding thermal resistance.The setting of through-hole, make conducting wire connection adding thermal resistance and
Plug connector is convenient, and conducting wire will not hinder the gas in Pcv valve to flow.
It is above-mentioned it is a kind of for Pcv valve in anti-frozen structure in, be marked with casting glue in the through-hole.Casting glue plays
The effect of sealing makes the gas in Pcv valve not revealed from through hole.
It is above-mentioned it is a kind of for Pcv valve in anti-frozen structure in, the quantity at least two of the adding thermal resistance, phase
It is connected between two adjacent adding thermal resistances by conducting wire.The quantity of adding thermal resistance passes through according to the configuration settings of Pcv valve internal channel
Conducting wire is connected, easy to connect.
Compared with prior art, the anti-frozen structure provided by the utility model in Pcv valve has the following advantages：
1st, adding thermal resistance is equipped in the valve body of this Pcv valve, valve body is heated by adding thermal resistance, is improved in Pcv valve
Portion's temperature and then remaining condensation vapor in Pcv valve pipeline is prevented, lubricating oil emulsion, phenomena such as freezing, the valve core movement in valve body
It is smooth, improve crankcase ventilation efficiency.
2nd, the adding thermal resistance being equipped in this Pcv valve valve body and is heating electricity on the madial wall for stick on valve body in a ring
Resistance covers the madial wall of entire valve body, and heating surface (area) (HS is big, plays better anti-caking ice action, improves crankcase ventilation efficiency.
Description of the drawings
Fig. 1 is this overall structure diagram for anti-frozen structure in Pcv valve.
In figure, 1, valve body；2nd, channel；3rd, plug connector；4th, conducting wire；5th, adding thermal resistance；6th, through-hole.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1, Pcv valve includes valve body 1, there is the channel 2 axially penetrated through along valve body 1, anti-frozen structure in valve body 1
Including plug connector 3, conducting wire 4 and adding thermal resistance 5.
In the present embodiment, the quantity of adding thermal resistance 5 is three, passes through 4 phase of conducting wire between adjacent two adding thermal resistances 5
Even, in actual production, the quantity of adding thermal resistance 5 can be two or four, adding thermal resistance 5 in a ring, adding thermal resistance 5
In channel 2, adding thermal resistance 5 covers the madial wall of valve body 1, the lateral wall of adding thermal resistance 5 stick on the madial wall of valve body 1 and
Adding thermal resistance 5 is connected with 1 tight fit of valve body, has perforative through-hole 6 on valve body 1, and through-hole 6 is connected with channel 2, and conducting wire 4 is worn
Through-hole 6 is crossed, casting glue is marked in through-hole 6, one end and the plug connector 3 of conducting wire 4 are connected, and the other end is connected with adding thermal resistance 5, grafting
Part 3 and the ECU of automobile are connected.
When in automobile starting and driving process, when environment temperature is less than setting value, ECU is received in Pcv valve pipeline
Then temperature relatively low signal in portion's carries out electrified regulation, so as to improve in Pcv valve by plug connector 3, conducting wire 4 to adding thermal resistance 5
Portion's temperature makes remaining condensation vapor in Pcv valve pipeline, and lubricating oil emulsion, icing are melted, when Pcv valve internal temperature reaches
During certain value, ECU sends out signal, disconnects the heating to adding thermal resistance 5.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although the terms such as valve body 1, channel 2, plug connector 3, conducting wire 4, adding thermal resistance 5, through-hole 6 are used more herein,
But it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain this practicality
Novel essence；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (7)
1. a kind of anti-frozen structure in Pcv valve, Pcv valve includes valve body (1), has in the valve body (1) perforative logical
Road (2), which is characterized in that the anti-frozen structure includes plug connector (3), conducting wire (4) and at least one adding thermal resistance (5), institute
Adding thermal resistance (5) is stated in channel (2) and is fixed on the madial wall of valve body (1), the plug connector (3) for automobile
ECU is connected, and one end and the plug connector (3) of the conducting wire (4) are connected, and the other end is connected with adding thermal resistance (5).
A kind of 2. anti-frozen structure in Pcv valve according to claim 1, which is characterized in that the adding thermal resistance
(5) in a ring, the lateral wall of the adding thermal resistance (5) is sticked on the madial wall of valve body (1).
A kind of 3. anti-frozen structure in Pcv valve according to claim 1, which is characterized in that the adding thermal resistance
(5) it is connected with valve body (1) tight fit.
A kind of 4. anti-frozen structure in Pcv valve according to claim 1, which is characterized in that the adding thermal resistance
(5) madial wall of covering valve body (1).
5. a kind of anti-frozen structure in Pcv valve according to claim 1, which is characterized in that on the valve body (1)
With perforative through-hole (6), the through-hole (6) is connected with channel (2), and the conducting wire (4) is across through-hole (6) and adding thermal resistance
(5) it is connected.
6. a kind of anti-frozen structure in Pcv valve according to claim 5, which is characterized in that in the through-hole (6)
It is marked with casting glue.
A kind of 7. anti-frozen structure in Pcv valve according to claim 1, which is characterized in that the adding thermal resistance
(5) quantity at least two is connected by conducting wire (4) between adjacent two adding thermal resistances (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566894.6U CN207583458U (en) | 2017-11-22 | 2017-11-22 | A kind of anti-frozen structure in Pcv valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721566894.6U CN207583458U (en) | 2017-11-22 | 2017-11-22 | A kind of anti-frozen structure in Pcv valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583458U true CN207583458U (en) | 2018-07-06 |
Family
ID=62732804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721566894.6U Active CN207583458U (en) | 2017-11-22 | 2017-11-22 | A kind of anti-frozen structure in Pcv valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583458U (en) |
-
2017
- 2017-11-22 CN CN201721566894.6U patent/CN207583458U/en active Active
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