CN207761749U - PCV valve pipe - Google Patents
PCV valve pipe Download PDFInfo
- Publication number
- CN207761749U CN207761749U CN201721925136.9U CN201721925136U CN207761749U CN 207761749 U CN207761749 U CN 207761749U CN 201721925136 U CN201721925136 U CN 201721925136U CN 207761749 U CN207761749 U CN 207761749U
- Authority
- CN
- China
- Prior art keywords
- pressure transducer
- conducting wire
- tube body
- pcv valve
- pressure
- Prior art date
- 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.)
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Abstract
The utility model discloses a kind of Pcv valve pipes, including are communicated in valve tube body between Pcv valve and inlet manifold and are set to pressure transducer of the valve tube body for monitoring valve tube body inner cavity pressure；The both ends of the valve tube body are respectively arranged with fast plug；By the way that pressure transducer is arranged on valve tube body, the air-flow in Pcv valve pipe can be monitored, the gas in Pcv valve pipe is avoided to leak and pollute, ensure Pcv valve normal use；And stabilization is installed, good airproof performance.
Description
Technical field
The utility model is related to engine fittings fields, and in particular to a kind of Pcv valve pipe.
Background technology
When the end of engine power combustion process, some unburned mixtures leak into crankcase from piston ring at elevated pressures
It is interior, this leakage is known as " gas blowby " in the industry.These gas blowbies can be polluted from being escaped into air in crankcase.What these were scurried into
Gaseous mixture is not excluded, and can also dilute the machine oil in crankcase, makes machine oil is rotten to cause engine parts premature abrasion.From 20
From the sixties in century, California, USA just takes the lead in that automobile is required to install Pcv system additional, has become must filling for automobile
It is standby.
Most of gasoline engine is equipped with Pcv valve (positive crankcase ventilation(PCV)) and promotes engine breathing, but in gas blowby
Pollutant can be deposited on around Pcv valve, may make valve plug plug.If Pcv valve blocks, polluted gas inversely flows into air filter
Clear device pollutes filter core, so that filter capacity is reduced, fuel consumption is caused to increase, and engine scuffing increases, or even damage engine.
Therefore, palpus time-based maintenance PCV removes the pollutant around Pcv valve；In the prior art, generally by sebific duct and clip is coordinated to connect
Logical Pcv valve and inlet manifold so that when connection structure leaks, easily cause pollution.
Therefore, in order to solve the above problem, a kind of Pcv valve pipe is needed, the air-flow in Pcv valve pipe can be monitored, be kept away
Exempt from the leakage of the gas in Pcv valve pipe and pollute, ensures Pcv valve normal use.
Utility model content
In view of this, the purpose of the utility model is to overcome defect in the prior art, Pcv valve pipe is provided, it can be to PCV
Air-flow in valve pipe is monitored, and the gas in Pcv valve pipe is avoided to leak and pollute, and ensures Pcv valve normal use.
The Pcv valve pipe of the utility model, including be communicated in valve tube body between Pcv valve and inlet manifold and be set to valve pipe
Ontology is used to monitor the pressure transducer of valve tube body inner cavity pressure；The both ends of the valve tube body are respectively arranged with to be patched soon
Head.
Further, the pressure transducer includes the first pressure sensing and the second pressure transducer, and first pressure passes
Sensor and the second pressure transducer are respectively arranged at the both ends of the valve tube body.
Further, it is externally defeated after the output end of first pressure transducer is connected with the output end of the second pressure transducer
Go out to detect signal.
Further, one end fixed setting of the valve tube body is useful for the letter of output the first pressure transducer detection signal
Number output interface, second pressure transducer by conducting wire and signal output interface inside positive and negative electrode be electrically connected.
Further, first pressure transducer and the second pressure transducer include shell, conductive sheet, the first conducting wire,
Second conducting wire and elastic membrane；The shell is provided with opening and elastic membrane edge seal is fixed on open edge and makes housing cavity shape
At seal chamber, first conducting wire one end is adhered to elastic membrane inner wall, and conductive sheet is fixed on inner walls, one end of the second conducting wire
It is electrically connected to conductive sheet, the other end of the other end of the first conducting wire and the second conducting wire, which seals, to be pierced by shell the first pressure is collectively formed
The output end of strong sensor or the second pressure transducer, the elastic membrane are used under the effect of default external pressure be recessed inwardly to make
First conducting wire is contacted with guide pin.
The utility model has the beneficial effects that：A kind of Pcv valve pipe disclosed by the utility model, by being arranged on valve tube body
Pressure transducer can be monitored the air-flow in Pcv valve pipe, and the gas in Pcv valve pipe is avoided to leak and pollute, and protect
Demonstrate,prove Pcv valve normal use；And stabilization is installed, good airproof performance.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of pressure transducer in the utility model.
Specific implementation mode
Fig. 1 is the structural schematic diagram of the utility model, and Fig. 2 is the structural schematic diagram of pressure transducer in the utility model,
As shown, the Pcv valve pipe in the present embodiment, including be communicated in valve tube body between Pcv valve and inlet manifold and be set to valve
Tube body 1 is used to monitor the pressure transducer of valve tube body inner cavity pressure；The both ends of the valve tube body are respectively arranged with to be connect soon
Plug 3；The pressure transducer include the first pressure sensing 2 and the second pressure transducer 10, first pressure transducer and
Second pressure transducer is respectively arranged at the both ends of the valve tube body；The output end of first pressure transducer and the second pressure
Externally output detects signal after the output end series connection of strong sensor；One end fixed setting of the valve tube body is useful for output the
The signal that one pressure transducer detects signal exports interface 5, and second pressure transducer is exported by conducting wire and signal and inserted
The positive and negative electrode of interface internal is electrically connected；First pressure transducer and the second pressure transducer include shell, conductive sheet,
First conducting wire, the second conducting wire and elastic membrane；The shell is provided with opening and elastic membrane edge seal is fixed on open edge and makes
Housing cavity forms seal chamber, and described first conducting wire, 9 one end is adhered to elastic membrane inner wall, and conductive sheet is fixed on inner walls, the
One end of two conducting wires 8 is electrically connected to conductive sheet, and the other end of the other end of the first conducting wire and the second conducting wire, which seals, is pierced by shell 4
The output end of the first pressure transducer or the second pressure transducer is collectively formed, the elastic membrane is used to make in default external pressure
Being recessed inwardly under makes the first conducting wire be contacted with guide pin；Certainly, first sensor is equipped with for detecting internally positioned conduction
The detection module whether piece 6 and the first conducting wire are electrically connected, detection module belong to the prior art, and details are not described herein；When elastic membrane 7
When inside valve tube body, when pressure is less than preset value, elastic membrane is sprung back under the action of restoring elastic force, realizes that first leads
Line is disconnected with conductive sheet, and detection module detects the signal and outward output realization monitoring, and is respectively provided at valve tube body both ends
Pressure transducer ensures that monitoring accuracy is high, and the first pressure transducer is connected with the second pressure transducer：That is first sensor
The second conducting wire be electrically connected with the second conducting wire of the second pressure transducer, the first conducting wire and the second pressure sensing of first sensor
First conducting wire of device is electrically connected with the positive and negative electrode inside signal output interface respectively；By the way that quick connector, structure letter is arranged
It is single, it is easy for installation；The quick connector belongs to the prior art, and details are not described herein.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (5)
1. a kind of Pcv valve pipe, it is characterised in that：Including being communicated in valve tube body between Pcv valve and inlet manifold and being set to valve
Tube body is used to monitor the pressure transducer of valve tube body inner cavity pressure；The both ends of the valve tube body are respectively arranged with to be patched soon
Head.
2. Pcv valve pipe according to claim 1, it is characterised in that：The pressure transducer include the first pressure sensing and
Second pressure transducer, first pressure transducer and the second pressure transducer are respectively arranged at the two of the valve tube body
End.
3. Pcv valve pipe according to claim 2, it is characterised in that：The output end and second of first pressure transducer
Externally output detects signal after the output end series connection of pressure transducer.
4. Pcv valve pipe according to claim 3, it is characterised in that：One end fixed setting of the valve tube body is useful for
The signal output interface of the first pressure transducer detection signal is exported, second pressure transducer is defeated with signal by conducting wire
Go out the positive and negative electrode electrical connection inside interface.
5. Pcv valve pipe according to claim 4, it is characterised in that：First pressure transducer and the second pressure sensing
Device includes shell, conductive sheet, the first conducting wire, the second conducting wire and elastic membrane；The shell is provided with opening and elastic film edge
Being sealingly fastened in open edge makes housing cavity form seal chamber, and first conducting wire one end is adhered to elastic membrane inner wall, conductive
Piece is fixed on inner walls, and one end of the second conducting wire is electrically connected to conductive sheet, the other end of the first conducting wire and the second conducting wire it is another
One end, which seals, is pierced by the output end that the first pressure transducer or the second pressure transducer is collectively formed in shell, and the elastic membrane is used
The first conducting wire is set to be contacted with guide pin in being recessed inwardly under the effect of default external pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925136.9U CN207761749U (en) | 2017-12-31 | 2017-12-31 | PCV valve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925136.9U CN207761749U (en) | 2017-12-31 | 2017-12-31 | PCV valve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207761749U true CN207761749U (en) | 2018-08-24 |
Family
ID=63182973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721925136.9U Active CN207761749U (en) | 2017-12-31 | 2017-12-31 | PCV valve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207761749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989672A (en) * | 2017-12-31 | 2018-05-04 | 重庆小康工业集团股份有限公司 | Communicating pipe for Pcv valve |
-
2017
- 2017-12-31 CN CN201721925136.9U patent/CN207761749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989672A (en) * | 2017-12-31 | 2018-05-04 | 重庆小康工业集团股份有限公司 | Communicating pipe for Pcv valve |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |