CN208184812U - Crankcase bleed pipe travel switch - Google Patents
Crankcase bleed pipe travel switch Download PDFInfo
- Publication number
- CN208184812U CN208184812U CN201820575003.1U CN201820575003U CN208184812U CN 208184812 U CN208184812 U CN 208184812U CN 201820575003 U CN201820575003 U CN 201820575003U CN 208184812 U CN208184812 U CN 208184812U
- Authority
- CN
- China
- Prior art keywords
- button
- travel switch
- upper cover
- stretching
- crankcase bleed
- 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.)
- Active
Links
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of crankcase bleed pipe travel switches, when crankcase bleed pipe installation, ventilation duct is formed by the way that the insertion male end of ready-packaged joint to be inserted into the both ends of seal pipe respectively first, then the air inlet pipeline of the outlet pipe of oil and gas separating system and cylinder is inserted into the insertion female end of both ends ready-packaged joint respectively and is locked by safety collar with snap coordinating backstop ring and is sealed by male end sealing ring and female end sealing ring；When the insertion female end of outlet pipe and air inlet pipeline insertion ready-packaged joint, the notch that the male end head of outlet pipe and air inlet pipeline is utilized respectively isolation ring contacts and squeezes the button of corresponding position, Button Compression holddown spring in turn, holddown spring will further stretch interior turn round and jack up so as to twist joint touching PIN needle realization circuit conducting in stretching；Circuit of the travel switch of this kind of structure for crankcase bleed pipe has many advantages, such as stable structure, conducting high sensitivity, precision height and long service life when being connected.
Description
Technical field
The utility model relates to technical field of automobile parts, in particular to a kind of crankcase bleed pipe travel switch.
Background technique
When the engine is working, the high pressure combustion mixture and burnt gas of combustion chamber more or less can by piston group with
Gap between cylinder leaks into crankcase and causes gas blowby.The ingredient of gas blowby is unburned fuel vapor, vapor and exhaust gas etc.,
This can dilute machine oil, reduce the service performance of machine oil, accelerate the oxidation of machine oil, go bad.Condensation of moisture will form oil in machine oil
Mud, clogged oil line；Sour gas in exhaust gas, which is mixed into lubricating system, will lead to the corrosion and accelerated wear test of engine part；Gas blowby
It can also make the hypertonia of crankcase and destroy the sealing of crankcase, be lost engine oil leakage.
To prevent crankcase pressure excessively high, extends machine oil service life, reduce parts depreciation and corrosion, prevent engine from leaking
Oil, it is necessary to carry out crankcase ventilation.In addition, to meet increasingly strict emission request and improving economy, in automobile engine
Also crankcase ventilation system design must be carried out in design process.New six discharge standard of state regulation, crankcase gas blowby can not be arranged
Enter atmosphere in order to avoid causing atmosphere pollution, it is therefore necessary to which the gas after separating oil and gas separating system imports engine aspirating system simultaneously
Participate in burning, it is therefore desirable to use the crankcase bleed pipe of connection crankcase and cylinder intake system.
A kind of crankcase bleed pipe shown in FIG. 1 comprising: meet the nylon material of SAE J2044 leak-testing standard
Seal pipe and the ready-packaged joint 10 that seal pipe both ends are arranged in, seal pipe operating temperature range are -40 DEG C ~ 150 DEG C；Seal pipe
Outside is provided with conducting wire；Both ends ready-packaged joint 10 is provided with travel switch 20, and connects travel switch 20 and be arranged and connecing
Circuit board 19 in wire casing 13, the circuit board 19 that the both ends of two conducting wires are connected to corresponding end form conducting circuit；Wherein one
The circuit board 19 at end is also connected with external electric connector for connecting automobile master control ECU to export on-off signal.Wherein, fastly
It is close with seal pipe that 12 radial outside of insertion male end that joint 10 is used to be inserted into seal pipe both ends is provided with sealing pawl realization
Close connection；The insertion female end of ready-packaged joint 10 is provided with female end snap ring 11, and corresponding female end snap ring 11 is provided with safety collar 17 and lock
Spring 18；The jack inner wall of ready-packaged joint 10 is provided with the tool isolation ring 14 jaggy of correspondence course switch 20, and setting exists
The male end sealing ring 15 and female end sealing ring 16 of 14 two sides of isolation ring are inserted into the gas of male end 12 and insertion female end to be individually insulated,
And it is realized and is sealed by sealing ring when the air inlet pipeline 1 of the outlet pipe of oil and gas separating system and cylinder is inserted into jack, and oil
The radial outside of the air inlet pipeline 1 of the outlet pipe and cylinder of gas separating system is provided with baffle ring 2 to cooperate safety collar 17
And snap 18 carries out locking and the outlet pipe of oil and gas separating system and the air inlet pipeline 1 of cylinder is avoided to be detached from from ready-packaged joint 10.
In the ready-packaged joint 10 of above structure, travel switch 20 is the key that crankcase bleed pipe realization conducts portion
Part, thus, the conducting sensitivity of travel switch 20, precision and service life are most important, need to design more reasonable stroke
20 structure of switch is to meet above-mentioned requirements.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of crankcase bleed pipe travel switch, setting exists
Inside the ready-packaged joint of crankcase bleed pipe and with the circuit board communication inside the ready-packaged joint, the travel switch includes:
Pedestal and upper cover, the pedestal are fixed in the connecting groove of the ready-packaged joint, and the upper cover is fixed on the bottom
On seat；The inner wall of the upper cover is provided with two PIN needles, and one end of the PIN needle stretches out the upper cover and is connected to the electricity
Road plate；
The pedestal is connected with button, and the pedestal is protruded into one end of the button, and the other end of the button is stretched
The pedestal and respectively correspond the outlet pipe of the oil and gas separating system and the air inlet pipeline of cylinder out；
The button is connected with the holddown spring of the corresponding upper cover, and the other end of the holddown spring is provided in stretching
It turns round, the corresponding PIN needle is turned round in the stretching and is located at the part inside the upper cover and there is spacing H in a non-operative state,
When the button is risen by the extruding of the outlet pipe of the oil and gas separating system and the air inlet pipeline of cylinder and compresses institute
When stating holddown spring so as to turn round synchronous rise in the stretching, turns round to contact with the PIN needle in the stretching and realize circuit conducting.
Preferential, the other end turned round in the stretching is provided with boosting spring, and the other end of the boosting spring is connected to
The inner wall of the upper cover.
Preferential, one end that the button corresponds to the air inlet pipeline is provided with curved end.
Preferably, the button has a hollow groove of the corresponding holddown spring, and the holddown spring setting is in described
In empty slot and the other end is correspondingly arranged in the stretching and turns round.
Preferably, one end that the button is located at the chassis interior has been arranged radially convex platform, and the pedestal is provided with
The lower convex platform of the corresponding convex platform, by the lower convex platform to the limit of the convex platform to the Bottom Runby of the button
It is defined.
Preferably, the hollow groove with the corresponding boosting spring is turned round in the stretching, the boosting spring is arranged in institute
It states in hollow groove and the other end is set on the limit guide post of the upper cover inner wall.
Preferably, the one end for the correspondence PIN needle turned round in the stretching has been arranged radially pin, the pin with it is described
The part that PIN needle is located inside the upper cover is arranged in parallel and has spacing H in a non-operative state.
Through the above technical solutions, working as crankcase when travel switch provided by the utility model is used for crankcase bleed pipe
When ventilation duct is installed, formed first by the both ends that the insertion male end of ready-packaged joint shown in FIG. 1 is inserted into seal pipe respectively logical
Air hose, then insertion that the air inlet pipeline of the outlet pipe of oil and gas separating system and cylinder is inserted into both ends ready-packaged joint respectively are female
It holds and passes through safety collar and lock with snap coordinating backstop ring and be sealed by male end sealing ring and female end sealing ring；Work as oil
When the insertion female end of the air inlet pipeline insertion ready-packaged joint of the outlet pipe and cylinder of gas separating system, oil and gas separating system goes out
The male end head of the air inlet pipeline of air pipe and cylinder is utilized respectively the notch contact of isolation ring and squeeze buttons, and then Button Compression
Holddown spring, holddown spring will further stretch interior turn round and jack up so as to twist joint touching PIN needle realization circuit conducting in stretching；This kind knot
Circuit of the travel switch of structure for crankcase bleed pipe has stable structure, conducting high sensitivity, precision height and makes when being connected
With the service life it is long the advantages that.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.
Fig. 1 and 2 is respectively a kind of decomposition texture and sectional structure of ready-packaged joint disclosed in the utility model embodiment
Schematic diagram；
Fig. 3 is travel switch off working state (off-position) structural schematic diagram disclosed in the utility model embodiment；
Fig. 4 is travel switch working condition (conduction state) structural schematic diagram disclosed in the utility model embodiment.
Digital representation in figure:
1. 2. baffle ring of air inlet pipeline, 10. ready-packaged joint, 11. female end snap ring 12. is inserted into 13. wiring of male end
18. snap of slot 14. isolation ring, 15. male end sealing ring, 16. female end sealing ring, 17. safety collar, 19. circuit board
20. 23. button of travel switch 21. upper cover, 22. pedestal, 24. holddown spring 25. stretches interior 26. limit of torsion and leads
27. boosting spring 28.PIN needle of column.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
With reference to Fig. 1-4, crankcase bleed pipe travel switch 20 provided by the utility model, setting is shown in Fig. 1 and 2
The inside of ready-packaged joint 10 of crankcase bleed pipe and with the circuit board communication inside ready-packaged joint 10, travel switch 20 includes: bottom
Seat 22 and upper cover 21, pedestal 22 are fixed in the connecting groove of ready-packaged joint 10, and upper cover 21 is fixed on pedestal 22；Upper cover 21 it is interior
Wall is provided with two PIN needles 28, and one end of PIN needle 28 stretches out upper cover 21 and is connected to circuit board；Pedestal 22 be connected with by
Pedestal 22 is protruded into button 23, one end of button 23, and the other end of button 23 stretches out pedestal 22 and is provided with curved end with corresponding oil
The outlet pipe of gas separating system and the air inlet pipeline 1 of cylinder, one end that button 23 is located inside pedestal 22 have been arranged radially
Boss, pedestal 22 are provided with the lower convex platform of corresponding convex platform, by lower convex platform to the limit of convex platform to the downlink of button 23
Distance is defined；Button 23 is connected with the holddown spring 24 of corresponding upper cover 21, and button 23 has in corresponding holddown spring 24
Empty slot, holddown spring 24 is arranged in hollow groove and the other end is correspondingly arranged in stretching and turns round 25, and 25 other end is turned round in stretching
It is provided with boosting spring 27 and there is the hollow groove of corresponding boosting spring 27, boosting spring 27 is arranged in hollow groove and the other end
It is set in the inner wall that upper cover 21 is connected on the limit guide post 26 of 21 inner wall of upper cover；25 correspondence PIN needle is turned round in stretching
28 one end has been arranged radially pin, and pin and PIN needle 28 are located at the part inside upper cover 21 and are arranged in parallel and in inoperative shape
Have spacing H(since the trip switch 20 is precise jiggle switch under state, spacing H is only 0.3 ± 0.1mm, therefore by slight
Circuit conducting can be realized in extruding, and same pipeline slightly has disengaging that circuit is caused to disconnect and alarm), when button 23 is by oil gas
The extruding of the air inlet pipeline 1 of the outlet pipe and cylinder of separation system and rise and compress holddown spring 24 so that stretch in turn round 25
When synchronous rising, interior torsion 25 is stretched by pin and contacts realization circuit conducting with PIN needle 28.
Working principle of the utility model is:
When crankcase bleed pipe installation, first by inserting the insertion male end 12 of ready-packaged joint 10 shown in FIG. 1 respectively
The both ends for entering seal pipe form ventilation duct, then by the outlet pipe of oil and gas separating system and the air inlet pipeline 1 of the cylinder of cylinder
It is inserted into the insertion female end of both ends ready-packaged joint 10 respectively and respectively by safety collar 17 and 18 coordinating backstop ring 2 of snap and female end card
Ring 11 is locked and is sealed by male end sealing ring 15 and female end sealing ring 16；When oil and gas separating system outlet pipe and
When the air inlet pipeline 1 of cylinder is inserted into the insertion female end of ready-packaged joint 10, the air inlet of the outlet pipe and cylinder of oil and gas separating system
The male end head of pipeline 1 contacts using the notch of isolation ring 14 and squeezes the button 23 of the utility model travel switch 20, and then presses
The compression holddown spring 24 of button 23, holddown spring 24 will further stretch interior torsion 25 and jack up and compress boosting spring 27 so that in stretching
The pin contact PIN needle 28 for turning round 25 realizes circuit conducting, working condition as shown in Figure 4 (conduction state)；When Oil-gas Separation system
After the air inlet pipeline 1 of the outlet pipe of system and cylinder is fallen off or is removed from ready-packaged joint 10, the outlet pipe of oil and gas separating system
And the male end head of the air inlet pipeline 1 of cylinder and the button 23 of travel switch 20 gradually disengage, then due to outside that button 23 is subject to
Extruding force disappears, and boosting spring 27 starts to reset and turn round in stretching 25 and push to reset and further make 24 stress of holddown spring simultaneously
Promoting button 23 reset, then stretch in turn round 25 pin and PIN needle 28 be detached from and make circuit disconnect and button 23 convex platform with
Under the position-limiting action of lower convex platform and stroke is fixed, off working state as shown in Figure 3 (off-position).
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.A variety of modifications of above-described embodiment will be readily apparent to those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of crankcase bleed pipe travel switch, the travel switch are arranged in inside the ready-packaged joint of crankcase bleed pipe simultaneously
With the circuit board communication inside the ready-packaged joint, which is characterized in that the travel switch includes:
Pedestal and upper cover, the pedestal are fixed in the connecting groove of the ready-packaged joint, and the upper cover is fixed on the base；
The inner wall of the upper cover is provided with two PIN needles, and one end of the PIN needle stretches out the upper cover and is connected to the circuit board；
The pedestal is connected with button, and the pedestal is protruded into one end of the button, and the other end of the button stretches out institute
It states pedestal and respectively corresponds the outlet pipe of oil and gas separating system and the air inlet pipeline of cylinder；
The button is connected with the holddown spring of the corresponding upper cover, and the other end of the holddown spring is provided in stretching and turns round,
The corresponding PIN needle is turned round in the stretching to be located at the part inside the upper cover and there is spacing H in a non-operative state, works as institute
Button is stated to be risen by the extruding of the outlet pipe of the oil and gas separating system and the air inlet pipeline of cylinder and compress the pressure
Tight spring is so as to turn round synchronous rise in the stretching when, turns round to contact with the PIN needle in the stretching and realize circuit conducting.
2. crankcase bleed pipe travel switch according to claim 1, which is characterized in that the other end turned round in the stretching
It is provided with boosting spring, the other end of the boosting spring is connected to the inner wall of the upper cover.
3. crankcase bleed pipe travel switch according to claim 1, which is characterized in that the button corresponds to the air inlet
One end of pipeline is provided with curved end.
4. crankcase bleed pipe travel switch according to claim 1, which is characterized in that the button has described in correspondence
The hollow groove of holddown spring, the holddown spring is arranged in the hollow groove and the other end is correspondingly arranged in the stretching
It turns round.
5. crankcase bleed pipe travel switch according to claim 1, which is characterized in that the button is located at the pedestal
Internal one end has been arranged radially convex platform, and the pedestal is provided with the lower convex platform of the corresponding convex platform, by convex under described
Platform is defined the limit of the convex platform to the Bottom Runby of the button.
6. crankcase bleed pipe travel switch according to claim 2, which is characterized in that turning round in the stretching has correspondence
The hollow groove of the boosting spring, the boosting spring is arranged in the hollow groove and the other end is set in positioned at the upper cover
On the limit guide post of inner wall.
7. crankcase bleed pipe travel switch according to claim 1, which is characterized in that the correspondence institute turned round in the stretching
The one end for stating PIN needle has been arranged radially pin, and the part that the pin is located inside the upper cover with the PIN needle is arranged in parallel
And there is spacing H in a non-operative state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575003.1U CN208184812U (en) | 2018-04-21 | 2018-04-21 | Crankcase bleed pipe travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820575003.1U CN208184812U (en) | 2018-04-21 | 2018-04-21 | Crankcase bleed pipe travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184812U true CN208184812U (en) | 2018-12-04 |
Family
ID=64434680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820575003.1U Active CN208184812U (en) | 2018-04-21 | 2018-04-21 | Crankcase bleed pipe travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500462A (en) * | 2019-06-27 | 2019-11-26 | 安徽省锦瑞汽车部件有限公司 | Triton contact tube |
| CN110660601A (en) * | 2019-09-12 | 2020-01-07 | 安徽省锦瑞汽车部件有限公司 | Crankcase ventilation pipe travel switch |
-
2018
- 2018-04-21 CN CN201820575003.1U patent/CN208184812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500462A (en) * | 2019-06-27 | 2019-11-26 | 安徽省锦瑞汽车部件有限公司 | Triton contact tube |
| CN110660601A (en) * | 2019-09-12 | 2020-01-07 | 安徽省锦瑞汽车部件有限公司 | Crankcase ventilation pipe travel switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208138664U (en) | Crankcase bleed pipe ready-packaged joint | |
| CN208184812U (en) | Crankcase bleed pipe travel switch | |
| CN208605242U (en) | A kind of crankcase ventilation tube assembly and engine | |
| CN107740893A (en) | Conducting type crankcase bleed pipe | |
| CN208236478U (en) | crankcase ventilation system and automobile with the crankcase ventilation system | |
| CN207661277U (en) | Conducting type crankcase bleed pipe | |
| CN208722788U (en) | A kind of quick connector microswitch | |
| CN209622266U (en) | A kind of quick connector water proof switch | |
| CN216477520U (en) | Crankcase ventilation system and vehicle | |
| CN218760129U (en) | Pipeline structure for automobile diagnosis | |
| CN210550946U (en) | Lock spring assembly module of quick connector for crankcase ventilation pipe | |
| CN211925095U (en) | Non-detachable quick connector assembly with cover | |
| CN216554054U (en) | Integrated conductive crankcase ventilation pipe | |
| CN211925096U (en) | Non-detachable quick connector combination | |
| CN214305799U (en) | Safety ring opening type non-detachable quick connector combination | |
| CN110480579B (en) | Lock spring assembly module of quick connector of crankcase ventilation pipe | |
| CN209654098U (en) | Engine crank case ventilation pipe, engine and automobile | |
| CN209672071U (en) | Quick connector structure and vehicle | |
| CN213745420U (en) | Split type undetachable quick connector combination of safety ring | |
| CN205225450U (en) | Built -in machine oil two -stroke -cycle engine | |
| CN205876436U (en) | Crankcase fan device | |
| CN205049347U (en) | Heat engine test bench | |
| CN218581705U (en) | Air inlet mechanism of two-stroke engine | |
| CN203335175U (en) | Ventilation system for crankcase of supercharged engine | |
| CN214305797U (en) | Detachable crankcase ventilation pipe quick connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |