CN108799510A - A kind of rotation assembled canister shut-off valve - Google Patents
A kind of rotation assembled canister shut-off valve Download PDFInfo
- Publication number
- CN108799510A CN108799510A CN201810894984.0A CN201810894984A CN108799510A CN 108799510 A CN108799510 A CN 108799510A CN 201810894984 A CN201810894984 A CN 201810894984A CN 108799510 A CN108799510 A CN 108799510A
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- Prior art keywords
- end cap
- valve
- assembly
- roll
- valve body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
- F02M2025/0845—Electromagnetic valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of rotation assembled canister shut-off valves, include valve body, electrical connector is equipped on valve body, wherein：The lower end of valve body is equipped with end cap, the upper and lower ends of end cap are both provided with seal assembly, the seal assembly of end cap upper end is the first sealing ring, the seal assembly of end cap lower end is the second sealing ring, resetting spring is provided in end cap, anti-rotation card end is provided with below electrical connector, electromagnetic coil assembly is coated in valve body, valve head assembly is connected on electromagnetic coil assembly, valve head assembly is in contact with resetting spring, electromagnetic coil assembly is in coaxial assembly with valve head assembly, resetting spring, end cap, has valve body to be arranged outside and is connected with canister connector.Thus, it is possible to which vapo(u)rization system is enabled to form an autonomous closure system, entire vapo(u)rization system is monitored by OBD and whether there is leakage point, promotes environmental protection standard and safe to use.Configured with independent canister connector, ensure the air-tightness of the stability and actual use of installation.
Description
Technical field
The present invention relates to a kind of shut-off valve more particularly to a kind of rotation assembled canister shut-off valves.
Background technology
With flourishing for modern automobile industry, the problems such as polluting is revealed for motor vehicle exhaust emission, fuel evaporation
Control has become one of the emphasis in automobile R&D process.Based on announced《GB18352.6-2016 light-duty vehicle pollutants
Emission limit and measurement method (Chinese 6th stage)》, it is stringenter that automobile allows the amount of gasoline evaporateing into air to need
Control, in vehicle fuel oil evaporation emission control systems (EVAP), except the pipeline between Valve EGR and inlet manifold
The integrality needs of entire vapo(u)rization system are monitored by OBD system, prevent from causing fuel vapor to be leaked to because of reasons such as pipeline fractures
In air.According to the monitoring mode of OBD system, needed in monitoring the connection except entire vapo(u)rization system and system is disconnected
It opens, makes an independent closed system, sentenced by monitoring the variation of closed system internal pressure within a certain period of time
Entire vapo(u)rization system of breaking is with the presence or absence of leakage.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of rotation assembled canister
Shut-off valve makes it with more the utility value in industry.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of rotation assembled canister shut-off valves.
A kind of rotation assembled canister shut-off valve of the present invention, includes valve body, electrical connector is equipped on the valve body,
Wherein：The lower end of the valve body is equipped with end cap, and the upper and lower ends of the end cap are both provided with seal assembly, the end cap upper end
Seal assembly be the first sealing ring, the seal assembly of the end cap lower end is the second sealing ring, is provided in the end cap multiple
Position spring, is provided with anti-rotation card end below the electrical connector, electromagnetic coil assembly, the electromagnetism is coated in the valve body
Valve head assembly is connected on coil block, the valve head assembly is in contact with resetting spring, the electromagnetic coil assembly and valve head
Component, resetting spring, end cap have valve body to be arranged outside and are connected with canister connector in coaxial assembly.
Further, above-mentioned a kind of rotation assembled canister shut-off valve, wherein the electromagnetic coil assembly uses coiling
Axis, copper coil, left conductive pin and right conductive pin, yoke lower cover, yoke sleeve, yoke upper cover plate are constituted,
The yoke lower cover is plastic on roll, and the copper coil is wrapped on roll, and the two of the copper coil
Head is formed by welding electromagnetic coil ontology with left conductive pin, right conductive pin respectively,
The electromagnetic coil ontology is inserted in yoke sleeve, and makes yoke sleeve and yoke lower cover riveting,
The yoke upper cover plate is inserted at the top of roll and is riveted with yoke sleeve,
Core assembly is installed in the roll.
Further, above-mentioned a kind of rotation assembled canister shut-off valve, wherein the core assembly includes dynamic iron
Core, static iron core are constituted, and bump rubber are embedded at the top of the dynamic iron core, and be packed into roll, the static iron core interference dress
With in indentation roll, enable dynamic iron core lock in roll.
Further, above-mentioned a kind of rotation assembled canister shut-off valve, wherein the bottom periphery of the roll is set
It is equipped with roll external annulus.
Further, above-mentioned a kind of rotation assembled canister shut-off valve, wherein the valve head assembly includes valve rod,
Interference fit is arranged with rubber gasket on the valve rod, and support chip, the support chip and rubber is distributed in one end of the valve rod
Glue gasket contacts.
Further, above-mentioned a kind of rotation assembled canister shut-off valve, wherein the end cap includes the first sealing
Ring recess, the second seal groove, rotation card slot, spring fastening, gas outlet, air inlet, seal, welding annular groove are constituted,
First sealing ring is arranged in the upper end of end cap, and second seal groove is arranged in the lower end of end cap,
First sealing ring is mounted in the first seal groove, and second sealing ring is mounted on the second seal groove
It is interior；
The lower end of the end cap is additionally provided with rotation card slot,
It is provided with spring fastening in the lower end of the end cap,
Gas outlet is offered on the end cap,
The bottom of the end cap is provided with air inlet,
It is provided with seal in the end cap,
Welding annular groove is provided at the top of the end cap.
Further, above-mentioned a kind of rotation assembled canister shut-off valve, wherein the canister connector includes this
Body is provided with inner cavity in the ontology,
The bottom of the inner cavity is provided with internal screens step,
The side of the bodies top is provided with external screens double step, rotary stopper step.
Still further, a kind of above-mentioned rotation assembled canister shut-off valve, wherein the spring fastening holds for herringbone
Carry bearing.
According to the above aspect of the present invention, the present invention has at least the following advantages：
1, vapo(u)rization system can be enabled to form an autonomous closure system, monitor whether entire vapo(u)rization system deposits by OBD
In leakage point, environmental protection standard and safe to use is promoted.
2, use can be matched with currently widely used canister connector, to adapt to the different classes of canister of different clients
Connection requirement no longer needs to the air-tightness for ensureing the stability and actual use of installation by the secondary connection of the other modes such as pipeline.
3, shutdown, conducting switching are sensitive during working, and meet the OBD diagnosis control needs during the daily form of vehicle.
4, overall structure is simple, is easily assembled and working service.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is the overall structure diagram of valve body.
Fig. 2 is the distribution schematic diagram at anti-rotation card end.
Fig. 3 is the half section structure diagram of valve body.
Fig. 4 is the overall structure diagram of electromagnetic coil assembly.
Fig. 5 is the half section structure diagram of electromagnetic coil assembly.
Fig. 6 is the overall structure diagram of valve head assembly.
Fig. 7 is the cross-sectional view of valve head assembly.
Fig. 8 is the structural schematic diagram of end cap.
Fig. 9 is the structural schematic diagram of spring fastening.
Figure 10 is the half section structure diagram of end cap.
Figure 11 is the overall structure diagram of canister connector.
Figure 12 is the half section structure diagram of canister connector.
Figure 13 is the initial position schematic diagram that valve body is combined with canister connector.
Figure 14 is the lock position schematic diagram that valve body is combined with canister connector.
Figure 15 is the overall structure diagram that valve body is combined with canister connector.
Figure 16 is the half section structure diagram that valve body is combined with canister connector.
Figure 17 is the combination schematic diagram of valve body and canister.
Figure 18 is the connection diagram at anti-rotation card end in Figure 17.
Figure 19 is the connection diagram of internal screens step in Figure 17.
Figure 20 is powered off the structural schematic diagram that the charge air flow in operating mode moves towards schematic diagram.(dotted arrow is charge air flow)
Figure 21 is switched on half section structure diagram of the invention in operating mode.
Figure 22 is application schematic diagram of the present invention in fuel steam discharge control system.(dotted line frame is fuel evaporation system
System)
The meaning of each reference numeral is as follows in figure.
1 valve body, 2 canister connector
3 end cap, 4 first sealing ring
5 second sealing ring, 6 electromagnetic coil assembly
7 valve head assembly, 8 resetting spring
201 inner cavity, 202 inside screens step
203 outside screens double step, 204 rotary stopper step
301 first seal groove, 302 second seal groove
303 rotation 304 spring fastenings of card slot
305 gas outlet, 306 air inlet
307 seals 308 weld annular groove
601 roll, 602 copper coil
The secondary conductive pin of 603 main conductive pin 604
605 yoke lower cover, 606 yoke sleeve
607 yoke upper cover plate, 608 dynamic iron core
609 bump rubber, 610 static iron core
611 roll external annulus, 701 valve rod
702 rubber gasket, 801 charge air flow
901 shut-off valve, 902 canister
903 air filter, 904 Valve EGR
905 fuel tank, 101 electrical connector
102 anti-rotation card ends
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Such as a kind of rotation assembled canister shut-off valve of Fig. 1 to Figure 22, includes valve body 1, be equipped on valve body 1 and electrically connect
First 101, unusual place is：The lower end for the valve body 1 that the present invention uses is equipped with end cap 3.Simultaneously, it is contemplated that follow-up carbon
Tank connector 2 possesses preferable leakproofness after installing between valve body 1, and the upper and lower ends of end cap 3 are both provided with seal assembly.Tool
For body, the seal assembly of 3 upper end of end cap is the first sealing ring 4, and the seal assembly of 3 lower end of end cap is the second sealing ring 5.And
And resetting spring 8 is provided in end cap 3.In order to subsequently assemble the anti-rotation needs during installation, the lower section of electrical connector 101
It is provided with anti-rotation card end 102.Also, it is coated with electromagnetic coil assembly 6 in valve body 1, valve head group is connected on electromagnetic coil assembly 6
Part 7, valve head assembly are in contact with resetting spring 8.In order to ensure the smooth work of valve head assembly 7, resetting spring 8, electromagnetic coil
Component 6 is in coaxial assembly with valve head assembly 7, resetting spring 8, end cap 3.Furthermore in order to adapt to the canister in various Vehicular systems
Layout connection needs, and canister connector 2 is connected with having to be arranged outside valve body 1.
From the point of view of a preferable embodiment of the invention, the electromagnetic coil assembly 6 of use is using roll 601, copper wire
Circle 602, left conductive pin 603 and right conductive pin 604, yoke lower cover 605, yoke sleeve 606,607 structure of yoke upper cover plate
At.
From the point of view of practical set：The present invention is plastic on roll 601 by yoke lower cover 605.Meanwhile by copper coil
602 are orderly wound on roll 601.It is welded respectively with left conductive pin 603, right conductive pin 604 at the both ends of copper coil 602
It connects, constitutes electromagnetic coil ontology.Electromagnetic coil ontology is inserted in yoke sleeve 606 by period of assembly, and make yoke sleeve 606 with
605 riveting of yoke lower cover.Later, by yoke upper cover plate 607 be inserted in the top of roll 601 and with 606 riveting of yoke sleeve
It connects.Also, core assembly is installed in roll 601, the bottom periphery of roll 601 is provided with roll external annulus 611.
Electromagnetic coil assembly 6 is constituted after assembling as a result,.
From the point of view of further, the core assembly that the present invention uses includes dynamic iron core 608, the composition of static iron core 610.In dynamic iron core
608 tops are embedded with bump rubber 609, and are freely packed into roll 601.It will
610 elastic conjunction of static iron core is pressed into roll 601, enables the lock of dynamic iron core 608 in roll 601, in this way in day
It can ensure that dynamic iron core 608 will not drop out roll 601 in being often used.
In order to coordinate the normal operation of electromagnetic coil assembly 6, resetting spring 8, the valve head assembly of use includes valve rod 701,
Interference fit is arranged with rubber gasket 702 on valve rod 701.Also, for the ease of promoted rubber gasket 702 assembly according to
Support chip is distributed in one end of valve rod 701 in attached effect, and support chip is contacted with rubber gasket 702.
From the point of view of further, end cap 3 that the present invention uses include the first seal groove 301, the second seal groove 302,
Rotate card slot 303, spring fastening 304, gas outlet 305, air inlet 306, seal 307, the welding composition of annular groove 308.It is specific next
It says, the first sealing ring 4 is arranged in the upper end of end cap 3, and the second seal groove 302 is arranged in the lower end of end cap 3, the first sealing ring 4
In the first seal groove 301, the second sealing ring 5 is mounted in the second seal groove 302.Meanwhile in order to connect with canister
More firm assembly is realized between fitting 2, and rotation card slot 303 is additionally provided in the lower end of end cap 3.Also, in view of resetting
The normal storage of spring 8 is provided with spring fastening 304 in the lower end of end cap 3.In order to effectively carry resetting spring 8, ensure it
Bottom possesses preferably support and without departing from the spring fastening 304 used carries bearing for herringbone during use.
Furthermore in order to realize that necessary air-flow moves towards planning, gas outlet 305 is offered on end cap 3, and in end cap 3
Bottom is provided with air inlet 306.During actual use, gas outlet 305 is connected to canister part, and air inlet 305 is connected to air filter.
The disconnection of EVAP Evaporative System and ambient atmosphere, is provided with seal 307 in end cap 3 when in order to realize OBD diagnosis.Furthermore it examines
Consider the needs of follow-up assembly positioning, the present invention is also provided with welding annular groove 308 at the top of end cap 3.
During practical set, valve rod 701 is passed through to the blind hole of matching insertion dynamic iron core 608 after static iron core 610.Later,
Resetting spring 8 is packed into end cap 3, then the roll external annulus 611 that valve body lower end is exposed is inserted in end upper part of the cover and welds annular groove
308, so that the two is coaxially assembled and is welded to connect.At this point, resetting spring 8 is in initial compressed state, and pass through valve rod 701
Dynamic iron core 608 is withstood on into the top of 601 inner cavity of roll and is unable to free movement, so far completes assembling.
Meanwhile in order to avoid there is the leakage of fuel vapor, roll external annulus 611 and end cap top that the present invention uses
Welding annular groove 308 matching welding.In this way, a complete closing chamber can be formed so that the fuel oil in entire vapo(u)rization system
Steam will not pass through the part gap in valve body.Thus, it is possible to avoid fuel vapor from left conductive pin 603, right conductive pin
Gap between 604 and valve body is leaked in air.
In order to adapt to common EVAP Evaporative System layout, the canister connector 2 of use includes ontology, is arranged in ontology
There is inner cavity 201.Meanwhile the bottom of inner cavity 201 being provided with internal screens step 202.Also, coordinate the rank at anti-rotation card end 102
It connects, the side of bodies top is provided with external screens double step 203, rotary stopper step 204.
From the point of view of practical set, valve body 1 is inserted into the inner cavity 201 of canister connector 2, rotates to lock position.This
When, the first sealing ring 4 contacts to form first of sealing with 201 inner wall of inner cavity.Second sealing ring 5 contacts shape with 201 inner wall of inner cavity
It is sealed at second.Meanwhile the anti-rotation card end 102 on shut-off valve 901 is with the external screens rotated through on canister connector 2
Double step 203, and stop rotating after being contacted with rotary stopper step 204.During this period, anti-rotation card end 102 is in external card
Between position double step 203 and rotary stopper step 204, enable shut-off valve 901 that can not reverse.Also, the interior bottom of chamber of canister connector 2
The inside screens step 202 in portion also slides into the rotation card slot 303 on the end cap 3 of shut-off valve 901 with rotation, enables shut-off valve 901
It is limited, can not be extracted from the inner cavity of canister connector 2 201 in above-below direction.So far, shut-off valve 901 is connect with canister
Part secure fit connects.
It is described as follows in conjunction with the operation principle of the present invention：
Operating mode one：Power off operating mode.
As shown in figure 20, in the event of a power failure, electromagnetic coil assembly 6 is not energized, and does not generate electromagnetic force.At this point,
The initial compression force of resetting spring 8 makes valve head assembly 7 and dynamic iron core 608 be withstood on 601 inner cavity top of roll.Come as a result,
Flow through air inlet 306, seal 307, gas outlet 305 from the clean gas in air filter, form charge air flow 801, and finally into
Enter to canister.
Operating mode two：Energization operating mode.
As shown in figure 21, in the case of energization, electromagnetic coil assembly 6 is encouraged, and the electromagnetic force of generation is enough to overcome
The compression spring force of resetting spring 8.It enables electromagnetic force adsorb dynamic iron core 608 down as a result, and valve head assembly 7 is driven to transport down
It is dynamic.Finally, the rubber gasket 702 in valve head assembly 7 is contacted with the fitting of seal 307 on end cap 3.Electromagnetic force at this time is still
So the rear generated spring force than initial compressed state bigger is further compressed more than resetting spring 8 so that rubber seal
Pad 702 fits closely always with seal 307.To, air inlet 306 and gas outlet 305 are completely cut off completely, it is dry from air filter
Net gas cannot be introduced into canister.
Further, when powering off again, electromagnetic coil assembly 6 can not generate electromagnetic force, caused by resetting spring 8
Compression spring force pushes valve head assembly 7 and dynamic iron core 608 to move up.At this point, rubber gasket 702 is separated with seal 307, into
Gas port 306 is connected to again with gas outlet 305, and charge air flow 801 is formed again.
Figure 22 is application principle figure of the present invention in vehicle fuel oil evaporation emission control systems, which includes：Fuel tank
905, canister 902, Valve EGR 904, engine, air filter etc..Canister shut-off valve 901 be mounted on canister 902 and air filter 903 it
Between, when OBD is not monitored entire vapo(u)rization system, canister shut-off valve 901 is in power-off opening state, and guarantee flows through air filter
903 cleaned air enters canister 902 to be rinsed in time to canister.When OBD needs are monitored entire vapo(u)rization system
When, canister shut-off valve 901, which is powered, closes, and the connection between canister 902 and air filter 903 is made to disconnect, and Valve EGR 904 synchronizes
It closes.Entire vapo(u)rization system forms an autonomous closure system as a result, and OBD can monitor entire vapo(u)rization system with the presence or absence of letting out
Leak source.
It can be seen that after applying the present invention by above-mentioned character express and in conjunction with attached drawing, gather around and have the following advantages：
1, vapo(u)rization system can be enabled to form an autonomous closure system, monitor whether entire vapo(u)rization system deposits by OBD
In leakage point, environmental protection standard and safe to use is promoted.
2, use can be matched with currently widely used canister connector, to adapt to the different classes of canister of different clients
Connection requirement no longer needs to the air-tightness for ensureing the stability and actual use of installation by the secondary connection of the other modes such as pipeline.
3, shutdown, conducting switching are sensitive during working, and the canister during meeting the daily form of vehicle uses control needs.
4, overall structure is simple, is easily assembled and working service.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of rotation assembled canister shut-off valve includes valve body (1), electrical connector is installed on the valve body (1)
(101), it is characterised in that：The lower end of the valve body (1) is equipped with end cap (3), and the upper and lower ends of the end cap (3) are both provided with
The seal assembly of seal assembly, end cap (3) upper end is the first sealing ring (4), and the seal assembly of end cap (3) lower end is
Second sealing ring (5), the end cap (3) is interior to be provided with resetting spring (8), is provided with below the electrical connector (101) anti-
Turn card end (102), to be coated with electromagnetic coil assembly (6) in the valve body (1), valve is connected on the electromagnetic coil assembly (6)
Head assembly (7), the valve head assembly (7) are in contact with resetting spring (8), the electromagnetic coil assembly (6) and valve head assembly
(7), resetting spring (8), end cap (3) have valve body (1) to be arranged outside and are connected with canister connector (2) in coaxial assembly.
2. a kind of rotation assembled canister shut-off valve according to claim 1, it is characterised in that：The electromagnetic coil assembly
(6) roll (601), copper coil (602), left conductive pin (603) and right conductive pin (604), yoke lower cover are used
(605), yoke sleeve (606), yoke upper cover plate (607) are constituted,
The yoke lower cover (605) is plastic on roll (601), and the copper coil (602) is wrapped in roll (601)
On, the both ends of the copper coil (602) are formed by welding electromagnetic coil with left conductive pin (603), right conductive pin (604) respectively
Ontology,
The electromagnetic coil ontology is inserted in yoke sleeve (606), and yoke sleeve (606) is made to be riveted with yoke lower cover (605)
Connection,
The yoke upper cover plate (607) is inserted at the top of roll (601) and is riveted with yoke sleeve (606),
Core assembly is installed in the roll (601).
3. a kind of rotation assembled canister shut-off valve according to claim 2, it is characterised in that：The core assembly includes
There are dynamic iron core (608), static iron core (610) to constitute, bump rubber (609) is embedded at the top of the dynamic iron core (608), and be packed into
In roll (601), in static iron core (610) the elastic conjunction indentation roll (601), enable dynamic iron core (608) lock in coiling
In axis (601).
4. a kind of rotation assembled canister shut-off valve according to claim 3, it is characterised in that：The roll (601)
Bottom periphery be provided with roll external annulus (611).
5. a kind of rotation assembled canister shut-off valve according to claim 1, it is characterised in that：The valve head assembly includes
Valve rod (701), interference fit is arranged with rubber gasket (702), one end point of the valve rod (701) on the valve rod (701)
It is furnished with support chip, the support chip is contacted with rubber gasket (702).
6. a kind of rotation assembled canister shut-off valve according to claim 1, it is characterised in that：The end cap (3) includes
There are the first seal groove (301), the second seal groove (302), rotation card slot (303), spring fastening (304), gas outlet
(305), air inlet (306), seal (307), welding annular groove (308) are constituted,
In the upper end of end cap (3), second seal groove (302) is arranged in end cap (3) for first sealing ring (4) setting
Lower end,
First sealing ring (4) is mounted in the first seal groove (301), and it is close that second sealing ring (5) is mounted on second
In seal slot (302)；
The lower end of the end cap (3) is additionally provided with rotation card slot (303), and spring branch is provided in the lower end of the end cap (3)
Seat (304) offers gas outlet (305) on the end cap (3), and the bottom of the end cap (3) is provided with air inlet (306), institute
It states in end cap (3) and is provided with seal (307), welding annular groove (308) is provided at the top of the end cap (3).
7. a kind of rotation assembled canister shut-off valve according to claim 1, it is characterised in that：The canister connector
(2) include ontology, inner cavity (201) is provided in the ontology, the bottom of the inner cavity (201) is provided with internal screens step
(202), the side of the bodies top is provided with external screens double step (203), rotary stopper step (204).
8. a kind of rotation assembled canister shut-off valve according to claim 7, it is characterised in that：The spring fastening
(304) it is that herringbone carries bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894984.0A CN108799510B (en) | 2018-08-08 | 2018-08-08 | Rotary assembly type carbon tank stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894984.0A CN108799510B (en) | 2018-08-08 | 2018-08-08 | Rotary assembly type carbon tank stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108799510A true CN108799510A (en) | 2018-11-13 |
| CN108799510B CN108799510B (en) | 2024-08-27 |
Family
ID=64079502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894984.0A Active CN108799510B (en) | 2018-08-08 | 2018-08-08 | Rotary assembly type carbon tank stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799510B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111075952A (en) * | 2019-12-26 | 2020-04-28 | 奇瑞汽车股份有限公司 | Carbon tank solenoid valve |
| CN112555063A (en) * | 2019-09-25 | 2021-03-26 | 重庆长安汽车股份有限公司 | Carbon tank system mounting structure |
| CN113790300A (en) * | 2021-10-18 | 2021-12-14 | 微赛技术(北京)有限公司 | Pneumatic electromagnetic valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112555063A (en) * | 2019-09-25 | 2021-03-26 | 重庆长安汽车股份有限公司 | Carbon tank system mounting structure |
| CN112555063B (en) * | 2019-09-25 | 2022-03-11 | 重庆长安汽车股份有限公司 | Carbon tank system mounting structure |
| CN111075952A (en) * | 2019-12-26 | 2020-04-28 | 奇瑞汽车股份有限公司 | Carbon tank solenoid valve |
| CN111075952B (en) * | 2019-12-26 | 2021-11-02 | 奇瑞汽车股份有限公司 | Carbon tank solenoid valve |
| CN113790300A (en) * | 2021-10-18 | 2021-12-14 | 微赛技术(北京)有限公司 | Pneumatic electromagnetic valve |
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| CN108799510B (en) | 2024-08-27 |
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