CN206071755U - A kind of canister of provided with electromagnetic valve - Google Patents
A kind of canister of provided with electromagnetic valve Download PDFInfo
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- CN206071755U CN206071755U CN201620975107.2U CN201620975107U CN206071755U CN 206071755 U CN206071755 U CN 206071755U CN 201620975107 U CN201620975107 U CN 201620975107U CN 206071755 U CN206071755 U CN 206071755U
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- electromagnetic valve
- mounting shell
- tank body
- canister
- atmosphere chamber
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Abstract
The utility model discloses a kind of canister of provided with electromagnetic valve, including be internally provided with the tank body of receiving space, the carbon dust layer in tank body, the filter layer above carbon dust layer, above the filter layer and spaced setting liquid collecting cavity and desorption chamber and atmosphere chamber, be communicated in the adsorption tube of the liquid collecting cavity, be communicated in the desorption pipe in the desorption chamber, be communicated in the logical air pipe of the atmosphere chamber；The tank body includes the electromagnetic valve mounting shell above atmosphere chamber, and electromagnetic valve is arranged in the electromagnetic valve mounting shell, and the electromagnetic valve is located in the gas circuit between the atmosphere chamber and the logical air pipe.Using above-mentioned technical proposal, the canister of provided with electromagnetic valve of the present utility model, the electromagnetic valve of detection are integrated with canister, save installing space, facilitate maintainer cleaning, change electromagnetic valve.
Description
Technical field
This utility model is related to a kind of canister of provided with electromagnetic valve, belongs to vehicle fuel system equipment technical field.
Background technology
With the progress of science and technology, to environmental requirement also more and more higher, the emission control of current China's EVAP will be 2018
The state five that on January 1, in implements discharges《Light-duty vehicle pollutant emission limit and measuring method（Chinese 5th stage）》With 2008
On March 1, in implements《Environmental protection product technical requirements vapour does not have car fuel evaporation pollutant control system（Device）》, so far for
Only most domestic vehicle has reached the requirement of the discharge of state five.Current canister working condition：1st, oil vapour discharge process：Fuel tank
Evaporation gas after canister adsorbs oil vapour is discharged into clean gas in air；2nd, canister purification process：Using setting out
The negative pressure driving source of motivation gas handling system, atmospheric air port air inlet of the air by canister are fired into electromotor through carbon dust, desorption pipe
Burn.It is expected to require to implement in the coming years according to Environmental Protection Department, State Administration for Quality Supervision and Inspection and Quarantine《Light-duty vehicle is dirty
Dye thing emission limit and measuring method（Chinese 6th stage）》, and in six demands, fuel system increases to Fuel System
System is monitored the requirement of reliability, i.e. OBD detections.To meet the requirement of OBD detections, vehicle is made using needs during detection of negative pressure
The electromagnetic valve of pressure transducer and detection is used, and pressure transducer and electromagnetic valve are set with canister split in existing design
Put, adverse effect is brought to installing and keeping in repair, while also easily breaking down.
Utility model content
Therefore, the purpose of this utility model is to overcome defect of the prior art, there is provided a kind of canister of provided with electromagnetic valve,
By electromagnetic valve and canister Integral design, increase structural stability, also allow for I＆M.
To achieve these goals, the canister of a kind of provided with electromagnetic valve of the present utility model, accommodates sky including being internally provided with
Between tank body, the carbon dust layer in tank body, the filter layer above carbon dust layer, above the filter layer and mutually
Spaced liquid collecting cavity and desorption chamber and atmosphere chamber, be communicated in the adsorption tube of the liquid collecting cavity, be communicated in the desorption chamber
Desorption pipe, be communicated in the logical air pipe of the atmosphere chamber；The tank body includes the electromagnetic valve mounting shell above atmosphere chamber,
Electromagnetic valve is arranged in the electromagnetic valve mounting shell, and the electromagnetic valve is located at the gas between the atmosphere chamber and the logical air pipe
Lu Shang.
Connected entrance is provided between space and the atmosphere chamber in the electromagnetic valve mounting shell, in the electromagnetic valve mounting shell
The lower connecting tube for being connected to the connected entrance is provided with inside, the upper end of the electromagnetic valve mounting shell is provided with electromagnetic valve insert port,
The upper connecting tube for being connected to the electromagnetic valve insert port, the upper connecting tube and institute are provided with the electromagnetic valve mounting shell
State lower connecting tube to be coaxially disposed and there is therebetween spacing；The valve body of the electromagnetic valve is inserted from the electromagnetic valve insert port
The upper connecting tube, and the lower connecting tube is inserted in its bottom, and sealing ring and lower seal are provided with the valve body
Arrange with the upper connecting tube and the lower connection seal of tube respectively, so that the electromagnetic valve is installed when the closed electromagnetic valve
In shell, space is separated with the atmosphere chamber, space and the atmosphere chamber in the electromagnetic valve mounting shell when the electromagnetic valve is opened
Connection.
The electromagnetic valve mounting shell is located on the roof on the length direction of the tank body, or positioned at the cross direction of the tank body
On side wall on.
The liquid collecting cavity is also by channel connection in the desorption pipe.
The passage include the inner tube for being communicated in the desorption pipe, the groove being opened on the side wall of the liquid collecting cavity,
The connecting path being communicated between the groove and said inner tube, the connecting path are opened on the side wall of the liquid collecting cavity.
Said inner tube is vertically arranged, and the projection in the horizontal plane of the interior zone of said inner tube and the desorption pipe
Interior zone projection in the horizontal plane at least partly overlaps.
Be additionally provided with pressure transducer on the tank body, the probe of the pressure transducer be arranged at the atmosphere chamber or
The desorption chamber.
The pressure transducer includes body and the probe, and the probe is connected on the body, the body
Positioned at the outside of the tank body, the probe is inserted in the tank body；Two are provided with a side of the body
Relative hook part, be provided with the tank body one perpendicular to the surface of the tank body plate；The plate is mountain font, is wrapped
Include the supporting part positioned at bottom, the insertion section positioned at the left and right sides on supporting part and the intermediate plate positioned at centre position on supporting part
Portion, is respectively arranged with the pyramid blocks for stretching out at the top of two insertion sections, two insertion sections are inserted respectively into
In two hook parts, and two pyramid blocks block the upper surface of the hook part respectively.
Reinforcement plate portion is provided with the middle plate portion, the reinforcement plate portion is perpendicular to the intermediate plate and the tank body
Surface.
Using above-mentioned technical proposal, the canister of provided with electromagnetic valve of the present utility model, the electromagnetic valve of detection are integrated with canister
Integrally, installing space is saved, facilitates maintainer cleaning, changes electromagnetic valve.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is another angled arrangement schematic diagram of the present utility model.
Fig. 3 is A in Fig. 1 to sectional view.
Fig. 4 is B portions partial enlarged drawing in Fig. 3.
Fig. 5 is C in Fig. 4 to sectional view.
Fig. 6 is D in Fig. 5 to sectional view.
Fig. 7 is electromagnetic valve mounting structure decomposing schematic representation.
Fig. 8 is E portions partial enlarged drawing in Fig. 7.
Structural scheme of mechanism of the Fig. 9 for this utility model embodiment two.
Figure 10 is the schematic diagram of pressure transducer and tank body decomposition in Fig. 9.
Specific embodiment
Below by way of the drawings and specific embodiments, the utility model is described in further detail.
The present embodiment provides the canister of provided with electromagnetic valve, as shown in Figure 1, 2, 3, including the tank body for being internally provided with receiving space
1st, in tank body 1 carbon dust layer 2, the filter layer 3 above carbon dust layer 2, above the filter layer 3 and each other
Every the liquid collecting cavity 4 and desorption chamber 5 and atmosphere chamber 6 for arranging, it is communicated in the adsorption tube 7 of the liquid collecting cavity 4, is communicated in the desorption
The desorption pipe 8 in chamber 5, the logical air pipe 9 for being communicated in the atmosphere chamber 6；The tank body 1 includes the electromagnetism above atmosphere chamber 6
Valve mounting shell 11, electromagnetic valve 10 are arranged in the electromagnetic valve mounting shell 11, and the electromagnetic valve 10 is located at the atmosphere chamber 6 and institute
State in the gas circuit between logical air pipe 9.
As shown in Figure 7,8, connected entrance is provided between 11 inner space of electromagnetic valve mounting shell and the atmosphere chamber 6
12, the lower connecting tube 13 for being connected to the connected entrance 12 is provided with the electromagnetic valve mounting shell 11, the electromagnetic valve is installed
The upper end of shell 11 is provided with electromagnetic valve insert port 14, is provided with and is connected to the electromagnetic valve and inserts in the electromagnetic valve mounting shell 11
Between the upper connecting tube 15 of entrance 14, the upper connecting tube 15 and the lower connecting tube 13 are coaxially disposed and have therebetween
Away from；The valve body 10a of the electromagnetic valve 10 inserts the upper connecting tube 15 from the electromagnetic valve insert port 14, and its bottom is inserted
The lower connecting tube 13, be provided with the valve body 10a sealing ring and lower seal respectively with the upper connecting tube 15 and
The lower sealing of connecting tube 13 is arranged, so that 11 inner space of electromagnetic valve mounting shell and institute when the electromagnetic valve 10 cuts out
State atmosphere chamber 6 to separate, when the electromagnetic valve 10 is opened, 11 inner space of electromagnetic valve mounting shell is connected with the atmosphere chamber 6
It is logical.
The electromagnetic valve mounting shell is located on the roof on the length direction of the tank body, or positioned at the cross direction of the tank body
On side wall on.
As shown in Figure 4,5, 6, the liquid collecting cavity 4 also passes through channel connection in the desorption pipe 8.
The passage includes being communicated in an inner tube 16 of the desorption pipe 8, is opened on the side wall 17 of the liquid collecting cavity 4
Groove 18, the connecting path 19 being communicated between the groove 18 and said inner tube 16, the connecting path 19 are opened in described
On the side wall 17 of liquid collecting cavity 4.
Said inner tube 16 is vertically arranged, and the projection in the horizontal plane of the interior zone of said inner tube 16 and the desorption
The projection in the horizontal plane of the interior zone of pipe 8 at least partly overlaps.
As embodiment two, as shown in Fig. 9,10, pressure transducer 20, the pressure are additionally provided with the tank body 1
The probe 201 of sensor 20 is arranged at the atmosphere chamber 6 or the desorption chamber 5.
The pressure transducer 20 includes body 202 and the probe 201, and the probe 201 is connected to the body
On 202, the body 202 is located at the outside of the tank body 1, and the probe 201 is inserted in the tank body 1；In the body
Two relative hook parts 203 are provided with 202 side, one is provided with the tank body 1 perpendicular to the tank body 1
The plate 204 on surface；The plate 204 be mountain font, including the supporting part 204a positioned at bottom, positioned at supporting part 204a on a left side
The insertion section 204b of right both sides and middle plate portion 204c positioned at centre position on supporting part 204a, two insertion section 204b
Top be respectively arranged with the pyramid blocks 204d for stretching out, two insertion section 204b are inserted respectively into two hooks
In portion 203, and two pyramid blocks 204d block the upper surface of the hook part 203 respectively.
Reinforcement plate portion 204e is provided with middle plate portion 204c, reinforcement plate portion 204e is perpendicular to the centre
The surface of plate and the tank body 1.
Work specification：In the case of work is normal, the electromagnetic valve of this detection is in normally open to automobile（Naturalness）,
Atmosphere entry is kept to be in unimpeded state.
1st, under engine operating state, when OBD sends detection instruction, closed electromagnetic valve, canister desorption valve is opened will
Fuel-steam is suctioned out, if system does not have leakage, system can produce an acceptable vacuum at short notice, and can lead to
Over-pressed force transducer measures judgement, and diagnostic result is exported to driving instrumental panel by ECU is shown；
2nd, under engine off condition, when OBD sends detection instruction, closed electromagnetic valve, now at canister desorption valve
Inside closed mode, canister and atmospheric isolation, evaporation air pressure cannot discharge, and Fuel System pressure stability slowly rises, this
Process can measure judgement by pressure transducer, and measurement result of determination is exported to driving instrumental panel by ECU.
Using above-mentioned technical proposal, the canister of provided with electromagnetic valve of the present utility model, the electromagnetic valve of detection are integrated with canister
Integrally, installing space is saved, facilitates maintainer cleaning, changes electromagnetic valve.
In order to improve fluid oil collected by liquid collecting intracavity can high efficiency carry out recovery use, this utility model will be de-
Attached pipe participates in liquid oil recovery because desorption pipe is the state of desorption of having the initiative, produced suction relative adsorption pipe and
Speech, improves a lot, so as to reach the purpose for improving fluid oil organic efficiency.Desorption pipe passes through channel connection liquid collecting cavity bottom
Portion, when being desorbed electromotor, desorption pipe can absorb a certain amount of fluid oil.Certainly, can also make desorption pipe and liquid collecting cavity complete
It is unimpeded, but this mode can cause gas concentration when being desorbed too high, be unfavorable for the stationarity of electromotor, therefore this utility model sets
It is set to the throwing in the horizontal plane of the interior zone of the projection in the horizontal plane of the interior zone of said inner tube 16 and the desorption pipe 8
Shadow at least partly overlaps, the oil and gas content sucked during controlling and be desorbed.
Used as embodiment two, pressure transducer is also integrated with canister, saves installing space, facilitates maintainer to grasp
Make, the reliability for being conducive to OBD system to detect；Pressure transducer is mountable to the desorption chamber of canister or atmosphere chamber, pressure sensing
The installation direction of device, particular location can be selected according to actual needs, not affect using effect.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.For
For those of ordinary skill in the art, the change or change of other multi-forms can also be made on the basis of the above description
It is dynamic.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or change
Among the dynamic protection domain created still in this utility model.
Claims (3)
1. a kind of canister of provided with electromagnetic valve, it is characterised in that：Including being internally provided with the tank body of receiving space, in tank body
Carbon dust layer, the filter layer above carbon dust layer, above the filter layer and the liquid collecting cavity of spaced setting and de-
Attached chamber and atmosphere chamber, the adsorption tube for being communicated in the liquid collecting cavity, the desorption pipe for being communicated in the desorption chamber, be communicated in it is described big
The logical air pipe of air cavity；The tank body includes the electromagnetic valve mounting shell above atmosphere chamber, and electromagnetic valve is arranged at the electromagnetism
In valve mounting shell, the electromagnetic valve is located in the gas circuit between the atmosphere chamber and the logical air pipe.
2. the canister of provided with electromagnetic valve as claimed in claim 1, it is characterised in that：In the electromagnetic valve mounting shell space with it is described
Connected entrance is provided between atmosphere chamber, the lower connecting tube for being connected to the connected entrance is provided with the electromagnetic valve mounting shell,
The upper end of the electromagnetic valve mounting shell is provided with electromagnetic valve insert port, is provided with described in being connected in the electromagnetic valve mounting shell
Between the upper connecting tube of electromagnetic valve insert port, the upper connecting tube and the lower connecting tube are coaxially disposed and have therebetween
Away from；The valve body of the electromagnetic valve inserts the upper connecting tube from the electromagnetic valve insert port, and the lower company is inserted in its bottom
Adapter, is provided with sealing ring and lower seal is set with the upper connecting tube and the lower connection seal of tube respectively on the valve body
Put, so that in the electromagnetic valve mounting shell, space is separated with the atmosphere chamber when the closed electromagnetic valve, when the electricity
When magnet valve is opened, in the electromagnetic valve mounting shell, space is connected with the atmosphere chamber.
3. the canister of provided with electromagnetic valve as claimed in claim 1, it is characterised in that：The electromagnetic valve mounting shell is located at the tank body
Length direction on roof on, or on the side wall on the cross direction of the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975107.2U CN206071755U (en) | 2016-08-30 | 2016-08-30 | A kind of canister of provided with electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620975107.2U CN206071755U (en) | 2016-08-30 | 2016-08-30 | A kind of canister of provided with electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071755U true CN206071755U (en) | 2017-04-05 |
Family
ID=58433487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620975107.2U Active CN206071755U (en) | 2016-08-30 | 2016-08-30 | A kind of canister of provided with electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830965A (en) * | 2017-12-06 | 2018-03-23 | 武汉飞恩微电子有限公司 | A kind of automobile canister desorption system pressure sensor |
-
2016
- 2016-08-30 CN CN201620975107.2U patent/CN206071755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830965A (en) * | 2017-12-06 | 2018-03-23 | 武汉飞恩微电子有限公司 | A kind of automobile canister desorption system pressure sensor |
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