CN208535287U - A kind of six oil tank liquid level of state control and pile-up valve of ventilating - Google Patents
A kind of six oil tank liquid level of state control and pile-up valve of ventilating Download PDFInfo
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- CN208535287U CN208535287U CN201820519767.9U CN201820519767U CN208535287U CN 208535287 U CN208535287 U CN 208535287U CN 201820519767 U CN201820519767 U CN 201820519767U CN 208535287 U CN208535287 U CN 208535287U
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- breather valve
- breather
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Abstract
A kind of six oil tank liquid level of state control and pile-up valve of ventilating, including the breather valve and liquid level breather valve to be linked into an integrated entity by fixed bracket and breather valve, liquid level breather valve is vertically mounted on the FLVV airflow channel lower part of fixed bracket by connecting bracket, breather valve is vertically connected on fixed bracket side and is located at the higher position of liquid level breather valve, venthole I at the top of it is connected to by GVV airflow channel with support bracket fastened air-flow overall channel, and gasket I is equipped at the top of float valve core I；Venthole II at the top of liquid level breather valve is connected to by FLVV airflow channel with air-flow overall channel, and gasket II is equipped at the top of float valve core II, and II waist of valve body is equipped with the level window communicated with fuel tank.The pile-up valve meets the requirement of GB18352.6-2016 simultaneous with breather valve and liquid level breather valve, can be adapted to the fuel tank of various models；The gasket technique for fixing of breather valve and liquid level breather valve is simple, and gasket is adsorbed at venthole when can avoid gasoline levels decline.
Description
Technical field
The present invention relates to a kind of automobile component, especially a kind of six oil tank liquid level of state for having liquid level breather valve and breather valve concurrently
Control and ventilation pile-up valve.
Background technique
Automotive oil tank generally all has breather valve (code name GVV), and the effect of breather valve GVV is: vehicle is in normally travel mistake
Cheng Zhong guarantees the normal ventilation of fuel tank；And there are the requirement of oiling Steam Recovery, oiling steam in six stage of state (Chinese 6th stage)
It must be discharged into canister, only having breather valve in five stage of state (Chinese 5th stage) fuel tank at present, (such fuel tank is also known as five oil of state
Case), the existing fill level control mode of five fuel tank of state is unable to satisfy this requirement, not can guarantee the spilling of cut-off liquid gasoline
(fuel tank for being able to satisfy six demands of state is also known as six fuel tank of state).
Summary of the invention
The purpose of the present invention is to provide a kind of six oil tank liquid level of state control for having liquid level breather valve and breather valve concurrently and lead to
Gas pile-up valve, to overcome above-mentioned deficiency present in prior art.
The technical solution adopted by the present invention is that: a kind of six oil tank liquid level of state control and pile-up valve of ventilating, including breather valve, institute
Stating breather valve includes valve body I, float valve core I and valve seat I, and the float valve core I is mounted on the cavity I being made of valve body I and valve seat I
Interior, valve seat I is equipped with the spring I of support float valve core I, and venthole I is equipped at the top of valve body I, is equipped with gasket I at the top of float valve core I；
A kind of six oil tank liquid level of state control and pile-up valve of ventilating further include liquid level breather valve, connecting bracket and fixed branch
Frame, the liquid level breather valve are linked into an integrated entity by connecting bracket and fixed bracket with breather valve, and the fixed branch is provided with gas
Stream overall channel and the GVV airflow channel and FLVV airflow channel communicated therewith respectively, the liquid level breather valve pass through connection branch
Frame is vertically mounted on the lower part of fixed bracket FLVV airflow channel, and it is logical positioned at liquid level that breather valve is vertically connected on fixed bracket side
The venthole I at the higher position of air valve, breather valve is connected to by GVV airflow channel with support bracket fastened air-flow overall channel；
The liquid level breather valve includes valve body II, float valve core II and valve seat II, and the float valve core II is mounted on by valve body II
In the cavity II constituted with valve seat II, valve seat II is equipped with the spring II of support float valve core II, is equipped at the top of valve body II and FLVV
The venthole II that airflow channel communicates, venthole II are connected to by FLVV airflow channel with support bracket fastened air-flow overall channel, are floated
Gasket II is equipped at the top of spool II, II waist of valve body is equipped with the level window communicated with fuel tank.
Its further technical solution is:
By connecting at the top of left buckle and right jamming button and float valve core II, described I one end of gasket passes through the gasket II
Fixed at the top of ultrasonic bonding and float valve core I, the other end at the top of upper buckle and float valve core by connecting.
Due to taking above-mentioned technical proposal, a kind of six oil tank liquid level of state control of the present invention and ventilation pile-up valve have following
The utility model has the advantages that
1. six oil tank liquid level of a kind of state control and ventilation pile-up valve integral installation are in the upper surface of fuel tank, the pile-up valve
Simultaneous with breather valve (code name GVV) and liquid level breather valve (code name FLVV), meet the pollution of GB18352.6-2016 light-duty vehicle
The requirement of object emission limit and measurement method (Chinese 6th stage):
Due to being equipped with liquid level breather valve (FLVV), thus:
(1) when guaranteeing that automobile fuel filler liquid level reaches height (the designing according to the nominal volume of fuel tank) of tank design, in time
The blow vent of fuel tank is closed, guarantees that refueling nozzle jumps rifle in time, the excessive bring automobile leakage Water Oil Or Gas of fuel tank oiling is avoided to overflow
Canister function is damaged to jet chimney；(nominal volume of fuel tank can be adjusted in the height of the adjustment side FLVV windowing)；
(2) guarantee automobile oil mass when being lower than nominal volume, fuel tank is able to achieve normal ventilation: if environment temperature rises, oil
When being in positive pressure inside case, released stress by liquid level breather valve blow vent；When environment temperature declines, fuel tank internal is in negative pressure
When, atmospheric pressure carries out carrying out pressure supplement to fuel tank by liquid level breather valve blow vent.Tank internal pressure is normally to guarantee combustion
Oil uses safe and normal vehicle operation；
(3) guarantee automobile under following operating condition: 1) wide-angle tilt (compared with steep ramp), 2) overturning, 3) biggish acceleration,
Fuel oil can submerge valve body, and at this moment liquid level breather valve blow vent can close in time, avoid fuel oil from revealing from blow vent, cause safe thing
Therefore；
2. liquid level breather valve FLVV and breather valve GVV become one, the two is connected by the same fixed bracket, can
It to reduce the aperture of fuel tank wall surface, can both simplify technique, reduce discharge, advantageously reduce the possibility of leakage, can also reduce interior
Portion's pipeline reduces the complexity of fuel system, reduces cost；By designing different fixation bracket and FLVV connecting bracket,
The fuel tank of various models can be adapted to.
3. the gasket II of liquid level breather valve carries out assembly fixation using left and right buckle, in gasoline levels decline, sealing
Pad can be torn from both sides, can be adsorbed at venthole to avoid gasket, be not easy to open；It (avoids the case where being similar to sucker: inhaling
Disk is inhaled on the wall, it is difficult to entirely directly be taken off, but be torn from one side and be but easy to remove)
4. the gasket I of breather valve GVV is fixed using one end, fixed form is ultrasonic bonding, due to the structure phase of GVV
To smaller, if operating difficulties and low efficiency, in contrast using ultrasonic bonding, simple process can be primary using assembly
More than one piece is welded, is suitable for producing in enormous quantities)
5. liquid level ventilation II waist of valve body is equipped with the level window communicated with fuel tank, when gasoline enters valve body from level window i.e.
It can be achieved to close immediately, adjust the nominal volume that the height-adjustable fuel tank of level window refuels.
With reference to the accompanying drawings and examples to the technology of a kind of six oil tank liquid level of state control of the present invention and ventilation pile-up valve
Feature is further described.
Detailed description of the invention
Fig. 1 is that a kind of six oil tank liquid level of state controls and ventilates pile-up valve structural schematic diagram (section view):
Fig. 2~Fig. 4 is the float valve core II and II attachment structure schematic diagram of gasket of liquid level breather valve:
Fig. 3 is main view, and Fig. 2 is the C-C view of Fig. 3, and Fig. 4 is the top view of Fig. 3；
Fig. 5 is that left and right buckle docks schematic diagram；
Fig. 6 is the float valve core I and I attachment structure schematic diagram of gasket of breather valve；
Fig. 7 is liquid level breather valve, breather valve and fixes bracket assembled schematic diagram (fractionation)；
Fig. 8 is fixing rack structure schematic diagram (section view)；
Fig. 9 is connection mounting structure schematic diagram (section view)；
Figure 10 is fixed bracket and connecting bracket assembly structure diagram (section view)；
In figure:
A-breather valve, B-liquid level breather valve, 1-fixed bracket, 101-GVV airflow channels, 102-FLVV air-flows are logical
Road, 103-air-flow overall channels, 2-connecting brackets, 3-valve bodies II, 4-gaskets II, 5-float valve cores II, 51-left buckles,
52-right jamming buttons, 6-springs II, 7-valve seats II, 8-steel balls, 9-gaskets I, 10-valve bodies I, 11-float valve cores I, 111-
Upper buckle, 12-springs I, 13-valve seats I, 14-ventholes I, 15-ventholes II, 16-cavitys I, 17-cavitys II, 18-
Level window.
Specific embodiment
A kind of six oil tank liquid level of state control and pile-up valve of ventilating, including breather valve A, the breather valve include valve body I 10, float
Spool I 11 and valve seat I 13, the float valve core I are mounted in the cavity I 16 being made of valve body I and valve seat I, and valve seat I is equipped with and holds
The spring I 12 of supporting spool I is equipped with venthole I 14 at the top of valve body I, is equipped with gasket I 9 at the top of float valve core I；
A kind of six oil tank liquid level of state control and pile-up valve of ventilating further include liquid level breather valve B, connecting bracket 2 and fixed branch
Frame 1, the liquid level breather valve B are linked into an integrated entity by connecting bracket 2 and fixed bracket 1 with breather valve, and the fixed bracket 1 is set
The GVV airflow channel 101 and FLVV airflow channel 102 for having air-flow overall channel 103 and communicating therewith respectively, the liquid level ventilation
Valve B is located at the side of fixed bracket 1 and is vertically mounted under the FLVV airflow channel 102 of fixed bracket 1 by connecting bracket 2
Portion, the other side that breather valve is vertically connected on fixed bracket 1 are located at the higher position liquid level breather valve B, the venthole I of breather valve
14 are connected to by the GVV airflow channel 101 of fixed bracket 1 with the air-flow overall channel 103 of fixed bracket 1；
The liquid level breather valve B includes valve body II 3, float valve core II 5 and valve seat II 7, and the float valve core II is mounted on by valve
In the cavity II 17 that body II and valve seat II are constituted, valve seat II is equipped with the spring II 6 of support float valve core II, is equipped at the top of valve body II
The venthole II 15 communicated with FLVV airflow channel 102, venthole II 15 pass through FLVV airflow channel 102 and support bracket fastened gas
It flows overall channel 103 to be connected to, gasket II 4 is equipped at the top of float valve core II, II 3 waist of valve body is equipped with the liquid level communicated with fuel tank
Window 18.
The gasket II 4 at the top of left buckle 51 and right jamming button 52 and float valve core II by connecting, the gasket I 91
By fixed at the top of ultrasonic bonding and float valve core I, the other end passes through upper buckle 111 and connects at the top of float valve core I at end.
Working principle
A kind of six oil tank liquid level of the state control and ventilation pile-up valve integral installation are in the upper surface of fuel tank when use；Due to
Valve body portion of ventilating is higher than liquid level breather valve, under normal circumstances, the float valve core II 5 of liquid level breather valve and the float valve of breather valve
Core I 11 due to gravity principle, compress lower section spring II 6 and spring I 12 and be in the bottom of valve body, at this moment liquid level breather valve and
The venthole II and venthole I of breather valve guarantee fuel tank and extraneous normal ventilation all in opening state.
(1) under fueling state, when gasoline does not reach level window 18, without gasoline, float valve in the cavity II of liquid level breather valve
The gravity of core II overcomes the elastic force of spring II to sink, and venthole II is open, and the air in fuel tank passes through cavity II and FLVV air-flow
Channel 102 is connected to support bracket fastened air-flow overall channel 103；
Enter in cavity II when gasoline reaches level window, float valve core II is under the collective effect of II elastic force of buoyancy and spring
(gravity for overcoming float valve core II) makes its floating upward quickly, is fixed on the gasket II 4 on II top of float valve core for II envelope of venthole
It closes, at this moment, the main exhaust channel of fuel tank has been switched off, and gasoline is accumulated in oil filling pipe causes refueling nozzle to jump rifle, refuels and terminates；
Because the position of breather valve in the vertical direction is higher than liquid level breather valve, when liquid level breather valve is closed, lead to
Air valve can be in the open state, it is ensured that fuel tank and extraneous normal ventilation.
When automobile persistently travels, and fuel tank gasoline levels decline, gasoline buoyancy disappears, and float valve core II is in gravity
Under drop back into bottom, liquid level breather valve venthole II reopens.
(2) ramp or overturn when
When automobile is in biggish tilt angle or overturns, FLVV and GVV must effectively prevent leaking for gasoline；It is floating
Spool II is after touching gasoline, by the composite computing to buoyancy, spring force and gravity under special angle, can rapidly to
Venthole II is closed in upper movement.
Claims (2)
1. a kind of control of six oil tank liquid level of state and ventilation pile-up valve, including breather valve (A), the breather valve include valve body I (10),
Float valve core I (11) and valve seat I (13), the float valve core I are mounted in the cavity I (16) being made of valve body I and valve seat I, valve seat I
It is equipped with the spring I (12) of support float valve core I, venthole I (14) is equipped at the top of valve body I, is equipped with gasket I at the top of float valve core I
(9)；
It is characterized by also including liquid level breather valve (B), connecting bracket (2) and bracket (1) is fixed, the liquid level breather valve is logical
It crosses connecting bracket (2) and fixed bracket (1) links into an integrated entity with breather valve, the fixed branch is provided with air-flow overall channel (103)
And the GVV airflow channel (101) and FLVV airflow channel (102) communicated therewith respectively, the liquid level breather valve pass through connection
Bracket (2) is vertically mounted on the lower part of fixed bracket FLVV airflow channel (102), and breather valve is vertically connected on fixed bracket (1)
Side is located at the higher position of liquid level breather valve, and the venthole I (14) of breather valve passes through GVV airflow channel (101) and fixed branch
The air-flow overall channel (103) of frame is connected to；
The liquid level breather valve includes valve body II (3), float valve core II (5) and valve seat II (7), and the float valve core II is mounted on by valve
In the cavity II (17) that body II and valve seat II are constituted, valve seat II is equipped with the spring II (6) of support float valve core II, II top of valve body
Equipped with the venthole II (15) communicated with FLVV airflow channel (102), venthole II passes through FLVV airflow channel (102) and fixed
The air-flow overall channel (103) of bracket is connected to, and is equipped with gasket II (4) at the top of float valve core II, valve body II (3) waist be equipped with
The level window (18) that fuel tank communicates.
2. a kind of six oil tank liquid level of state control as described in claim 1 and ventilation pile-up valve, it is characterised in that: the gasket
By connecting at the top of left buckle (51) and right jamming button (52) and float valve core II, described gasket I (9) one end passes through ultrasound for II (4)
Wave soldering connects to be fixed at the top of float valve core I, and the other end at the top of upper buckle (111) and float valve core I by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519767.9U CN208535287U (en) | 2018-04-12 | 2018-04-12 | A kind of six oil tank liquid level of state control and pile-up valve of ventilating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519767.9U CN208535287U (en) | 2018-04-12 | 2018-04-12 | A kind of six oil tank liquid level of state control and pile-up valve of ventilating |
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| Publication Number | Publication Date |
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| CN208535287U true CN208535287U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820519767.9U Active CN208535287U (en) | 2018-04-12 | 2018-04-12 | A kind of six oil tank liquid level of state control and pile-up valve of ventilating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443563A (en) * | 2018-04-12 | 2018-08-24 | 柳州舜泽尔汽车零部件有限公司 | A kind of six oil tank liquid level of state control and pile-up valve of ventilating |
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2018
- 2018-04-12 CN CN201820519767.9U patent/CN208535287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443563A (en) * | 2018-04-12 | 2018-08-24 | 柳州舜泽尔汽车零部件有限公司 | A kind of six oil tank liquid level of state control and pile-up valve of ventilating |
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