CN208831120U - A kind of fuel tank inlet port control device and fuel tank - Google Patents
A kind of fuel tank inlet port control device and fuel tank Download PDFInfo
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- CN208831120U CN208831120U CN201821171508.8U CN201821171508U CN208831120U CN 208831120 U CN208831120 U CN 208831120U CN 201821171508 U CN201821171508 U CN 201821171508U CN 208831120 U CN208831120 U CN 208831120U
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- flange
- fuel tank
- oil pipe
- transition
- transition oil
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Abstract
The utility model discloses a kind of fuel tank inlet port control device and fuel tank, including transition oil pipe one, check valve and transition oil pipe two, the both ends of transition oil pipe one are separately connected first flange and second flange, first flange and second flange are respectively equipped with first flange oilhole and second flange oilhole, two end of transition oil pipe is equipped with third flange, the both ends of transition oil pipe one pass through first flange respectively and connect fuel tank and third flange with second flange, when connection, the connection of the fuel tank oilhole of first flange oilhole and fuel tank, two open check valve of transition oil pipe, oil liquid in fuel tank can flow to transition oil pipe two, when transition oil pipe two and when crossing oil pipe one and being not connected to, closed check valve, oil liquid in fuel tank cannot flow to transition oil pipe two.The utility model solves fuel tank maintenance the technical issues of internal oil need to be discharged in the prior art, the leakage of oil liquid when fuel tank being avoided to overhaul, and when maintenance, fuel tank does not need to drain the oil and refuel repeatedly, prevents oil liquid when disassembly fuel sucking pipe from revealing, reduces waste.
Description
Technical field
The utility model relates to fuel tank technical fields, and in particular to a kind of fuel tank inlet port control device and fuel tank.
Background technique
In order to reduce oil suction resistance and guarantee that fuel tank inner fluid makes full use of, general fuel tank uses low level oil suction mode,
That is inlet port is below the side of fuel tank or bottom.This mode causes when, the system requires repair, must before fuel sucking pipe disassembly
The oil liquid of fuel tank is put it clean must in advance, otherwise fuel tank oil liquid can cause to waste and pollute environment from inlet port outflow rapidly, together
Shi Zengjia maintenance cost.Therefore designing one kind when fuel tank oil suction pipe removes, can be avoided the oil liquid of fuel tank internal from suction
The inlet port control device of hydraulic fluid port outflow or leakage, has important practical significance for the maintenance of fuel tank.
Utility model content
To solve deficiency in the prior art, the utility model provides a kind of fuel tank inlet port control device and fuel tank, solution
Determined fuel tank maintenance in the prior art when oil liquid outflow or the technical issues of need to drain the oil.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of fuel tank inlet port control device, including transition oil pipe one, check valve and transition oil pipe two, the transition oil pipe
One both ends are separately connected first flange and second flange, and the first flange and second flange are respectively equipped with first flange oilhole
And second flange oilhole, two end of transition oil pipe are equipped with third flange, the both ends of the transition oil pipe one pass through the respectively
One flange connect fuel tank and third flange with second flange, when connection, the fuel tank oilhole connection of first flange oilhole and fuel tank, and mistake
Cross two open check valve of oil pipe, the oil liquid in fuel tank can flow to transition oil pipe two, when transition oil pipe two and transition oil pipe one not
When connection, closed check valve, the oil liquid in fuel tank cannot flow to transition oil pipe two.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned, check valve includes the first valve rod and bullet
Spring, first flange are equipped with limit sleeve, and the first valve rod connects limit sleeve, when transition oil pipe two is not connected to transition oil pipe one, bullet
For spring for driving closed check valve, transition oil pipe two is equipped with unidirectional valve drive, when transition oil pipe two connects transition oil pipe one
When, unidirectional valve drive is for driving check valve to open.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned, unidirectional valve drive includes second
Valve rod and baffle, the second valve rod are set to the first valve rod opposite side of check valve, and transition oil pipe two is equipped with baffle, and baffle is equipped with baffle
Hole, when transition oil pipe two connects transition oil pipe for the moment, baffle connects the second valve rod, and driving check valve is opened.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned, spring is socketed on the outside of limit sleeve,
Spring one end connects check valve, and the other end connects first flange.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned, between second flange and third flange
It is additionally provided with gasket.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned, limit sleeve is set to first flange
Centre, first flange oilhole are circumferentially distributed centered on limit sleeve.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned, baffle holes are using baffle center as the center of circle
It is circumferentially distributed.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned is also set between baffle and third flange
There is the sensor for detecting oil liquid, sensor connects engine control system.
As a kind of prioritization scheme, a kind of fuel tank inlet port control device above-mentioned passes through between first flange and fuel tank
It is bolted, is bolted between second flange and third flange.
A kind of fuel tank is equipped with a kind of fuel tank inlet port control device above-mentioned.
The utility model is achieved the utility model has the advantages that when needing to overhaul fuel tank, removes transition oil pipe two, at this time
Baffle is separated with the second valve rod, and check valve cooperates under the driving of oil pressure with second flange oilhole in spring and fuel tank, by the
Two flange oilholes are blocked, and oil liquid can not be flowed out from second flange oilhole, avoid the leakage of oil liquid.
The present embodiment solves the technical issues of internal oil need to be discharged for fuel tank maintenance in the prior art, also avoids oil
The leakage of oil liquid when case overhauls, the present embodiment convenient disassembly, when maintenance, fuel tank does not need to drain the oil and refuel repeatedly, prevents from dismantling
Oil liquid is revealed when fuel sucking pipe, reduces waste, protects environment.The presence of sensor can be played the role of protecting machine.
Detailed description of the invention
Fig. 1 is the utility model check valve opening structure figure；
Fig. 2 is the utility model closed check valve structure chart；
Fig. 3 is the principles of the present invention figure；
The meaning of appended drawing reference: 1- fuel tank；11- fuel tank oilhole；2- first flange；21- first flange oilhole；22- limit
Set；43- spring；3- transition oil pipe one；4- check valve；The first valve rod of 41-；The second valve rod of 42-；5- second flange；51- second
Flange oilhole；6- third flange；61- third flange oilhole；7- transition oil pipe two；71- baffle；711- baffle holes；8- sensing
Device；9- gasket.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
It is as shown in Figure 1 to Figure 3: present embodiment discloses a kind of fuel tank inlet port control device, including transition oil pipe 1,
Check valve 4 and transition oil pipe 27, the both ends of transition oil pipe 1 are separately connected first flange 2 and second flange 5, first flange 2
It is respectively equipped with first flange oilhole 21 and second flange oilhole 51 with second flange 5,27 end of transition oil pipe is equipped with third flange
6, the both ends of transition oil pipe 1 pass through first flange 2 respectively and connect fuel tank 1 and third flange 6 with second flange 5, when connection,
One flange oilhole 21 is connect with the fuel tank oilhole 11 of fuel tank 1,27 open check valve 4 of transition oil pipe, and the oil liquid in fuel tank 1 can be with
Transition oil pipe 27 is flowed to, when transition oil pipe 27 and when crossing oil pipe 1 and being not connected to, check valve 4 is closed, and the oil liquid in fuel tank 1 can
To flow to transition oil pipe 27.
Specifically, the check valve 4 of the present embodiment includes the first valve rod 41 and spring 43, first flange 2 is equipped with limit sleeve 22,
First valve rod 41 connects limit sleeve 22 (inside of insertion limit sleeve 22), when transition oil pipe 27 and transition oil pipe 1 are not connected to
When, for spring 43 for driving check valve 4 to close, transition oil pipe 27 is equipped with unidirectional valve drive, when transition oil pipe 27 connects
When transition oil pipe 1, unidirectional valve drive is for driving check valve 4 to open.
Specifically, unidirectional valve drive includes the second valve rod 42 and baffle 71, the second valve rod 42 is set to check valve 4
First valve rod, 41 opposite side (the circular cone surface side of check valve 4), transition oil pipe 27 are equipped with baffle 71, and baffle 71 is equipped with baffle holes 711,
When transition oil pipe 27 connects transition oil pipe 1, baffle 71 connects the second valve rod 42, and driving check valve 4 is opened.
Specifically, spring 43 is socketed on the outside of limit sleeve 22,43 one end of spring connects check valve 4, other end connection the
One flange 2.
In order to enhance the leakproofness between transition oil pipe 1 and transition oil pipe 1, between second flange 5 and third flange 6
It is additionally provided with gasket 9.
Limit sleeve 22 is preferably disposed on the centre of first flange 2, and first flange oilhole 21 is circumferential centered on limit sleeve 22
Distribution, baffle holes 711 are circumferentially distributed as the center of circle using 71 center of baffle.
The sensor 8 for detecting oil liquid is additionally provided between the present embodiment baffle 71 and third flange 6.Sensor 8 is pumping
After detecting the signal for thering is oil liquid to flow out after check valve is opened on the connecting line of inlet port, and the signal is passed into engine
Then control system could start engine, otherwise must not start engine, prevent the circulation of inlet port oil liquid is unsmooth from making to machine
At damage, to achieve the purpose that protect machine.
It for the ease of dismounting, is preferably bolted between first flange 2 and fuel tank 1, second flange 5 and third flange
It is also preferred that being bolted between 6.
This implementation also discloses a kind of fuel tank, is equipped with the present embodiment fuel tank inlet port control device above-mentioned.
When use: when oily 1 normal use, baffle 71 withstands the second valve rod 42,4 compressed spring 43 of check valve, so that single
It is opened to valve 4, i.e., forms gap between check valve 4 and second flange oilhole 51, the oil liquid in fuel tank 1 can be through second flange oil
Hole 51 flows to transition oil pipe 27, realizes the fuel feeding to equipment.
It is as shown in Figure 2: when needing to overhaul fuel tank 1, to remove transition oil pipe 27, at this time baffle 71 and the second valve
Bar 42 separates, and check valve 4 cooperates under the driving of oil pressure with second flange oilhole 51 in spring 43 and fuel tank 1, by the second method
Blue oilhole 51 is blocked, and oil liquid can not be flowed out from second flange oilhole 51, avoids the leakage of oil liquid.
The present embodiment solves the technical issues of internal oil need to be discharged for the maintenance of fuel tank 1 in the prior art, also avoids
The leakage of oil liquid when fuel tank 1 overhauls, the present embodiment convenient disassembly, when maintenance, fuel tank 1 does not need to drain the oil and refuel repeatedly, prevents
Oil liquid is revealed when dismantling fuel sucking pipe, reduces waste, protects environment.The presence of sensor 8 can be played the role of protecting machine.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (10)
1. a kind of fuel tank inlet port control device, it is characterised in that: including transition oil pipe one (3), check valve (4) and transition oil pipe
Two (7), the both ends of the transition oil pipe one (3) are separately connected first flange (2) and second flange (5), the first flange (2)
First flange oilhole (21) and second flange oilhole (51), transition oil pipe two (7) end are respectively equipped with second flange (5)
Equipped with third flange (6), the both ends of the transition oil pipe one (3) pass through first flange (2) respectively and connect oil with second flange (5)
Case (1) and third flange (6), when connection, first flange oilhole (21) is connect with the fuel tank oilhole (11) of fuel tank (1), bridging oil
Pipe two (7) open check valve (4), the oil liquid in fuel tank (1) can flow to transition oil pipe two (7), when transition oil pipe two (7) and mistake
When crossing oil pipe one (3) and being not connected to, check valve (4) is closed, and the oil liquid in fuel tank (1) cannot flow to transition oil pipe two (7).
2. a kind of fuel tank inlet port control device according to claim 1, it is characterised in that: the check valve (4) includes
First valve rod (41) and spring (43), the first flange (2) are equipped with limit sleeve (22), the first valve rod (41) connection limit
It covers (22), when transition oil pipe two (7) is not connected to transition oil pipe one (3), the spring (43) is for driving check valve (4) to close
It closes, the transition oil pipe two (7) is equipped with unidirectional valve drive, single when transition oil pipe two (7) connects transition oil pipe one (3)
To valve drive for driving check valve (4) to open.
3. a kind of fuel tank inlet port control device according to claim 2, it is characterised in that: the unidirectional valve drive
Including the second valve rod (42) and baffle (71), second valve rod (42) is set to the first valve rod (41) opposite side of check valve (4),
The transition oil pipe two (7) is equipped with baffle (71), and baffle (71) is equipped with baffle holes (711), when transition oil pipe two (7) connects transition
When oil pipe one (3), baffle (71) connects the second valve rod (42), and driving check valve (4) is opened.
4. a kind of fuel tank inlet port control device according to claim 2, it is characterised in that: the spring (43) is socketed on
The outside of limit sleeve (22), spring (43) one end connect check valve (4), and the other end connects first flange (2).
5. a kind of fuel tank inlet port control device according to claim 1, it is characterised in that: the second flange (5) with
Gasket (9) are additionally provided between third flange (6).
6. a kind of fuel tank inlet port control device according to claim 2, it is characterised in that: limit sleeve (22) setting
In the centre of first flange (2), the first flange oilhole (21) is circumferentially distributed centered on limit sleeve (22).
7. a kind of fuel tank inlet port control device according to claim 3, it is characterised in that: the baffle holes (711) with
Baffle (71) center is that the center of circle is circumferentially distributed.
8. a kind of fuel tank inlet port control device according to claim 3, it is characterised in that: the baffle (71) and third
The sensor (8) for detecting oil liquid is additionally provided between flange (6), the sensor (8) connects engine control system.
9. a kind of fuel tank inlet port control device according to claim 1, it is characterised in that: the first flange (2) with
Fuel tank is bolted between (1), is bolted between the second flange (5) and third flange (6).
10. a kind of fuel tank, it is characterised in that: be equipped with a kind of fuel tank inlet port control device described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821171508.8U CN208831120U (en) | 2018-07-24 | 2018-07-24 | A kind of fuel tank inlet port control device and fuel tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821171508.8U CN208831120U (en) | 2018-07-24 | 2018-07-24 | A kind of fuel tank inlet port control device and fuel tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831120U true CN208831120U (en) | 2019-05-07 |
Family
ID=66307067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821171508.8U Active CN208831120U (en) | 2018-07-24 | 2018-07-24 | A kind of fuel tank inlet port control device and fuel tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869127A (en) * | 2018-07-24 | 2018-11-23 | 徐工集团工程机械股份有限公司科技分公司 | A kind of fuel tank inlet port control device and fuel tank |
-
2018
- 2018-07-24 CN CN201821171508.8U patent/CN208831120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869127A (en) * | 2018-07-24 | 2018-11-23 | 徐工集团工程机械股份有限公司科技分公司 | A kind of fuel tank inlet port control device and fuel tank |
| CN108869127B (en) * | 2018-07-24 | 2024-01-05 | 徐工集团工程机械股份有限公司科技分公司 | Oil suction port control device of oil tank and oil tank |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: 400000 incubation building, Jiulong Park, high tech Development Zone, Jiulongpo District, Chongqing Patentee after: XCMG CHONGQING ENGINEERING MACHINERY Co.,Ltd. Address before: 221000 No. 99 Kunpeng North Road, Xuzhou Economic Development Zone, Jiangsu Province Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. SCIENCE AND TECHNOLOGY BRANCH |