CN209635887U - A kind of filling oil control device released stress automatically - Google Patents
A kind of filling oil control device released stress automatically Download PDFInfo
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- CN209635887U CN209635887U CN201920187315.XU CN201920187315U CN209635887U CN 209635887 U CN209635887 U CN 209635887U CN 201920187315 U CN201920187315 U CN 201920187315U CN 209635887 U CN209635887 U CN 209635887U
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- ball valve
- pipe
- discharge loop
- refueling line
- loop pipe
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Abstract
The utility model discloses the filling oil control devices that one kind releases stress automatically, its key points of the technical solution are that: including refueling line, the end of the refueling line is connected with fuelling coupling, the first control ball valve is provided on the refueling line, the refueling line is connected in one end far from the fuelling coupling in the end of oil pipeline, discharge loop pipe is communicated on the oil pipeline, liquid non-return valve and the second control ball valve are provided in the discharge loop pipe, third control ball valve is additionally provided on the oil pipeline, the both ends connection of the discharge loop pipe is located at the two sides of third control ball valve in the oil pipeline；Increasing a discharge loop pipe at the both ends of third control ball valve has the effect of discharge, after filling oily operation, after third controls ball valve closing, the release and reduction of third control ball valve rear end refueling line pressure are able to achieve using refueling line and liquid non-return valve, it is ensured that safety.
Description
Technical field
The utility model relates to oil pipeline field, in particular to a kind of filling oil control device released stress automatically.
Background technique
In current each airport air fuel handing station and supply station, it is provided with filling oil system, for installing aviation kerosine additional
Into pot type tank service truck, control device generally uses ordinary ball valve to control.The front end for controlling ball valve is stainless steel material pipeline, after
End is the refueling line and fuelling coupling for installing aviation kerosine additional, in filling process, in the pipeline of control ball valve front and back end
It is each filled with oil plant, after filling oil and terminating to close control ball valve, controls the front end of ball valve because there is oil depot automatic pressure-maintaining system,
Pressure is steady, and the refueling line pressure for controlling ball valve rear end can not then discharge, and there is the case where building the pressure, especially in summer height
Warm season, pressure is larger, is easy to happen the excessive hidden danger for causing refueling line to burst of pressure.
Utility model content
For the problems raised in the background art, the purpose of the utility model is to provide the filling oil that one kind releases stress automatically
Control device, to solve the problems, such as to mention in background technique.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of filling oil control device released stress automatically, including refueling line, the end of the refueling line are connected with
Fuelling coupling is provided with the first control ball valve on the refueling line, and the refueling line is in one far from the fuelling coupling
End connection is communicated with discharge loop pipe on the end of oil pipeline, the oil pipeline, is provided in the discharge loop pipe
Liquid non-return valve and second controls ball valve, and third control ball valve is additionally provided on the oil pipeline, the discharge loop pipe
Both ends connection is located at the two sides of third control ball valve in the oil pipeline, and the oil pipeline is in the discharge loop pipe
Two sides be provided with first pressure gauge and second pressure gauge.
By using above-mentioned technical proposal, increasing a discharge loop pipe at the both ends of third control ball valve has discharge
Effect, after filling oily operation, third is controlled after ball valve closes, and the pressure that third controls ball valve rear end refueling line is higher than the
When the dwell pressure of three control ball valve front end oil pipelines, pressure will force liquid non-return valve to be opened, and realize that third controls ball valve
Pipeline road circulation of the pressure of rear end refueling line to third control ball valve front end, to realize that third control ball valve rear end adds
The release and reduction of factice pipe pressure, it is ensured that safety；And because there is the presence of liquid non-return valve, when third control ball valve front end
It, also can not be by discharge loop pipe to oiling glue when pipeline road pressure is higher than the refueling line pressure of third control ball valve rear end
Pipe transmitting.
Preferably, the end of the refueling line is fixed with first flange disk, and the end of the oil pipeline is fixed with
Two ring flanges are connected between the first flange disk and the second flange disk by several first clamping screws.
By using above-mentioned technical proposal, can be facilitated by first flange disk, second flange disk and the first clamping screw
Belong to the connection between pipeline and refueling line.
Preferably, have on the oil pipeline and returned with its internal the first branch pipe and the second branch pipe being connected to, the discharge
The both ends of road pipe are interconnected between first branch pipe and second branch pipe respectively.
By using above-mentioned technical proposal, installation discharge loop pipe can be facilitated using the first branch pipe and the second branch pipe.
Preferably, first tube end is fixed with the first collar, and discharge circuit tube end is fixed with the second axis
The outside of ring, first collar and second collar is threaded with screw thread ring set jointly.
By using above-mentioned technical proposal, tightening the screw thread ring set outside the first collar and the second collar can be realized discharge
The connection of one end of loop pipe and the first branch pipe.
Preferably, first collar and second collar offer the first placement in one side close to each other respectively
Slot is provided with O-ring in first placing groove.
By using above-mentioned technical proposal, the O-ring in the first placing groove is capable of increasing the first branch pipe and discharge loop pipe
Connection sealing effect between one end.
Preferably, second tube end is fixed with third ring flange, and discharge circuit tube end is fixed with the 4th
Ring flange is connected between the third ring flange and the 4th ring flange by several second clamping screws.
By using above-mentioned technical proposal, by utilizing third ring flange, the 4th ring flange and the second clamping screw can
Facilitate the connection for realizing the other end and the second branch pipe of discharge loop pipe.
Preferably, the third ring flange and the 4th ring flange offer second in one side close to each other respectively and put
Slot is set, is provided with seal washer in second placing groove.
By using above-mentioned technical proposal, the seal washer in the second placing groove is capable of increasing third ring flange and the 4th method
Connection sealing effect between blue disk.
In conclusion the utility model has the following beneficial effects:
Increasing a discharge loop pipe at the both ends of the second control ball valve has the effect of discharge, terminates when filling oily operation
Afterwards, after the second control ball valve is closed, the pressure of the second control ball valve rear end refueling line is higher than the second control ball valve front end oil transportation
When the dwell pressure of pipeline, pressure will force liquid non-return valve to be opened, and realize the pressure of the second control ball valve rear end refueling line
To second control ball valve front end pipeline road circulation, thus realize second control ball valve rear end refueling line pressure release and
It reduces, it is ensured that safety；And because there is the presence of liquid non-return valve, when the pipeline road pressure of the second control ball valve front end is higher than the
When the refueling line pressure of two control ball valve rear ends, it can not also be transmitted by discharge loop pipe to refueling line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the oily control device of filling released stress automatically；
Fig. 2 is the structure sectional view of the oily control device of filling released stress automatically；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is enlarged drawing at B in Fig. 2.
Appended drawing reference: 1, refueling line；2, fuelling coupling；3, the first control ball valve；4, oil pipeline；5, discharge circuit
Pipe；6, liquid non-return valve；7, the second control ball valve；8, third controls ball valve；9, first pressure gauge；10, second pressure gauge；11,
First flange disk；12, second flange disk；13, the first clamping screw；14, the first branch pipe；15, the second branch pipe；16, the first collar；
17, the second collar；18, screw thread ring set；19, the first placing groove；20, O-ring；21, third ring flange；22, the 4th ring flange；
23, the second clamping screw；24, the second placing groove；25, seal washer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, to the technical solution in the utility model carry out it is clear,
It is fully described by, it is clear that described utility model is only the utility model a part of the embodiment, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment
With reference to Fig. 1, a kind of filling oil control device released stress automatically, including refueling line 1, wherein in refueling line 1
End be connected with fuelling coupling 2, the first control ball valve 3 is provided on refueling line 1, by refueling line far from oiling connect
First 2 one end is connected in the end of oil pipeline 4；Due to being easy to happen the phenomenon that builds the pressure in refueling line 1, in order to improve its peace
Quan Xing is communicated with discharge loop pipe 5 on oil pipeline 4, and liquid non-return valve 6 and the second control are provided in discharge loop pipe 5
Ball valve 7 processed, while third control ball valve 8 is additionally provided on oil pipeline 4, wherein the both ends of discharge loop pipe 5 are connected to defeated
Oil-piping 4 is located at the two sides of third control ball valve 8, and the two sides of discharge loop pipe 5 are provided with first pressure in oil pipeline 4
Table 9 and second pressure gauge 10 detect 5 pressure at two ends of discharge loop pipe using first pressure gauge 9 and second pressure gauge 10；Therefore
The both ends of third control ball valve 8, which increase a discharge loop pipe 5, has the effect of discharge, after filling oily operation, third control
After ball valve 8 processed is closed, the pressure that third controls 8 rear end refueling line 1 of ball valve is higher than third and controls 8 front end oil pipeline 4 of ball valve
Dwell pressure when, pressure will force liquid non-return valve 6 to be opened, realize third control 8 rear end refueling line 1 of ball valve pressure to
Third controls the pipeline road circulation of 8 front end of ball valve, to realize the release of third control 8 rear end refueling line of ball valve, 1 pressure
And reduction, it is ensured that safety；And because there is the presence of liquid non-return valve 6, when the pipeline road pressure of third control 8 front end of ball valve is high
When 1 pressure of refueling line of third control 8 rear end of ball valve, it can not also be transmitted by discharge loop pipe 5 to refueling line 1.
With reference to Fig. 2, Fig. 3 and Fig. 4, in order to facilitate the connection between refueling line 1 and oil pipeline 4, in refueling line 1
End is fixed with first flange disk 11, is fixed with second flange disk 12 in the end of oil pipeline 4, while by first flange disk 11
By four the first clamping screw 13 connections between second flange disk 12, pass through first flange disk 11,12 and of second flange disk
First clamping screw 13 can conveniently belong to the connection between pipeline and refueling line 1；Discharge loop pipe 5 is connected for convenience
On oil pipeline 4, there is the first branch pipe 14 and the second branch pipe 15 being connected to inside it on oil pipeline 4, wherein discharge
The both ends of loop pipe 5 are interconnected between the first branch pipe 14 and the second branch pipe 15 respectively, utilize the first branch pipe 14 and second
Pipe 15 can facilitate installation discharge loop pipe 5.
With reference to Fig. 2, Fig. 3 and Fig. 4 in order to which one end of discharge loop pipe 5 to be connect with the first branch pipe 14, in the first branch pipe 14
End is fixed with the first collar 16, is fixed with the second collar 17 in 5 end of discharge loop pipe, while in the first collar 16 and second
The outside of collar 17 is threaded with screw thread ring set 18 jointly, tightens the screw thread ring set outside the first collar 16 and the second collar 17
18 can be realized one end of discharge loop pipe 5 and the connection of the first branch pipe 14；In order to improve the sealing effect of connection, by first axle
Ring 16 and the second collar 17 offer the first placing groove 19 in one side close to each other respectively, are provided in the first placing groove 19
O-ring 20, the O-ring 20 in the first placing groove 19 are capable of increasing the connection between 5 one end of the first branch pipe 14 and discharge loop pipe
Sealing effect；The other end of discharge loop pipe 5 is connect with the second branch pipe 15 for convenience, is fixed in 15 end of the second branch pipe
Third ring flange 21 is fixed with the 4th ring flange 22 in 5 end of discharge loop pipe, while by third ring flange 21 and the 4th flange
By four the second clamping screw 23 connections between disk 22, by utilizing third ring flange 21, the 4th ring flange 22 and the second lock
Tight bolt 23 can facilitate the connection for realizing the other end and the second branch pipe 15 of discharge loop pipe 5；In order to improve the sealing of connection
Third ring flange 21 and the 4th ring flange 22 are offered the second placing groove 24 in one side close to each other, simultaneously by effect respectively
Seal washer 25 is provided in the second placing groove 24, the seal washer 25 in the second placing groove 24 is capable of increasing third ring flange
21 and the 4th connection sealing effect between ring flange 22.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. the end of the filling oil control device that one kind releases stress automatically, including refueling line (1), the refueling line (1) connects
It is connected to fuelling coupling (2), the first control ball valve (3) is provided on the refueling line (1), the refueling line is far from described
End of one end connection of fuelling coupling (2) in oil pipeline (4), it is characterised in that: be communicated with and release on the oil pipeline (4)
It presses loop pipe (5), liquid non-return valve (6) and the second control ball valve (7), the oil transportation is provided on the discharge loop pipe (5)
Third control ball valve (8) is additionally provided on pipeline (4), the both ends of the discharge loop pipe (5) are connected in the oil pipeline (4)
Positioned at the two sides of third control ball valve (8), the oil pipeline (4) is provided in the two sides of the discharge loop pipe (5)
First pressure gauge (9) and second pressure gauge (10).
2. the filling oil control device that one kind according to claim 1 releases stress automatically, it is characterised in that: the oiling glue
The end of pipe (1) is fixed with first flange disk (11), and the end of the oil pipeline (4) is fixed with second flange disk (12), institute
It states and is connected between first flange disk (11) and the second flange disk (12) by several first clamping screws (13).
3. the filling oil control device that one kind according to claim 1 releases stress automatically, it is characterised in that: the petroleum pipeline
Have on road (4) and its internal the first branch pipe (14) and the second branch pipe (15) being connected to, the both ends point of the discharge loop pipe (5)
It is interconnected not between first branch pipe (14) and second branch pipe (15).
4. the filling oil control device that one kind according to claim 3 releases stress automatically, it is characterised in that: described first
Pipe (14) end is fixed with the first collar (16), and discharge loop pipe (5) end is fixed with the second collar (17), and described first
The outside of collar (16) and second collar (17) is threaded with screw thread ring set (18) jointly.
5. the filling oil control device that one kind according to claim 4 releases stress automatically, it is characterised in that: the first axle
Ring (16) and second collar (17) offer the first placing groove (19) respectively in one side close to each other, and described first places
O-ring (20) are provided in slot (19).
6. the filling oil control device that one kind according to claim 3 releases stress automatically, it is characterised in that: described second
Pipe (15) end is fixed with third ring flange (21), and discharge loop pipe (5) end is fixed with the 4th ring flange (22), described
It is connected between third ring flange (21) and the 4th ring flange (22) by several second clamping screws (23).
7. the filling oil control device that one kind according to claim 6 releases stress automatically, it is characterised in that: the third method
Blue disk (21) and the 4th ring flange (22) offer the second placing groove (24) respectively in one side close to each other, and described second
Seal washer (25) are provided in placing groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187315.XU CN209635887U (en) | 2019-02-03 | 2019-02-03 | A kind of filling oil control device released stress automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187315.XU CN209635887U (en) | 2019-02-03 | 2019-02-03 | A kind of filling oil control device released stress automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209635887U true CN209635887U (en) | 2019-11-15 |
Family
ID=68493210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920187315.XU Active CN209635887U (en) | 2019-02-03 | 2019-02-03 | A kind of filling oil control device released stress automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209635887U (en) |
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2019
- 2019-02-03 CN CN201920187315.XU patent/CN209635887U/en active Active
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