CN105084287B - The oil drip-preventing mechanism of nozzle - Google Patents
The oil drip-preventing mechanism of nozzle Download PDFInfo
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- CN105084287B CN105084287B CN201510495888.5A CN201510495888A CN105084287B CN 105084287 B CN105084287 B CN 105084287B CN 201510495888 A CN201510495888 A CN 201510495888A CN 105084287 B CN105084287 B CN 105084287B
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- flowline
- oil
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- preventing mechanism
- valve plug
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Abstract
The present invention relates to a kind of oil drip-preventing mechanism of nozzle, the problem of mainly solving to there is oil dripping in the prior art.Oil drip-preventing mechanism of the invention by using a kind of nozzle, including flowline, self-sealing function tracheae, self-styled valve, flowline sealing ring, oil drip-preventing mechanism, self-sealing function tracheae is arranged in the flowline in oiling gun barrel, it is flowline between self-sealing function tracheae and nozzle inside pipe wall, flowline rear end is fixedly connected with gun body with nut, flowline front end is provided with self-styled valve, self-sealing function tracheae front end is communicated by self-styled valve with air, O-ring is provided between flowline excircle and gun body inwall, oil drip-preventing mechanism is provided with the oil discharge passage of oil-out in flowline, the oil drip-preventing mechanism is by deadweight valve plug, the technical scheme of sealed circular ring and seal receptacle composition preferably solves above mentioned problem, in being refueled available for gas station.
Description
Technical field
The present invention relates to a kind of oil drip-preventing mechanism of nozzle.
Background technology
At present, when gas station is to automobile fuel filler, most gas stations all use common self-sealing refueling gun.Self-sealing refueling gun
Gun barrel generally comprises body and the flowline being arranged in body, self-styled tracheae, self-styled valve, return valve, the fuel-displaced seal of tube
Circle etc..Flowline rear end is fixedly connected with gun body, connects not tight between the return valve in existing gun barrel in flowline and gun body
It is close, it is easy to produce gap.CN88215531.8 is related to a kind of button type full sealed oil feeding gun, a kind of with the stream for having pressure in pipeline
Body, in the bellows chamber body being made of metal or plastics, produced buffer brake, for opening and closing pipeline, and it is closed
Pressure, follows the change adjust automatically of pressure in pipeline, therefore each part stress is uniform, reliable in action.The starting portion of push button
Point, flicking knob is only needed, part makees minimum displacement, can be rapidly completed whole switching motions.Gun body is circular straighttube type, can
It is hermetically sealed easily to carry out, and profile is small, lightweight, long lifespan.Refuel and add available for vehicle, ship, flow container etc.
Chemical industry fluid etc. is used.
In refueling process, the oil product in flowline is easily entered in body and gun body from the gap, influence nozzle
Safety in utilization;When lifting oil gun from fuel charger and preparing to refuel to fuel tank next time, Action of Gravity Field makes internal long-pending oil along fuel-displaced
Pipe flows out muzzle, drops onto on ground, causes environmental pollution and oil loss.And current increasing Reconstruction of Service Stations is
Self-service or semi-self-service gas station, and nozzle can not be strictly operated as professional oiling person during normal driver self-service refueling, make
Occur into carrying rifle gun body inner product oil droplet in oiling and the phenomenon such as falling, cause potential safety hazard, cause Heavy environmental pollution, to refueling
The physical and mental health of staff of standing causes harm, here it is the subject matter that existing nozzle is present.
The present invention targetedly solves the problem.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of new nozzle the problem of there is oil dripping in the prior art
Oil drip-preventing mechanism.The nozzle is used in gas station's oiling, has the advantages that oil drip-preventing.
To solve the above problems, the technical solution adopted by the present invention is as follows:A kind of oil drip-preventing mechanism of nozzle, including go out
Oil pipe, self-sealing function tracheae, self-styled valve, flowline sealing ring, oil drip-preventing mechanism, self-sealing function tracheae are arranged on oiling gun barrel
It is flowline in interior flowline, between self-sealing function tracheae and nozzle inside pipe wall, flowline rear end is solid with nut with gun body
Fixed connection, flowline front end is provided with self-styled valve, and self-sealing function tracheae front end is communicated by self-styled valve with air, flowline
O-ring is provided between excircle and gun body inwall, oil drip-preventing mechanism, institute are provided with the oil discharge passage of oil-out in flowline
Oil drip-preventing mechanism is stated to be made up of deadweight valve plug, sealed circular ring and seal receptacle, can magnetic force and Fluid pressure effect under automatic open close,
Valve plug front end conduct oneself with dignity using pyramid type structure, seal receptacle is fixedly mounted on flowline oil discharge passage inwall, and sealed circular ring is located at
Between seal receptacle and deadweight valve plug, it is close to oil discharge passage inwall;Wherein, the seal receptacle uses magnet ring, utilizes seal receptacle magnetic
Property effect ensure sealing close oil product passage, utilize conduct oneself with dignity valve plug Gravitative Loads and Fluid pressure effect open oil product passage.
In above-mentioned technical proposal, it is preferable that deadweight valve plug uses body of stainless steel, it is ensured that the magnetic of magnet ring can hold valve
Plug, it is ensured that sealing.
There is automatic open close function in oil drip-preventing mechanism in this patent, and when refueling, oil product promotes valve plug to transport under pressure
Dynamic, valve plug is separated with seal receptacle, and oil product passes through between valve plug and flowline;When oiling is finished, oil gun, flowline court are lifted
On, valve plug is because of deadweight deviation seal receptacle, because of magnetic action adhesive sealing, the oil product formed in check valve structure, cut-out flowline
Flow pass, prevents from next time from extracting oil product when nozzle refuels and drips on the ground.It can efficiently solve to refuel and propose the oil leak of rifle again and ask
Topic so that oil loss is low, low in the pollution of the environment in refueling process, performance safety is reliable, achieves preferable technique effect.
Brief description of the drawings
Fig. 1 is the structural representation of oil drip-preventing mechanism of the present invention.
1 is deadweight valve plug, and 2 be seal receptacle, and 3 be sealed circular ring, and 4 be self-sealing function tracheae, and 5 be flowline.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Embodiment
【Embodiment 1】
As shown in figure 1, the design of nozzle gun barrel oil drip-preventing mechanism of the present invention is close including deadweight valve plug, seal receptacle, plastics
Seal annulus composition.Valve plug front end uses pyramid type structure, it is ensured that have certain moving range in flowline, reduces oil product and flows through
The liquid resistance of structure formation.Seal receptacle is fixedly mounted on the fuel-displaced inside pipe wall of nozzle.Deadweight valve plug, which is used, what is necessarily conducted oneself with dignity
Body of stainless steel.Seal receptacle uses high magnet ring, it is ensured that the magnetic of magnet ring can hold valve plug, it is ensured that sealing.Flowline is oil
Product passage;Self-styled valve, self-styled tracheae constitute self-styled passage, and self-styled valve and atmosphere balance tubing pressure.
The present invention is applied when being refueled on nozzle, lifts Handleset to the flow gear of needs, in oil pump
Under pressure effect, oil product passes sequentially through gun body, fuel-displaced tube assembly injection fuel tank, and flowline front end is formed with self-styled valve and self-styled gas
Pipe, the rear end of flowline is fixedly mounted in gun body, O-ring is provided between flowline excircle and gun body inwall, in flowline
Oil drip-preventing mechanism is provided with the oil discharge passage of oil-out.
Nozzle is on fuel charger normally when hanging arms, and upward, at this moment under Gravitative Loads, valve plug center of gravity is to sealing for flowline
Seat (magnet ring) skew, is sealed under the magnetic action of magnet ring by adhesive.
Taken arms before oiling, because valve plug is held and will not fallen immediately by magnet, at this moment no matter oil-out upwards or to
Under, the oil drip-preventing mechanism constitutes check-valves mechanism, cuts off oil product passage, gun body and tubular body long-pending oil flow to the position and kept off
It firmly will not flow out and.
When oiling main valve opens (oiling starts), under the effect of oil product pressure, valve plug, which is moved downward, departs from magnet ring
Flow through in magneticaction, the space of oil product from deadweight valve plug and oil discharge passage.
When main valve closes (oiling terminates), oil gun is also inserted on automotive oil tank, because valve plug is departing from seal receptacle (magnet
Ring) magnetic scope, the long-pending oil that valve plug and seal receptacle are in inside released state, oil gun gun body eventually flowed in automotive oil tank.
The oil drip-preventing mechanism can effectively solve the problems, such as that nozzle carries the oil dripping that rifle refuels again, can prevent from causing environmental pollution, safety hidden
Suffer from and energy waste.
【Comparative example】
The gun barrel straight length part of common self-sealing refueling gun without above-mentioned oil drip-preventing mechanism, gun barrel generally comprise body with
And it is arranged on flowline, self-styled tracheae, self-styled valve, return valve, flowline sealing ring in body etc..Flowline rear end and rifle
Body is fixedly connected, and easily occurs connecting not close problem, produces gap.Flowline is oil discharge passage.
In common self-sealing refueling gun refueling process, the oil in flowline is entered in body and gun body from the gap, is produced
Residual oil, is accumulated in inside gun body after hanging arms.
When next time puts the gun refueling, during flowline mouth down, Residual oil flows out muzzle along gun barrel in gun body, drops onto ground
On, cause oil product to lose and environmental pollution, the volatility oil gas of generation has certain potential safety hazard.
Claims (1)
1. a kind of oil drip-preventing mechanism of nozzle, including it is flowline, self-sealing function tracheae, self-styled valve, flowline sealing ring, anti-
Oil dripping mechanism, self-sealing function tracheae is arranged in the flowline in oiling gun barrel, self-sealing function tracheae and nozzle inside pipe wall it
Between be flowline, flowline rear end is fixedly connected with gun body with nut, and flowline front end is provided with self-styled valve, self-sealing function gas
Pipe front end is communicated by self-styled valve with air, and O-ring is provided between flowline excircle and gun body inwall, close in flowline
Oil drip-preventing mechanism is provided with the oil discharge passage of oil-out, the oil drip-preventing mechanism is by deadweight valve plug, sealed circular ring and seal receptacle group
Into, can under magnetic force and Fluid pressure effect automatic open close, deadweight valve plug front end uses pyramid type structure, and seal receptacle is fixedly mounted
On flowline oil discharge passage inwall, sealed circular ring is located between seal receptacle and deadweight valve plug, is close to oil discharge passage inwall;Its
In, the seal receptacle uses magnet ring, using seal receptacle magnetic action ensure sealing close oil product passage, using conduct oneself with dignity valve plug from
Recast is used and oil product passage is opened in Fluid pressure effect;Deadweight valve plug uses body of stainless steel, it is ensured that the magnetic of magnet ring can inhale
Firmly valve plug, it is ensured that sealing.
Priority Applications (1)
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CN201510495888.5A CN105084287B (en) | 2015-08-13 | 2015-08-13 | The oil drip-preventing mechanism of nozzle |
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CN201510495888.5A CN105084287B (en) | 2015-08-13 | 2015-08-13 | The oil drip-preventing mechanism of nozzle |
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CN105084287A CN105084287A (en) | 2015-11-25 |
CN105084287B true CN105084287B (en) | 2017-07-25 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109835864B (en) * | 2018-08-13 | 2020-09-08 | 绍兴市寅创科技有限公司 | Oil-proof dripping oil gun |
CN114031029B (en) * | 2021-10-11 | 2023-12-05 | 黄冬云 | Portable transformer oil pillow oiling device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2818451Y (en) * | 2005-08-10 | 2006-09-20 | 余承兴 | Automatic closed metering fuel charger |
RU2482057C2 (en) * | 2008-09-17 | 2013-05-20 | Франклин Фьюэлинг Системз, Инк. | Fuel filling gun |
CN103072936A (en) * | 2012-12-25 | 2013-05-01 | 浙江麦得机器有限公司 | Self-sealing oil gun with high performance |
CN203402916U (en) * | 2013-08-19 | 2014-01-22 | 优必得石油设备(苏州)有限公司 | Gun tube of oil vapor recovery oil-adding gun |
CN104676057A (en) * | 2015-02-06 | 2015-06-03 | 洛阳普瑞曼自动控制技术有限公司 | Check valve for oil filling gun |
CN104743492A (en) * | 2015-02-09 | 2015-07-01 | 洛阳普瑞曼自动控制技术有限公司 | Oil and gas recovery oil filling gun with non-pressure self-sealing function and oil filling method thereof |
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Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant after: Sinopec Corp. Applicant after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. Address before: 100728 Chaoyangmen street, Beijing, No. 22, No. Applicant before: Sinopec Corp. Applicant before: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. |
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