CN105084287A - Oil dripping prevention mechanism of oiling gun - Google Patents
Oil dripping prevention mechanism of oiling gun Download PDFInfo
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- CN105084287A CN105084287A CN201510495888.5A CN201510495888A CN105084287A CN 105084287 A CN105084287 A CN 105084287A CN 201510495888 A CN201510495888 A CN 201510495888A CN 105084287 A CN105084287 A CN 105084287A
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Abstract
The invention relates to an oil dripping prevention mechanism of an oiling gun, which mainly solves the oil dripping problem in the prior art. The oil dripping prevention mechanism of the oiling gun comprises an oil outlet pipe, a self-sealing function air pipe, a self-sealing air nozzle, an oil outlet pipe sealing ring and an oil dripping prevention mechanism, wherein the self-sealing function air pipe is mounted in the oil outlet pipe in an oiling gun pipe; the oil outlet pipe is between the self-sealing function air pipe and the inner wall of the oiling gun pipe; the back end of the oil outlet pipe is fixedly connected with a gun body by a nut; the self-sealing air nozzle is mounted at the front end of the oil outlet pipe; the front end of the self-sealing function air pipe is communicated with atmosphere through the self-sealing air nozzle; an O-shaped ring is arranged between the outer periphery of the oil outlet pipe and the inner wall of the gun body; the oil dripping prevention mechanism is arranged in an oil outlet channel, near an oil outlet, of the oil outlet pipe; and the oil dripping prevention mechanism consists of a deadweight valve plug, a sealing ring and a sealing base. The oil dripping prevention mechanism of the oiling gun preferably solves the problem, and can be used for oiling in gas stations.
Description
Technical field
The present invention relates to a kind of oil drip-preventing mechanism of nozzle.
Background technology
At present, when petrol service station is to automobile fuel filler, most petrol service station all adopts common self-sealing refueling gun.Self-sealing refueling gun gun barrel generally comprises body and is arranged on the oil outlet pipe in body, self-styled tracheae, self-styled valve, reflux valve, oil outlet pipe seal ring etc.Oil outlet pipe rear end is fixedly connected with rifle body, is connected not tight, is easy to produce gap in existing gun barrel between oil outlet pipe with the reflux valve in rifle body.CN88215531.8 relates to a kind of button type full sealed oil feeding gun, the fluid of pressure is had in a kind of pipeline, in the bellows cavity made with metal or plastics, the cut-back pressure produced, for opening and closing pipeline, and its confining pressure, follow the change of pressure in pipeline and automatically adjust, therefore each part stress is even, reliable in action.The actuating section of push button, only needs flicking knob, and part is done minimum displacement, can be completed whole switching motion fast.Rifle body is circular straighttube type, and can carry out hermetically sealed easily, and profile is little, lightweight, the life-span is long.Can be used for refueling to vehicle, ship, flow container etc. and adding the uses such as chemical industry fluid.
In refueling process, the oil product in oil outlet pipe easily enters in body and rifle body from this gap, affects the safety in utilization of nozzle; Until next time from fuel charger mention oil gun prepare refuels to fuel tank time, Action of Gravity Field make inner product oil along oil outlet pipe outflow muzzle, drop onto on ground, cause environmental pollution and oil loss.And current increasing Reconstruction of Service Stations is self-service or semi-self-service petrol service station, and during normal driver self-service refueling can not as specialty oiling person strict operation nozzle, cause and propose the phenomenon generations such as rifle rifle body inner product oil droplet when refueling falls, cause potential safety hazard, cause Heavy environmental pollution, the physical and mental health of gas station attendant is worked the mischief, the subject matter of existing nozzle existence that Here it is.
The present invention solves this problem targetedly.
Summary of the invention
Technical matters to be solved by this invention is the problem that there is oil dripping in prior art, provides a kind of oil drip-preventing mechanism of new nozzle.This nozzle is used for, in petrol service station oiling, having the advantage of oil drip-preventing.
For solving the problem, the technical solution used in the present invention is as follows: a kind of oil drip-preventing mechanism of nozzle, comprise oil outlet pipe, self-sealing function tracheae, self-styled valve, oil outlet pipe seal ring, oil drip-preventing mechanism, self-sealing function tracheae is arranged in the oil outlet pipe refueled in gun barrel, it is oil outlet pipe between self-sealing function tracheae and nozzle inside pipe wall, oil outlet pipe rear end is fixedly connected with nut with rifle body, oil outlet pipe front end is provided with self-styled valve, self-sealing function tracheae front end is communicated with air by self-styled valve, O type circle is provided with between oil outlet pipe excircle and rifle body inwall, in the oil discharge passage of oil outlet, oil drip-preventing mechanism is provided with at oil outlet pipe, described oil drip-preventing mechanism is by valve plug of conducting oneself with dignity, sealed circular ring and seal receptacle composition, can under magnetic force and fluid pressure action automatic open close, deadweight valve plug front end adopts pyramid type structure, seal receptacle is fixedly mounted on oil outlet pipe oil discharge passage inwall, sealed circular ring is between seal receptacle and deadweight valve plug, be close to oil discharge passage inwall, wherein, described seal receptacle adopts magnet ring, utilizes seal receptacle magnetic action to ensure hermetically closing oil product passage, utilizes deadweight valve plug Gravitative Loads and fluid pressure action to open oil product passage.
In technique scheme, preferably, deadweight valve plug adopts body of stainless steel, guarantees that the magnetic of magnet ring can hold valve plug, ensures sealing.
In this patent, there is automatic open close function in oil drip-preventing mechanism, and when refueling, oil product promotes plug movement under pressure, and valve plug is separated with seal receptacle, and oil product passes through between valve plug and oil outlet pipe; When refueling complete, lift oil gun, upward, valve plug, because of deadweight deflection seal receptacle, because of magnetic action adhesive sealing, forms check valve structure, cuts off the oil product flow pass in oil outlet pipe oil outlet pipe, prevents from next time from extracting oil product when nozzle refuels and drips on the ground.Effectively can solve the Leakage that rifle is carried in oiling again, such that oil loss in refueling process is low, low in the pollution of the environment, performance safety is reliable, achieve good technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil drip-preventing mechanism of the present invention.
1 is deadweight valve plug, and 2 is seal receptacle, and 3 is sealed circular ring, and 4 is self-sealing function tracheae, and 5 is oil outlet pipe.
Below by embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Detailed description of the invention
[embodiment 1]
As shown in Figure 1, the design of nozzle gun barrel oil drip-preventing mechanism of the present invention comprises deadweight valve plug, seal receptacle, plastic seal annulus composition.Valve plug front end adopts pyramid type structure, ensures in oil outlet pipe, have certain moving range, reduces the liquid resistance that oil product flows through the formation of this structure.Seal receptacle is fixedly mounted on nozzle oil outlet pipe inwall.Deadweight valve plug adopts the body of stainless steel having certain deadweight.Seal receptacle adopts high magnet ring, guarantees that the magnetic of magnet ring can hold valve plug, ensures sealing.Oil outlet pipe is oil product passage; Self-styled valve, self-styled tracheae form self-styled passage, and self-styled valve is communicated with air, equilibrium oil pipe pressure.
When the present invention is applied in and nozzle refuels, mention Handleset on the flow gear of needs, under pressure fuel pump effect, oil product injects fuel tank by rifle body, oil outlet pipe assembly successively, oil outlet pipe front end is shaped with self-styled valve and self-styled tracheae, the rear end of oil outlet pipe is fixedly mounted on rifle body, is provided with O type circle between oil outlet pipe excircle and rifle body inwall, is provided with oil drip-preventing mechanism at oil outlet pipe in the oil discharge passage of oil outlet.
When nozzle is normally hung arms on fuel charger, upward, at this moment under Gravitative Loads, valve plug center of gravity, to seal receptacle (magnet ring) skew, is sealed by adhesive oil outlet pipe under the magnetic action of magnet ring.
Take arms before oiling, because valve plug is held can not fall immediately by magnet, at this moment no matter oil outlet upwards or downwards, described oil drip-preventing mechanism forms boiler check valve mechanism, cuts off oil product passage, and rifle body and tubular body amass oil and flow to this position and be blocked and can not flow out.
When refueling main valve unlatching (refuel and start), under the effect of oil product pressure, valve plug moves downward the magnetic action departing from magnet ring, and oil product flows through from the space of deadweight valve plug and oil discharge passage.
When main valve closes (refuel and terminate), oil gun is also inserted on automotive oil tank, because valve plug has departed from the magnetic scope of seal receptacle (magnet ring), valve plug and seal receptacle are in released state, and the long-pending oil of oil gun rifle body inside finally flows in automotive oil tank.Described oil drip-preventing mechanism effectively can solve nozzle and put forward the oil dripping problem that rifle refuels again, can prevent from causing environmental pollution, potential safety hazard and energy dissipation.
[comparative example]
The gun barrel straight length part of common self-sealing refueling gun is without above-mentioned oil drip-preventing mechanism, and gun barrel generally comprises body and is arranged on the oil outlet pipe in body, self-styled tracheae, self-styled valve, reflux valve, oil outlet pipe seal ring etc.Oil outlet pipe rear end is fixedly connected with rifle body, easily occurs connecting not closely problem, produces gap.Oil outlet pipe is oil discharge passage.
In common self-sealing refueling gun refueling process, the oil in oil outlet pipe enters in body and rifle body from this gap, produces Residual oil, accumulates in rifle body inner after hanging arms.
Next time, when putting the gun refueling, during oil outlet pipe mouth down, in rifle body, Residual oil flowed out muzzle along gun barrel, drops onto on ground, and cause oil product to lose and environmental pollution, the volatility oil gas of generation has certain potential safety hazard.
Claims (2)
1. the oil drip-preventing mechanism of a nozzle, comprise oil outlet pipe, self-sealing function tracheae, self-styled valve, oil outlet pipe seal ring, oil drip-preventing mechanism, self-sealing function tracheae is arranged in the oil outlet pipe refueled in gun barrel, it is oil outlet pipe between self-sealing function tracheae and nozzle inside pipe wall, oil outlet pipe rear end is fixedly connected with nut with rifle body, oil outlet pipe front end is provided with self-styled valve, self-sealing function tracheae front end is communicated with air by self-styled valve, O type circle is provided with between oil outlet pipe excircle and rifle body inwall, in the oil discharge passage of oil outlet, oil drip-preventing mechanism is provided with at oil outlet pipe, described oil drip-preventing mechanism is by valve plug of conducting oneself with dignity, sealed circular ring and seal receptacle composition, can under magnetic force and fluid pressure action automatic open close, deadweight valve plug front end adopts pyramid type structure, seal receptacle is fixedly mounted on oil outlet pipe oil discharge passage inwall, sealed circular ring is between seal receptacle and deadweight valve plug, be close to oil discharge passage inwall, wherein, described seal receptacle adopts magnet ring, utilizes seal receptacle magnetic action to ensure hermetically closing oil product passage, utilizes deadweight valve plug Gravitative Loads and fluid pressure action to open oil product passage.
2. the oil drip-preventing mechanism of nozzle according to claim 1, is characterized in that described deadweight valve plug adopts body of stainless steel, guarantees that the magnetic of magnet ring can hold valve plug, ensure sealing.
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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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CN105084287B CN105084287B (en) | 2017-07-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109835864A (en) * | 2018-08-13 | 2019-06-04 | 河南省豫石地质勘查技术有限公司 | A kind of grease proofing dropwise addition oil gun |
CN114031029A (en) * | 2021-10-11 | 2022-02-11 | 黄冬云 | Portable transformer conservator oiling device |
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CN2818451Y (en) * | 2005-08-10 | 2006-09-20 | 余承兴 | Automatic closed metering fuel charger |
WO2010033566A2 (en) * | 2008-09-17 | 2010-03-25 | Franklin Fueling Systems, Inc. | Fuel dispensing nozzle |
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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2015
- 2015-08-13 CN CN201510495888.5A patent/CN105084287B/en active Active
Patent Citations (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 |
WO2010033566A2 (en) * | 2008-09-17 | 2010-03-25 | Franklin Fueling Systems, Inc. | Fuel dispensing nozzle |
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 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109835864A (en) * | 2018-08-13 | 2019-06-04 | 河南省豫石地质勘查技术有限公司 | A kind of grease proofing dropwise addition oil gun |
CN109835864B (en) * | 2018-08-13 | 2020-09-08 | 绍兴市寅创科技有限公司 | Oil-proof dripping oil gun |
CN114031029A (en) * | 2021-10-11 | 2022-02-11 | 黄冬云 | Portable transformer conservator oiling device |
CN114031029B (en) * | 2021-10-11 | 2023-12-05 | 黄冬云 | Portable transformer oil pillow oiling device |
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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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