CN210261097U - Non-pressure self-sealing oil gas recovery oil gun with gas circuit switch - Google Patents
Non-pressure self-sealing oil gas recovery oil gun with gas circuit switch Download PDFInfo
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- CN210261097U CN210261097U CN201921186038.7U CN201921186038U CN210261097U CN 210261097 U CN210261097 U CN 210261097U CN 201921186038 U CN201921186038 U CN 201921186038U CN 210261097 U CN210261097 U CN 210261097U
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Abstract
The utility model relates to a non-pressure self-sealing oil gas recovery oil gun with a gas circuit switch, which comprises a gun body, a gun barrel, a main valve, a control valve, a vacuum valve and a handle component, wherein an oil filling channel and an oil gas recovery channel are arranged in the gun body and the gun barrel, the oil filling channel and the oil gas recovery channel are communicated with an oil delivery pipe and a gas receiving pipe through an oil gas joint at the tail part of the gun body, an automatic control valve is arranged in the gun body between the main valve and the oil gas joint, and the oil filling channel and the oil gas recovery channel are respectively communicated with the oil delivery pipe and the gas receiving pipe through the automatic control; it features that the automatic control valve is automatically opened under the control of magnet on valve core and magnetic ring on control sleeve. When the oil gun stops oiling, the automatic control valve can be automatically opened downwards to test the oil gas recovery system, and oil loss and environmental pollution in the test process are avoided.
Description
Technical Field
The utility model belongs to the filling equipment field, concretely relates to vapor recovery system nozzle. The invention is suitable for the vehicle oil gun of the gas station.
Background
The structure of the oil gas recovery self-sealing oil gun generally comprises a gun body, a gun barrel assembly, a main valve assembly, a control valve assembly, a vacuum valve assembly and a handle assembly, wherein an oil filling channel and an oil gas recovery channel are arranged in the gun body and the gun barrel assembly. For example, the oil gas recovery self-sealing oil gun with the patent number ZL201310735166.3 has the functions of orientation self-sealing, induction self-sealing, oil gas recovery, drip prevention and the like. In order to prevent oil gas in the oil tank from volatilizing to atmosphere along the oil gas recovery channel in the state of stopping oiling, a switch valve is arranged in the oil gas recovery channel, when oiling, oil pressure pushes the switch valve to open, and meanwhile, the oiling channel and the oil gas recovery channel are opened, when oiling is stopped, the switch valve is closed by spring force, the oiling channel and the oil gas recovery channel are cut off, and the oil gas in the oil tank is prevented from volatilizing to atmosphere along the oil gas recovery channel. The main problems are as follows: the oil gas recovery system test must be carried out when the complete machine leaves the factory, whether the oil gas proportion (gaseous volume of returning promptly) of test oil gas recovery system accords with the national standard requirement, however, current product need open the oil pump and just can open the ooff valve and test oil gas recovery system, must carry out the measurement of oil gas recovery proportion under the state of refueling promptly, produces oil loss and environmental pollution during the test.
Disclosure of Invention
The utility model discloses to the problem that prior art exists, provide one kind and can stop measuring the vapor recovery system proportion when refueling at the oil gun, reduce oil loss, the good non-pressure of environmental protection performance has the gas circuit switch proclaims oneself vapor recovery oil gun.
The technical scheme of the utility model includes the rifle body, barrel, main valve, control valve, vacuum valve, handle assembly, has refueling channel and vapor recovery passageway in the rifle body and the barrel, and this refueling channel and vapor recovery passageway communicate with defeated oil pipe and receipts trachea through the oil gas joint of rifle body afterbody, are equipped with the automatic control valve in the rifle body between main valve and vapor recovery joint, and refueling channel and vapor recovery passageway communicate with defeated oil pipe and receipts trachea respectively through the automatic control valve; the automatic control valve is characterized by comprising a valve body, a valve seat and a valve core, wherein the outer circumference of the valve body is fixedly arranged in an oil filling channel of a gun body, an oil duct and an air passage are arranged in the inner cavity of the valve body, the air passage is concentrically arranged in the center of the oil duct, the oil duct is communicated with the oil filling channel, the valve seat is fixedly arranged in the air passage, the inlet side of the valve seat is communicated with an oil gas recovery channel on the gun body through a radial cavity on the valve; the back of the sealing surface of the valve core is connected with a guide cylinder, a magnet is arranged in an inner cavity of the guide cylinder, the outer circular wall of the guide cylinder is in clearance fit with the inner cavity wall of the guide sleeve at the center of an oil duct of the valve body, the maximum axial length between the end surface of the guide cylinder and the sealing surface of the valve core is smaller than the axial length between the bottom surface of the inner cavity of the guide sleeve and the sealing surface of the valve seat, a valve core control sleeve is movably sleeved on the outer circular surface of the guide sleeve, a magnetic ring concentric with the magnet is embedded on the valve core control.
Preferably, the whole of the magnetic ring is closer to one side of the valve seat than the magnet, and the weight of the valve core control sleeve and the magnetic ring is larger than the magnetic force between the magnetic ring and the magnet.
Preferably, the valve body and the guide sleeve are integrally formed by injection molding of a plastic material, the valve core, the guide cylinder, the valve seat and the valve core control sleeve are made of a metal material, the valve core and the guide cylinder are integrally formed, and the sealing surface of the valve core is made of a rubber pad.
The beneficial effects of the utility model are that when the oil gun stopped refueling, can open the self-control valve downwards automatically with the barrel and carry out the test of vapor recovery system, avoided the oil loss and the environmental pollution of testing process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the self-control valve of fig. 1 according to the present invention in a closed state.
Fig. 3 is a schematic structural view of the self-control valve of fig. 1 according to the present invention in an open state.
Detailed Description
As shown in fig. 1, the non-pressure self-sealing oil gas recovery oil gun with an air circuit switch comprises a gun body 1, a gun barrel 2, a main valve 3, a control valve 4, a vacuum valve 5 and a handle assembly 6, wherein an oil filling channel 7 and an oil gas recovery channel 8 are arranged in the gun body 1 and the gun barrel 2, the oil filling channel 7 and the oil gas recovery channel 8 are communicated with an oil conveying pipe and an air receiving pipe through an oil gas joint 9 at the tail part of the gun body 1, when oil is filled, the handle assembly is pulled up to open the main valve 3, oil is filled into a vehicle through the vacuum valve 5 and the gun barrel 2, after an oil tank of the vehicle is filled with oil, a self-sealing hole at the end part of the gun barrel 2 is sealed by the oil, the control valve 4 acts to close the main valve 3 to realize a self-sealing function, a self-control valve is arranged in the gun body 1 between the main valve 3 and the oil; the automatic control valve is characterized by comprising a valve body 10, a valve seat 12 and a valve core 11; the outer circumference of the valve body 10 is fixedly arranged in a refueling passage 7 of the gun body 1, an oil passage 18 and an air passage 19 are arranged in the inner cavity of the valve body 10, the air passage 19 is concentrically arranged in the center of the oil passage 18, the oil passage 18 is communicated with the refueling passage 7, a valve seat 12 is fixedly arranged in the air passage 19, the inlet side of the valve seat 12 is communicated with an oil gas recovery passage 8 on the gun body 1 through a radial cavity 20 on the valve body 10, and a valve core 11 is arranged on the inlet side of the valve; the back of the sealing surface of the valve core 11 is connected with a guide cylinder 16, a magnet 15 is arranged in the inner cavity of the guide cylinder 16, the outer circular wall of the guide cylinder 16 is in clearance fit with the inner circular wall of a guide sleeve 21 at the center of an oil passage of the valve body 10, so that the guide cylinder 16 moves axially in the inner cavity of the guide sleeve 21, the maximum axial length between the end surface of the guide cylinder 16 and the sealing surface of the valve core 11 is smaller than the axial length between the bottom surface of the inner cavity of the guide sleeve 21 and the sealing surface of the valve seat 12, so that the valve core 11 is ensured to have enough opening space, a valve core control sleeve 14 is movably sleeved on the outer circular surface of the guide sleeve 21, a magnetic ring 13 concentric with the magnet 15 is. When oil is added, the gun barrel 2 is inserted into the oil tank downwards, the valve core control sleeve 14 moves to one end of the limiting ring 17 under the action of gravity, oil flows to the main valve 3 through the annular oil duct 18 between the outer circular surface of the valve core control sleeve 14 and the inner circular wall of the valve body 10 to add oil to the vehicle oil tank, and meanwhile, the valve core 11 moves to the bottom surface of the inner cavity of the guide sleeve 21 under the action of magnetic force and gravity, so that the air passage 19 is communicated with the oil-gas recovery passage 8 for oil-gas recovery, as shown in fig; after oiling is finished, the gun barrel 2 is hung on the oiling machine upwards, the valve core control sleeve 14 moves to one side of the valve seat 12 under the action of gravity, the valve core 11 moves to be in sealing contact with the valve seat 12 under the action of magnetic force and gravity, the air passage 19 and the oil gas recovery passage 8 are cut off, and the vacuum pump is prevented from sucking air into the oil tank through the oil gas recovery passage 8 and volatilizing oil gas in the oil tank into the atmosphere through the oil gas recovery passage 8, as shown in fig. 2; when the oil gas recovery system is tested in a state of stopping oiling, the gun barrel 2 is downward, the valve core control sleeve 14 moves to one end of the limiting ring 17 under the action of gravity, the valve core 11 moves to the bottom surface of the inner cavity of the guide sleeve 21 under the action of magnetic force and gravity, the automatic control valve is opened, so that the air passage 19 is communicated with the oil gas recovery channel 8, and the oil gas recovery ratio test is carried out.
The whole of the magnetic ring 13 is closer to the valve seat 12 than the magnet 15, that is, two end faces of the magnetic ring 13 are closer to one side of the valve seat 12 than two end faces of the magnet 15, and the weight of the valve core control sleeve 14 and the magnetic ring 13 is larger than the magnetic force between the magnetic ring 13 and the magnet 15, so that the magnetic force generates the suction force for pressing the valve core 11 against the valve seat 12, and the sealing force between the valve core 11 and the valve seat 12 is improved.
The valve body 10 and the guide sleeve 21 are integrally formed by injection molding of plastic materials, the valve core 11, the guide cylinder 16, the valve seat 12 and the valve core control sleeve 14 are made of metal materials, the valve core 11 and the guide cylinder 16 are integrally formed, and the sealing surface of the valve core 11 is made of a rubber pad.
Claims (3)
1. A non-pressure self-sealing oil gas recovery oil gun with an air circuit switch comprises a gun body (1), a gun barrel (2), a main valve (3), a control valve (4), a vacuum valve (5) and a handle assembly (6), wherein an oil filling channel (7) and an oil gas recovery channel (8) are arranged in the gun body (1) and the gun barrel (2), the oil filling channel (7) and the oil gas recovery channel (8) are communicated with an oil delivery pipe and an air receiving pipe through an oil gas joint (9) at the tail part of the gun body (1), an automatic control valve is arranged in the gun body (1) between the main valve (3) and the oil gas joint (9), and the oil filling channel (7) and the oil gas recovery channel (8) are respectively communicated with the oil delivery pipe and the air receiving pipe through the automatic control valve; the automatic control valve is characterized by comprising a valve body (10), a valve seat (12) and a valve core (11); the outer circumference of the valve body (10) is fixedly installed in a refueling channel (7) of the gun body (1), an oil duct (18) and an air duct (19) are arranged in the inner cavity of the valve body (10), the air duct (19) is concentrically arranged at the center of the oil duct (18), the oil duct (18) is communicated with the refueling channel (7), a valve seat (12) is fixedly installed in the air duct (19), the inlet side of the valve seat (12) is communicated with an oil gas recovery channel (8) on the gun body (1) through a radial cavity (20) on the valve body (10), and a valve core (11) is installed on the inlet side of the valve seat (12); the back of the sealing surface of the valve core (11) is connected with a guide cylinder (16), a magnet (15) is arranged in an inner cavity of the guide cylinder (16), the outer circular surface of the guide cylinder (16) is in clearance fit with the inner cavity wall of a guide sleeve (21) at the center of an oil duct of the valve body (10), the maximum axial length between the end surface of the guide cylinder (16) and the sealing surface of the valve core (11) is smaller than the axial length between the bottom surface of the inner cavity of the guide sleeve (21) and the sealing surface of the valve seat (12), a valve core control sleeve (14) is movably sleeved on the outer circular surface of the guide sleeve (21), a magnetic ring (13) concentric with the magnet (15) is embedded on the valve core control sleeve (14), and a limit ring (17.
2. The pressureless self-sealing oil gas recovery oil gun with gas circuit switch as claimed in claim 1, wherein the whole of the magnetic ring (13) is closer to the valve seat (12) than the magnet (15), and the weight of the valve core control sleeve (14) and the magnetic ring (13) is greater than the magnetic force between the magnetic ring (13) and the magnet (15).
3. The pressureless self-sealing oil gas recovery oil gun with an air passage switch according to claim 1 or 2, characterized in that the valve body (10) and the guide sleeve (21) are integrally injection molded by plastic materials, the valve core (11), the guide cylinder (16), the valve seat (12) and the valve core control sleeve (14) are made of metal materials, the valve core (11) and the guide cylinder (16) are integrally formed, and the sealing surface of the valve core (11) is made of rubber pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186038.7U CN210261097U (en) | 2019-07-26 | 2019-07-26 | Non-pressure self-sealing oil gas recovery oil gun with gas circuit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186038.7U CN210261097U (en) | 2019-07-26 | 2019-07-26 | Non-pressure self-sealing oil gas recovery oil gun with gas circuit switch |
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| Publication Number | Publication Date |
|---|---|
| CN210261097U true CN210261097U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921186038.7U Active CN210261097U (en) | 2019-07-26 | 2019-07-26 | Non-pressure self-sealing oil gas recovery oil gun with gas circuit switch |
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| CN (1) | CN210261097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304601A (en) * | 2019-07-26 | 2019-10-08 | 浙江麦得机器有限公司 | With air circuit breaker without pressing self-styled petroleum vapor recovery refueling nozzle |
-
2019
- 2019-07-26 CN CN201921186038.7U patent/CN210261097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304601A (en) * | 2019-07-26 | 2019-10-08 | 浙江麦得机器有限公司 | With air circuit breaker without pressing self-styled petroleum vapor recovery refueling nozzle |
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