CN213809022U - Oil filling pipe check valve, oil filling pipe and mold - Google Patents

Oil filling pipe check valve, oil filling pipe and mold Download PDF

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Publication number
CN213809022U
CN213809022U CN202022892882.0U CN202022892882U CN213809022U CN 213809022 U CN213809022 U CN 213809022U CN 202022892882 U CN202022892882 U CN 202022892882U CN 213809022 U CN213809022 U CN 213809022U
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China
Prior art keywords
outer sleeve
baffle
check valve
flapper
axis
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CN202022892882.0U
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Chinese (zh)
Inventor
张新祖
景睿
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Wuhan Xutu Precision Machinery Co ltd
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Wuhan Xutu Precision Machinery Co ltd
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Abstract

The embodiment of the utility model provides a relate to the automotive equipment technical field, disclose an add oil pipe check valve, add oil pipe and mould. The utility model comprises an outer sleeve; the fixed baffle is a semicircular plate; the movable baffle is a semicircular plate and is rotatably connected with the fixed baffle, a rotating shaft of the movable baffle is arranged in parallel with the axis of the outer sleeve, the movable baffle is connected with the transmission rod, and the axis of the transmission rod is arranged in parallel with the axis of the outer sleeve; the elastic piece, the elastic piece is fixed in fixed stop, and sets up with adjustable fender's edge butt, and the elastic piece is used for adjustable fender to reset adjustable fender after rotatory for fixed stop. The embodiment of the utility model provides an add oil pipe check valve, add oil pipe and mould can solve when using the nozzle to refuel to the oil pipe of car, fluid and oil gas flow out from adding the oil pipe easily, cause the pollution of the waste of fuel and environment, have the problem of potential safety hazard simultaneously.

Description

Oil filling pipe check valve, oil filling pipe and mold
Technical Field
The embodiment of the utility model provides a relate to the technical field of the automotive equipment, in particular to add oil pipe check valve, add oil pipe and mould.
Background
At present, when an automobile is refueled, a fuel filling gun is usually inserted into a fuel filling pipe at a fuel filling opening of the automobile, and fuel gasoline is conveyed into an automobile fuel tank through the communication between the fuel filling gun and the fuel filling pipe. Because be in open state between filling pipe and the oil tank, after drawing out the nozzle when refueling, the fluid in the filling pipe flows back easily and spills over from nozzle and filling pipe junction, and partly oil gas in the filling pipe also can volatilize out simultaneously, causes the waste of fuel and the pollution of environment, has the potential safety hazard simultaneously.
The inventor finds that the following problems exist in the practical operation: when the oil filling gun is used for filling oil into an oil filling pipe of an automobile, oil and oil gas easily flow out of the oil filling pipe, so that fuel waste and environmental pollution are caused, and potential safety hazards exist simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an add oil pipe check valve, add oil pipe and mould for can solve when using the nozzle to refuel the oil pipe of car, fluid and oil gas flow out from adding the oil pipe easily, cause the pollution of the waste of fuel and environment, have the problem of potential safety hazard simultaneously.
In order to solve the technical problem, an embodiment of the present invention provides an oil filling pipe check valve, which includes an outer sleeve, wherein the outer sleeve is a cylindrical sleeve, an outer surface wall of the outer sleeve is fixedly connected with an inner surface wall of an oil filling pipe, and a flow guide cavity is defined inside the outer sleeve; the fixed baffle is a semicircular plate, the peripheral arc surface of the fixed baffle is fixedly connected with the inner surface wall of the oil filling pipe, and the fixed baffle is arranged perpendicular to the axis of the outer sleeve; the movable baffle is a semicircular plate and is rotatably connected with the fixed baffle, a rotating shaft of the movable baffle is arranged in parallel with the axis of the outer sleeve, the movable baffle is connected with the arc-shaped rod, the other end of the arc-shaped rod is connected with the transmission rod, the axis of the arc-shaped rod is perpendicular to the axis of the outer sleeve, and the axis of the transmission rod is arranged in parallel with the axis of the outer sleeve; the elastic piece, the elastic piece is fixed in fixed stop, and sets up with adjustable fender's edge butt, and the elastic piece is used for adjustable fender to reset adjustable fender after rotatory for fixed stop.
In addition, the elastic piece is arranged on the surface of the fixed baffle plate, which is far away from the transmission rod. Through setting up the elastic component in the surface that fixed stop deviates from the transfer line, prevent to oil gun cover when the transfer line rotates to the deformation of elastic component cause the influence.
In addition, the surface of the movable baffle plate, which is provided with the transmission rod, is abutted against the surface of the fixed baffle plate, which is provided with the elastic piece. The surface of the transmission rod arranged on the movable baffle and the surface of the elastic piece arranged on the fixed baffle are abutted, so that the movable baffle is positioned on the surface of one side of the fixed baffle departing from the oiling gun after rotation, and the oil is prevented from being blocked due to circulation of oil.
In addition, a baffle rotating shaft is arranged at the position of the circle center of the fixed baffle, the axis of the baffle rotating shaft is perpendicular to the fixed baffle, and the movable baffle is rotatably connected with the baffle rotating shaft. The baffle rotating shaft is rotatably connected with the movable baffle plate through the arrangement of the position of the circle center of the fixed baffle plate, so that the movable baffle plate can rotate around the position of the circle center of the fixed baffle plate, and a sufficient space is conveniently made for oil liquid to flow.
In addition, a sealing element is arranged between the inner wall of the outer sleeve and the fixed baffle. By arranging the sealing element between the inner wall of the outer sleeve and the fixed baffle, the oil is prevented from flowing back from a gap between the fixed baffle and the inner wall of the outer sleeve or oil gas is prevented from volatilizing from the gap between the fixed baffle and the inner wall of the outer sleeve.
In addition, the surface of the fixed baffle plate provided with the elastic piece is also provided with a baffle plate, and the elastic piece is abutted against the baffle plate. Through setting up the separation blade for elastic component one end and separation blade butt, the other end and adjustable fender butt provide the holding power to the elastic component by the separation blade when providing elasticity to adjustable fender.
In addition, the circumference of the cambered surface of the movable baffle is abutted against the surface of the inner wall of the outer sleeve. Through the setting of the cambered surface periphery with adjustable fender and the inner wall surface butt of outer sleeve for adjustable fender can seal the outflow passageway of fluid completely after rotatory play, prevents that fluid refluence and oil gas from volatilizing.
The embodiment of the utility model also provides an add oil pipe, including foretell oil pipe check valve.
The utility model discloses an embodiment still provides a mould for the foretell arc pole of injection moulding and processing and transfer line.
The utility model discloses embodiment is for prior art, when not refueling, and two semicircular fixed stop and adjustable fender just will refuel the inside perpendicular to fluid flow direction's of intraduct cross-section and seal. When the nozzle of the oil gun stretches into the oil filling pipe, the nozzle of the oil gun is sleeved on the outer surface of the transmission rod, the transmission rod is driven to rotate, the movable baffle is driven to rotate around the joint of the movable baffle and the fixed baffle to coincide with the surface of the movable baffle and the fixed baffle, an opening for oil liquid circulation is formed, after oil filling is finished, the oil gun is pulled out, the elastic piece generates elastic force on the movable baffle and pushes the movable baffle to reset, the flow path for oil liquid circulation is sealed again, oil liquid backflow and oil gas volatilization in the oil filling pipe are blocked, fuel waste and environment pollution are reduced, and potential safety hazards are avoided.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic top view of a filler tube check valve according to a first embodiment of the present invention;
FIG. 2 is a schematic top view of a first embodiment of a filler tube check valve according to the present invention in operation;
FIG. 3 is a schematic bottom view of a filler tube check valve according to a first embodiment of the present invention;
FIG. 4 is a schematic bottom view of a first embodiment of a filler tube check valve according to the present invention in operation;
FIG. 5 is a side sectional schematic view of a filler tube check valve according to a first embodiment of the present invention;
FIG. 6 is a schematic structural view of a filler tube check valve according to a first embodiment of the present invention;
fig. 7 is a schematic side sectional view of a fuel filler tube according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
At present, when an automobile is refueled, a fuel filling gun is usually inserted into a fuel filling pipe at a fuel filling opening of the automobile, and fuel gasoline is conveyed into an automobile fuel tank through the communication between the fuel filling gun and the fuel filling pipe. Because be in open state between filling pipe and the oil tank, after drawing out the nozzle when refueling, the fluid in the filling pipe flows back easily and spills over from nozzle and filling pipe junction, and partly oil gas in the filling pipe also can volatilize out simultaneously, causes the waste of fuel and the pollution of environment, has the potential safety hazard simultaneously.
The inventor finds that the following problems exist in the practical operation: when the oil filling gun is used for filling oil into an oil filling pipe of an automobile, oil and oil gas easily flow out of the oil filling pipe, so that fuel waste and environmental pollution are caused, and potential safety hazards exist simultaneously.
The first embodiment of the present invention relates to an oil filling pipe check valve, as shown in fig. 1 to 5, which includes an outer sleeve 100, a fixed baffle 200, a movable baffle 300, and an elastic member 400. Outer sleeve 100 is a cylindrical sleeve with the outer surface wall of outer sleeve 100 fixedly attached to the inner surface wall of the filler tube and the interior of outer sleeve 100 defining a baffle chamber 110. The fixed baffle 200 is a semicircular plate, the circumferential arc surface of the fixed baffle 200 is fixedly connected with the inner surface wall of the oil filling pipe, and the fixed baffle 200 is arranged perpendicular to the axis of the outer sleeve 100. The movable baffle 300 is a semicircular plate, the movable baffle 300 is rotatably connected with the fixed baffle 200, a rotating shaft of the movable baffle 300 is arranged in parallel with an axis of the outer sleeve 100, the movable baffle 300 is connected with the transmission rod 310, and an axis of the transmission rod 310 is arranged in parallel with an axis of the outer sleeve 100. The elastic member 400 is fixed to the fixed barrier 200 and is disposed to abut against an edge of the movable barrier 300, and the elastic member 400 is used to reset the movable barrier 300 after the movable barrier 300 rotates with respect to the fixed barrier 200.
The fixed baffle 200 and the movable baffle 300 are both semicircular plates and have the same diameter, and are adapted to the inner diameter of the outer sleeve 100, so that the movable baffle 300 can completely close the section of the diversion cavity 110 inside the outer sleeve 100, which is perpendicular to the axis of the outer sleeve 100, after rotating relative to the fixed baffle 200. The outer diameter of outer sleeve 100 is adapted to the inner diameter of the filler tube to provide a seal for the oil flow path inside the filler tube.
The elastic member 400 is a spring having two ends respectively provided with extension rods, the axis of the spring is perpendicular to the surface of the fixed baffle 200, and the extension rod at one end of the spring abuts against the surface of the sidewall of the movable baffle 300 to reset the movable baffle 300.
After the nozzle of the fuel truck nozzle is sleeved on the transmission rod 310, the nozzle of the fuel truck nozzle drives the transmission rod 310 to rotate, and when the transmission rod 310 is driven to rotate so as to drive the movable baffle 300 to rotate, the nozzle of the fuel truck nozzle is just positioned above a flow path which is vacated after the movable baffle 300 rotates through the extension of the arc-shaped rod 320.
In this embodiment, when no refueling is performed, the two semicircular fixed baffles 200 and the movable baffle 300 just seal the section of the inside of the refueling pipe perpendicular to the flow direction of the oil. When the nozzle of the oil gun stretches into the oil filling pipe, the nozzle of the oil gun is sleeved on the outer surface of the transmission rod 310, the transmission rod 310 is driven to rotate, the movable baffle 300 is driven to rotate around the joint with the fixed baffle 200 to coincide with the surface of the movable baffle 300 and the surface of the fixed baffle 200, an opening for oil liquid circulation is formed, after oil filling is finished, the oil gun is pulled out, the elastic piece 400 generates elastic force on the movable baffle 300 and pushes the movable baffle 300 to reset, the flow path for oil liquid circulation is sealed again, oil liquid backflow and oil gas volatilization in the oil filling pipe are blocked, fuel waste and environment pollution are reduced, and potential safety hazards are avoided.
The elastic member 400 is disposed on a surface of the fixing stop 200 facing away from the driving rod 310. By providing the resilient member 400 on the surface of the stationary bezel 200 facing away from the drive link 310, the deformation of the resilient member 400 is prevented from being affected when the fuel filler sleeve rotates on the drive link 310.
The surface of the flapper 300 provided with the driving lever 310 is disposed in abutment with the surface of the stationary flapper 200 provided with the elastic member 400. The surface of the movable baffle 300 provided with the transmission rod 310 is abutted against the surface of the fixed baffle 200 provided with the elastic piece 400, so that the movable baffle 300 is positioned on the surface of one side of the fixed baffle 200 departing from the oil gun after rotation, and the oil is prevented from being blocked due to the circulation of oil.
The baffle rotating shaft 210 is arranged at the center of the fixed baffle 200, the axis of the baffle rotating shaft 210 is perpendicular to the fixed baffle 200, and the movable baffle 300 is rotatably connected with the baffle rotating shaft 210. The baffle rotating shaft 210 is rotatably connected with the movable baffle 300 at the circle center position of the fixed baffle 200, so that the movable baffle 300 can rotate around the circle center position of the fixed baffle 200, and a sufficient space is conveniently reserved for oil liquid to flow.
A seal 120 is provided between the inner wall of the outer sleeve 100 and the stationary baffle 200. By providing the sealing member 120 between the inner wall of the outer sleeve 100 and the fixed baffle 200, oil is prevented from flowing back from the gap between the fixed baffle 200 and the inner wall of the outer sleeve 100 or oil gas is prevented from volatilizing from the gap between the fixed baffle 200 and the inner wall of the outer sleeve 100.
The surface of the fixed baffle 200 provided with the elastic element 400 is further provided with a blocking sheet 220, and the elastic element 400 is abutted against the blocking sheet 220. By providing the blocking piece 220, one end of the elastic member 400 abuts against the blocking piece 220, and the other end abuts against the movable baffle 300, so that the blocking piece 220 provides a supporting force for the elastic member 400 when providing an elastic force for the movable baffle 300.
The arcuate periphery of flapper 300 is disposed in abutment with the inner wall surface of outer sleeve 100. Through the setting of the cambered surface periphery with adjustable fender 300 and the inner wall surface butt of outer sleeve 100 for adjustable fender 300 can seal the outflow passageway of fluid completely after rotatory out, prevents that fluid refluence and oil gas from volatilizing.
As shown in fig. 6, the movable baffle 300 is a semicircular plate, the movable baffle 300 is rotatably connected with the fixed baffle 200, a rotating shaft of the movable baffle 300 is arranged in parallel with an axis of the outer sleeve 100, the movable baffle 300 is connected with the arc-shaped rod 320, the other end of the arc-shaped rod 320 is connected with the transmission rod 310, the axis of the arc-shaped rod 320 is arranged perpendicular to an axis of the outer sleeve 100, and the axis of the transmission rod 310 is arranged in parallel with an axis of the outer sleeve 100. After the nozzle of the fuel truck nozzle is sleeved on the transmission rod 310, the nozzle of the fuel truck nozzle drives the transmission rod 310 to rotate, and when the transmission rod 310 is driven to rotate so as to drive the movable baffle 300 to rotate, the nozzle of the fuel truck nozzle is just positioned above a flow path which is vacated after the movable baffle 300 rotates through the extension of the arc-shaped rod 320.
In one embodiment, drive rod 310 may be formed from a sheet of expanded metal that is crimped into a cylindrical shape so that when drive rod 310 is partially inserted into the port of a fuel filler barrel, it does not block the fuel path and fuel can pass through the mesh on drive rod 310 and into the fuel filler barrel.
A second embodiment of the present invention relates to an oil filler tube, as shown in fig. 7, including the above-described oil filler tube check valve.
Outer sleeve 100 is secured within filler tube A, and the outer diameter of outer sleeve 100 is matched to the inner diameter of filler tube A such that after outer sleeve 100 is secured within filler tube A, there is no gap between the outer wall of outer sleeve 100 and the inner wall of filler tube A, and oil flows in flow direction M from baffle chamber 110 within outer sleeve 100.
The utility model discloses a third embodiment relates to a mould for processing foretell arc pole and transfer line, this mould can integrated into one piece injection moulding arc pole and transfer line, forms the chamber of moulding plastics in the mould, and the material of moulding plastics gets into the chamber postcooling of moulding plastics and solidifies, obtains fashioned arc pole and transfer line.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (9)

1. The utility model provides an add oil pipe check valve, installs inside adding oil pipe, its characterized in that includes:
the outer sleeve is a cylindrical sleeve, the outer surface wall of the outer sleeve is fixedly connected with the inner surface wall of the oil filling pipe, and a flow guide cavity is defined in the outer sleeve;
the fixed baffle is a semicircular plate, the peripheral arc surface of the fixed baffle is fixedly connected with the inner surface wall of the oil filling pipe, and the fixed baffle is perpendicular to the axis of the outer sleeve;
the movable baffle is a semicircular plate, the movable baffle is rotatably connected with the fixed baffle, a rotating shaft of the movable baffle is arranged in parallel with the axis of the outer sleeve, the movable baffle is connected with an arc-shaped rod, the other end of the arc-shaped rod is connected with a transmission rod, the axis of the arc-shaped rod is perpendicular to the axis of the outer sleeve, and the axis of the transmission rod is arranged in parallel with the axis of the outer sleeve;
the elastic piece is fixed on the fixed baffle and is abutted against the edge of the movable baffle, and the elastic piece is used for resetting the movable baffle relative to the fixed baffle after rotation.
2. The fuel filler tube check valve of claim 1, wherein the resilient member is disposed on a surface of the stationary flapper facing away from the transfer rod.
3. The filler tube check valve of claim 2, wherein a surface of the flapper provided with the transmission rod is disposed in abutment with a surface of the stationary flapper provided with the elastic member.
4. The fuel filler pipe check valve of claim 3, wherein a flapper rotating shaft is provided at a center position of the stationary flapper, an axis of the flapper rotating shaft is disposed perpendicular to the stationary flapper, and the flapper rotating shaft is rotatably coupled to the flapper rotating shaft.
5. The filler tube check valve of claim 4, wherein a seal is disposed between an inner wall of the outer sleeve and the stationary flapper.
6. The filler tube check valve of claim 5, wherein a surface of the stationary flapper at which the resilient member is disposed is further provided with a stopper, the resilient member being disposed in abutment with the stopper.
7. The filler tube check valve of claim 6, wherein the arcuate peripheral edge of the flapper is disposed in abutment with an inner wall surface of the outer sleeve.
8. A filler tube comprising the filler tube check valve of any of claims 1-7.
9. A mold for injection molding said arc-shaped rod and said transmission rod according to any one of claims 1 to 8.
CN202022892882.0U 2020-12-01 2020-12-01 Oil filling pipe check valve, oil filling pipe and mold Active CN213809022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022892882.0U CN213809022U (en) 2020-12-01 2020-12-01 Oil filling pipe check valve, oil filling pipe and mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022892882.0U CN213809022U (en) 2020-12-01 2020-12-01 Oil filling pipe check valve, oil filling pipe and mold

Publications (1)

Publication Number Publication Date
CN213809022U true CN213809022U (en) 2021-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022892882.0U Active CN213809022U (en) 2020-12-01 2020-12-01 Oil filling pipe check valve, oil filling pipe and mold

Country Status (1)

Country Link
CN (1) CN213809022U (en)

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