CN107654327A - A kind of oil drain cock structure - Google Patents
A kind of oil drain cock structure Download PDFInfo
- Publication number
- CN107654327A CN107654327A CN201711089889.5A CN201711089889A CN107654327A CN 107654327 A CN107654327 A CN 107654327A CN 201711089889 A CN201711089889 A CN 201711089889A CN 107654327 A CN107654327 A CN 107654327A
- Authority
- CN
- China
- Prior art keywords
- switch body
- bumper
- switch
- movable cavity
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
- F02M59/48—Assembling; Disassembling; Replacing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Taps Or Cocks (AREA)
Abstract
A kind of oil drain cock structure proposed by the present invention, it is arranged in aero fuel pump, including switch sleeve, switch body and flowline, switch sleeve and be provided with adpting flange, docking swivel nut, the first bumper and the second bumper, switch body is arranged in movable cavity, it which is provided with limiting plate, back-moving spring and the 3rd bumper, the pipe joint of flowline uses Rotatary tube joint, the present invention is simple in construction, it is reasonable in design, only need to dock the pipe joint of flowline with switch bush whorl, you can carry out grease proofing；With the progress that screw thread docks, butt tube extruding switch body, the oil-out in switch body is forced to enter in aero fuel pump, excess oil is spilt therewith；Excess oil emptying is treated, when releasing screw thread docking, between butt tube and switch body, by back-moving spring and sealing gasket, all the time in sealing state, until screw thread docking releases completely；Therefore possesses the characteristics of quickly draining the oil, preventing seepage, be simple to operate.
Description
Technical field
The invention belongs to aerospace field, particularly a kind of oil drain cock structure.
Background technology
Aero fuel pump is typically mounted at the bottom of fuel tank or pipeline, when fuel pump failure or other reasons need to be dismantled,
A small amount of excess oil in pump chamber is caused not exclude because fuel pump position is low, fuel oil can be from joint face or screw with when pulling down product
Hole is oozed out, and causes environmental pollution, also extremely influences the working environment and work phychology of staff.
Therefore, it is necessary to design and provide it is a kind of can quickly drain the oil, prevent seepage, oil drain cock structure simple to operate and
Oil drain cock.
The content of the invention
The present invention is in view of the above-mentioned problems, propose a kind of oil drain cock structure.
Specific technical scheme is as follows：
A kind of oil drain cock structure, is arranged in aero fuel pump, including switch sleeve, switch body and flowline, and it is special
Sign is, is connected in the switch sleeve in the movable cavity of "convex" shaped, including upper shed and under shed, its lower end is provided with
Flange and docking swivel nut, the adpting flange is positioned at the lower end outer rim of switch sleeve, and in annular, the docking swivel nut protrudes from
The lower surface of sleeve is switched, its outer wall is provided with external screw thread；
The first bumper and the second bumper are provided with the movable cavity, first bumper is located at movable cavity
Bottom, its outer wall are bonded with the inwall of movable cavity and bottom surface, and second bumper is located at the middle part of movable cavity, its outer wall
It is bonded with the inwall of movable cavity, and is connected with switch sleeve；
The switch body is in cylindrical, is arranged in movable cavity, and its upper end protrudes from upper shed, switch body upper half
The outer wall in portion and the inwall gap of upper shed coordinate, and switch body lower half is provided with the spring groove of annular, and are cased with outer wall multiple
Position spring, the lower end of the back-moving spring are bonded with spring groove, and its upper end is bonded with the inwall of movable cavity, the lower end of switch body
Face is pressed on the first bumper in the presence of back-moving spring；
The upper end of the switch body is provided with limiting plate, and the limiting plate is integral type structure with switch body, and limiting plate is in circle
Annular, the external diameter of its annular held are more than upper shed internal diameter, the 3rd bumper are fixed with the lower surface of limiting plate；Open
Close body and be provided with multiple circumferentially uniform oil-outs；
The flowline includes pipe joint, and the pipe joint is Rotatary tube joint, and its inwall is provided with switching sleeve
The internal thread that coordinates of external screw thread, be provided with pipe joint and be used to extrude switch body, transmit the butt tube of excess oil, the butt tube is convex
For the opening of pipe joint, its outer wall coordinates with shed gap, and its internal diameter is consistent with the internal diameter of switch body, and butt tube is upper
End face is provided with sealing gasket, and the sealing gasket is in annular；
Further, the internal diameter of the switch body is less than the internal diameter of under shed；
Further, the internal diameter of the under shed is consistent with the internal diameter for docking swivel nut；
Further, first bumper, the second bumper and the 3rd bumper are in annular；
Further, the upper end of the switch body is provided with cover plate, and the cover plate is coordinated by internal and external threads, connects with switch body
Connect sealing.
Beneficial effects of the present invention are：
A kind of oil drain cock structure proposed by the present invention, is arranged in aero fuel pump, including switch sleeve, switch body and
Flowline, switch sleeve are provided with adpting flange, docking swivel nut, the first bumper and the second bumper, switch body and are arranged at work
In dynamic cavity, limiting plate, back-moving spring and the 3rd bumper are which is provided with, the pipe joint of flowline uses Rotatary tube joint,
The present invention is simple in construction, reasonable in design, it is only necessary to docks the pipe joint of flowline with switch bush whorl, you can prevented
Oil；With the progress that screw thread docks, butt tube extruding switch body, the oil-out in switch body is forced to enter in aero fuel pump,
Excess oil is spilt therewith；Excess oil emptying is treated, when releasing screw thread docking, between butt tube and switch body, passes through back-moving spring and sealing
Pad, all the time in sealing state, until screw thread docking releases completely；Therefore possess and quickly drain the oil, prevent seepage, be simple to operate
Feature.
Brief description of the drawings
Fig. 1 schematic diagrames of the present invention.
Fig. 2 switchs sleeve schematic diagram.
Fig. 3 switch body schematic diagrames.
Fig. 4 present invention drains the oil view.
Embodiment
To make technical scheme become apparent from clearly, the present invention is described further below in conjunction with the accompanying drawings,
Any scheme drawn to the technical characteristic progress equivalencing of technical solution of the present invention and conventional reasoning each falls within guarantor of the present invention
Protect scope.
A kind of oil drain cock structure as depicted, is arranged in aero fuel pump 1, including switch sleeve 2, switch body 3
With flowline 4, it is characterised in that it is described switch sleeve 2 in be in "convex" shaped movable cavity 5, including upper shed 6 and under open
Mouth 7, its lower end are provided with adpting flange 8 and docking swivel nut 9, and the adpting flange 8 is positioned at the lower end outer rim for switching sleeve 2, in circle
Annular, the docking swivel nut 9 protrude from the lower surface of switch sleeve 2, and its outer wall is provided with external screw thread；
The first bumper 10 and the second bumper 11 are provided with the movable cavity 5, first bumper 10 is positioned at work
The bottom of dynamic cavity 5, its outer wall are bonded with the inwall of movable cavity 5 and bottom surface, and second bumper 11 is located at movable cavity 5
Middle part, its outer wall is bonded with the inwall of movable cavity 5, and is connected with switch sleeve 2；
The switch body 3 is in cylindrical, is arranged in movable cavity 5, and its upper end protrudes from upper shed 6, switch body 3
The outer wall of the first half coordinates with the inwall gap of upper shed 6, and the lower half of switch body 3 is provided with the spring groove 12 of annular, and outer wall
On be cased with back-moving spring 13, the lower end of the back-moving spring 13 is bonded with spring groove 12, and the inwall of its upper end and movable cavity 5 pastes
Close, the lower surface of switch body 3 is pressed on the first bumper 10 in the presence of back-moving spring 13；
The upper end of the switch body 3 is provided with limiting plate 14, and the limiting plate 14 and switch body 3 are integral type structure, spacing
Plate 14 is in annular, and the external diameter of its annular held is more than the internal diameter of upper shed 6, and is fixed with the lower surface of limiting plate 14
Three bumpers 15；Switch body 3 is provided with multiple circumferentially uniform oil-outs 16；
The flowline 4 includes pipe joint 17, and the pipe joint 17 is Rotatary tube joint, and its inwall is provided with and switch
The internal thread that the external screw thread of sleeve 2 coordinates, interior be provided with of pipe joint 17 are used to extrude switch body 3, transmit the butt tube 18 of excess oil, institute
The opening that butt tube 18 protrudes from pipe joint 17 is stated, its outer wall coordinates with the gap of under shed 7, its internal diameter and the internal diameter of switch body 3
Unanimously, and the upper surface of butt tube 18 is provided with sealing gasket 19, and the sealing gasket 19 is in annular；
Further, the internal diameter of the switch body 3 is less than the internal diameter of under shed 7；
Further, the internal diameter of the under shed 7 is consistent with the internal diameter for docking swivel nut 9；
Further, first bumper 10, the second bumper 11 and the 3rd bumper 15 are in annular；
Further, the upper end of the switch body 3 is provided with cover plate 20, and the cover plate 20 is coordinated by internal and external threads, with opening
Close the connection sealing of body 3.
In the oil drain cock structure of the present embodiment, when carrying out the excess oil discharge of aero fuel pump, it is only necessary to by flowline
Pipe joint with switch bush whorl dock, you can, with screw thread dock progress, butt tube extrude switch body, force switch
Oil-out on body enters in aero fuel pump, and excess oil is spilt therewith；Treat excess oil emptying, when releasing screw thread docking, butt tube with
Between switch body, by back-moving spring and sealing gasket, all the time in sealing state, until screw thread docking releases completely.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in,
It should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
It is defined.
Claims (5)
1. a kind of oil drain cock structure, is arranged in aero fuel pump, including switch sleeve, switch body and flowline, its feature
It is, is the movable cavity in "convex" shaped in the switch sleeve, including upper shed and under shed, its lower end be provided with connection method
Blue and docking swivel nut, the adpting flange is positioned at the lower end outer rim of switch sleeve, and in annular, the docking swivel nut protrudes from out
The lower surface of sleeve is closed, its outer wall is provided with external screw thread；
The first bumper and the second bumper are provided with the movable cavity, first bumper is located under movable cavity
Portion, its outer wall are bonded with the inwall of movable cavity and bottom surface, and second bumper is located at the middle part of movable cavity, its outer wall with
The inwall fitting of movable cavity, and be connected with switch sleeve；
The switch body is in cylindrical, is arranged in movable cavity, and its upper end protrudes from upper shed, the switch body first half
The inwall gap of outer wall and upper shed coordinates, and switch body lower half is provided with the spring groove of annular, and is cased with resetting bullet on outer wall
Spring, the lower end of the back-moving spring are bonded with spring groove, and its upper end is bonded with the inwall of movable cavity, and the lower surface of switch body exists
In the presence of back-moving spring, it is pressed on the first bumper；
The upper end of the switch body is provided with limiting plate, and the limiting plate and switch body are integral type structure, and limiting plate is in annular,
The external diameter of its annular held is more than upper shed internal diameter, and the 3rd bumper is fixed with the lower surface of limiting plate；Switch body
It is provided with multiple circumferentially uniform oil-outs；
The flowline includes pipe joint, and the pipe joint is Rotatary tube joint, and its inwall is provided with outer with switch sleeve
The internal thread that screw thread coordinates, interior be provided with of pipe joint are used to extrude switch body, transmit the butt tube of excess oil, and the butt tube protrudes from
The opening of pipe joint, its outer wall coordinate with shed gap, and its internal diameter is consistent with the internal diameter of switch body, and the upper surface of butt tube
Sealing gasket is provided with, the sealing gasket is in annular.
2. a kind of oil drain cock structure as claimed in claim 1, it is characterised in that the internal diameter of the switch body is less than under shed
Internal diameter.
3. a kind of oil drain cock structure as claimed in claim 1, it is characterised in that the internal diameter of the under shed is with docking swivel nut
Internal diameter it is consistent.
4. a kind of oil drain cock structure as claimed in claim 1, it is characterised in that first bumper, the second bumper
It is in annular with the 3rd bumper.
A kind of 5. oil drain cock structure as claimed in claim 1, it is characterised in that the upper end of the switch body is provided with cover plate,
The cover plate is coordinated by internal and external threads, and sealing is connected with switch body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089889.5A CN107654327A (en) | 2017-11-08 | 2017-11-08 | A kind of oil drain cock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711089889.5A CN107654327A (en) | 2017-11-08 | 2017-11-08 | A kind of oil drain cock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654327A true CN107654327A (en) | 2018-02-02 |
Family
ID=61120832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711089889.5A Withdrawn CN107654327A (en) | 2017-11-08 | 2017-11-08 | A kind of oil drain cock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318540A (en) * | 2018-12-15 | 2020-06-23 | 中石化石油工程技术服务有限公司 | Deepwater underwater leaked oil collecting and storing device and using method thereof |
-
2017
- 2017-11-08 CN CN201711089889.5A patent/CN107654327A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111318540A (en) * | 2018-12-15 | 2020-06-23 | 中石化石油工程技术服务有限公司 | Deepwater underwater leaked oil collecting and storing device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201723870U (en) | Sealless oil pipe joint | |
| CN107654327A (en) | A kind of oil drain cock structure | |
| CN207620952U (en) | A kind of oil drain cock structure | |
| CN206290409U (en) | A kind of vavuum pump jettison gear | |
| CN203868558U (en) | Metal sealing type hydraulic hinge joint | |
| CN203730508U (en) | Oil drainage bolt | |
| CN204004765U (en) | A kind of explosion-proof water tap | |
| CN207145370U (en) | A kind of contractile two-stage hydraulic cylinder of fuel feed pump | |
| CN205217953U (en) | A end cap structure for hot rolling production line | |
| CN106764144B (en) | Flow-adjustable pipe joint | |
| CN205402017U (en) | Vacuum pump station | |
| CN204003757U (en) | A kind of oil hydraulic cylinder without back cylinder cover | |
| CN201714748U (en) | Safety valve for multi-way valve | |
| CN201225469Y (en) | Flange connection parts | |
| CN209164209U (en) | The jettison gear of hydraulic oil container | |
| CN206159685U (en) | Pipe connection | |
| CN208193451U (en) | A kind of Matheson and Dresser joint | |
| CN206988192U (en) | A kind of pump high-pressure overflow valve | |
| CN207830801U (en) | A kind of irrigation conduit coupling | |
| US20160033062A1 (en) | Connector Structure Capable of Effectively Preventing Broken Water Pipe from Spraying Water | |
| CN211924613U (en) | Direct-acting pressure reducing valve for hydraulic system | |
| CN104075024A (en) | Anti-explosion faucet | |
| CN220470725U (en) | Corrosion-resistant fluorine-lined check valve structure | |
| CN205330900U (en) | Hydraulic manual pump | |
| CN209671812U (en) | A kind of articulating joint for plumbing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180202 |