CN108506065A - Magnetic suction type oil drain plug structure of engine oil pan and manufacturing process thereof - Google Patents

Magnetic suction type oil drain plug structure of engine oil pan and manufacturing process thereof Download PDF

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Publication number
CN108506065A
CN108506065A CN201810349715.6A CN201810349715A CN108506065A CN 108506065 A CN108506065 A CN 108506065A CN 201810349715 A CN201810349715 A CN 201810349715A CN 108506065 A CN108506065 A CN 108506065A
Authority
CN
China
Prior art keywords
plug screw
magnet
chamber
column
purge cock
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.)
Pending
Application number
CN201810349715.6A
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Chinese (zh)
Inventor
邓学勤
邹智欧
国玉莹
马磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Trucks Co ltd
Original Assignee
Dongfeng Trucks Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongfeng Trucks Co ltd filed Critical Dongfeng Trucks Co ltd
Priority to CN201810349715.6A priority Critical patent/CN108506065A/en
Publication of CN108506065A publication Critical patent/CN108506065A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/04Filling or draining lubricant of or from machines or engines
    • F01M11/0408Sump drainage devices, e.g. valves, plugs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/04Filling or draining lubricant of or from machines or engines
    • F01M11/0408Sump drainage devices, e.g. valves, plugs
    • F01M2011/0416Plugs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The utility model provides a type engine oil drain pan oil drain plug structure is inhaled to magnetism, includes the plug head and the plug post that mutually perpendicular connects, the inner column chamber has been seted up at the position on nearly its top in the plug post, and the bottom in inner column chamber is provided with magnet, and the space that the inner column intracavity lies in on the magnet is for storing up bits chamber, is provided with two at least indent structures on the outer wall in storage bits chamber, the outside at the position of nearly plug post, plug head handing-over department can be overlapped and be equipped with one and vulcanize the oil drain plug gasket as an organic whole by metal outer loop, rubber inner ring on the plug post, still can set up interior hexagonal hole in the plug head. This design not only possesses function, the function of adsorbing and storing iron fillings in the machine oil various, fixed effect stronger to magnet, can realize long-term effectual sealed moreover, both can tear open outward also interior tearing open, and accommodation is wider.

Description

A kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process
Technical field
The present invention relates to a kind of purge cock structures, belong to engine and related system field more particularly to a kind of magnetic H type engine h oil drain plug of oil pan structure and its manufacturing process, it is particularly applicable to enhance the diversification of purge cock function.
Background technology
Engine is needed to replace oil sump inner engine oil, be removed by tools such as spanners when reaching service cycle Purge cock releases internal machine oil on oil sump, then screws purge cock, refills new machine oil.Engine currently on the market Purge cock generally use outer-hexagonal hook bolt structure, is used cooperatively with metal gasket, reaches sealing oil sump bottom and dismounting It drains the oil function.
Authorization Notice No. is CN203856541U, and authorized announcement date is that the utility model patent on October 1st, 2014 discloses A kind of oil drain plug of oil pan is mounted on drain oil set by the oil sump, the drain oil by unthreaded hole and with the light The threaded hole that hole connects is constituted;Described purge cock one end and the threaded hole are threadedly coupled, the purge cock other end and The unthreaded hole is tightly connected.Although the design can ensure that purge cock generates sealing performance, it still has following defect:
Purge cock in the design has a single function, and the simple part of oil sump inner engine oil can only be released as sealing and dismounting.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without It should be considered as recognizing or implying in any form that information composition has been the existing skill well known to persons skilled in the art Art.
Invention content
The purpose of the present invention is overcome the problems, such as the defect existing in the prior art having a single function and, it is more to provide a kind of function The magnetic attraction engine sump tank purge cock structure and its manufacturing process of sample.
In order to achieve the above object, technical solution of the invention is:A kind of magnetic attraction engine sump tank purge cock Structure, including plug screw head and plug screw column, the bottom end of the plug screw column and the top surface vertical connection of plug screw head, and the diameter of plug screw head More than the diameter of plug screw column;
The position on its nearly top offers inner prop chamber in the plug screw column, and the bottom of the inner prop chamber is provided with magnet, the body of magnet For product less than the volume of inner prop chamber, it is storage bits chamber that inner prop intracavitary, which is located at the space on magnet,;On the inner wall of the inner prop chamber with magnetic It is interference fit between the position and magnet of iron phase contact, the position of closely storage bits chamber is provided at least two on the outer wall of inner prop chamber Concave inward structure, the concave inward structure intersect with the top surface of plug screw column and become imploded arcs.
The quantity of the concave inward structure is three, and is arranged along same even circumferential.
The plug screw column include diameter be sequentially increased column body, middle column body, lower prop, the bottom end of the lower prop and spiral shell The top of the top surface vertical connection of chock plug, lower prop is connected through middle column body with the bottom end of column body, is offered in column body interior The same inner prop chamber is offered in column chamber or column body, middle column body altogether.
Nearly plug screw column on the plug screw column, plug screw head junction the outer cover at position set that there are one the purge cocks of annular Gasket, the purge cock gasket include metal outer shroud and rubber inner ring, the outer shroud of the inner ring surface and rubber inner ring of metal outer shroud Face is connected with each other, and the inner ring surface of rubber inner ring is set in the periphery of plug screw column.
Joining Technology between the metal outer shroud and rubber inner ring is vulcanization.
The inner ring surface of the rubber inner ring is connected with the interior external annulus for stretching ring plate, and the internal ring wall for inside stretching ring plate is set in spiral shell The periphery of stick harness, and it is interior stretch ring plate, the junction of rubber inner ring is located at the center position of rubber inner ring.
The outer periphery of the plug screw head is outer-hexagonal header structure, and Hexagon hole is offered in plug screw head, the Hexagon hole One end is located at the inside of plug screw head, the bottom surface flush of the other end and plug screw head.
A kind of manufacturing process of above-mentioned magnetic attraction engine sump tank purge cock structure, the manufacturing process includes magnet Placement step, the placement step of the magnet refers to:
First the position on its top close in plug screw column opens up out inner prop chamber, then magnet is filled in inner prop chamber, until the bottom of magnet Face is in contact with the bottom surface of inner prop chamber, at this point, it is storage bits chamber that inner prop intracavitary, which is located at the space on magnet, then on inner prop chamber The outer wall at the position of nearly storage bits chamber is squeezed, so that outer wall is inwardly gradually recessed, to gradually be clamped to magnet, until inner prop The inner wall of chamber is formed with magnet and is interference fitted, meanwhile, concave inward structure is formed.
The extrusion operation is completed by compaction tool.
Compared with prior art, beneficial effects of the present invention are:
1, in a kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process of the invention, its nearly top in plug screw column The position at end offers inner prop chamber, and the bottom of inner prop chamber is provided with magnet, and it is that storage is considered to be worth doing that inner prop intracavitary, which is located at the space on magnet, Chamber in use, magnet can effectively adsorb the iron filings being mixed into machine oil that abrasion generates in engine work, and stores it in storage It considers intracavitary to be worth doing, when engine, which carries out maintenance, changes oil, the iron filings of storage bits intracavitary can be cleared up after removing purge cock, to Ensure the cleannes of machine oil, improve engine condition, improves engine life.Therefore, the present invention in purge cock work( Can be various, have absorption and stores the function of iron filings in machine oil.
2, in a kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process of the invention, the bottom of inner prop chamber It is provided with magnet, is interference fit, the outer wall of inner prop chamber between the position being in contact with magnet and magnet on the inner wall of inner prop chamber The position of upper nearly storage bits chamber is provided at least two concave inward structures, which can make magnet is firm to be fixed in inner prop chamber, It avoids magnet caused by rear thread loosening is used for a long time from falling, causes the hidden danger of engine catastrophe failure.Therefore, the present invention is to magnetic The fixed effect of iron is stronger, and safety is higher.
3, in a kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process of the invention, nearly spiral shell on plug screw column Stick harness, plug screw head junction the outer cover at position set there are one the purge cock gasket of annular, which includes Rubber inner ring and its external metal outer shroud being arranged, not only sealing performance is preferable for the compound gasket of this kind of metallic framework rubber, and And can repeatedly use, can meet the needs of repeatedly dismantling uses, so that it is guaranteed that permanently effective sealing.Therefore, this hair Bright not only sealing performance is stronger, but also can realize permanently effective sealing.
4, in a kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process of the invention, the periphery of plug screw head Side is outer-hexagonal header structure, offers Hexagon hole in plug screw head, one end of the Hexagon hole is located at the inside of plug screw head, another The bottom surface flush at end and plug screw head, the design make this purge cock that can meet outer hexagonal spanner and allen wrench simultaneously and make With the tools range that disassembly and installation can be selected is larger, avoids under emergency because of the problem of tool, which lacks, to be operated. Therefore, the present invention can both tear open outside and also in tear open, application range is wider.
5, in a kind of magnetic attraction engine sump tank purge cock structure and its manufacturing process of the invention, on to inner prop chamber When the outer wall at the position of nearly storage bits chamber is squeezed, extrusion operation can be completed by live common compaction tool, not only squeeze effect Fruit is preferable so that loose or dislocation is not susceptible between magnet and purge cock ontology, and production efficiency is high.Therefore, of the invention Not only safety is stronger, but also producing efficiency is higher.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention.
Dimensional structure diagram when Fig. 2 is Fig. 1 Right deviations.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the vertical view of purge cock gasket in Fig. 1.
Fig. 6 is Fig. 5 in A --- the sectional view in the directions A.
In figure:Magnet 1, plug screw head 2, outer-hexagonal header structure 21, Hexagon hole 22, plug screw column 3, column body 31, middle column body 32, lower prop 33, inner prop chamber 4, storage bits chamber 41, concave inward structure 42, imploded arcs 43, purge cock gasket 5, metal outer shroud 51, rubber Glue inner ring 52 interior stretches ring plate 53.
Specific implementation mode
Below in conjunction with description of the drawings, the present invention is described in further detail with specific implementation mode.
Referring to Fig. 1 to Fig. 6, a kind of magnetic attraction engine sump tank purge cock structure, including plug screw head 2 and plug screw column 3, The bottom end of the plug screw column 3 and the top surface vertical connection of plug screw head 2, and the diameter of plug screw head 2 is more than the diameter of plug screw column 3;
The position on its nearly top offers inner prop chamber 4 in the plug screw column 3, and the bottom of the inner prop chamber 4 is provided with magnet 1, magnet 1 Volume be less than the volume of inner prop chamber 4, the space in inner prop chamber 4 on magnet 1 is storage bits chamber 41;The inner prop chamber 4 It is interference fit between the position being in contact with magnet 1 on inner wall and magnet 1, closely the portion of chamber 41 is considered in storage to be worth doing on the outer wall of inner prop chamber 4 Position is provided at least two concave inward structures 42, which intersects with the top surface of plug screw column 3 and become imploded arcs 43.
The quantity of the concave inward structure 42 is three, and is arranged along same even circumferential.
The plug screw column 3 include diameter be sequentially increased column body 31, middle column body 32, lower prop 33, the lower prop 33 Bottom end and plug screw head 2 top surface vertical connection, the top of lower prop 33 is connected through middle column body 32 with the bottom end of column body 31, It is offered in column body 31 in inner prop chamber 4 or column body 31, middle column body 32 and offers the same inner prop chamber 4 altogether.
Nearly plug screw column 3 on the plug screw column 3,2 junction of plug screw head the outer cover at position set draining the oil there are one annular Plug screw gasket 5, the purge cock gasket 5 include metal outer shroud 51 and rubber inner ring 52, the inner ring surface of metal outer shroud 51 and rubber The outer ring surface of glue inner ring 52 is connected with each other, and the inner ring surface of rubber inner ring 52 is set in the periphery of plug screw column 3.
Joining Technology between the metal outer shroud 51 and rubber inner ring 52 is vulcanization.
The inner ring surface of the rubber inner ring 52 is connected with the interior external annulus for stretching ring plate 53, inside stretches the internal ring wall set of ring plate 53 Periphery loaded on plug screw column 3, and it is interior stretch ring plate 53, the junction of rubber inner ring 52 is located at the center position of rubber inner ring 52.
The outer periphery of the plug screw head 2 is outer-hexagonal header structure 21, offers Hexagon hole 22 in plug screw head 2, this interior six One end of corner apertures 22 is located at the inside of plug screw head 2, the bottom surface flush of the other end and plug screw head 2.
A kind of manufacturing process of above-mentioned magnetic attraction engine sump tank purge cock structure, the manufacturing process includes magnet The placement step of 1 placement step, the magnet 1 refers to:
First the position on its top close in plug screw column 3 opens up out inner prop chamber 4, then magnet 1 is filled in inner prop chamber 4, until magnet 1 Bottom surface be in contact with the bottom surface of inner prop chamber 4, at this point, the space in inner prop chamber 4 on the magnet 1 is storage bits chamber 41, then The outer wall at position of closely storage bits chamber 41 on inner prop chamber 4 is squeezed so that outer wall is inwardly gradually recessed, to magnet 1 by It gradually clamps, is interference fitted until the inner wall of inner prop chamber 4 is formed with magnet 1, meanwhile, the formation of concave inward structure 42.
The extrusion operation is completed by compaction tool.
The principle of the present invention is described as follows:
Referring to Fig. 1 to Fig. 6, the present invention supplements existing purge cock function and perfect, increases magnetic on purge cock Property structure, effectively can adsorb and store engine work in abrasion generate the iron filings being mixed into machine oil.Putting in the present invention Whelk choker block piece uses the compound mat structure of metallic framework rubber, and main body is metal outer shroud, and vulcanizing on its inner ring surface has rubber Inner ring, the guarantee sealing which can be permanently effective, and can repeatedly use.Plug screw head in the present invention Using outer-hexagonal structure, and increase the Hexagon hole used for allen wrench in the inside of hexagonal spiro plug head, this is put in this way Whelk plug is wider relative to the common purge cock scope of application in operation instrument, can meet outer hexagonal spanner and interior hexagonal simultaneously Spanner uses.The position on its nearly top is hollow-core construction on plug screw column, and inner set magnet makes magnet using special compaction tool Formed and be interference fitted with the side wall of inner prop chamber, make magnet it is firm be fixed on inner prop intracavitary, which is avoided that makes for a long time Cause magnet to fall with rear thread loosening, causes the hidden danger of engine catastrophe failure.One is formed at the top of purge cock simultaneously Storage bits chamber, can by the iron adsorption in machine oil and be fixed on the storage consider to be worth doing intracavitary, when engine carry out maintenance change oil when, remove and drain the oil The iron filings of storage bits intracavitary can be cleared up after plug screw.
Embodiment 1:
Referring to Fig. 1 to Fig. 6, a kind of magnetic attraction engine sump tank purge cock structure, including plug screw head 2 and plug screw column 3, it is described The bottom end of plug screw column 3 and the top surface vertical connection of plug screw head 2, and the diameter of plug screw head 2 is more than the diameter of plug screw column 3;The spiral shell The position on its nearly top offers inner prop chamber 4 in stick harness 3, and the bottom of the inner prop chamber 4 is provided with magnet 1, and the volume of magnet 1 is less than The volume of inner prop chamber 4, the interior space on magnet 1 of inner prop chamber 4 are storage bits chamber 41;On the inner wall of the inner prop chamber 4 with magnetic Be interference fit between the position that iron 1 is in contact and magnet 1, on the outer wall of inner prop chamber 4 position of closely storage bits chamber 41 be provided with to Few two concave inward structures 42, the concave inward structure 42 intersect with the top surface of plug screw column 3 and become imploded arcs 43.It is preferred that concave inward structure 42 Quantity be three, and along same even circumferential be arranged.
A kind of manufacturing process of above-mentioned magnetic attraction engine sump tank purge cock structure, the manufacturing process includes magnet The placement step of 1 placement step, the magnet 1 refers to:First the position on its top close in plug screw column 3 opens up out inner prop chamber 4, then Magnet 1 is filled in inner prop chamber 4, until the bottom surface of magnet 1 is in contact with the bottom surface of inner prop chamber 4, at this point, being located in inner prop chamber 4 Space on magnet 1 is storage bits chamber 41, is then squeezed the outer wall at the closely position of storage bits chamber 41 on inner prop chamber 4, so that Outer wall is inwardly gradually recessed, to gradually be clamped to magnet 1, until the inner wall of inner prop chamber 4 is with the formation interference fit of magnet 1 Can, meanwhile, the formation of concave inward structure 42.It is preferred that extrusion operation is completed by compaction tool.
Embodiment 2:
Substance with embodiment 1, the difference is that:
The plug screw column 3 include diameter be sequentially increased column body 31, middle column body 32, lower prop 33, the bottom of the lower prop 33 The top surface vertical connection at end and plug screw head 2, the top of lower prop 33 are connected through middle column body 32 with the bottom end of column body 31, upper prop It is offered in body 31 in inner prop chamber 4 or column body 31, middle column body 32 and offers the same inner prop chamber 4 altogether.
Embodiment 3:
Substance with embodiment 1, the difference is that:
Nearly plug screw column 3 on the plug screw column 3,2 junction of plug screw head the outer cover at position set that there are one the purge cocks of annular Gasket 5, the purge cock gasket 5 include metal outer shroud 51 and rubber inner ring 52, in the inner ring surface and rubber of metal outer shroud 51 The outer ring surface of ring 52 is connected with each other, and the inner ring surface of rubber inner ring 52 is set in the periphery of plug screw column 3.It is preferred that metal outer shroud 51 and rubber Joining Technology between glue inner ring 52 is vulcanization.
Embodiment 4:
Substance with embodiment 3, the difference is that:
The inner ring surface of the rubber inner ring 52 is connected with the interior external annulus for stretching ring plate 53, and the internal ring wall for inside stretching ring plate 53 is set in The periphery of plug screw column 3, and it is interior stretch ring plate 53, the junction of rubber inner ring 52 is located at the center position of rubber inner ring 52.
Embodiment 5:
Substance with embodiment 1, the difference is that:
The outer periphery of the plug screw head 2 is outer-hexagonal header structure 21, offers Hexagon hole 22 in plug screw head 2, the Hexagon hole 22 one end is located at the inside of plug screw head 2, the bottom surface flush of the other end and plug screw head 2.

Claims (9)

1. a kind of magnetic attraction engine sump tank purge cock structure, including plug screw head(2)With plug screw column(3), the plug screw column (3)Bottom end and plug screw head(2)Top surface vertical connection, and plug screw head(2)Diameter be more than plug screw column(3)Diameter, it is special Sign is:
The plug screw column(3)The position on its interior nearly top offers inner prop chamber(4), the inner prop chamber(4)Bottom be provided with magnet (1), magnet(1)Volume be less than inner prop chamber(4)Volume, inner prop chamber(4)It is interior to be located at magnet(1)On space be storage bits chamber (41);The inner prop chamber(4)Inner wall on magnet(1)The position being in contact and magnet(1)Between for interference fit, inner prop chamber (4)Outer wall on closely storage bits chamber(41)Position be provided at least two concave inward structures(42), the concave inward structure(42)With plug screw Column(3)Top surface intersection and become imploded arcs(43).
2. a kind of magnetic attraction engine sump tank purge cock structure according to claim 1, it is characterised in that:In described Recessed structure(42)Quantity be three, and along same even circumferential be arranged.
3. a kind of magnetic attraction engine sump tank purge cock structure according to claim 1 or 2, it is characterised in that:Institute State plug screw column(3)The column body being sequentially increased including diameter(31), middle column body(32), lower prop(33), the lower prop(33) Bottom end and plug screw head(2)Top surface vertical connection, lower prop(33)Top through middle column body(32)With column body(31)Bottom End is connected, column body(31)Inside offer inner prop chamber(4)Or column body(31), middle column body(32)It inside offers altogether in same Column chamber(4).
4. a kind of magnetic attraction engine sump tank purge cock structure according to claim 1 or 2, it is characterised in that:Institute State plug screw column(3)Upper nearly plug screw column(3), plug screw head(2)The outer cover at the position of junction set there are one annular purge cock Gasket(5), the purge cock gasket(5)Including metal outer shroud(51)With rubber inner ring(52), metal outer shroud(51)Inner ring Face and rubber inner ring(52)Outer ring surface be connected with each other, rubber inner ring(52)Inner ring surface be set in plug screw column(3)Periphery.
5. a kind of magnetic attraction engine sump tank purge cock structure according to claim 4, it is characterised in that:The gold Belong to outer shroud(51)With rubber inner ring(52)Between Joining Technology be vulcanization.
6. a kind of magnetic attraction engine sump tank purge cock structure according to claim 4, it is characterised in that:The rubber Glue inner ring(52)Inner ring surface with interior stretch ring plate(53)External annulus be connected, inside stretch ring plate(53)Internal ring wall be set in plug screw Column(3)Periphery, and interior stretch ring plate(53), rubber inner ring(52)Junction be located at rubber inner ring(52)Center position.
7. a kind of magnetic attraction engine sump tank purge cock structure according to claim 1 or 2, it is characterised in that:Institute State plug screw head(2)Outer periphery be outer-hexagonal header structure(21), plug screw head(2)Inside offer Hexagon hole(22), the interior hexagonal Hole(22)One end be located at plug screw head(2)Inside, the other end and plug screw head(2)Bottom surface flush.
8. a kind of manufacturing process of magnetic attraction engine sump tank purge cock structure as claimed in claim 1 or 2, feature exist In:The manufacturing process includes magnet(1)Placement step, the magnet(1)Placement step refer to:
First in plug screw column(3)The position on its interior nearly top opens up out inner prop chamber(4), then by magnet(1)Fill in inner prop chamber(4)In, Until magnet(1)Bottom surface and inner prop chamber(4)Bottom surface be in contact, at this point, inner prop chamber(4)It is interior to be located at magnet(1)On sky Between for storage bits chamber(41), then to inner prop chamber(4)Upper nearly storage bits chamber(41)The outer wall at position squeezed so that outer wall is inside Gradually recess, to magnet(1)It gradually clamps, until inner prop chamber(4)Inner wall and magnet(1)Interference fit is formed, Meanwhile concave inward structure(42)It is formed.
9. a kind of manufacturing process of magnetic attraction engine sump tank purge cock structure according to claim 8, feature It is:The extrusion operation is completed by compaction tool.
CN201810349715.6A 2018-04-18 2018-04-18 Magnetic suction type oil drain plug structure of engine oil pan and manufacturing process thereof Pending CN108506065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810349715.6A CN108506065A (en) 2018-04-18 2018-04-18 Magnetic suction type oil drain plug structure of engine oil pan and manufacturing process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810349715.6A CN108506065A (en) 2018-04-18 2018-04-18 Magnetic suction type oil drain plug structure of engine oil pan and manufacturing process thereof

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Publication Number Publication Date
CN108506065A true CN108506065A (en) 2018-09-07

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Application Number Title Priority Date Filing Date
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN109268102A (en) * 2018-10-30 2019-01-25 东风商用车有限公司 Stretching clamping type oil drain blocking system for engine oil pan and using method of system
CN113357368A (en) * 2021-06-18 2021-09-07 浙江瑞利动力科技有限公司 Oil drainage bolt with sealing dustproof structure and use method thereof

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CN203453468U (en) * 2013-09-18 2014-02-26 揭阳市天诚密封件有限公司 Horizontal and vertical dual-seal structured sealing gasket
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CN206111265U (en) * 2016-10-26 2017-04-19 江西腾勒动力有限公司 Oil drain plug screw on car oil pan
CN208330486U (en) * 2018-04-18 2019-01-04 东风商用车有限公司 Magnetic suction type oil drain plug structure of engine oil pan

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Publication number Priority date Publication date Assignee Title
JP2002071025A (en) * 2000-08-30 2002-03-08 Sanden Shoji Kk Gasket and its manufacturing method
US20080135335A1 (en) * 2006-12-08 2008-06-12 General Plug & Manufacturing Company Drain plug
CN202090987U (en) * 2011-05-31 2011-12-28 浙江吉利汽车研究院有限公司 Drain plug of automobile engine
CN203097997U (en) * 2013-03-27 2013-07-31 浙江振华紧固件有限公司 Drain plug of fuel tank
CN203453468U (en) * 2013-09-18 2014-02-26 揭阳市天诚密封件有限公司 Horizontal and vertical dual-seal structured sealing gasket
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109268102A (en) * 2018-10-30 2019-01-25 东风商用车有限公司 Stretching clamping type oil drain blocking system for engine oil pan and using method of system
CN109268102B (en) * 2018-10-30 2023-12-19 东风商用车有限公司 Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof
CN113357368A (en) * 2021-06-18 2021-09-07 浙江瑞利动力科技有限公司 Oil drainage bolt with sealing dustproof structure and use method thereof
CN113357368B (en) * 2021-06-18 2024-03-12 浙江瑞利动力科技有限公司 Oil drain bolt with sealing dustproof structure and use method thereof

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