CN106541108A - A kind of oil sump mould - Google Patents
A kind of oil sump mould Download PDFInfo
- Publication number
- CN106541108A CN106541108A CN201710038705.6A CN201710038705A CN106541108A CN 106541108 A CN106541108 A CN 106541108A CN 201710038705 A CN201710038705 A CN 201710038705A CN 106541108 A CN106541108 A CN 106541108A
- Authority
- CN
- China
- Prior art keywords
- mould
- oil sump
- core
- moving
- cover half
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/007—Semi-solid pressure die casting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention discloses a kind of oil sump mould, and for solving to occur the defects such as loose, shrinkage cavity near oil sump screwed hole, the oil sump mould includes：Moving-mould-core, the moving-mould-core are provided with oil sump die；Cover half core, the cover half core are provided with oil sump punch, the moving-mould-core and formation oil sump forming recess during the cover half core matched moulds；Compression assemblies, the compression assemblies include squeeze pin, extruding guide, fixed block, contiguous block, the moving-mould-core is provided with the squeezing passage for installing compression assemblies, the squeezing passage is counterbore, the squeeze pin be socketed on it is described extruding guide and installation with the squeezing passage in, the fixed block is fixed on the countersunk head portion of the counterbore, the contiguous block and the extruding pin connection, and the contiguous block is for being connected with cylinder piston rod.Gas near oil sump screwed hole is driven out of by the oil sump mould by arranging squeeze pin, it is to avoid occur the defects such as loose, shrinkage cavity near screwed hole.
Description
Technical field
The present invention relates to mould applications, and in particular to a kind of oil sump mould.
Background technology
Oil sump is the lower half of crankcase, is also called lower crankcase, and the effect of oil sump is closed crankcase as storage
The shell of oil groove, prevents impurity from entering, and the lubricating oil that collection and storage are flowed back to by each friction surface of diesel engine, disperses part heat
Amount, prevents oil ageing.Oil sump is stamped to form by sheet metal more, and what shape was complex typically adopts cast iron or aluminium alloy
Cast molding.Which is internal equipped with steady oil baffle, is splashed with avoiding the pasta concussion that diesel engine is caused when jolting from swashing, is conducive to lubricating oil
Contamination precipitation, side are equipped with oil dipstick, for checking oil mass.
The most of cars seen on the market are all wet sumps, oil sump why be named as wet sump be due to
The crankshaft crank and big end of electromotor often rotates a circle in bent axle and all can immerse in the lubricating oil of oil sump once, plays profit
Sliding effect, simultaneously because bent axle runs up, crank throw can all evoke certain oil bloom and mist of oil in immersion oil sump at a high speed every time,
Bent axle and bearing shell are lubricated, referred to as splash lubrication.Liquid level so to lubricating oil in oil sump just has one
Fixed requirement, if too low, crankshaft crank and big end are unable in dip lubrication oil, cause to lack lubrication and smooth bent axle
With connecting rod and bearing shell；If lubricating oil liquid level is too high and bearing can be caused entirely to immerse, increase the rotational resistance of bent axle, most
Cause engine performance to decline eventually, while lubricating oil is easily accessible in cylinder combustion room, cause electromotor burn oil, spark plug product
The problems such as charcoal.
The oil sump of prior art easily occurs loose or contracting during molding, near screwed hole as shown in Figure 1
The defects such as hole.
The content of the invention
In view of this, in order to solve in prior art screw hole nearby oil sump housing occur in forming process it is loose or
Thin hole problem, the present invention provide a kind of mould of squeeze pin, and the squeeze pin is solidified as semisolid in aluminium liquid under the driving of power
When, screwed hole adnexa is extruded, remaining gas is drained by exhaust duct, it is to avoid above-mentioned lacking near screwed hole, occur
Fall into.
It is present disclosure below：
The present invention provides a kind of oil sump mould, including：
Moving-mould-core, the moving-mould-core are provided with oil sump die；
Cover half core, the cover half core are provided with oil sump punch, form oily bottom when the moving-mould-core is with the cover half core matched moulds
Casing forming die cavity；
Compression assemblies, the compression assemblies include squeeze pin, extruding guide, fixed block, contiguous block, and the moving-mould-core is provided with
To the squeezing passage for installing compression assemblies, the squeezing passage is counterbore, and the squeeze pin is socketed on the extruding guide simultaneously
Install with the squeezing passage, the fixed block is fixed on the countersunk head portion of the counterbore, the contiguous block and the squeeze pin
Connection, the contiguous block is for being connected with cylinder piston rod.By compression assemblies being arranged near oil sump screwed hole, work as metal
When liquid is in semifixed state, compression assemblies are moved in moving-mould-core squeezing passage, by screwed hole in the presence of extrusion oil cylinder
Neighbouring gas extrusion is driven out of, so as to avoid screwed hole nearby due to the volume gas problem of complex structure generation.Wherein, squeeze pin
It is connected with contiguous block, for being connected with extrusion oil cylinder, fixed block is used for fixed press guide to contiguous block.
Further, the squeeze pin includes first end and the second end, and the first end non-protruding is in the squeezing passage
Lower openings, second end is connected with the contiguous block.First end is used to catch up with gas, the second end to be used to connect, and first end exists
Move in the squeezing passage of moving-mould-core, this movement is that the contact promotion by the second end with piston rod is completed.
Further, the fixed block is connected with the moving-mould-core securing member.Fixed block is used for fixed press guide, this
Can be fixed using securing member, for example, the fixed block can be fixed using screw or pin etc., so as to extruding guide is fixed
In squeezing passage.
Further, the fixed block is connected by screw with the moving-mould-core.Mode connects for screw reliability and screw belongs to
Standard component, is readily available.
Further, the fixed block is provided with multiple counter sinks.The plurality of counter sink can be used to install multiple screws, screw
Head non-protruding and fixed block so that the surface of fixed block non-protruding and moving-mould-core.
Further, the cover half core is provided with runner.The runner is used to connect cast gate and die cavity, can be according to cast gate and type
The size in chamber etc. arranges the shape and quantity of runner.
Further, the moving-mould-core is provided with water hole.The water hole is used to cool down to be used, and the water hole can be circular port.
Further, the moving-mould-core is provided with multiple centre holes.The centre hole is used for mounting means thimble, and thimble is also named
Push rod, uses for the separation by the oil sump of forming in moving-mould-core, and the centre hole is circular hole, and multiple thimbles are securable to thimble
On plate.
Further, the cover half core is provided with multiple centre holes.The effect of the centre hole on cover half core mountain is with moving-mould-core
Centre hole, for by the oil sump of forming in cover half core separation use.
Further, the fixed block is circular or square.The shape of the fixed block can be different shapes, Ke Yiwei
Circular or square bulk.
Compared with prior art, beneficial effect of the invention is：The present invention is by arranging squeeze pin to screwed hole
Neighbouring moulding section is extruded, so as to drive and exclude by exhaust duct gas near screwed hole out of, it is to avoid screw thread
Occurs the defect of loose or shrinkage cavity near hole.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by to be used needed for embodiment
Accompanying drawing is briefly described, it will be appreciated that the following drawings not illustrate only some embodiments or embodiment of the present invention, therefore not
The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be obtaining other related accompanying drawings according to these accompanying drawings.
Fig. 1 shows the structural representation of oil sump.
Fig. 2 shows the structural representation of oil sump mould.
Fig. 3 shows the mplifying structure schematic diagram in Fig. 2 at A.
Main Reference label declaration：
100- oil sump moulds；
101- squeeze pins；102- extrudes guide；103- fixed blocks；104- contiguous blocks；106- moving-mould-cores；108- cover half cores；
108- oil sump die cavities；
201- piston rods；
301- oil sumps；3011- screwed holes.
Specific embodiment
For the ease of understanding the present invention, oil sump mould is described more fully below with reference to relevant drawings.It is attached
Figure gives the embodiment of oil sump mould, but, oil sump mould can be realized in different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the disclosure to oil sump mould more thorough
Comprehensively.
In describing the invention, it is to be understood that term " on ", D score, " left side " " right side ", "front", "rear", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outward " is based on orientation shown in the drawings or position
Relation is put, the description present invention is for only for ease of and is simplified description, rather than indicated or imply that the device or element of indication are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the feature described with reference to the embodiment or example
It is contained at least one embodiment or example of the present invention.In this manual, the schematic representation of above-mentioned term is differed
Surely identical embodiment or example are referred to.And, the specific features of description, structure, material or feature can be any
Combined in one or more embodiments or example in an appropriate manner.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In describing the invention, unless otherwise prescribed and limit, it should be noted that term " installation ", " being connected ",
" connection ", " connection ", " connection " should be interpreted broadly, for example, it may be mechanical attachment or electrical connection, or two elements
Internal connection, can be joined directly together, it is also possible to be indirectly connected to by intermediary, for one of ordinary skill in the art
For, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 2 and Figure 3, oil sump mould 100 of the invention is used for molded oil pan 301, the oil sump mould 100
Including：
Moving-mould-core 106, the moving-mould-core 106 are provided with 301 die of oil sump；
Cover half core 108, the cover half core 108 are provided with 301 punch of oil sump, the moving-mould-core 106 and the cover half core 108
It is oil sump die cavity 108 that 301 forming recess of oil sump is formed during matched moulds；
Compression assemblies, the compression assemblies include squeeze pin 101, extruding guide 102, fixed block 103, contiguous block 104, institute
State moving-mould-core 106 and be provided with to install the squeezing passage of compression assemblies, the squeezing passage is counterbore, the extruding guide 102
It is connected to the extruding guide 102 and installs with the squeezing passage, the fixed block 103 is fixed on the countersunk head of the counterbore
Portion, the contiguous block 104 are connected with the squeeze pin 101, and the contiguous block 104 is for being connected with cylinder piston rod 201.
Wherein, fixed block 103 is fixed on guide 102 is extruded in the squeezing passage of moving-mould-core 106, and contiguous block 104 connects
The piston rod 201 of squeeze pin 101 and oil cylinder, piston rod 201 can be moved back and forth up and down in the presence of oil cylinder, work as oil sump
When aluminium liquid in 301 die cavities is in semisolid, squeeze pin 101 is urged downwardly into by 201 action of piston rod, and squeeze pin 101 is for spiral shell
Aluminium liquid extruding near pit 3011, remaining gas is discharged elsewhere from being extruded into, attached so as to avoid screwed hole 3011
Situations such as there is loose, shrinkage cavity near housing.
It is illustrated in figure 1 the oil sump 301 of 100 molding of oil sump mould.Wherein, it is provided with moving-mould-core 106
301 die of oil sump, is provided with 301 punch of oil sump on cover half core 108, and punch pours oil sump with being formed during die matched moulds
301 die cavity.
Above-mentioned moving-mould-core 106 is also mavable module core, dynamic model stamen, and it be closely dynamic model to contact with moving-mould-core 106, so-called dynamic model
The part moved in referring to mould, dynamic model are installed in the pulldown bed of lathe, and during work, die sinking, matched moulds and movable lathe bed be together
Motion, dynamic model are called mould.Moving-mould-core 106 be provided with dynamic model simultaneously, moving-mould-core 106 is for forming oily bottom with cover half core 108
301 forming recess of shell, the another side of dynamic model are provided with moving platen, and moving platen is connected with forming machine.
Above-mentioned cover half core 108 is also fixed mold core, cover half stamen, and it be closely cover half to contact with cover half core 108, so-called cover half
Fixed part in mould is referred to, cover half is called lower mould.Cover half core 108 is provided with cover half simultaneously, cover half core 108 is used for
Forming recess is formed with moving-mould-core 106, the another side of cover half is provided with solid plate, and solid plate is connected with forming machine.
Above-mentioned squeeze pin 101 is the part for catching up with gas, in the presence of 101 oil cylinder of squeeze pin, can be in moving-mould-core 106
Through hole in move.
It is that cover half core 108, compression assemblies, the material of moving-mould-core 106 are for the oil sump mould in the present invention easy to understandly
Have 100 molding and there is important impact, specifically, the cover half core 108, compression assemblies, moving-mould-core 106 need to adopt mould material
Material.Mold material selection needs to meet three principles, and mould meets wearability, obdurability, economic serviceability.Wherein, material is wear-resisting
Property is that mould is most basic, one of most important performance.Hardness is the principal element for affecting wearability.Generally, mould zero
The hardness of part is higher, and wear extent is less, and wearability is also better.In addition, wearability also with the species of carbide in material, quantity,
Form, size and distribution are relevant.The working condition of mould is mostly very severe, and some often bear larger impact load, so as to
Cause brittle fracture.To have higher intensity and toughness to prevent mould parts operationally brittle failure suddenly, mould.Mould
Toughness depends primarily on phosphorus content, grain size and the structural state of material.In addition, Jing is must take into when to mold material selection
Ji property this principle, reduce manufacturing cost as much as possible.Therefore, on the premise of performance is met, first from price compared with
Low, with reduces cost.In the present invention, Alloy-steel mold, such as kirsite Cr12, nickel alloy etc. can be adopted.
It should be noted that in the present invention, drive the squeeze pin 101 for oil cylinder, specifically, the piston rod of oil cylinder
201 stepped holes that can be extend in contiguous block 104 are simultaneously contacted with squeeze pin 101, so as to promote the movement of squeeze pin 101.The work
The motion of stopper rod 201 automaton control again, the displacement of its movement and time can be arranged by automaton.
Embodiment 1
In the present embodiment, detailed illustration will be carried out to compression assemblies.
As shown in Figure 2 and Figure 3, compression assemblies of the invention are used for catching up with gas, the mistake of oil sump 301 as shown in Figure 1 in molding
Cheng Zhong, as the structure near screwed hole 3011 is more complicated, causes the gas in aluminium liquid to occur volume gas herein, if not by this
A little gases discharge the quality that will affect oil sump 301 herein, and gas herein can be discharged by compression assemblies, and this discharge is
Completed by extruding aluminium liquid herein, so it is easy to understand that now compression assemblies are arranged near 3011 forming cavity of screwed hole,
3011 forming cavity of screwed hole belongs to a part for 301 forming recess of oil sump.
The squeeze pin 101 of the present invention is set to boss-shaped, and specifically, the squeeze pin 101 includes first end and the second end, its
In, first end is small end, and the first end is shaft-like, for example, is that cylinder is shaft-like, and the first end is installed in squeezing passage, can
To move up and down in squeezing passage.And the second end of the squeeze pin 101 is held for big, second end is connected with contiguous block 104,
Can move in contiguous block 104 at the second end.
The extruding guide 102 of the present invention is used to be socketed squeeze pin 101, while the extruding guide 102 is arranged on moving-mould-core 106
It is interior, play a part of to protect moving-mould-core 106, the extruding guide 102 to be fixed on moving-mould-core 106 by fixed block 103.
Fixed block 103 in the present invention is that, for fixed press guide 102, the fixed block 103 is with moving-mould-core 106 by tight
Firmware is fixed, it is for instance possible to use pin or screw are fixed, this fixation can be fixed using a screw, it is also possible to adopted
Fixed with multiple screws.It should be noted that fixed block 103 can not protrude from moving-mould-core 106, therefore can be in fixed block 103
Upper setting counter sink is simultaneously fixed on fixed block 103 on moving-mould-core 106 using soket head cap screw.It is understood that this is fixed
Block 103 can be square or circular.
The middle contiguous block 104 of the present invention is for connection to the part of piston rod 201 and squeeze pin 101, and contiguous block 104 is provided with
Stepped hole, this stepped hole are counterbore, wherein, the second end of squeeze pin 101 is connected with the stepped hole of the contiguous block 104.Specifically
Squeeze pin 101 can be passed through the connection end, wherein movement of the second end of squeeze pin 101 in contiguous block 104 to be subject to second by ground
The countersunk head portion of end and counterbore limits so which is will not fall in squeezing passage, while mobile link block 104 can be by squeeze pin
101 extract out.The contiguous block 104 can be to think cylindric or cubic, when the contiguous block 104 is cubic, can enter
Row chamfered.
Embodiment 2
In the present embodiment, detailed illustration will be carried out to moving-mould-core 106, cover half core 108.
Runner can be set on cover half core 108, and the runner is used for the forming recess for connecting cast gate and oil sump 301, tool
Body ground, can arrange the quantity and its shape of runner according to size of cast gate and the forming recess of oil sump 301 etc..
The radiating good in order to ensure the mould, can be by the set-point cooling structure on moving-mould-core 106, specifically, can
To arrange blind hole on moving-mould-core 106, use for cooling down, the blind hole can connecting water pipe, such cooling is cooling, it is also possible to
Using hydronic mode, due to constantly charging, cooling, depanning, how long having more than is needed in mould, the temperature of mould is just
Can raise, and be heated to the temperature for being close to raw material (molten metal), the cooled and solidified of the raw material of the high temperature entered will be delayed very much
Slowly, if at this moment part does not have cooled and solidified, if just taking out part, part will deform.The quality of product cannot just be protected
Card, can also affect the efficiency for producing.Measure to mould forced cooling is taken to this people, adds what is cooled to mould
Water channel, leads to upper cooling water, lowers the temperature to by the cooling water of circulation mould, thus can continuously be produced, be carried well
High production efficiency.
Multiple centre holes are also provided with the moving-mould-core 106 of the present invention, for arranging thimble the oil sump by forming
301 ejection moving-mould-cores 106.Meanwhile, also centre hole can be set on cover half core 108, for the oil sump 301 of forming is pushed up
Go out.The centre hole is used to install thimble, and wherein thimble has dome pin, support pin, standard thimble, non-standard thimble etc., in the present invention
In, dome pin can be adopted.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of oil sump mould, for molded oil pan, it is characterised in that include：
Moving-mould-core, the moving-mould-core are provided with oil sump die；
Cover half core, the cover half core are provided with oil sump punch, the moving-mould-core with formed during the cover half core matched moulds oil sump into
Type die cavity；
Compression assemblies, the compression assemblies include squeeze pin, extruding guide, fixed block, contiguous block, the moving-mould-core be provided with to
The squeezing passage of compression assemblies is installed, the squeezing passage is counterbore, the squeeze pin is socketed on the extruding and guide installs
In the squeezing passage, the fixed block is fixed on the countersunk head portion of the counterbore, the contiguous block and the extruding pin connection,
The contiguous block is for being connected with cylinder piston rod.
2. oil sump mould as claimed in claim 1, it is characterised in that the non-abutting of first end of the squeeze pin but be close to institute
The under shed of squeezing passage is stated, second end is connected with the contiguous block.
3. oil sump mould as claimed in claim 1, it is characterised in that the fixed block is connected with the moving-mould-core securing member
Connect.
4. oil sump mould as claimed in claim 3, it is characterised in that the fixed block is connected by screw with the moving-mould-core
Connect.
5. oil sump mould as claimed in claim 4, it is characterised in that the fixed block is provided with multiple counter sinks.
6. oil sump mould as claimed in claim 1, it is characterised in that the cover half core is provided with runner.
7. oil sump mould as claimed in claim 1, it is characterised in that the moving-mould-core is provided with blind hole.
8. oil sump mould as claimed in claim 1, it is characterised in that the moving-mould-core is provided with multiple centre holes.
9. oil sump mould as claimed in claim 1, it is characterised in that the cover half core is provided with multiple centre holes.
10. oil sump mould as claimed in claim 1, it is characterised in that the fixed block is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038705.6A CN106541108A (en) | 2017-01-19 | 2017-01-19 | A kind of oil sump mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710038705.6A CN106541108A (en) | 2017-01-19 | 2017-01-19 | A kind of oil sump mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106541108A true CN106541108A (en) | 2017-03-29 |
Family
ID=58398817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710038705.6A Pending CN106541108A (en) | 2017-01-19 | 2017-01-19 | A kind of oil sump mould |
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| Country | Link |
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| CN (1) | CN106541108A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09253823A (en) * | 1996-03-26 | 1997-09-30 | Olympus Optical Co Ltd | Pressure casting method of molten metal |
| CN201702343U (en) * | 2009-12-31 | 2011-01-12 | 比亚迪股份有限公司 | Die casting device |
| CN203003115U (en) * | 2012-12-28 | 2013-06-19 | 苏州广型模具有限公司 | Die-casting die for manufacturing wind blade |
| CN203044858U (en) * | 2013-02-27 | 2013-07-10 | 宁波臻至机械模具有限公司 | Extrusion forming die-casting mould |
| CN203526510U (en) * | 2013-08-26 | 2014-04-09 | 江苏徐航科技有限公司 | Multipoint local extrusion mechanism of CVT gearbox shell die-casting die |
| CN206578270U (en) * | 2017-01-19 | 2017-10-24 | 苏州金澄精密铸造有限公司 | A kind of oil sump mould |
-
2017
- 2017-01-19 CN CN201710038705.6A patent/CN106541108A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09253823A (en) * | 1996-03-26 | 1997-09-30 | Olympus Optical Co Ltd | Pressure casting method of molten metal |
| CN201702343U (en) * | 2009-12-31 | 2011-01-12 | 比亚迪股份有限公司 | Die casting device |
| CN203003115U (en) * | 2012-12-28 | 2013-06-19 | 苏州广型模具有限公司 | Die-casting die for manufacturing wind blade |
| CN203044858U (en) * | 2013-02-27 | 2013-07-10 | 宁波臻至机械模具有限公司 | Extrusion forming die-casting mould |
| CN203526510U (en) * | 2013-08-26 | 2014-04-09 | 江苏徐航科技有限公司 | Multipoint local extrusion mechanism of CVT gearbox shell die-casting die |
| CN206578270U (en) * | 2017-01-19 | 2017-10-24 | 苏州金澄精密铸造有限公司 | A kind of oil sump mould |
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Application publication date: 20170329 |