CN101209189B - Safety protecting device for food mixer - Google Patents
Safety protecting device for food mixer Download PDFInfo
- Publication number
- CN101209189B CN101209189B CN2006101554611A CN200610155461A CN101209189B CN 101209189 B CN101209189 B CN 101209189B CN 2006101554611 A CN2006101554611 A CN 2006101554611A CN 200610155461 A CN200610155461 A CN 200610155461A CN 101209189 B CN101209189 B CN 101209189B
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- push rod
- holder
- drive link
- microswitch
- base
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Abstract
The invention relates to a safety protection device of a food blender, including a base, a stirring cup, a circuit, a micro switch, a fixed base and a bottom base which can be screwed in by the lower end of the stirring cup; the fixed base is fixed on the upper part of the base, a hole which is communicated with the base is arranged on the side wall of the fixed base, the interior of the hole is movably penetrated with a push rod, an elastic part is arranged between the outer end of the push rod and the inner wall of the base; the bottom base can be contained and limited in the fixed base, a gap is arranged on the side wall of the bottom base, the upper end of a movable insertion piece can be rotatably connected at the upper part of the gap, the outer side surface of the movable insertion piece is contacted with the push rod, and the inner side surface of the piece is matched with the lower end of the stirring cup; a transmission rod is arranged in the base, the middle part of the transmission rod can be rotatably connected in the base, the upper end of the transmission rod is contacted with the upper end of the push rod, and the lower end of the transmission rod is directly or indirectly contacted with a contact of the micro switch. The device leads the blender not to work even the switch is opened when the stirring cup is not arranged in place on the base, so the invention has the advantage of safe and stable usage.
Description
Technical field
The present invention relates to a kind of safety guard, relate in particular to a kind of safety guard that is used on the agitator for food-making
Background technology
It generally is made up of existing agitator for food-making jar, pedestal, be provided with the circuit of transmission mechanism, the work of control transmission mechanism in the pedestal, the power transmission shaft that is provided with blade in the jar and can links to each other with transmission mechanism in the pedestal, generally also be covered with lid at stirring rim of a cup place, blade is arranged on the power transmission shaft, and can rotate with power transmission shaft.During work, food is put into jar, and jar is placed on the pedestal, at this moment, the power transmission shaft in the jar links to each other with transmission mechanism, and then cover lid is opened switch, and transmission mechanism just drives power transmission shaft and blade rotation, stirs.
Improvement as general agitator for food-making, make its use safer, it is that the Chinese utility model patent " glass fruit juice mixer " of ZL03238253.7 (notification number is CN2662803Y) has disclosed a kind of glass fruit juice mixer that one patent No. is arranged, comprise glass and bowl cover on base, this base, the handle root of described glass is with annular drive link, the terminal adjacent return spring and the microswitch that is fixed on the described base of this drive link; Described drive link is with the drive link shell outward; Described bowl cover edge is extended with bead downwards, covers bowl cover and described bead is contacted the bowl cover turn with described drive link, and bead is to pressing down drive link, and the end of this drive link contacts microswitch, this microswitch closing of contact, and the fruit juice mixer can be worked; The turn bowl cover, its bead breaks away from drive link, and return spring is with the drive link pushed home, and the microswitch contact disconnects, and the fruit juice mixer can not be worked then.This mixer is only covering bowl cover and described bead is being contacted the bowl cover turn with described drive link, and promptly bowl cover is built, and opens switch, and mixer is just started working, if bowl cover is not built, also can not work even open the switch mixer.
No matter be existing common food mixer, or above-mentioned improved mixer, all there is following shortcoming in it, being about to jar is placed on the pedestal, as long as power transmission shaft links to each other with transmission mechanism, open switch, mixer just can carry out stirring work, and in actual the use, it is not in place to exist jar to be placed on the pedestal, and as slightly inclination, it also can carry out work, if jar very stably is not placed on the pedestal, mixer is when work, and jar will produce shake, and the food in the jar just easily spills, even jar also might topple over, and the accident of hurting sb.'s feelings.Even if mixer can be worked reluctantly, because jar tilts or shake, the blade in the jar is not just worked under normal condition, easily makes blade impaired yet.
In sum, existing agitator for food-making also can improve further.
Summary of the invention
Technical problem to be solved by this invention is the safety guard that provides at above-mentioned prior art present situation on a kind of agitator for food-making; this device can make when jar and be placed under the state that does not put in place on the pedestal; also can not work even open the switch mixer, it has stable advantage safe in utilization.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of safety guard of agitator for food-making, include pedestal, jar, and be equipped with the circuit of control mixer work in the pedestal, the power supply of circuit is connected mutually with microswitch; It is characterized in that also comprising holder, can screw in its interior base for the jar lower end; Wherein holder is fixed on pedestal top, have one and the hole that communicates of pedestal on the holder sidewall, activity is equipped with a push rod in this hole, be positioned on the push rod of holder sidewall outside and have the gear structure that anti-throw-out lever enters into holder fully, and between push rod outer end and base internal wall, be provided with the elastic component that push rod is remained stretch into trend in the holder; Base can be ccontaining and spacing in holder, have breach on the base side wall, be provided with movable inserted sheet in breach, the upper end of movable inserted sheet is rotatably connected on breach top, the lateral surface and the push rod of movable inserted sheet are inconsistent, and the medial surface of movable inserted sheet and jar lower end match; In pedestal, be provided with the drive link of a contact push rod and microswitch, in the pedestal that is rotatably connected in the middle part of the drive link, end in contact on the upper end of drive link and the push rod, the lower end of drive link directly or indirectly contacts with the microswitch contact.
Improve further, for making to have only jar is tightened under the state on the base fully, just conducting of circuit also comprises a microswitch in the above-mentioned circuit, and this microswitch is connected mutually with above-mentioned microswitch; And also symmetry has one and the hole that communicates of pedestal on the holder sidewall, activity is equipped with a push rod in this hole, be positioned on the push rod of holder sidewall outside and have the gear structure that anti-throw-out lever enters into holder fully, and between push rod outer end and base internal wall, be provided with the elastic component that push rod is remained stretch into trend in the holder; Symmetry has breach on base side wall, is provided with movable inserted sheet in breach, and the upper end of movable inserted sheet is rotatably connected on breach top, and the lateral surface and the push rod of movable inserted sheet are inconsistent, and the medial surface of movable inserted sheet and jar lower end match; In pedestal, also be provided with the drive link of a described push rod of contact and microswitch, in the pedestal that is rotatably connected in the middle part of the drive link, end in contact on the upper end of drive link and the push rod, the lower end of drive link directly or indirectly contacts with the microswitch contact.So only at two microswitches simultaneously under the conducting states, just conducting of circuit, power supply is just given power on circuitry, so use has more security.
Further improve, be provided with and extend into the corresponding safe retaining wall of push rod in the holder in the above-mentioned holder, the push rod that extend in the holder is positioned at the cavity that safe retaining wall surrounds.Because safe retaining wall encases the push rod side face, and the width of push rod and diameter and cavity is less, and finger can not stretch in the cavity that safe retaining wall surrounds, and plays the finger that prevents the user and is not intended to run into push rod, the maloperation mixer makes it meet the security regulations of the relevant electrical equipment of European Union.
Useful is, the lower end of above-mentioned movable inserted sheet have two parallel interval settings and and the corresponding slot of safe retaining wall, under the state in base is contained in holder, described safe retaining wall is plugged in the slot, and the movable inserted sheet between two slots is inserted in the cavity that safe retaining wall surrounds and push rod is inconsistent.The cooperation of slot and safe retaining wall can also be played the purpose of assist location, guarantees that base is installed in the accuracy on the holder.
Promote drive link for guaranteeing that push rod can be stablized, above-mentioned drive link upper end has the storage tank that can supply push rod laterally to wear, the storage tank side walls is provided with the breach that opening makes progress, the both sides of described push rod respectively have one stretch out and and the pushing part that matches of breach, this pushing part is erected in the breach and rotates to promote drive link.
Be ease of assembly, also be fixed with a support body in the above-mentioned pedestal, described microswitch is fixed on this support body, and described drive link is rotatable to be arranged on this support body.Earlier microswitch, drive link are arranged on the support body during assembling, and then support body is fixed in the pedestal.
Above-mentioned support body with the corresponding position of drive link outside be provided with two walls that are provided with at interval, respectively be provided with a draw-in groove that is mutually symmetrical on two walls, the both sides, middle part of drive link respectively have one stretch out and and the rotation section that matches of draw-in groove, described rotation section is fastened in the draw-in groove rotationally.The more convenient assembling of this kind connected mode also can adopt existing other mode that is rotationally connected to be arranged on the support body certainly, connects as pivot pin.
The above-mentioned upper surface that extend into the push rod in the holder is an ecto-entad and inclined downward.Be convenient to so the movable inserted sheet on the base is inserted the front end that push rod and safe retaining wall surround cavity.
Above-mentioned microswitch comprises a flexure strip, and an end of flexure strip is fixed on microswitch one side, and the other end of flexure strip extends to the front end face of drive link always and in the front end face contact, the contact on the microswitch then contacts with the middle part of flexure strip inner face.Because flexure strip is longer, convenient like this drive link contacts with flexure strip, and promotes the contact with control circuit by flexure strip.
Compared with prior art, the invention has the advantages that: this safety guard must be tightened on the base at jar fully, like this periphery of jar bottom just can promotion activity inserted sheet to extrinsic deflection, because movable inserted sheet is to extrinsic deflection, so overcoming spring force, outwards moves the push rod that promotes to contact with its outer face, and then drive links to each other the drive link upper end to post deflection with push rod, the drive link lower end forward deflection to touch microswitch, the conducting of circuit ability, mixer just can be worked under the state of energising; If jar is not tightened on the base, then movable inserted sheet, push rod, drive link can not touch microswitch, and circuit can not conducting, and whether mixer is switched on and all can not be worked like this.Only be tightened on the base at jar, the work of whole mixer is just more stable, improved the security that mixer uses, and compact conformation is reasonable, volume is little.
Description of drawings
Fig. 1 is the structure cutaway view (under the state that jar and base are not tightened) of the embodiment of the invention;
Fig. 2 is the structure cutaway view (under the state that jar and base are tightened) of the embodiment of the invention;
Fig. 3 is the three-dimensional broken away view (under the state that jar and base are tightened) of the embodiment of the invention;
Fig. 4 is embodiment of the invention operation principle schematic perspective view (jar and base are not tightened and omitted under the state of jar);
Fig. 5 is an embodiment of the invention operation principle schematic perspective view (jar and base are tightened and omitted under the state of jar);
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～5, a kind of safety guard of agitator for food-making, include pedestal 1, jar 2, be equipped with the circuit of transmission mechanism, the work of control mixer in the pedestal 1, the microswitch 3 that has two control circuit break-makes in the circuit, and these two microswitches 3 are series connection, the power supply of circuit is connected with above-mentioned two microswitches 3, circuit also has little process chip, this chip has functions such as control motor break-make and speed governing, this chip can buy on market, is a kind of conventional chip; The power transmission shaft that is provided with blade in the jar 2 and can links to each other with transmission mechanism in the pedestal 1, generally also on jar 2, be covered with lid 21, blade is arranged on the power transmission shaft, and can rotate with power transmission shaft, transmission mechanism has generally comprised motor 14, output shaft etc., above-mentioned these structures are structure common in the general agitator for food-making, so power transmission shaft, blade, circuit, transmission mechanism do not show in the drawings in detail;
Also be fixed with a support body 11 in the pedestal 1, described microswitch 3 is fixed on this support body 11;
This safety guard also comprises holder 5, can screw in its interior base 6 for jar 2 lower ends, has a circular-shaped, concave cavity on the holder 5, one through hole that communicates with base interior is arranged at the bottom of cavity, the profile of described base 6 and above-mentioned cavity match, for placing base 6, be provided with internal thread 61 on the inwall of base 6, the bottom of jar 2 is provided with the external screw thread that matches with above-mentioned internal thread, so that jar 2 lower ends screw in base 6 inside;
Described holder 5 is fixed on pedestal 1 top, on holder 5 sidewalls, have two holes 51 that communicate with pedestal 1, these two holes 51 are symmetrically distributed, activity is equipped with a push rod 7 respectively in above-mentioned each hole 51, the upper surface that extend into the push rod 7 in the holder 5 is an ecto-entad and inclined downward 72, be positioned on the push rod 5 of holder 5 sidewall outsides and have the gear structure that anti-throw-out lever 5 enters into holder 5 fully, this gear structure is for having a step surface 71 on push rod 7, the cross section of step surface 71 is greater than the internal diameter in hole 51, so under the normality, step surface 7 contacts with gear with holder 5 outer walls, and between push rod 7 outer ends and pedestal 1 inwall, be provided with the elastic component 8 that push rod 7 is remained stretch into trend in the holder 5, this elastic component 8 is a spring, also various certainly shell fragments;
Be provided with and extend into the push rod 7 corresponding safe retaining walls 52 in the holder 5 in the holder 5, safe retaining wall 52 surrounds a cavity, and the push rod 7 that extend in the holder 5 is positioned at the cavity that safe retaining wall 52 surrounds;
In pedestal 1, be provided with the drive link 4 of a contact push rod 7 and microswitch 3, drive link 4 middle parts are rotatably connected on the support body 11, the structure that drive link 4 is connected on the support body 11 is: go out to be provided with two walls 12 that are provided with at interval with drive link 4 corresponding positions on support body 11, respectively be provided with a draw-in groove that is mutually symmetrical 13 on two walls 12, the both sides, middle part of drive link 4 respectively have one stretch out and and the rotation section 41 that matches of draw-in groove 13, described rotation section 41 is fastened in the draw-in groove 13 rotationally; Drive link 4 upper ends have the storage tank 42 that can supply push rod 7 laterally to wear, storage tank 42 side walls are provided with the breach 43 that opening makes progress, the both sides of described push rod 7 respectively have one stretch out and and the pushing part 73 that matches of breach 62, this pushing part 73 is erected in the breach 43 and rotates to promote drive link 4; The lower end of drive link 4 and microswitch 3 contacts, 31 mediate contacts, comprise a flexure strip 32 at microswitch 3, one end of flexure strip 32 is fixed on microswitch 3 one sides, the other end of flexure strip 32 extends to the front end face of drive link 4 always and in the front end face contact, the contact 31 on the microswitch 3 then contacts with the middle part of flexure strip 32 inner faces.
The operation principle of present embodiment and process are such:
As Fig. 2,3, shown in 5, when jar 2 is tightened on the base 6 fully, the periphery of jar 2 closely contacts with movable inserted sheet 9 like this, and the medial surface of movable inserted sheet 9 is protruding in base 6 sidewalls, like this jar 2 just can promotion activity inserted sheet 9 to extrinsic deflection, the lateral surface of movable inserted sheet 9 then contacts with push rod 7, so when movable inserted sheet 9 to extrinsic deflection, just the push rod 7 that promotes to contact with its outer face overcomes spring 8 elastic force and outwards moves, and then drive links to each other drive link 4 upper ends to extrinsic deflection with push rod 7, drive link 4 lower end deflect inward are to promote flexure strip 32 simultaneously, flexure strip 32 is around bearing's deflect inward of itself and microswitch 3, and to touch microswitch 3 upper contacts 31, circuit forms the loop, circuit just has working power, and this moment, mixer just can be worked under the state of energising;
Shown in Fig. 1,4, if jar 2 is not tightened on the base 6, then jar 2 can not promotion activity inserted sheet 9, push rod 7, drive link 4 actions, the contact 31 that also just can not touch microswitch 3, circuit can not conducting, and whether mixer is switched on and all can not be worked like this.
Claims (8)
1. the safety guard of an agitator for food-making includes pedestal, jar, is equipped with the circuit of control mixer work in the pedestal, and the power supply of circuit is connected mutually with first microswitch;
It is characterized in that also comprising holder, can screw in its interior base for the jar lower end;
Wherein holder is fixed on pedestal top, have one and first hole that communicates of pedestal on the holder sidewall, activity is equipped with one first push rod in this first hole, be positioned to have on first push rod of holder sidewall outside and prevent that first push rod from entering into the gear structure of holder fully, and between the first push rod outer end and base internal wall, be provided with first elastic component that first push rod is remained stretch into trend in the holder;
Base can be ccontaining and spacing in holder, have first breach on the base side wall, in first breach, be provided with the first movable inserted sheet, the upper end of the first movable inserted sheet is rotatably connected on the first breach top, the lateral surface of the first movable inserted sheet and first push rod are inconsistent, and the medial surface of the first movable inserted sheet and jar lower end match;
In pedestal, be provided with first drive link of contact first push rod and first microswitch, first drive link middle part is rotatably connected in the pedestal, end in contact on the upper end of first drive link and first push rod, the lower end of first drive link directly or indirectly contacts with the first microswitch contact;
Be provided with and extend into the first push rod corresponding first safe retaining wall in the holder in the described holder, first push rod that extend in the holder is positioned at the cavity that the first safe retaining wall surrounds.
2. the safety guard of agitator for food-making according to claim 1 is characterized in that also comprising in the described circuit one second microswitch, and this second microswitch is connected mutually with above-mentioned first microswitch;
And on the holder sidewall, also have one with described first hole symmetry and and second hole that communicates of pedestal, activity is equipped with one second push rod in this second hole, be positioned to have on second push rod of holder sidewall outside and prevent that second push rod from entering into the gear structure of holder fully, and between the second push rod outer end and base internal wall, be provided with second elastic component that second push rod is remained stretch into trend in the holder;
On base side wall, have and symmetrically arranged second breach of first breach, in second breach, be provided with the second movable inserted sheet, the upper end of the second movable inserted sheet is rotatably connected on the second breach top, the lateral surface of the second movable inserted sheet and second push rod are inconsistent, and the medial surface of the second movable inserted sheet and jar lower end match;
In pedestal, also be provided with second drive link of described second push rod of contact and second microswitch, second drive link middle part is rotatably connected in the pedestal, end in contact on the upper end of second drive link and second push rod, the lower end of second drive link directly or indirectly contacts with the second microswitch contact;
Be provided with and extend into the second push rod corresponding second safe retaining wall in the holder in the described holder, second push rod that extend in the holder is positioned at the cavity that the second safe retaining wall surrounds.
3. the safety guard of agitator for food-making according to claim 2, the lower end that it is characterized in that the described first movable inserted sheet have two parallel interval settings and and corresponding first slot of the first safe retaining wall, under the state in base is contained in holder, the described first safe retaining wall is plugged in first slot, and the first movable inserted sheet between two first slots is inserted in the cavity that the first safe retaining wall surrounds and first push rod is inconsistent;
The lower end of the described second movable inserted sheet have two parallel interval settings and and corresponding second slot of the second safe retaining wall, under the state in base is contained in holder, the described second safe retaining wall is plugged in second slot, and the second movable inserted sheet between two second slots is inserted in the cavity that the second safe retaining wall surrounds and second push rod is inconsistent.
4. the safety guard of agitator for food-making according to claim 2, it is characterized in that described first drive link upper end has first storage tank that can supply first push rod laterally to wear, the first storage tank side walls is provided with the 3rd breach that opening makes progress, the both sides of described first push rod respectively have one stretch out and and first pushing part that matches of the 3rd breach, this first pushing part is erected in first breach and rotates to promote first drive link;
Described second drive link upper end has second storage tank that can supply second push rod laterally to wear, the second storage tank side walls is provided with the 4th breach that opening makes progress, the both sides of described second push rod respectively have one stretch out and and second pushing part that matches of the 4th breach, this second pushing part is erected in second breach and rotates to promote second drive link.
5. the safety guard of agitator for food-making according to claim 2, it is characterized in that being fixed with in the described pedestal one first support body, described first microswitch is fixed on this first support body, and described first drive link is rotatable to be arranged on this first support body; Also be fixed with one second support body in the described pedestal, described second microswitch is fixed on this second support body, and described second drive link is rotatable to be arranged on this second support body.
6. the safety guard of agitator for food-making according to claim 5, it is characterized in that described first support body with the corresponding position of first drive link outside be provided with two first walls that are provided with at interval, respectively be provided with one first draw-in groove on two first walls, these two first draw-in grooves are mutually symmetrical, the both sides, middle part of first drive link respectively have one stretch out and and first rotation section that matches of first draw-in groove, described first rotation section is fastened in first draw-in groove rotationally;
Described second support body with the corresponding position of second drive link outside be provided with two second walls that are provided with at interval, respectively be provided with one second draw-in groove on two second walls, these two second draw-in grooves are mutually symmetrical, the both sides, middle part of second drive link respectively have one stretch out and and second rotation section that matches of second draw-in groove, described second rotation section is fastened in second draw-in groove rotationally.
7. the safety guard of agitator for food-making according to claim 5 is characterized in that the described upper surface that extend into first push rod in the holder is an ecto-entad and inclined downward; The described upper surface that extend into second push rod in the holder is an ecto-entad and inclined downward.
8. the safety guard of agitator for food-making according to claim 2, it is characterized in that described first microswitch comprises one first flexure strip, one end of first flexure strip is fixed on first microswitch, one side, the other end of first flexure strip extends to the front end face of first drive link always and in the front end face contact, the contact on first microswitch then contacts with the middle part of the first flexure strip inner face;
Described second microswitch comprises one second flexure strip, one end of second flexure strip is fixed on second microswitch, one side, the other end of second flexure strip extends to the front end face of second drive link always and in the front end face contact, the contact on second microswitch then contacts with the middle part of the second flexure strip inner face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101554611A CN101209189B (en) | 2006-12-26 | 2006-12-26 | Safety protecting device for food mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101554611A CN101209189B (en) | 2006-12-26 | 2006-12-26 | Safety protecting device for food mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101209189A CN101209189A (en) | 2008-07-02 |
| CN101209189B true CN101209189B (en) | 2010-10-06 |
Family
ID=39609569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101554611A Expired - Fee Related CN101209189B (en) | 2006-12-26 | 2006-12-26 | Safety protecting device for food mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101209189B (en) |
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| HK1152617A2 (en) * | 2011-10-14 | 2012-03-02 | Lung Wai Choi | Garment steamer |
| CN107088003B (en) * | 2016-02-17 | 2023-09-26 | 广东美的生活电器制造有限公司 | food mixer |
| CN107440556A (en) * | 2016-05-18 | 2017-12-08 | 王文雄 | A kind of multifunctional intellectual cook machine |
| WO2018045850A1 (en) * | 2016-09-07 | 2018-03-15 | 广东美的生活电器制造有限公司 | Food processor |
| AU2016430282A1 (en) * | 2016-11-24 | 2019-05-30 | Sharkninja Operating Llc | Blender interlock |
| CN108852059A (en) * | 2017-08-13 | 2018-11-23 | 广东小厨科技有限公司 | Cooking machine |
| CN109381065A (en) * | 2017-08-14 | 2019-02-26 | 广东美的生活电器制造有限公司 | Frame component and food processor |
| CN107854007B (en) * | 2017-11-28 | 2024-04-02 | 佛山市顺德区毅鸣佳塑料有限公司 | Food processor cup and mounting seat connection structure |
| CN108030205B (en) * | 2018-01-11 | 2024-05-03 | 李成徯 | Using method of wiping and shrinking device of wet umbrella |
| CN109645855B (en) * | 2018-12-28 | 2020-11-10 | 王治军 | Protection mechanism of cooking machine |
| CN111681511A (en) * | 2020-06-30 | 2020-09-18 | 梧州市金正原电子科技有限公司 | Spark plug demonstration machine |
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| CN101209189A (en) | 2008-07-02 |
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Owner name: CIXI XIBEILE ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: SUN SHANQING Effective date: 20100521 |
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