CN101886490B - Tamper-proof lock - Google Patents
Tamper-proof lock Download PDFInfo
- Publication number
- CN101886490B CN101886490B CN2009101404675A CN200910140467A CN101886490B CN 101886490 B CN101886490 B CN 101886490B CN 2009101404675 A CN2009101404675 A CN 2009101404675A CN 200910140467 A CN200910140467 A CN 200910140467A CN 101886490 B CN101886490 B CN 101886490B
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- Prior art keywords
- bead seat
- pick
- proof
- hole
- clip plate
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Abstract
The invention discloses a tamper-proof lock consisting of an upper ball seat, a lower ball seat and a locating assembly located between the upper ball seat and the lower ball seat, wherein the locating assembly comprises at least one clamping plate, at least one tamper-proof locating pin and at least one tamper-proof bolt, and the tamper-proof bolt is provided with at least one ring slot in a concave-convex manner. When some one uses an unlocking tool to illegally unlock, the clamping plate may be embedded in the ring slot of a lock rod, thus the illegal unlocking operation can not continue; only when a right key is used for unlocking, each tamper-proof locating pin and the tamper-proof bolt can be pushed for a certain distance in order to further unlock, thereby preventing a man of intention, who uses the unlocking tool, from illegally unlocking, and the tamper-proof lock can effectively protect objects and prevent the objects from being stolen.
Description
Technical field
The present invention relates to a kind of lockset, refer to a kind of pick-proof lock of utilizing unlocking tool to pry open of preventing especially.
Background technology
Lockset is a kind of apparatus of protecting personal belongings, safeguarding individual privacy of can be used to, and opens described lockset thereby rely on the specific keys used with described lockset collocation to be inserted and rotated, and guarantees safety of goods to reach, prevents the effect that is stolen.
Referring to the lockset 70 of a kind of prior art shown in Figure 8, it mainly includes hollow lock shell 71, a upper bead seat 72, a lower bead seat 73 and certain hyte part 74;
Described upper bead seat 72 is arranged among the described lock shell 71; It includes a bizet 721 and a socket part 722; Described bizet 721 is corresponding to a leading section of lock shell 71, its upper edge periphery spacer ring around and axially hole formed therethrough plurality of through holes 723 is arranged, described socket part 722 is extended axially by an end face of described bizet 721 another rearward end towards lock shell 71; And can join with a locking plate (not shown), the external diameter of wherein said socket part 722 is less than the external diameter of described bizet 721;
Described lower bead seat 73 is the cylinder of a hollow; It is set on the socket part 722 of described upper bead seat 72; And it is affixed each other with described lock shell 71; One end face of described lower bead seat 73 is corresponding to the bizet 721 of described upper bead seat 72, and in described end face upper edge the periphery spacer ring around and axially indent form a plurality of blind holes 731, described blind hole 731 respectively with through hole 723 axial corresponding the communicating of upper bead seat 72;
Described positioning component 74 includes the latch 743 of a plurality of alignment pin 741, a plurality of spring 742 and plural number; Described alignment pin 741 is arranged in respectively in the through hole 723 of described upper bead seat 72; Described spring 742 is located at respectively in the blind hole 731 of described lower bead seat 73 with latch 743; And described latch 743 is to receive the ejection of described spring 742 and further protrude in the through hole 723 of described upper bead seat 72 under nature; And then replace each other with described alignment pin 741, this moment, described upper bead seat 72 can't rotate with lower bead seat 73 by described relatively lock shell 71, and described lockset 70 is to be the state of locking.
Further referring to shown in Figure 9; Among use one key 80 is arranged in lock shell 71; And through each latch 743 each spring 742 of compression of each alignment pin 741 drive; The interface that makes described alignment pin 741 and latch 743 is just corresponding to the interface of described upper and lower pearl seat 72,73, and described key 80 just can further drive described upper bead seat 72 and locking plate and together rotated this moment, and made described lockset 70 be the state of a release.
Under the principle of unblanking of understanding this kind lockset 70; Have the inclination the personage as long as use unlocking tool to move each alignment pin 741 and latch 743 by 71 light and slow ground of the front end ejections of lock shell; By virtue of experience progressively test again; When feeling to rotate described upper bead seat 72 a little the time; The interface of described exactly alignment pin 741 and latch 743 moves to the interface place of described upper and lower pearl seat 72,73, and reach the purpose of release this moment as long as a little firmly just turn described upper bead seat 72 again, and then steal article.Thus, lockset 70 just can't effectively reach and be used for protecting article, preventing the effect that article are stolen, so truly have it to treat further improvements.
Summary of the invention
Because the shortcoming of aforementioned prior art, the present invention provides a kind of pick-proof lock, and the lockset unlocking tool capable of using of the present prior art of uncommon so design solution is the shortcoming of release easily.
In order to reach above-mentioned goal of the invention, the technological means that the present invention utilized provides a kind of pick-proof lock, and it includes:
One lock shell;
One upper bead seat, it is inner that it is located at described lock shell, and include a bizet and a socket part, described bizet along the periphery spacer ring around and axially run through and form plurality of through holes;
One lower bead seat; It is set on the socket part of described upper bead seat; And it is inner and affixed mutually with described lock shell facies to be located at described lock shell, described lower bead seat corresponding to an inner face upper edge periphery spacer ring of the bizet of described upper bead seat around and axially indent form a plurality of blind holes;
At least one clip plate; It is set on the socket part of described upper bead seat; And between the bizet and described lower bead seat of described upper bead seat; Form at least one pick-proof hole on the described clip plate, the through hole of described pick-proof hole and aforementioned upper bead seat and the blind hole of lower bead seat are corresponding and be connected, and the internal diameter in described pick-proof hole is less than the internal diameter of the blind hole of the through hole of described upper bead seat and lower bead seat;
Certain hyte part; It includes at least one pick-proof alignment pin in the through hole that is located at described upper bead seat and is located at a plurality of elastic components and at least one pick-proof latch in the blind hole of described lower bead seat; One inner end of described pick-proof alignment pin is corresponding to the bizet inner face of upper bead seat; And the external diameter of described inner end matches with the pick-proof hole of described clip plate; And can be arranged in the pick-proof hole of described clip plate; Described pick-proof latch has a stop section, and the external diameter of described stop section is greater than the internal diameter in the pick-proof hole of described clip plate, and replaces each other and be resisted against on the described clip plate with described elastic component; A wherein distal process of described stop section is stretched a locking bar is arranged; Indent forms at least one annular groove on the ring wall face of described locking bar, and the external diameter that is not formed with the annular groove place on the described locking bar matches with the pick-proof hole of described clip plate and can run through the pick-proof hole of described clip plate, and then protrudes in the through hole of described upper bead seat and replace each other with described pick-proof alignment pin.
Rely on above-mentioned design, pick-proof lock of the present invention only when using correct key, can be passed a particular distance with each pick-proof alignment pin and pick-proof latch, with further release;
Use unlocking tool progressively each pick-proof alignment pin of ejection and pick-proof latch as the people; And feel in the time of to rotate described upper bead seat a little; It might be the pick-proof hole that annular groove correspondence on the locking bar of just described pick-proof latch is positioned at the clip plate; In a single day rotate upper bead seat this moment, only the clip plate is embedded in the annular groove of described locking bar, not only can't further carry out release; Also can't the backward rotation upper bead seat come to test again the position of the interface of described pick-proof alignment pin and pick-proof latch; Down have to abandon the illegal release mode of this kind crag-fast,, pick-proof lock of the present invention can effectively be reached protect article, prevent the effect that article are stolen so can effectively reach the purpose of avoiding personage intentionally to utilize the illegal release of unlocking tool.
Description of drawings
Fig. 1 is a stereo appearance figure of the present invention;
Fig. 2 is a three-dimensional exploded view of the present invention;
Fig. 3 is another three-dimensional exploded view of the present invention;
Fig. 4 is the side-looking portion of element sectional drawing of the present invention at locking state;
Fig. 5 is the side-looking portion of element sectional drawing of the present invention in the false release position;
Fig. 6 is the side-looking portion of element sectional drawing of the present invention at released state;
Fig. 7 is the side-looking portion of element sectional drawing of another embodiment of the present invention at locking state;
Fig. 8 is the side-looking portion of element sectional drawing of the lockset of prior art at locking state;
Fig. 9 is the side-looking portion of element sectional drawing of the lockset of prior art at released state.
Description of reference numerals: 10-locks shell; The 11-accommodation space; The 20-upper bead seat; The 21-bizet; 211-; The 211A-through hole; The 212A-necking section; The 22-socket part; The 23-contraposition part; The 30-lower bead seat; The 31-blind hole; The 32-contraposition part; 40-clip plate; The 41-contraposition part; The 42-perforation; 43-pick-proof hole; The 50-positioning component; The 51-alignment pin; 52-pick-proof alignment pin; The 521-inner end; The 53-elastic component; The 54-latch; 55-pick-proof latch; The 551-stop section; The 552-locking bar; The 553-annular groove; The 61-unlocking tool; The 62-key; The 70-lockset; 71-locks shell; The 72-upper bead seat; The 721-bizet; The 722-socket part; The 723-through hole; The 73-lower bead seat; The 731-blind hole; The 74-positioning component; The 741-alignment pin; The 742-spring; The 743-latch; The 80-key.
The specific embodiment
Referring to Fig. 1 and shown in Figure 2, pick-proof lock of the present invention includes hollow lock shell 10, a upper bead seat 20, a lower bead seat 30, two clip plates 40 and certain hyte parts 50, wherein:
Cooperation is referring to Fig. 3 and shown in Figure 4; Upper bead seat 20 is arranged in the accommodation space 11 of described lock shell 10; It includes a bizet 21, a socket part 22 and at least one contraposition portion 23; The leading sections of described bizet 21 corresponding lock shells 10, its upper edge periphery spacer ring around and axially run through and form plurality of through holes 211, described socket part 22 is extended axially by an inner face of described bizet 21; It is the rearward end corresponding to lock shell 10; And it is outside and can join with a locking plate (not shown) to protrude into lock shell 10, and the external diameter of described again socket part 22 is less than the external diameter of described bizet 21, and described contraposition part 23 is located at the joint of described bizet 21 and socket part 22;
Described alignment pin 51 is arranged in respectively in the through hole 211 of described upper bead seat 20 with pick-proof alignment pin 52; And towards the leading section projection of locking shell 10; Wherein, Described alignment pin 51 is corresponding to be arranged in the perforation 42 of described clip plate 40, and described pick-proof alignment pin 52 has an inner end 521, and described inner end 521 is corresponding to bizet 21 inner faces of upper bead seat 20; And external diameter matches with the pick-proof hole 43 of described clip plate 40, and can further wear in the pick-proof hole 43 of described clip plate 40;
Described elastic component 53 is located at respectively in the blind hole 31 of described lower bead seat 30;
Described latch 54 is arranged in respectively in the blind hole 31 of described lower bead seat 30 with pick-proof latch 55; And receive the ejection of described elastic component 53 and further run through described clip plate 40 and protrude in the through hole 211 of described upper bead seat 20 to replace each other with described alignment pin 51 and pick-proof alignment pin 52; Wherein, Described latch 54 is perforation 42 that correspondence runs through described clip plate 40; And replace each other with described alignment pin 51; Described pick-proof latch 55 has a stop section 551, and the external diameter of described stop section 551 is greater than the internal diameter in the pick-proof hole 43 of described clip plate 40, and replaces each other and be resisted against on the described clip plate 40 with described elastic component 53; A wherein distal process of described stop section 551 is stretched has a locking bar 552; Indent forms at least one annular groove 553 on the ring wall face of described locking bar 552, and the external diameter that is not formed with annular groove 553 places on the described locking bar 552 matches with the pick-proof hole 43 of described clip plate 40 and can run through the pick-proof hole 43 of described clip plate 40, and then protrudes in the through hole 211 of described upper bead seat 20 and replace each other with described pick-proof alignment pin 52.
Further referring to shown in Figure 5; Rely on the pick-proof hole 43 of above-mentioned clip plate 40 and the setting of pick-proof alignment pin 52 and pick-proof latch 55; Use leading section progressively ejection each alignment pin 51, pick-proof alignment pin 52, latch 54 and the pick-proof latch 55 of unlocking tool 61 as the people by lock shell 10; And feel in the time of to rotate described upper bead seat 20 a little; Might be that annular groove 553 correspondences on the locking bar 552 of just described pick-proof latch 55 are positioned at the wherein pick-proof hole 43 of a clip plate 40, at this moment, drive clip plate 40 rotations of joining simultaneously with described upper bead seat 20 in case rotate upper bead seat 20; Only can making wherein, a clip plate 40 is embedded in the annular groove 553 of described locking bar 552; Not only can't further carry out release, also can't backward rotation upper bead seat 20 come to test again the position of described alignment pin 51 and pick-proof alignment pin 52 and the interface of latch 54 and pick-proof latch 55, have to abandon the illegal release mode of this kind down crag-fast.
Further referring to shown in Figure 6; Pick-proof lock of the present invention is only when using correct key 62; Can each alignment pin 51, pick-proof alignment pin 52, latch 54 and pick-proof latch 55 be passed a particular distance, make its interface just corresponding to the interface of described two clip plates 40, with further release; So can effectively reach the purpose of avoiding personage intentionally to utilize unlocking tool 61 illegal releases, pick-proof lock of the present invention can effectively be reached protect article, prevent the effect that article are stolen.
Referring to shown in Figure 7; Another specific embodiment for pick-proof lock of the present invention; Wherein, described pick-proof lock only has a clip plate 40, and described clip plate 40 is that winding is positioned on the inner face of described lower bead seat 30; At least one through hole 211A of the bizet 21 of described upper bead seat 20 is formed with a necking section 212A at an end of described relatively bizet 21 inner faces; Described pick-proof hole 43 corresponding communicating that are formed with through hole 211A with the described clip plate 40 of necking section 212A, and the internal diameter of described necking section 212A equates with the internal diameter in the pick-proof hole 43 of described clip plate 40, and the locking bar 552 of the inner end 521 that can supply described pick-proof alignment pin 52 and described pick-proof latch 55 wears mobile; So design also can reach the purpose of avoiding personage intentionally to utilize illegal unlocking tool 61 to carry out release.
More than explanation is just illustrative for the purpose of the present invention; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (5)
1. pick-proof lock is characterized in that: include hollow lock shell, a upper bead seat, a lower bead seat, two clip plates and certain hyte part, wherein:
Lock shell inner shaft is formed with an accommodation space to running through, and makes the two ends of described lock shell be respectively a leading section and a rearward end;
Upper bead seat is arranged in the accommodation space of described lock shell; It includes a bizet and a socket part; The leading section of the corresponding lock of described bizet shell, its upper edge periphery spacer ring around and axially run through and form plurality of through holes, described socket part is extended axially by an inner face of described bizet; It is that the external diameter of described socket part is less than the external diameter of described bizet corresponding to the rearward end of lock shell;
Lower bead seat is the cylinder of a hollow; It is set on the socket part of described upper bead seat; And be arranged in the accommodation space of described lock shell and affixed mutually with described lock shell facies; One inner face of described lower bead seat is corresponding to the bizet of described upper bead seat, described inner face upper edge periphery spacer ring around and axially indent form a plurality of blind holes;
The clip sleeve-board is located on the socket part of described upper bead seat; And between the bizet and described lower bead seat of described upper bead seat; Described two clip plates winding respectively are positioned on the inner face of inner face and described lower bead seat of bizet of described upper bead seat; Form at least one pick-proof hole on the described clip plate; The through hole of described pick-proof hole and aforementioned upper bead seat and the blind hole of lower bead seat are corresponding and be connected, and the internal diameter in described pick-proof hole is less than the internal diameter of the blind hole of the through hole of described upper bead seat and lower bead seat;
Positioning component includes at least one pick-proof alignment pin, a plurality of elastic component and at least one pick-proof latch; Described pick-proof alignment pin is arranged in the through hole of described upper bead seat; It has an inner end, and described inner end is corresponding to the bizet inner face of upper bead seat, and external diameter matches with the pick-proof hole of described clip plate; And can be arranged in the pick-proof hole of described clip plate; Described elastic component is located at respectively in the blind hole of described lower bead seat, and described pick-proof latch is arranged in the blind hole of described lower bead seat, and it has a stop section; The external diameter of described stop section is greater than the internal diameter in the pick-proof hole of described clip plate; And replace each other and be resisted against on the described clip plate with described elastic component, a wherein distal process of described stop section is stretched a locking bar is arranged, and indent forms at least one annular groove on the ring wall face of described locking bar; And the external diameter that is not formed with the annular groove place on the described locking bar matches with the pick-proof hole of described clip plate and can run through the pick-proof hole of described clip plate, and then protrudes in the through hole of described upper bead seat and replace each other with described pick-proof alignment pin.
2. pick-proof lock according to claim 1; It is characterized in that: the bizet of aforementioned upper bead seat and the joint of socket part further are provided with at least one contraposition portion; The inner face of aforementioned lower bead seat is provided with at least one contraposition portion; Further form at least one contraposition portion on aforementioned two clip plates respectively, the contraposition part of described two clip plates engages the location with described upper bead seat with the contraposition part of lower bead seat respectively relatively.
3. pick-proof lock is characterized in that: include hollow lock shell, a upper bead seat, a lower bead seat, a clip plate and certain hyte part, wherein:
Lock shell inner shaft is formed with an accommodation space to running through, and makes the two ends of described lock shell be respectively a leading section and a rearward end;
Upper bead seat is arranged in the accommodation space of described lock shell; It includes a bizet and a socket part; The leading section of the corresponding lock of described bizet shell, its upper edge periphery spacer ring around and axially run through and form plurality of through holes, described socket part is extended axially by an inner face of described bizet; It is that the external diameter of described socket part is less than the external diameter of described bizet corresponding to the rearward end of lock shell;
Lower bead seat is the cylinder of a hollow; It is set on the socket part of described upper bead seat; And be arranged in the accommodation space of described lock shell and affixed mutually with described lock shell facies; One inner face of described lower bead seat is corresponding to the bizet of described upper bead seat, described inner face upper edge periphery spacer ring around and axially indent form a plurality of blind holes;
The clip sleeve-board is located on the socket part of described upper bead seat; And between the bizet and described lower bead seat of described upper bead seat; The winding of described clip plate is positioned on the inner face of described lower bead seat; Form at least one pick-proof hole on the described clip plate, the through hole of described pick-proof hole and aforementioned upper bead seat and the blind hole of lower bead seat are corresponding and be connected, and the internal diameter in described pick-proof hole is less than the internal diameter of the blind hole of the through hole of described upper bead seat and lower bead seat;
Positioning component includes at least one pick-proof alignment pin, a plurality of elastic component and at least one pick-proof latch; Described pick-proof alignment pin is arranged in the through hole of described upper bead seat; It has an inner end, and described inner end is corresponding to the bizet inner face of upper bead seat, and external diameter matches with the pick-proof hole of described clip plate; And can be arranged in the pick-proof hole of described clip plate; Described elastic component is located at respectively in the blind hole of described lower bead seat, and described pick-proof latch is arranged in the blind hole of described lower bead seat, and it has a stop section; The external diameter of described stop section is greater than the internal diameter in the pick-proof hole of described clip plate; And replace each other and be resisted against on the described clip plate with described elastic component, a wherein distal process of described stop section is stretched a locking bar is arranged, and indent forms at least one annular groove on the ring wall face of described locking bar; And the external diameter that is not formed with the annular groove place on the described locking bar matches with the pick-proof hole of described clip plate and can run through the pick-proof hole of described clip plate, and then protrudes in the through hole of described upper bead seat and replace each other with described pick-proof alignment pin;
Wherein, At least one through hole of the bizet of described upper bead seat is formed with a necking section at an end of described relatively bizet inner face; Described corresponding the communicating in pick-proof hole that is formed with through hole with the described clip plate of necking section; And the internal diameter of described necking section equates with the internal diameter in the pick-proof hole of described clip plate, and can supply the inner end of described pick-proof alignment pin and the locking bar of described pick-proof latch to wear mobile.
4. pick-proof lock according to claim 3; It is characterized in that: the inner face of aforementioned lower bead seat is provided with at least one contraposition portion; The enterprising one-step shaping of aforementioned clip plate has at least one contraposition portion, and the contraposition part of described clip plate engages the location relatively with the contraposition part of described lower bead seat.
5. according to each described pick-proof lock in the claim 1 to 4; It is characterized in that: the enterprising one-step shaping of aforementioned clip plate has a plurality of perforation; The pick-proof hole of described perforation and aforementioned clip plate respectively along the periphery spacer ring of described clip plate around and run through moulding; Aforementioned positioning component further includes a plurality of alignment pins and a plurality of latch; Described alignment pin and aforementioned pick-proof alignment pin are arranged in respectively in the through hole of described upper bead seat; And described alignment pin is corresponding to be arranged in the perforation of described clip plate, and described latch and pick-proof latch are arranged in respectively in the blind hole of described lower bead seat, and can receive the ejection of described elastic component and run through the perforation of described clip plate and protrude in the through hole of described upper bead seat and replace each other with described alignment pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009101404675A CN101886490B (en) | 2009-05-15 | 2009-05-15 | Tamper-proof lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009101404675A CN101886490B (en) | 2009-05-15 | 2009-05-15 | Tamper-proof lock |
Publications (2)
Publication Number | Publication Date |
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CN101886490A CN101886490A (en) | 2010-11-17 |
CN101886490B true CN101886490B (en) | 2012-11-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2009101404675A Expired - Fee Related CN101886490B (en) | 2009-05-15 | 2009-05-15 | Tamper-proof lock |
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CN (1) | CN101886490B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3541819A (en) * | 1968-08-05 | 1970-11-24 | Chicago Lock Co | Tamper-proof axial tumbler lock |
GB1376011A (en) * | 1972-01-24 | 1974-12-04 | Keystone Consolidated Ind Inc | Cylinder lock |
US3945229A (en) * | 1972-12-29 | 1976-03-23 | Roger Frank | Bar-tumbler type safety lock |
CN1100173A (en) * | 1993-09-06 | 1995-03-15 | 廖武长 | Improved tubular lock |
CN1563655A (en) * | 2004-04-07 | 2005-01-12 | 西南交通大学 | Sliding pin type mechanical core of lock |
CN2755233Y (en) * | 2004-12-07 | 2006-02-01 | 林雨彤 | Cylindrical lock with identifier |
-
2009
- 2009-05-15 CN CN2009101404675A patent/CN101886490B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3541819A (en) * | 1968-08-05 | 1970-11-24 | Chicago Lock Co | Tamper-proof axial tumbler lock |
GB1376011A (en) * | 1972-01-24 | 1974-12-04 | Keystone Consolidated Ind Inc | Cylinder lock |
US3945229A (en) * | 1972-12-29 | 1976-03-23 | Roger Frank | Bar-tumbler type safety lock |
CN1100173A (en) * | 1993-09-06 | 1995-03-15 | 廖武长 | Improved tubular lock |
CN1563655A (en) * | 2004-04-07 | 2005-01-12 | 西南交通大学 | Sliding pin type mechanical core of lock |
CN2755233Y (en) * | 2004-12-07 | 2006-02-01 | 林雨彤 | Cylindrical lock with identifier |
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Publication number | Publication date |
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CN101886490A (en) | 2010-11-17 |
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