CN110259324B - Crystal anti-theft device - Google Patents
Crystal anti-theft device Download PDFInfo
- Publication number
- CN110259324B CN110259324B CN201910286362.4A CN201910286362A CN110259324B CN 110259324 B CN110259324 B CN 110259324B CN 201910286362 A CN201910286362 A CN 201910286362A CN 110259324 B CN110259324 B CN 110259324B
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- CN
- China
- Prior art keywords
- cavity
- groove
- push
- sliding
- rotating
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- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
- E05G1/00—Safes or strong-rooms for valuables
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
- E05G1/00—Safes or strong-rooms for valuables
- E05G1/02—Details
Abstract
The invention discloses an anti-theft device for crystals, which comprises a wall body, wherein a push cavity is arranged in the wall body, a magnetic plate is arranged in the push cavity in a sliding manner, a box body is arranged on the upper end surface of the magnetic plate, a box cavity is arranged in the box body, true crystals are placed in the box cavity, the left side of the push cavity is communicated with a sliding cavity, and a sliding plate is arranged in the sliding cavity in a sliding manner.
Description
Technical Field
The invention relates to the technical field of security products, in particular to a crystal anti-theft device.
Background
The existing crystal anti-theft device realizes the functions through infrared detection and alarm sound, but the infrared ray is easy to crack, and the alarm sound warns after the crystal is stolen, so that the safety of the crystal cannot be ensured, and secondly, the crystal is easy to damage in stealing, so that the value of the crystal is reduced.
Disclosure of Invention
The invention aims to provide a crystal anti-theft device which is used for overcoming the defects in the prior art.
The anti-theft device for the crystal comprises a wall body, wherein a push cavity is arranged in the wall body, a magnetic plate is arranged in the push cavity in a sliding manner, a box body is arranged on the upper end face of the magnetic plate, a box cavity is arranged in the box body, the real crystal is arranged in the box cavity, a sliding cavity is arranged on the left side of the push cavity in a communicating manner, a sliding plate is arranged in the sliding cavity in a sliding manner, a locking groove which is symmetrical up and down is arranged in the sliding plate, a clamping groove is arranged on the left side of the locking groove, a guide groove is arranged on the upper side of the sliding cavity in a communicating manner, the upper end of the sliding plate extends into the guide groove, a pressure spring is fixedly arranged between the upper end wall of the guide groove and the right end wall of the guide groove, a groove is arranged on the right side of the push cavity in a communicating manner, a locking device is arranged on, the left side of the push cavity is communicated with an open cavity, the lower end face of the magnetic plate is fixedly provided with a sleeve, the lower side of the push cavity is communicated with a push groove, the push groove is internally and rotatably provided with a screw rod, the lower end of the sleeve extends into the push groove and is in threaded connection with the screw rod, the left end and the right end of the sleeve are fixedly provided with a guide block, the lower side of the push groove is communicated with a hollow groove, the lower end of the screw rod extends into the hollow groove and is fixedly provided with a first bevel gear, the hollow groove is internally and rotatably provided with a second bevel gear meshed with the first bevel gear through a fixed shaft, the fixed shaft is in power connection with the driving device, the left side of the push groove is provided with a linkage device which can be abutted against the guide block, the right side of the push cavity is communicated with a concave cavity, a push plate with the left end extending into the open cavity is arranged in the concave cavity in a sliding manner, the false crystal is placed in the outer box, a replacement device is arranged on the right side of the concave cavity, and the replacement device is fixedly connected with the right end of the push plate; when theft occurs, the false crystal is exchanged with the true crystal.
According to the further technical scheme, the locking device comprises sliding grooves which are symmetrical up and down, locking blocks are arranged in the sliding grooves in a sliding mode, connecting springs are fixedly arranged between the locking blocks and the sliding grooves, a rotating cavity is arranged between the right sides of the sliding grooves in a communicating mode, a shifting plate is arranged in the rotating cavity in a sliding mode, shifting grooves are arranged in the shifting plate, pushing blocks which are symmetrical up and down are arranged in the shifting grooves in a sliding mode, the pushing blocks on the upper side and the lower side are respectively connected with the locking blocks on the upper side and the lower side in a rotating mode through rotating rods in a rotating mode, the rotating rods are connected with the inner walls on the front side and the rear side of the rotating cavity in a rotating matching mode, rotating grooves are arranged on the right sides of the rotating cavities in a communicating; the poking plate moves left, so that the locking block slides backwards.
According to a further technical scheme, the driving device comprises a moving cavity, a moving block is arranged in the moving cavity in a sliding mode, a motor is fixedly arranged in the moving block, the rear end of the motor is in power connection with a rotating shaft, the rotating shaft can be in splined connection with the fixed rod, the front end of the motor is in power connection with a rotating drum, a connecting shaft which can be in splined connection with the rotating drum is arranged on the front side of the moving cavity in a rotating mode, the connecting shaft is in power connection with the fixed shaft through a belt, a pressing groove is formed in the left side of the moving cavity in a communicating mode, a pressing rod is arranged in the pressing groove in a sliding mode, a torsion spring is fixedly arranged between the lower end of the pressing rod and the pressing groove, and; the compression bar moves to enable the motor to drive the cam and the connecting shaft to rotate independently.
According to a further technical scheme, the linkage device comprises a groove communicated with the push groove, a push rod is arranged in the groove in a sliding mode, a reset assembly used for resetting the push rod is fixedly arranged on the upper end face of the push rod, a connecting groove is arranged between the groove and the sliding cavity in a communicating mode, a slide rod is arranged in the connecting groove in a sliding mode, a rotary spring is fixedly arranged between the lower end of the slide rod and the connecting groove, and a through groove abutted to the push rod is arranged in the slide rod; the sliding rod descends to be separated from the clamping groove so as to unlock the sliding plate.
According to a further technical scheme, the replacement device comprises a tooth groove communicated with the concave cavity, a rack fixedly connected with the push plate is arranged in the tooth groove in a sliding mode, a connecting cavity is formed in the upper side of the tooth groove in a communicating mode, a third bevel gear is arranged in the connecting cavity in a rotating mode, the upper end of the third bevel gear is connected with a fourth bevel gear in a meshing mode, a motor is fixedly arranged on the upper end wall of the connecting cavity, and a mandrel of the fourth bevel gear is in power connection with the motor; the motor drives the rack to move.
The invention has the beneficial effects that: the crystal pushing device is simple in structure and convenient to operate, the crystal can be pushed out to the outside when a correct password is input, however, in the process of inputting the password, the control block can automatically and invisibly compare fingerprints, if the fingerprints are wrong, the true and false crystals can be replaced, and if the fingerprints are correct, the crystals can be normally taken away, so that the crystal pushing device is high in safety and convenient to use.
Drawings
FIG. 1 is a schematic view of the internal structure of an anti-theft device of crystal according to the present invention;
FIG. 2 is an enlarged view of "A" in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of "B" in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 3 according to the present invention;
FIG. 5 is an enlarged view of "D" in FIG. 1 according to the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the front, rear, left, right, and up-down directions described below correspond to the front, rear, left, right, and up-down directions of the projection relation of fig. 1 itself.
Referring to fig. 1 to 5, the anti-theft device for crystal according to the embodiment of the present invention includes a wall 10, a push cavity 11 is provided in the wall 10, a magnetic plate 13 is slidably provided in the push cavity 11, a box body 21 is provided on an upper end surface of the magnetic plate 13, a box cavity 22 is provided in the box body 21, a crystal 23 is provided in the box cavity 22, a slide cavity 49 is provided in the left side of the push cavity 11 in a communicating manner, a slide plate 50 is slidably provided in the slide cavity 49, a lock groove 51 symmetrical up and down is provided in the slide plate 50, a lock groove 52 is provided on the left side of the lock groove 51, a guide groove 53 is provided in the upper side of the slide cavity 49 in a communicating manner, a compression spring 54 is provided between the upper end of the slide plate 50 and the right end wall of the guide groove 53 in a communicating manner, a groove 25 is provided on the right side of the push cavity 11, a locking device 100 is provided, the front side of the locking device 100 is provided with a driving device 200, the driving device 200 is connected with the locking device 100 through a spline, the upper end surface of the wall 10 is fixedly provided with a control block 48, the left side of the push cavity 11 is communicated with an open cavity 24, the lower end surface of the magnetic plate 13 is fixedly provided with a sleeve 12, the lower side of the push cavity 11 is communicated with a push groove 14, the push groove 14 is rotatably provided with a screw rod 16, the lower end of the sleeve 12 extends into the push groove 14 and is in threaded connection with the screw rod 16, the left end and the right end of the sleeve 12 are fixedly provided with guide blocks 15, the lower side of the push groove 14 is communicated with a hollow groove 17, the lower end of the screw rod 16 extends into the hollow groove 17 and is fixedly provided with a first bevel gear 18, the hollow groove 17 is rotatably provided with a second bevel gear 19 meshed with the first bevel gear 18 through a fixed shaft 20, the fixed shaft 20 is in power connection with the driving device 200, the linkage device 300 can be abutted against the guide block 15, the right side of the push cavity 11 is communicated with a concave cavity 40, a push plate 39 with the left end extending into the open cavity 24 is arranged in the concave cavity 40 in a sliding manner, through cavities 36 which are bilaterally symmetrical and vertically penetrate are arranged in the push plate 39, an outer box 37 is arranged in the through cavity 36 on the right side, a false crystal 38 is arranged in the outer box 37, a replacement device 400 is arranged on the right side of the concave cavity 40, and the replacement device 400 is fixedly connected with the right end of the push plate 39; in case of theft, the false crystal 38 is exchanged with the real crystal 23.
Beneficially, the locking device 100 includes a sliding chute 26 which is symmetrical up and down, a locking block 27 is slidably disposed in the sliding chute 26, a connecting spring 73 is fixedly disposed between the locking block 27 and the sliding chute 26, a rotating cavity 29 is disposed between the right sides of the sliding chute 26 in a communicating manner, a shifting plate 30 is slidably disposed in the rotating cavity 29, a shifting groove 31 is disposed in the shifting plate 30, push blocks 32 which are symmetrical up and down are slidably disposed in the shifting groove 31, the push blocks 32 on the upper side and the lower side are respectively rotatably connected with the locking block 27 on the upper side and the lower side through a rotating rod 28, the rotating rod 28 is rotatably connected with the inner wall of the front side and the rear side of the rotating cavity 29 in a matching manner, a rotating groove 33 is disposed on the right side of the rotating cavity 29 in a communicating manner, a cam 34 is rotatably disposed in the rotating groove 33 through a fixing; the paddle 30 is moved to the left so that the lock block 27 slides back to the back.
Advantageously, the driving device 200 comprises a moving cavity 55, a moving block 56 is slidably disposed in the moving cavity 55, a motor 57 is fixedly disposed in the moving block 56, a rotating shaft 58 is dynamically connected to the rear end of the motor 57, wherein the rotating shaft 58 can be in splined connection with the fixed rod 35, a rotating drum 59 is dynamically connected to the front end of the motor 57, a connecting shaft 60 capable of being in splined connection with the rotating drum 59 is rotatably disposed at the front side of the moving cavity 55, the connecting shaft 60 is in powered connection with the fixed shaft 20 through a belt 61, a pressing groove 62 is communicated with the left side of the moving cavity 55, a pressing rod 63 is slidably disposed in the pressing groove 62, a torsion spring 65 is fixedly disposed between the lower end of the pressing rod 63 and the pressing groove 62, and the pressing rod 63 is rotatably connected with the moving block 56 through a connecting rod 64; the pressing rod 63 moves to enable the motor 57 to drive the cam 34 and the connecting shaft 60 to rotate independently.
Beneficially, the linkage 300 includes a slot 70 communicated with the push slot 14, a push rod 71 is slidably disposed in the slot 70, a reset component 72 for resetting the push rod 71 is fixedly disposed on an upper end surface of the push rod 71, a connecting slot 67 is disposed between the slot 70 and the sliding cavity 49 in a communicating manner, a slide rod 66 is slidably disposed in the connecting slot 67, a rotary spring 68 is fixedly disposed between a lower end of the slide rod 66 and the connecting slot 67, and a through slot 69 abutted to the push rod 71 is disposed in the slide rod 66; the slide bar 66 is lowered out of engagement with the catch 52 to unlock the slide plate 50.
Advantageously, the replacement device 400 comprises a tooth socket 41 communicated with the cavity 40, a rack 42 fixedly connected with the push plate 39 is slidably arranged in the tooth socket 41, a connecting cavity 43 is arranged on the upper side of the tooth socket 41 in a communicating manner, a third bevel gear 44 is rotatably arranged in the connecting cavity 43, a fourth bevel gear 45 is connected to the upper end of the third bevel gear 44 in a meshing manner, a motor 47 is fixedly arranged on the upper end wall of the connecting cavity 43, and a spindle 46 of the fourth bevel gear 45 is in power connection with the motor 47; the motor 47 drives the rack 42 to move.
In the initial state, the compression spring 54 is in a stretched state, and the drum 59 is connected to the coupling shaft 60.
When the electronic fingerprint lock works, when someone steals the real crystal 23, the motor 57 works to drive the connecting shaft 60 to rotate, the screw rod 16 rotates to enable the sleeve 12 to drive the magnetic plate 13 to descend, the box body 21 is completely contracted into the push cavity 11, at the moment, the guide block 15 pushes the push rod 71 to move left, the slide rod 66 descends to be separated from the clamping groove 52, the slide plate 50 moves right under the action of the pressure spring 54, the locking groove 51 is locked with the locking block 27, the slide plate 50 extrudes the pressure rod 63 to move forward, the moving block 56 moves backward, the rotating shaft 58 is connected with the fixed rod 35, then a password is input on the control block 48, the motor 57 works to drive the cam 34 to rotate, the poking plate 30 is pushed to move left, the locking block 27 moves back to be separated from the locking groove 51, the control block 48 automatically compares fingerprints during password input, the control block 48 triggers the motor 47 to work when the fingerprints are wrong, the rack 42 pushes the push plate 39 to move left, the box body 21 is pushed into the, the outer box 37 and the magnetic plate 13 are magnetically attracted, secondly, the sliding plate 50 is manually shifted leftwards to open the pushing cavity 11, the pressure lever 63 moves backwards under the action of the torsion spring 65, the moving block 56 moves forwards to restore the initial position, the rotary drum 59 is connected with the connecting shaft 60, the motor 57 drives the screw rod 16 to rotate, the magnetic plate 13 rises to push the outer box 37 out to the outside, and the false crystal 38 inside is stolen.
The invention has the beneficial effects that: the crystal pushing device is simple in structure and convenient to operate, the crystal can be pushed out to the outside when a correct password is input, however, in the process of inputting the password, the control block can automatically and invisibly compare fingerprints, if the fingerprints are wrong, the true and false crystals can be replaced, and if the fingerprints are correct, the crystals can be normally taken away, so that the crystal pushing device is high in safety and convenient to use.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (5)
1. An anti-theft device for crystal comprises a wall body, wherein a push cavity is arranged in the wall body, a magnetic plate is arranged in the push cavity in a sliding manner, a box body is arranged on the upper end face of the magnetic plate, a box cavity is arranged in the box body, a real crystal is arranged in the box cavity, the left side of the push cavity is communicated with a sliding cavity, a sliding plate is arranged in the sliding cavity in a sliding manner, vertically symmetrical locking grooves are arranged in the sliding plate, clamping grooves are formed in the left side of the locking grooves, a guide groove is formed in the upper side of the sliding cavity in a communicating manner, the upper end of the sliding plate extends into the guide groove, a pressure spring is fixedly arranged between the upper end of the sliding plate and the right end wall of the guide groove, a groove is formed in the right side of the push cavity in a communicating manner, a locking device is arranged on the right side of the groove and can, the left side of the push cavity is communicated with an open cavity, the lower end face of the magnetic plate is fixedly provided with a sleeve, the lower side of the push cavity is communicated with a push groove, the push groove is internally and rotatably provided with a screw rod, the lower end of the sleeve extends into the push groove and is in threaded connection with the screw rod, the left end and the right end of the sleeve are fixedly provided with a guide block, the lower side of the push groove is communicated with a hollow groove, the lower end of the screw rod extends into the hollow groove and is fixedly provided with a first bevel gear, the hollow groove is internally and rotatably provided with a second bevel gear meshed with the first bevel gear through a fixed shaft, the fixed shaft is in power connection with the driving device, the left side of the push groove is provided with a linkage device which can be abutted against the guide block, the right side of the push cavity is communicated with a concave cavity, a push plate with the left end extending into the open cavity is arranged in the concave cavity in a sliding manner, the false crystal is placed in the outer box, a replacement device is arranged on the right side of the concave cavity, and the replacement device is fixedly connected with the right end of the push plate; when theft occurs, the false crystal is exchanged with the true crystal.
2. The anti-theft device of a crystal according to claim 1, characterized in that: the locking device comprises sliding grooves which are symmetrical up and down, locking blocks are arranged in the sliding grooves in a sliding mode, a connecting spring is fixedly arranged between each locking block and the corresponding sliding groove, a rotating cavity is communicated between the right sides of the sliding grooves, a shifting plate is arranged in the rotating cavity in a sliding mode, shifting grooves are arranged in the shifting plate, pushing blocks which are symmetrical up and down are arranged in the shifting grooves in a sliding mode, the pushing blocks on the upper side and the lower side are respectively connected with the locking blocks on the upper side and the lower side in a rotating mode through rotating rods in a rotating mode, the rotating rods are connected with the inner walls on the front side and the rear side of the rotating cavity in a rotating matching mode, a rotating groove is communicated with the right side of the rotating cavity, a cam is arranged; the poking plate moves left, so that the locking block slides backwards.
3. The anti-theft device of a crystal according to claim 2, wherein: the driving device comprises a moving cavity, a moving block is arranged in the moving cavity in a sliding mode, a motor is fixedly arranged in the moving block, the rear end of the motor is in power connection with a rotating shaft, the rotating shaft can be in splined connection with the fixed rod, the front end of the motor is in power connection with a rotating drum, a connecting shaft which can be in splined connection with the rotating drum is rotatably arranged on the front side of the moving cavity, the connecting shaft is in power connection with the fixed shaft through a belt, the left side of the moving cavity is communicated with a pressing groove, a pressing rod is arranged in the pressing groove in a sliding mode, a torsion spring is fixedly arranged between the lower end of the pressing rod and the pressing groove, and the pressing rod is rotatably connected with the; the compression bar moves to enable the motor to drive the cam and the connecting shaft to rotate independently.
4. The anti-theft device of a crystal according to claim 1, characterized in that: the linkage device comprises a groove communicated with the push groove, a push rod is arranged in the groove in a sliding manner, a reset assembly used for resetting the push rod is fixedly arranged on the upper end face of the push rod, a connecting groove is arranged between the groove and the sliding cavity in a communicating manner, a slide rod is arranged in the connecting groove in a sliding manner, a rotary spring is fixedly arranged between the lower end of the slide rod and the connecting groove, and a through groove abutted against the push rod is arranged in the slide rod; the sliding rod descends to be separated from the clamping groove so as to unlock the sliding plate.
5. The anti-theft device of a crystal according to claim 1, characterized in that: the displacement device comprises a tooth groove communicated with the concave cavity, a rack fixedly connected with the push plate is arranged in the tooth groove in a sliding manner, a connecting cavity is arranged on the upper side of the tooth groove in a communicating manner, a third bevel gear is arranged in the connecting cavity in a rotating manner, the upper end of the third bevel gear is connected with a fourth bevel gear in a meshing manner, the upper end wall of the connecting cavity is fixedly provided with a motor, and a mandrel of the fourth bevel gear is in power connection with the motor; the motor drives the rack to move.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286362.4A CN110259324B (en) | 2019-04-10 | 2019-04-10 | Crystal anti-theft device |
| JP2019084784A JP6748818B1 (en) | 2019-04-10 | 2019-04-25 | Crystal security device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286362.4A CN110259324B (en) | 2019-04-10 | 2019-04-10 | Crystal anti-theft device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110259324A CN110259324A (en) | 2019-09-20 |
| CN110259324B true CN110259324B (en) | 2020-09-29 |
Family
ID=67913533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286362.4A Expired - Fee Related CN110259324B (en) | 2019-04-10 | 2019-04-10 | Crystal anti-theft device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6748818B1 (en) |
| CN (1) | CN110259324B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827831B (en) * | 2020-07-30 | 2021-12-07 | 江西光正金属设备集团有限公司 | Safe with family's theftproof monitoring function |
| CN113202378B (en) * | 2021-05-06 | 2022-05-17 | 北京中宏致远科技有限公司 | Industrial data safety system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839102A (en) * | 2010-04-22 | 2010-09-22 | 武瑞琪 | Elevating safe deposit box |
| CN104358492A (en) * | 2014-10-31 | 2015-02-18 | 成都利邦科技有限公司 | Safe deposit box capable of unlocking by using fingerprints |
| FR3019849A1 (en) * | 2014-04-09 | 2015-10-16 | Brinks France | SAFETY BOX WITH REINFORCED SAFETY |
| CN206213675U (en) * | 2016-07-23 | 2017-06-06 | 深圳市杰尔斯展示股份有限公司 | A kind of showpiece apparatus for automatic change in museum |
| CN208073229U (en) * | 2018-03-16 | 2018-11-09 | 南京信息工程大学 | A kind of intelligent anti-theft safety cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7905560B2 (en) * | 2006-07-10 | 2011-03-15 | Antonio Vardaro | Security showcase |
-
2019
- 2019-04-10 CN CN201910286362.4A patent/CN110259324B/en not_active Expired - Fee Related
- 2019-04-25 JP JP2019084784A patent/JP6748818B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839102A (en) * | 2010-04-22 | 2010-09-22 | 武瑞琪 | Elevating safe deposit box |
| FR3019849A1 (en) * | 2014-04-09 | 2015-10-16 | Brinks France | SAFETY BOX WITH REINFORCED SAFETY |
| CN104358492A (en) * | 2014-10-31 | 2015-02-18 | 成都利邦科技有限公司 | Safe deposit box capable of unlocking by using fingerprints |
| CN206213675U (en) * | 2016-07-23 | 2017-06-06 | 深圳市杰尔斯展示股份有限公司 | A kind of showpiece apparatus for automatic change in museum |
| CN208073229U (en) * | 2018-03-16 | 2018-11-09 | 南京信息工程大学 | A kind of intelligent anti-theft safety cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020171647A (en) | 2020-10-22 |
| JP6748818B1 (en) | 2020-09-02 |
| CN110259324A (en) | 2019-09-20 |
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Granted publication date: 20200929 |