CN206451403U - A kind of Multifunctional laser pen - Google Patents
A kind of Multifunctional laser pen Download PDFInfo
- Publication number
- CN206451403U CN206451403U CN201621454783.1U CN201621454783U CN206451403U CN 206451403 U CN206451403 U CN 206451403U CN 201621454783 U CN201621454783 U CN 201621454783U CN 206451403 U CN206451403 U CN 206451403U
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- CN
- China
- Prior art keywords
- laser pen
- box
- blank
- cleaning solution
- pen
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of Multifunctional laser pen, laser pen body exterior is provided with a shell, rotating shaft I, laser pen body and combined pen are provided between the upper plate and lower plate of shell, laser pen body one end is provided with laser lamp, the other end is connected by rotating shaft I with the housing of combined pen, the rotating shaft II that combined pen is included between housing, chalk, chalk barrel and white board marker, the upper-lower casing that chalk barrel one end passes through combined pen is connected with white board marker；Device is wiped clearly provided with including chalkboard eraser box, whiteboard eraser box, the combined pen of blank cleaning device in one end of shell, chalkboard eraser is provided with chalkboard eraser box, chalkboard eraser box, which is provided with, to be included being provided with whiteboard eraser in the blank cleaning device of blank cleaning solution box and waste liquid tank, whiteboard eraser box；The Multifunctional laser pen can be used as the effect of the instrument, also chalk and white board marker indicated, and be also equipped with wiping the device that chalk print and white board marker print, easy to use and multiple functional.
Description
Technical field
The utility model is related to the technical field of teaching aid, more particularly to a kind of Multifunctional laser pen.
Background technology
With expanding economy, multimedia technology has also obtained rapid development, is rooted in all trades and professions.
Under the promotion of modern science and technology, multimedia technology will continue the every aspect of deep our lives of people, in being lived as us not
The part that can lack.In our life, generally in terms of report, report, teaching laser pen can be used to carry out projection one
Individual luminous point or a light directed towards object, so that convenient use person is pointed to or guided using the laser designator of laser pen.So
And, in modern teaching, teachers association walks about with the actual conditions on classroom in classroom, is no longer limited to blackboard or blank advances
Row teaches mission, and it is instrument of the laser pen as instruction to meet the tendency of in Teaching Technology of Multimedia and life, but function is single, teacher
Situation such as page turning, regulation volume of often control media play etc. are not only needed when explanation, need to also be in blackboard or blank
Upper progress writing related content, at this moment just needs chalk or white board marker, while it is extremely not square to hold laser pen and chalk or white board marker
Just, just need to be used by corresponding blackboard eraser when the white board marker print on the chalk or blank for needing to wipe on blackboard, therefore, have
Necessity is improved to existing technical scheme, to solve the above problems.
Utility model content
The utility model provides one kind to solve problem above, and instructor not only can be with using the Multifunctional laser pen
Guiding student is analyzed Important Problems, imparted knowledge to students, and chalk can also be used on blackboard, and white board marker is used on blank, and
And pen print can also be cleaned so that teaching integration, it is more convenient to use and multiple functional.
In order to reach object above, it is achieved through the following technical solutions：A kind of Multifunctional laser pen, including laser pen body
With the control device for controlling this body running of laser pen, one end of laser pen body is provided with laser lamp, and inside is provided with battery
Device and recording device, laser pen body exterior also set up a shell, and described shell is provided with upper plate and lower plate, and upper plate is with
Rotating shaft I, laser pen body and combined pen are provided between plate, the two ends of rotating shaft I are connected with upper plate and lower plate respectively, described combination
Pen includes housing, chalk, chalk barrel and white board marker, and rotating shaft II is arranged between the upper-lower casing of combined pen, laser pen body
The other end is connected by rotating shaft I with the housing of combined pen, and described chalk is arranged in chalk barrel, and described chalk barrel one end leads to
Cross rotating shaft II with white board marker to be connected, described control device is arranged on shell；One end of shell is provided with combined pen sanitizer cartridge
Put, described combined pen cleaning device includes setting in chalkboard eraser box, whiteboard eraser box, blank cleaning device, described chalkboard eraser box
Chalkboard eraser is equipped with, blank cleaning device is provided with chalkboard eraser box, described blank cleaning device includes blank cleaning solution box
And waste liquid tank, one end of blank cleaning solution box is connected with shell, and the other end is provided with inside dismountable shower nozzle, shower nozzle provided with inhaling
Pipe, suction pipe is placed in blank cleaning solution box, several cleaning fluid apertures is provided with the upper top surface of blank cleaning solution box, described is white
Baffle plate is provided with the outside of the upper top surface of plate cleaning solution box, the switch of baffle plate is arranged on the one side of blank cleaning solution box, waste liquid
The one side of groove is connected with the another side of blank cleaning solution box, and the another side of waste liquid tank is provided with waste liquid outlet, waste liquid tank
Several holes are provided with upper top surface, dividing plate is provided with the upper top surface of waste liquid tank, it is another that the switch of dividing plate is arranged on waste liquid tank
On one side, whiteboard eraser box is arranged on blank cleaning device, and whiteboard eraser is provided with described whiteboard eraser box, whiteboard eraser box
Bottom surface is push pedal, and whiteboard eraser is fixed in push pedal by push pedal.
Further, described recording device includes phonographic recorder and storage card, and phonographic recorder passes through corresponding wire and storage
Card is connected, and phonographic recorder switch is arranged on control device.
Further, described upper plate and lower plate are all telescopic.
Further, if being provided with sponge or the wiper of dried layer on described chalkboard eraser.
Further, if being provided with sponge or the wiper of dried layer on described whiteboard eraser.
Further, described push pedal is telescopic.
Further, several liquid-leaking nozzles are provided with described push pedal.
Further, described control device includes switch, page turning switch, the level setting switches of laser lamp.
Further, described laser pen body is provided with telescopic housing, and chalk barrel is telescopic, is set on white board marker
There is telescopic handwriting.
Further, the described blank cleaning solution box other end is additionally provided with dismountable nozzle cap for covering shower nozzle.
The utility model has the advantages that：The Multifunctional laser pen acts not only as imparting knowledge to students, reports, report
Guide instrument, can also be write on blackboard or blank, when in use can be according to actual conditions, by rotating shaft I by laser pen
Body goes to suitable position, and the housing of elongation laser pen body makes its laser lamp be exposed at outside shell, so that it may use laser pen；
If being gone to required position by rotating shaft I using white board marker, extending its handwriting makes its blank nib expose outside outside shell
Use, the white board marker that the white board marker print on blank is wiped into the bottom that the Multifunctional laser pen shell can be used is wiped, by by vain
The cleaning fluid of plate cleaning solution box, which soaks sponge on whiteboard eraser or wiper by cleaning fluid apertures, liquid-leaking nozzle, to be wiped white board marker print
Fall, cleaning fluid can be also sprayed onto on blank by the shower nozzle on blank cleaning solution box and be wiped with whiteboard eraser；During using chalk
Chalk is arranged in chalk barrel, and then by the way that rotating shaft II is rotated into chalk barrel again, elongation chalk barrel makes chalk be exposed at outside shell
, the chalk print on blackboard is wiped to the chalkboard eraser of the bottom directly with the Multifunctional laser pen shell；This is multi-functional simultaneously
There is recording device on laser pen, class-teaching of teacher being said to, content is recorded and stored by storage card, dress is played by copying to
Put and play out, student can just carry out comprehensively reviewing and its consolidating to content of attending class；In addition, the upper plate of shell and
Lower plate is all telescopic, and teacher can extend shell by upper plate and lower plate when at school, do not work in laser pen body or
Blackboard or blank can be indicated with this in the case that person's laser pen body is bad, the laser pen body is additionally provided with telescopic shell
Body, chalk barrel is telescopic, and white board marker is provided with telescopic handwriting, and the Multifunctional laser pen so more convenient to use is used
Carry out indicator body；The Multifunctional laser pen makes teaching integration, is easy to use and multiple functional.
Brief description of the drawings
Fig. 1 is the structural representation of the present utility model when using white board marker；
Fig. 2 is the structural representation of the present utility model when using laser pen；
Fig. 3 is the structural representation of the present utility model when using chalk；
Fig. 4 is the structural representation of blank cleaning solution box of the present utility model；
Fig. 5 is the structural representation of whiteboard eraser box of the present utility model；
Marked in figure：1- laser pen bodies, 101- laser lamps, 102- cell apparatus, 103- recording devices, 2- control dresses
Put, 3- shells, 301- rotating shafts I, 302- upper plates, 303- lower plates, 4- combined pens, 400- chalks, 401- chalk barrels, 402- blanks
Pen, 403- rotating shafts II, 5- combined pen cleaning devices, 501- chalkboard eraser boxes, 502- blank cleaning devices, 503- whiteboard eraser boxes,
5031- whiteboard erasers, push pedal -5032,5033- liquid-leaking nozzle, 5034- wipers, 504- blank cleaning solution boxes, 5041- shower nozzles, 5042-
Suction pipe, the upper top surface of 5043- blank cleaning solution boxes, 5044- cleaning fluid apertures, 5045- baffle plates, 5046- nozzle caps, 505- waste liquids
Groove, the upper top surface of 5051- waste liquid tanks, 5052- holes, 5053- dividing plates.
Embodiment
A kind of Multifunctional laser pen, including laser pen body 1 and the control device 2 for controlling this body running of laser pen,
One end of laser pen body 1 is provided with laser lamp 101, and inside is provided with cell apparatus 102 and recording device 103, laser pen body 1
Outside also sets up a shell 3, and described shell 3 is provided with upper plate 302 and lower plate 303, is provided between upper plate 302 and lower plate 303
Rotating shaft I 301, laser pen body 1 and combined pen 4, the two ends of rotating shaft I 301 are connected with upper plate 302 and lower plate 303 respectively, described
Combined pen 4 includes housing, chalk 400, chalk barrel 401 and white board marker 402, and rotating shaft II 403 is arranged on the upper-lower casing of combined pen
Between, the other end of laser pen body 1 is connected by rotating shaft I 301 with the housing of combined pen 4, and described chalk is arranged on chalk
In cylinder 401, described one end of chalk barrel 401 is connected by rotating shaft II 403 with white board marker 402, and described control device 2 is arranged on
On shell 3；One end of shell 3 is provided with combined pen cleaning device 5, and described combined pen cleaning device 5 includes chalkboard eraser box
501st, chalkboard eraser is provided with whiteboard eraser box 503, blank cleaning device 502, described chalkboard eraser box 501, in chalkboard eraser box 501
On be provided with blank cleaning device 502, described blank cleaning device 502 includes blank cleaning solution box 504 and waste liquid tank 505,
One end of blank cleaning solution box 504 is connected with shell 3, and the other end is provided with inside dismountable shower nozzle 5041, shower nozzle 5041 and set
There is suction pipe 5042, suction pipe 5042 is placed in blank cleaning solution box 504, is provided with the upper top surface 5043 of blank cleaning solution box some
Individual cleaning fluid apertures 5044, the outside of upper top surface 5043 of described blank cleaning solution box is provided with baffle plate 5045, and baffle plate 5045 is opened
Pass is arranged on the one side of blank cleaning solution box 504, the one side of waste liquid tank 505 and the opposite side of blank cleaning solution box 504
Face is connected, and the another side of waste liquid tank 505, which is provided with waste liquid outlet, the upper top surface 5051 of waste liquid tank, is provided with several holes
5052, dividing plate 5053 is provided with the upper top surface 5051 of waste liquid tank, the switch of dividing plate 5053 is arranged on the opposite side of waste liquid tank 505
On face, whiteboard eraser box 503 is arranged on blank cleaning device 502, and whiteboard eraser 5031 is provided with described whiteboard eraser box 503,
The bottom surface of whiteboard eraser box 503 is push pedal 5032, and whiteboard eraser 5031 is fixed in push pedal 5032 by push pedal.
Further, described recording device 103 includes phonographic recorder and storage card, and phonographic recorder is by corresponding wire with depositing
Card storage is connected, and phonographic recorder switch is arranged on control device.
Further, described upper plate 302 and lower plate 303 are all telescopic.
Further, if being provided with sponge or the wiper of dried layer on described chalkboard eraser.
Further, if being provided with sponge or the wiper of dried layer on described whiteboard eraser 5031.
Further, described push pedal 5032 is telescopic.
Further, several liquid-leaking nozzles 5033 are provided with described push pedal 5032.
Further, described control device 2 includes switch, page turning switch, the level setting switches of laser lamp.
Further, described laser pen body 1 is provided with telescopic housing, and chalk barrel 401 is telescopic, white board marker
402 are provided with telescopic handwriting.
Further, the described other end of blank cleaning solution box 504 is additionally provided with for covering the dismountable of shower nozzle 5041
Nozzle cap 5046.
The utility model is further elaborated with reference to figure：
As shown in the figure：A kind of Multifunctional laser pen, including laser pen body 1 and the control for controlling this body running of laser pen
Device 2 processed, one end of laser pen body 1 is provided with laser lamp 101, and inside is provided with cell apparatus 102 and recording device 103, record
Mixer 103 includes phonographic recorder and storage card, and phonographic recorder is connected by corresponding wire with storage card, and control device 2 includes swashing
Switch, page turning switch, level setting switches, the phonographic recorder switch of light lamp, control device 2 are arranged on shell 3；Wherein laser pen
It is prior art that body, which includes laser lamp and cell apparatus, control device and phonographic recorder and storage card, for field professional people
Member is known；A shell 3 is also set up outside laser pen body 1, shell 3 is provided with upper plate 302 and lower plate 303, upper plate 302 and lower plate
Be provided with rotating shaft I 301, laser pen body 1 and combined pen 4 between 303, the two ends of rotating shaft I 301 respectively with upper plate 302 and lower plate 303
Connection, combined pen 4 includes housing, chalk 400, chalk barrel 401 and white board marker 402, and rotating shaft II 403 is arranged on above and below combined pen
Between housing, the other end of laser pen body 1 is connected by rotating shaft I 301 with the housing of combined pen 4, can be by rotating shaft I by laser
Its position is exchanged in body and combined pen rotation, when the laser lamp for needing laser pen body is used to refer to laser by rotating shaft I
Position needed for body is gone to is aligned with projection as shown in Fig. 2 then extend laser pen body by its telescopic housing
Use, it is possible to use laser pen body carries out to teacher's courseware or reports file progress page turning, adjusts volume；It can pass through simultaneously
Phonographic recorder switch is opened, teacher classroom is said that content record gets off and is stored in storage card, is made for being reviewed lessons after students in class
With being conducive to student to the comprehensive study in knowledge point and its review；Combined pen is rotated by rotating shaft I when needing to use white board marker
Specified location, then by rotating shaft II by white board marker rotate to needed for position such as Fig. 1, stretching white board marker telescopic handwriting
Make user's convenient use white board marker of the Multifunctional laser pen；, can be by turning when needing to use chalk according to actual conditions
The chalk barrel that axle II will be equipped with chalk is rotated, and elongation chalk barrel is allowed to be exposed at such as Fig. 3 outside shell, and regulation chalk is in chalk barrel
Position make its easy to use, then just can be used；If can be by extending the upper of shell in the position remote from blackboard or blank
Plate and lower plate make Multifunctional laser pen elongation can be with use chalk or white board marker respectively to emphasis knowledge on blackboard or blank
Point is pointed out or drawn.
One end of shell 3 is provided with combined pen cleaning device 5, and combined pen cleaning device 5 includes chalkboard eraser box 501, whiteboard eraser
Chalkboard eraser is provided with box 503, blank cleaning device 502, chalkboard eraser box 501, if teacher needs to use chalkboard eraser, can directly be opened
If the chalk that chalkboard eraser box is wiped using the sponge provided with dried layer or the chalkboard eraser of wiper on blackboard prints；Set on chalkboard eraser box 501
There is blank cleaning device 502, blank cleaning device 502 includes blank cleaning solution box 504 and waste liquid tank 505, blank cleaning solution box
504 one end is connected with shell 3, and the other end is provided with dismountable shower nozzle 5041, and the inside of shower nozzle 5041 is provided with suction pipe 5042, inhaled
Pipe 5042 is placed in blank cleaning solution box 504, and described shower nozzle and suction pipe are prior art, are institute known to professionals in the field
It is familiar with；Several cleaning fluid apertures 5044, the upper top surface of blank cleaning solution box are provided with the upper top surface 5043 of blank cleaning solution box
5043 outsides are provided with baffle plate 5045, and the switch of baffle plate 5045 is arranged on the one side of blank cleaning solution box 504, waste liquid tank
505 one side is connected with the another side of blank cleaning solution box 504, and the another side of waste liquid tank 505 is provided with waste liquid outlet, gives up
Several holes 5052 are provided with the upper top surface 5051 of liquid bath, dividing plate 5053 is provided with the upper top surface 5051 of waste liquid tank, every
The switch of plate 5053 is arranged on the another side of waste liquid tank 505, and whiteboard eraser box 503 is arranged on blank cleaning device 502, described
Whiteboard eraser box 503 in be provided with whiteboard eraser 5031, the bottom surface of whiteboard eraser box 503 is push pedal 5032, and whiteboard eraser 5031 passes through
Push pedal is fixed in push pedal 5032, if sponge or wiper of the whiteboard eraser 5031 provided with dried layer；When needing to wipe white board marker print
The nozzle cap and shower nozzle of blank cleaning solution box are taken down, cleaning solution is loaded in blank cleaning solution box, is then made by twisting or covering
Shower nozzle is fixed on blank cleaning solution box, suction pipe insertion blank cleaning solution box in, by press shower nozzle cleaning solution is sprayed onto it is white
On plate, white board marker print is wiped clean together with cleaning solution using whiteboard eraser while opening whiteboard eraser box；Also cleaning solution can be loaded
Baffle plate, the cleaning solution that cleaning solution passes through the upper top surface of blank cleaning solution box are opened by the switch of baffle plate after in blank cleaning solution box
Hole, the liquid-leaking nozzle of push pedal soak the sponge on whiteboard eraser or wiper, and sponge or wiper close baffle plate after soaking, and open whiteboard eraser
Box takes away the lid of whiteboard eraser box and directly wipes white board marker using whiteboard eraser and prints；Whiteboard eraser uses and after finishing, opens waste liquid tank
Upper top surface dividing plate, extruded by promoting baffle plate to extrude the waste liquid of cleaning solution in sponge or wiper on whiteboard eraser, waste liquid
Entered by the hole set on the upper top surface of waste liquid tank in waste liquid tank, discharged finally by the waste liquid outlet of waste liquid tank side.
Claims (10)
1. a kind of Multifunctional laser pen, including laser pen body（1）With the control device for controlling this body running of laser pen
（2）, laser pen body（1）One end be provided with laser lamp（101）, inside is provided with cell apparatus（102）And recording device
（103）, it is characterised in that laser pen body（1）Outside also sets up a shell（3）, described shell（3）It is provided with upper plate
（302）And lower plate（303）, upper plate（302）And lower plate（303）Between be provided with rotating shaft I（301）, laser pen body（1）And combined pen
（4）, rotating shaft I（301）Two ends respectively with upper plate（302）And lower plate（303）Connection, described combined pen（4）Including housing, powder
Pen（400）, chalk barrel（401）And white board marker（402）, rotating shaft II（403）It is arranged between the upper-lower casing of combined pen, laser pen
Body（1）The other end pass through rotating shaft I（301）And combined pen（4）Housing be connected, described chalk is arranged on chalk barrel
（401）Interior, described chalk barrel（401）One end passes through rotating shaft II（403）With white board marker（402）It is connected, described control device
（2）It is arranged on shell（3）On；Shell（3）One end be provided with combined pen cleaning device（5）, described combined pen cleaning device
（5）Including chalkboard eraser box（501）, whiteboard eraser box（503）, blank cleaning device（502）, described chalkboard eraser box（501）Inside set
Chalkboard eraser is equipped with, in chalkboard eraser box（501）On be provided with blank cleaning device（502）, described blank cleaning device（502）Bag
Include blank cleaning solution box（504）And waste liquid tank（505）, blank cleaning solution box（504）One end and shell（3）It is connected, the other end
It is provided with dismountable shower nozzle（5041）, shower nozzle（5041）Inside is provided with suction pipe（5042）, suction pipe（5042）It is placed in blank cleaning
Liquid box（504）It is interior, the upper top surface of blank cleaning solution box（5043）On be provided with several cleaning fluid apertures（5044）, described blank
The upper top surface of cleaning solution box（5043）Outside is provided with baffle plate（5045）, baffle plate（5045）Switch be arranged on blank cleaning solution box
（504）One side on, waste liquid tank（505）One side and blank cleaning solution box（504）Another side be connected, waste liquid tank
（505）Another side be provided with waste liquid outlet, the upper top surface of waste liquid tank（5051）On be provided with several holes（5052）, in waste liquid
The upper top surface of groove（5051）On be provided with dividing plate（5053）, dividing plate（5053）Switch be arranged on waste liquid tank（505）Another side
On, whiteboard eraser box（503）It is arranged on blank cleaning device（502）On, described whiteboard eraser box（503）Inside it is provided with whiteboard eraser
（5031）, whiteboard eraser box（503）Bottom surface be push pedal（5032）, whiteboard eraser（5031）Push pedal is fixed on by push pedal（5032）
On.
2. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described recording device（103）Including
Phonographic recorder and storage card, phonographic recorder are connected by corresponding wire with storage card, and phonographic recorder switch is arranged on control device.
3. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described upper plate（302）And lower plate
（303）All it is telescopic.
4. a kind of Multifunctional laser pen according to claim 1, it is characterised in that be provided with described chalkboard eraser some
The sponge of layer or wiper.
5. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described whiteboard eraser（5031）It is upper to set
If having sponge or the wiper of dried layer.
6. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described push pedal（5032）It is scalable
's.
7. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described
Push pedal（5032）On be provided with several liquid-leaking nozzles（5033）.
8. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described control device（2）Including swashing
Switch, page turning switch, the level setting switches of light lamp.
9. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described laser pen body（1）It is provided with
Telescopic housing, chalk barrel（401）It is telescopic, white board marker（402）It is provided with telescopic handwriting.
10. a kind of Multifunctional laser pen according to claim 1, it is characterised in that described blank cleaning solution box（504）
The other end is additionally provided with for covering shower nozzle（5041）Dismountable nozzle cap（5046）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454783.1U CN206451403U (en) | 2016-12-28 | 2016-12-28 | A kind of Multifunctional laser pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454783.1U CN206451403U (en) | 2016-12-28 | 2016-12-28 | A kind of Multifunctional laser pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206451403U true CN206451403U (en) | 2017-08-29 |
Family
ID=59673997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621454783.1U Expired - Fee Related CN206451403U (en) | 2016-12-28 | 2016-12-28 | A kind of Multifunctional laser pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206451403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108694865A (en) * | 2018-06-12 | 2018-10-23 | 重庆市盛川荣科技有限责任公司 | Interactive whiteboard control device |
-
2016
- 2016-12-28 CN CN201621454783.1U patent/CN206451403U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108694865A (en) * | 2018-06-12 | 2018-10-23 | 重庆市盛川荣科技有限责任公司 | Interactive whiteboard control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20171228 |