CN109599009A - Telescopic teaching rod with laser pen - Google Patents
Telescopic teaching rod with laser pen Download PDFInfo
- Publication number
- CN109599009A CN109599009A CN201811586609.6A CN201811586609A CN109599009A CN 109599009 A CN109599009 A CN 109599009A CN 201811586609 A CN201811586609 A CN 201811586609A CN 109599009 A CN109599009 A CN 109599009A
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- China
- Prior art keywords
- teaching pole
- laser pen
- fixedly connected
- mounting box
- teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012528 membrane Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002420 orchard Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
- G09B17/02—Line indicators or other guides or masks
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a telescopic teaching rod with a laser pen, which comprises a first teaching rod, wherein a second teaching rod is connected inside the first teaching rod in a sliding manner, a third teaching rod is connected inside the second teaching rod in a sliding manner, a rotary connecting block is fixedly connected to the bottom end of the first teaching rod, a sucking disc is rotatably connected inside the rotary connecting block, a containing groove is formed in the front surface of the first teaching rod, a supporting rod is rotatably connected inside the containing groove, and a sub-magic tape is fixedly connected to one side, close to the containing groove, of the front surface of the first teaching rod. Fixedly connected with dust-proof membrane in this card hole of scalable religion pole with laser pen, when not using, can seal the card hole, can prevent that there is the dust to get into, through pull second religion pole and third religion pole, can lengthen the religion pole length, simple structure, the laser pen is installed inside the fixed box of laser pen, can directly install convenient operation.
Description
Technical field
The present invention relates to teaching aid technical field, specially a kind of scalable teaching pole with laser pen.
Background technique
In field research practice, teaching pole is capable of the position of clear indication writing on the blackboard, especially indicates the writing on the blackboard of eminence, Shen
It asked someone upper class hour, teacher often uses the tool of the simple functions such as books, waddy, but such tool is because of its own attribute, past
Toward that can not be used for all teachers, with the propulsion of the reform in education, with the introducing of multimedia technology, some novel teaching poles
Such as the use with laser pen teaching pole, greatly facilitate teaching.
Chinese patent discloses a kind of scalable teaching pole (publication number: CN207302395U) with laser pen, including solid
Safety barrel and retracting cylinder, retracting cylinder are located at fixed cylinder and can slide along fixed cylinder inner wall, and laser pen is arranged in retracting cylinder, fixed cylinder
Several first connecting holes are opened up on the side wall of side along its length, open up several on the side side wall of retracting cylinder along its length
Two connecting holes, one end of L-shaped first connecting rod is equipped in the first connecting hole, and the other end of first connecting rod is threadedly coupled
One end of sleeve is equipped with one end of L-shaped second connecting rod, the other end and sleeve of the second connecting rod in the second connecting hole
The other end be threadedly coupled, sleeve both ends internal screw thread is contrary, fixed cylinder end setting switch, switch connect with laser pen.
The internal screw thread at the sleeve both ends of the patent is oppositely oriented, and rotational sleeve can make first connecting rod and the second connecting rod close to each other
Or be located remotely from each other, so as to make fixed cylinder and retracting cylinder relative telescopic.When the light that laser pen issues can not be seen clearly, teacher,
Start-up, speechmaker can make fixed cylinder and retracting cylinder specific elongation by rotational sleeve, to switch in time by teaching pole
It is directed toward；When the light that laser pen issues can be seen clearly.
Structure is complicated on flexible for existing teaching pole, has a single function, can make troubles when practical, outside existing teaching pole
Seeing most of is that prototype if position is improper, may fall from desktop when placing teaching pole, influence to attend class, with teaching pole
Extension if blackboard orchard in laser pen, will affect the irradiation of laser when classroom is bright and clear, the strong of laser can be reduced
Degree, so laser pen needs, which change it with the elongation of teaching pole, fixes position, the shape of laser pen is also prototype, so needing
There is device to clamp laser pen, in order to be placed after mounting and dismounting.
Summary of the invention
In view of the deficiencies of the prior art, the scalable teaching pole with laser pen that the present invention provides a kind of, solves existing
Teaching pole structure is complicated on flexible, have a single function, can make troubles when practical, most of existing teaching pole appearance is original
Type if position is improper, may fall from desktop when placing teaching pole, influence to attend class, and with the extension of teaching pole, teach
When room is bright and clear, it if blackboard orchard in laser pen, will affect the irradiation of laser, the intensity of laser can be reduced, so laser
Pen needs to change with the elongation of teaching pole it and fixes position, and the shape of laser pen is also prototype, so needing device will swash
Light pen clamps, the problem of in order to be placed after mounting and dismounting.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of with the scalable of laser pen
Teaching pole, including the first teaching pole, the internal slide of first teaching pole are connected with the second teaching pole, and the internal slide of second teaching pole connects
It is connected to third teaching pole, the bottom end of first teaching pole is fixedly connected with rotation connection block, the inner rotation of the rotation connection block
It is connected with sucker, the front surface of first teaching pole offers accommodating groove, and the inner rotation of the accommodating groove is connected with support rod,
The first teaching pole front surface is fixedly connected with sub- velcro close to the side of accommodating groove, and the first teaching pole front surface is close to storage
The other side of slot is fixedly connected with female velcro, and the side of first teaching pole is fixedly connected with the first side mounting box, and described
Being internally embedded for side mounting box is connected with laser pen fixed bin, and being internally embedded for laser pen fixed bin is connected with laser
The side of pen, second teaching pole and third teaching pole offers side fixing groove, and being internally embedded for side fixing groove is connected with
Second side mounting box, second side mounting box are located at the side inside the fixing groove of side and are fixedly connected with pressure between the fixing groove of side
Contracting spring.
Preferably, the front surface of first teaching pole and the second teaching pole offers card hole, and the inside of the card hole is fixed
It is connected with dustproof membrane, the dustproof membrane is a kind of component of silica gel material.
Preferably, the inside of second teaching pole and third teaching pole offers mounting groove, and the inside of the mounting groove is sliding
It is dynamic to be connected with card column, the first connecting spring is fixedly connected between the side and mounting groove of the card column, the card column diameter
Length is consistent with the length of card hole diameter.
Preferably, first side mounting box is consistent with the structure inside second side mounting box, second side mounting box
The outside of bottom end is arc-shaped, and the bottom end of second side mounting box is located at the inside of side fixing groove.
Preferably, the bottom end inside first side mounting box and second side mounting box is fixedly connected to fixed plate, institute
The side for stating fixed plate is provided with snap-gauge, and the side of the snap-gauge is fixedly connected with side fixed button, and snap-gauge and fixed plate it
Between be fixedly connected with the second connecting spring, and the side of side fixed button is through the side of the first side mounting box or second side mounting box
Wall.
Preferably, the bottom end of the laser pen fixed bin offers card slot, and laser pen fixed bin passes through card hole and snap-gauge
Connection, the bottom end of laser pen fixed bin two sides offer side channel, and the inner rotation of the side channel is connected with fixed card buckle,
There are three rotor plates for the fixed card buckle setting.
Beneficial effect
The scalable teaching pole with laser pen that the present invention provides a kind of.Have compared with prior art following beneficial to effect
Fruit:
(1), the installation of the first side should be fixedly connected with by the side of the first teaching pole with the scalable teaching pole of laser pen
Box, being internally embedded for the first side mounting box are connected with laser pen fixed bin, and being internally embedded for laser pen fixed bin is connected with laser
The side of pen, the second teaching pole and third teaching pole offers side fixing groove, and being internally embedded for side fixing groove is connected with second side peace
Mounted box, second side mounting box are located at the side inside the fixing groove of side and are fixedly connected with compressed spring between the fixing groove of side, and first
The front surface of teaching pole and the second teaching pole offers card hole, and the inside of card hole is fixedly connected with dustproof membrane, and dustproof membrane is a kind of silicon
The inside of the component of glue material matter, the second teaching pole and third teaching pole offers mounting groove, and the internal slide of mounting groove is connected with card
Column is fixedly connected with the first connecting spring, the length of card column diameter and the length of card hole diameter between the side and mounting groove of card column
Degree is consistent, and the first side mounting box is consistent with the structure inside second side mounting box, and the outside of second side mounting box bottom end is circular arc
Shape, and the bottom end of second side mounting box is located at the inside of side fixing groove, the bottom inside the first side mounting box and second side mounting box
End is fixedly connected to fixed plate, and the side of fixed plate is provided with snap-gauge, and the side of snap-gauge is fixedly connected with side fixed button, and
It is fixedly connected with the second connecting spring between snap-gauge and fixed plate, and the side of side fixed button is through the first side mounting box or the
The side wall of two side mounting boxs is fixedly connected with dustproof membrane in card hole in the present invention, when not in use, can seal up card hole, can
To have prevented dust entrance, by the second teaching pole of pull and third teaching pole, the length of teaching pole can be elongated, structure is simple, laser
Pen is mounted on inside laser pen fixed bin, can directly be installed, easy to operate, can increase circular laser pen and teaching pole
Or the contact area of desktop, it can prevent laser pen from sliding, the side of teaching pole is provided with multiple mounting boxs, can be according to teaching pole
Length select installation, can to avoid laser pen brightness reduction the problem of.
(2), it should be connected with the scalable teaching pole of laser pen by the internal slide for including the first teaching pole, the first teaching pole
Second teaching pole, the internal slide of the second teaching pole are connected with third teaching pole, and the bottom end of the first teaching pole is fixedly connected with rotation connection block,
The inner rotation of rotation connection block is connected with sucker, and the front surface of the first teaching pole offers accommodating groove, the inner rotation of accommodating groove
It is connected with support rod, the first teaching pole front surface is fixedly connected with sub- velcro, and table before the first teaching pole close to the side of accommodating groove
Face is fixedly connected with female velcro close to the other side of accommodating groove, by two velcro, can incite somebody to action when not using support rod
It is fixed, and teacher can be prevented to be supported bar obstruction when in use, can be by support rod from storage when not using teaching pole
It produces in slot, when teaching pole can be fixed on to smooth desktop by sucker, can relatively rotate between sucker and teaching pole,
Teaching pole can prevent its rotational angle excessive in being fixed at the edge for turning to accommodating groove, and teaching pole is fixed on table
It on face, can prevent teaching pole from sliding from desktop, influence quality of instruction, and when need to use, it is convenient to find, letter of taking
It is single.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the scheme of installation of second mounting box of the invention；
Fig. 3 is the mounting structure schematic diagram of the first teaching pole and the second teaching pole of the invention；
Fig. 4 is the mounting structure schematic diagram of laser pen fixed bin of the present invention and the first side mounting box.
In figure: the first teaching pole of 1-, 2- rotation connection block, 3- sucker, 4- accommodating groove, 5- support rod, 6- sub- velcro, 7- are female
Velcro, the first side 8- mounting box, 9- laser pen, 10- second side mounting box, the second teaching pole of 11-, 12- third teaching pole, 13- card
Hole, 14- dustproof membrane, the side 15- fixing groove, 16- compressed spring, 17- laser pen fixed bin, 111- mounting groove, 112- card column, 113-
First connecting spring, the side 161- fixed button, 162- fixed plate, the second connecting spring of 163-, 164- snap-gauge, 171- side channel,
172- fixed card buckle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of scalable teaching pole with laser pen, including the
One teaching pole 1, the internal slide of the first teaching pole 1 are connected with the second teaching pole 11, and the internal slide of the second teaching pole 11 is connected with third teaching pole
12, the front surface of the first teaching pole 1 and the second teaching pole 11 offers card hole 13, and the inside of card hole 13 is fixedly connected with dustproof membrane
14, dustproof membrane 14 is a kind of component of silica gel material, and the inside of the second teaching pole 11 and third teaching pole 12 offers mounting groove
111, the internal slide of mounting groove 111 is connected with card column 112, and is fixedly connected between the side and mounting groove 111 of card column 112
The length of one connecting spring 113,112 diameter of card column is consistent with the length of 13 diameter of card hole, and the bottom end of the first teaching pole 1 is fixedly connected
There is rotation connection block 2, the inner rotation of rotation connection block 2 is connected with sucker 3, and the front surface of the first teaching pole 1 offers accommodating groove
4, the inner rotation of accommodating groove 4 is connected with support rod 5, and 1 front surface of the first teaching pole is fixedly connected with son close to the side of accommodating groove 4
Velcro 6, and 1 front surface of the first teaching pole is fixedly connected with female velcro 7 close to the other side of accommodating groove 4, passes through two magics
Patch can be fixed when not using support rod 5, and teacher can be prevented to be supported the obstruction of bar 5 when in use, do not made
When with teaching pole, support rod 5 can be produced from accommodating groove 4, when teaching pole can be fixed on to smooth desktop by sucker 3,
It can relatively rotate between sucker 3 and teaching pole, it, can be with during teaching pole can be fixed when turning to the edge of accommodating groove 4
It prevents its rotational angle excessive, teaching pole is fixed on the table, can prevent teaching pole from sliding from desktop, influence quality of instruction,
And it is convenient when need to use, to find, and takes simple, and the side of the first teaching pole 1 is fixedly connected with the first side mounting box 8, the
Side mounting box 8 is consistent with the structure inside second side mounting box 10, and the outside of 10 bottom end of second side mounting box is arc-shaped, and
The bottom end of second side mounting box 10 is located at the inside of side fixing groove 15, inside the first side mounting box 8 and second side mounting box 10
Bottom end is fixedly connected to fixed plate 162, and the side of fixed plate 162 is provided with snap-gauge 164, and the side of snap-gauge 164 is fixedly connected
There is side fixed button 161, and be fixedly connected with the second connecting spring 163 between snap-gauge 164 and fixed plate 162, and side fixation is pressed
The side of button 161 is through the first side mounting box 8 or the side wall of second side mounting box 10, the company of being internally embedded of the first side mounting box 8
Be connected to laser pen fixed bin 17, the bottom end of laser pen fixed bin 17 offers card slot, and laser pen fixed bin 17 by card hole with
Snap-gauge 164 connects, and the bottom end of 17 two sides of laser pen fixed bin offers side channel 171, and the inner rotation of side channel 171 is connected with solid
Surely 172 are buckled, for the setting of fixed card buckle 172 there are three rotor plate, being internally embedded for laser pen fixed bin 17 is connected with laser pen 9,
The side of second teaching pole 11 and third teaching pole 12 offers side fixing groove 15, and being internally embedded for side fixing groove 15 is connected with second
Side mounting box 10, second side mounting box 10 are located at the side inside side fixing groove 15 and are fixedly connected with pressure between side fixing groove 15
Contracting spring 16 is fixedly connected with dustproof membrane 14 in card hole 13 in the present invention, when not in use, can seal up card hole 13, can be with
Dust entrance has been prevented, by the second teaching pole of pull 11 and third teaching pole 12, the length of teaching pole can be elongated, structure is simple, swashs
Light pen 9 is mounted on inside laser pen fixed bin 17, can directly be installed, easy to operate, can increase circular laser pen 9
With the contact area of teaching pole or desktop, it can prevent laser pen 9 from sliding, the side of teaching pole is provided with multiple mounting boxs, can be with
The problem of selecting to install according to the length of teaching pole, being reduced to avoid 9 brightness of laser pen.
When work, the second teaching pole 11 and third teaching pole 12 are extracted, when card column 112 is pulled card hole 13, the meeting of card column 112 exists
It is popped up from card hole 13 under the drive of first connecting spring 113, to the second teaching pole 11 is fixed in the first teaching pole 1, by
Three teaching poles 12 are fixed in the second teaching pole 11, and when the second teaching pole 11 and third teaching pole 12 skid off, second side mounting box 10 is being lost
After going the support of the first teaching pole 1 or the second teaching pole 11, it can be popped up from side fixing groove 15 under the drive of compressed spring 16, together
When press side fixed button 161, side fixed button 161 can compress the second connecting spring 163, snap-gauge 164 is fixed from laser pen
It exits in the card slot of 17 bottom end of box, then at once takes out laser pen fixed bin 17 and laser pen 9 from the first side mounting box 8,
Laser pen fixed bin 17 and laser pen 9 can be installed in second side mounting box 10 not being blocked, be needed solid from laser pen
When determining to take out laser pen 9 in box 17, fixed card buckle 172 can be rotated from the side channel 171 of 17 two sides of laser pen fixed bin, allow fixation
What buckle 172 was contacted with laser pen 9 is partially disengaged laser pen 9, while can lift laser pen 9, can be with when without using teaching pole
Female velcro 7 is detached from from sub- velcro 6, then support rod 5 is produced, sucker 3 is put on desktop, utilizes support rod 5
On the table by teaching pole support.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. the internal slide of a kind of scalable teaching pole with laser pen, including the first teaching pole (1), first teaching pole (1) connects
Have the second teaching pole (11), the internal slide of second teaching pole (11) is connected with third teaching pole (12), it is characterised in that: described
The bottom end of one teaching pole (1) is fixedly connected with rotation connection block (2), and the inner rotation of rotation connection block (2) is connected with sucker
(3), the front surface of first teaching pole (1) offers accommodating groove (4), and the inner rotation of the accommodating groove (4) is connected with support
Bar (5), the first teaching pole (1) front surface are fixedly connected with sub- velcro (6) close to the side of accommodating groove (4), and the first religion
Bar (1) front surface is fixedly connected with female velcro (7) close to the other side of accommodating groove (4), and the side of first teaching pole (1) is solid
Surely it is connected with the first side mounting box (8), being internally embedded for first side mounting box (8) is connected with laser pen fixed bin (17),
Being internally embedded for the laser pen fixed bin (17) is connected with laser pen (9), second teaching pole (11) and third teaching pole (12)
Side offer side fixing groove (15), being internally embedded for the side fixing groove (15) is connected with second side mounting box (10),
Second side mounting box (10), which is located between the internal side of side fixing groove (15) and side fixing groove (15), is fixedly connected with pressure
Contracting spring (16).
2. a kind of scalable teaching pole with laser pen according to claim 1, it is characterised in that: first teaching pole
(1) it is offered card hole (13) with the front surface of the second teaching pole (11), the inside of the card hole (13) is fixedly connected with dustproof membrane
(14), the dustproof membrane (14) is a kind of component of silica gel material.
3. a kind of scalable teaching pole with laser pen according to claim 1 or 2, it is characterised in that: second religion
The inside of bar (11) and third teaching pole (12) offers mounting groove (111), and the internal slide of the mounting groove (111) is connected with
Card column (112) is fixedly connected with the first connecting spring (113), institute between the side and mounting groove (111) of the card column (112)
The length for stating card column (112) diameter is consistent with the length of card hole (13) diameter.
4. a kind of scalable teaching pole with laser pen according to claim 1, it is characterised in that: the first side installation
Box (8) is consistent with the internal structure of second side mounting box (10), and the outside of second side mounting box (10) bottom end is arc-shaped,
And the bottom end of second side mounting box (10) is located at the inside of side fixing groove (15).
5. a kind of scalable teaching pole with laser pen according to claim 1 or 4, it is characterised in that: first side
The bottom end of mounting box (8) and second side mounting box (10) inside is fixedly connected to fixed plate (162), the fixed plate (162)
Side be provided with snap-gauge (164), the side of the snap-gauge (164) is fixedly connected with side fixed button (161), and snap-gauge
(164) it is fixedly connected between fixed plate (162) the second connecting spring (163), and the side of side fixed button (161) is run through
The side wall of first side mounting box (8) or second side mounting box (10).
6. a kind of scalable teaching pole with laser pen according to claim 1, it is characterised in that: the laser pen is fixed
The bottom end of box (17) offers card slot, and laser pen fixed bin (17) is connect by card hole with snap-gauge (164), and the laser pen is solid
The bottom end for determining box (17) two sides offers side channel (171), and the inner rotation of the side channel (171) is connected with fixed card buckle
(172), there are three rotor plates for fixed card buckle (172) setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586609.6A CN109599009A (en) | 2018-12-24 | 2018-12-24 | Telescopic teaching rod with laser pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586609.6A CN109599009A (en) | 2018-12-24 | 2018-12-24 | Telescopic teaching rod with laser pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599009A true CN109599009A (en) | 2019-04-09 |
Family
ID=65964350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811586609.6A Pending CN109599009A (en) | 2018-12-24 | 2018-12-24 | Telescopic teaching rod with laser pen |
Country Status (1)
| Country | Link |
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| CN (1) | CN109599009A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415535A (en) * | 2019-06-19 | 2019-11-05 | 扬州市法马智能设备有限公司 | A kind of traffic lights for facilitating traffic police to carry reply emergency |
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| CN205053075U (en) * | 2015-09-22 | 2016-03-02 | 南京工程学院 | Umbrella stick chute boot integration folding umbrella |
| CN205028512U (en) * | 2015-10-08 | 2016-02-10 | 黑龙江外国语学院 | Multifunctional pointer for english teaching |
| CN105913723A (en) * | 2016-06-08 | 2016-08-31 | 曹燕红 | Combined laser demonstrator |
| CN206456176U (en) * | 2017-01-23 | 2017-09-01 | 厦门大学嘉庚学院 | A kind of Simple picture frame |
| CN206584591U (en) * | 2017-03-13 | 2017-10-24 | 兰州工业学院 | A kind of Multifunctional electronic ferule |
| CN208240214U (en) * | 2017-11-14 | 2018-12-14 | 李夏 | Multi-modal English teaching device for English teaching |
| CN107767733A (en) * | 2017-12-14 | 2018-03-06 | 湖北工程职业学院 | A kind of Multifunctional pointer |
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| CN110415535A (en) * | 2019-06-19 | 2019-11-05 | 扬州市法马智能设备有限公司 | A kind of traffic lights for facilitating traffic police to carry reply emergency |
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Application publication date: 20190409 |