CN108597305A - A kind of board for teaching mathematics with dust-absorbing function - Google Patents
A kind of board for teaching mathematics with dust-absorbing function Download PDFInfo
- Publication number
- CN108597305A CN108597305A CN201810309251.6A CN201810309251A CN108597305A CN 108597305 A CN108597305 A CN 108597305A CN 201810309251 A CN201810309251 A CN 201810309251A CN 108597305 A CN108597305 A CN 108597305A
- Authority
- CN
- China
- Prior art keywords
- movable block
- lower movable
- board
- dust
- fixedly connected
- 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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Classifications
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- 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
- G09B19/00—Teaching not covered by other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
A kind of board for teaching mathematics with dust-absorbing function, including support plate, it is provided with height adjustment device on the downside of the support plate, the height adjustment device includes support column, it is fixedly connected on the upside of support column bottom end and pedestal, the groove of opening up setting is offered on the support column, lower movable block is provided in groove, lower movable block section is in the shape of a right-angled ladder, and the inclined-plane of lower movable block is arranged upward, the both sides of the lower movable block are fixedly connected with mobile bar, mobile through-hole is offered on the left of support column, left side mobile bar is located inside mobile through-hole, the mobile bar on right side is connected with driving device.The beneficial effects of the invention are as follows driving lower movable block to move to the right using driving device, lower movable block moves upwards upper movable block by idler wheel and rolling wheel support, to drive the raising of support plate height by fixed column；When driving device makes lower movable block move to the left, then the decline of movable block is realized.
Description
Technical field
The present invention relates to board for teaching mathematics technical fields, and in particular to a kind of board for teaching mathematics with dust-absorbing function.
Background technology
Board of education, that is, be engaged in utensil used in education sector writing demonstration, usual board of education be located in classroom or
Plate face in meeting room plays the role of explanation demonstration with chalk or free ink pen written contents.Therefore, board of education is in classroom
On importance it is self-evident.
The function of board of education in the prior art is relatively simple, is merely capable of realizing the function of writing, and can not achieve
Other functions, this has resulted in the teacher in teaching process, and there are more inconvenience, such as：After teacher's writing on the blackboard on classroom
It needs the letter written with chalk erasing on blackboard, workload is larger if using traditional blackboard eraser, when also wasting more classroom preciousness
Between；The angle of existing board of education can not be adjusted, and using effect is poor；In addition, when needing to carry out some atlas displayings to student
When, existing board of education suspension is very inconvenient；Since writing on the blackboard font is larger, the content of displaying is less simultaneously in board of education, if expanding
Big board of education is then difficult to store；In the prior art, the height of board of education is usually changeless, has certain limitation
Property.
Invention content
The purpose of the present invention is to provide a kind of board for teaching mathematics with dust-absorbing function, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of board for teaching mathematics with dust-absorbing function, including support plate, the support plate downside are provided with height and adjust
Device, the height adjustment device include support column, are fixedly connected on the upside of support column bottom end and pedestal, are opened up on the support column
There is the groove of opening up setting, lower movable block is provided in groove, lower movable block section is in the shape of a right-angled ladder, and lower movable block
Inclined-plane be arranged upward, the both sides of the lower movable block are fixedly connected with mobile bar, and mobile through-hole is offered on the left of support column, left
Sidesway lever is located inside mobile through-hole, and the mobile bar on right side is connected with driving device；It is provided with above the lower movable block
The section of upper movable block, upper movable block is in the shape of a right-angled ladder, and the inclined-plane of upper movable block is arranged downward, and on the inclined-plane of upper movable block
Shifting chute is offered, idler wheel is provided in shifting chute, idler wheel is fixedly connected by rolling wheel support with the inclined-plane of lower movable block, described
Upper movable block is fixedly connected by fixed column with support plate；Plate body, plate body rear side are connected with by shaft on the upside of the support plate
It is fixed with first axle, the rear side of support plate is equipped with second hinge, screw shell, thread bush are fixedly connected in second hinge
Cylinder is obliquely installed, and screw shell internal thread is connected with screw rod, and screw rod one end is rotatablely connected with first axle；It is opened up in the plate body
There are straight slot, the top and bottom end of straight slot to be provided with ball, two pieces of hide plates are equipped between the idler wheel of upper and lower both sides；Before the plate body
The upper and lower part of side is arranged with two sliding bars, slides and is arranged with the first slipping block on bar, two the first slipping blocks it
Between be equipped with strip blackboard eraser, slide and be additionally provided with several second slipping blocks on bar, geometrical clamp is fixedly connected on the downside of the second slipping block；
The plate body bottom, which is equipped with, holds ash-pit, holds in ash-pit and is disposed with ash sucking tube, offers ash absorbing hole on ash sucking tube, the ash sucking tube with
It is connected positioned at the ash storage box held in ash-pit, air-introduced machine is disposed on the ash sucking tube.
It is as further effect of the present invention：The driving device includes horizontal columns, and opening court is offered in horizontal columns
The mounting groove of left setting is provided with electromagnet in mounting groove, is provided with magnetic pole in the mounting groove on the left of electromagnet, on the left of magnetic pole with
Mobile bar is fixedly connected.
As the present invention, further effect is：It is symmetrically opened up on the groove madial wall there are two the first guide groove,
The first guide rod is provided in first guide groove, the first guide rod other end is fixedly connected with upper movable block.
As the present invention, further effect is：Second is oriented to there are two symmetrically being opened up on the mounting groove madial wall
Slot is provided with the second guide rod in the second guide groove, and the second guide rod other end is fixedly connected with mobile bar.
As the present invention, further effect is：The inclined-plane of the lower movable block is parallel with the inclined-plane of upper movable block to be set
It sets.
As the present invention, further effect is：The inclined-plane of the rolling wheel support and lower movable block is vertically arranged.
As the present invention, further effect is：The other end of the screw rod is connected with regulation handle.
As the present invention, further effect is：The both sides of the straight slot offer slippage slot, and the is equipped in slippage slot
Three slipping blocks, third slipping block are fixedly connected with hide plate.
As the present invention, further effect is：Second slipping block is equipped with the second lock holding screw.
The beneficial effects of the invention are as follows driving lower movable block to move to the right using driving device, lower movable block passes through idler wheel
Move upwards upper movable block with rolling wheel support, to drive the raising of support plate height by fixed column；When driving fills
It sets when lower movable block being made to move to the left, then realizes the decline of movable block；
It rotates screw rod, screw rod pulling or pushing plate trunk bending backwards or leans forward, to which plate body rotates around the axis, change plate body
Inclination angle, it is easy to use, while plate body reflective tape can also be solved the problems, such as not see font；Hide plate is drawn when in use
Go out, the writing on the blackboard in hide plate can be continued, when not in use, hide plate is pushed into, reduces the overall volume of board of education；Strip
Shape blackboard eraser is efficient to the wiping of writing on the blackboard, is effectively saved classroom valuable time, and the paper of larger map sheet is laid in plate body
Paper clamping is explained using geometrical clamp in surface；Dust is drawn into ash storage box from ash absorbing hole using air-introduced machine, is prevented
Drifting everywhere for dust is stopped, the health of teacher has been effectively ensured.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of height adjustment device of the present invention；
Fig. 3 is the structural schematic diagram of driving device of the present invention；
Fig. 4 is the A direction views in Fig. 1 of the present invention.
Specific implementation mode
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 describes, 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.
Please refer to Fig.1-Fig. 4, in the embodiment of the present invention, a kind of board for teaching mathematics with dust-absorbing function, including support plate
4,4 downside of the support plate is provided with height adjustment device 2, and the height adjustment device 2 includes support column 201, support column 201
Bottom end and the upside of pedestal 1 are fixedly connected, and offer the groove 202 of opening up setting on the support column 201, in groove 202
It is provided with lower movable block 203, lower 203 section of movable block is in the shape of a right-angled ladder, and the inclined-plane of lower movable block 203 is arranged upward, institute
The both sides for stating lower movable block 203 are fixedly connected with mobile bar 205, and 201 left side of support column offers mobile through-hole 204, and left side is moved
Lever 205 is located inside mobile through-hole 204, and the mobile bar 205 on right side is connected with driving device 206；The lower movable block 203
Top is provided with movable block 207, and the section of upper movable block 207 is in the shape of a right-angled ladder, and the inclined-plane court of upper movable block 207 divides into
It sets, and offers shifting chute on the inclined-plane of upper movable block 207, idler wheel 2010 is provided in shifting chute 209, idler wheel 2010 passes through rolling
Wheel support 2011 is fixedly connected with the inclined-plane of lower movable block 203, and the upper movable block 203 is solid by fixed column 208 and support plate 4
Fixed connection drives lower movable block 203 to move to the right, moves down when needing support plate 4 highly to increase using driving device 206
Motion block 203 moves upwards upper movable block 207 by idler wheel 2010 and rolling wheel support 2011, to by fixed column 208 come
Drive the raising of 4 height of support plate；When driving device 206 makes lower movable block 203 move to the left, then movable block is realized
207 decline；
The driving device 206 includes horizontal columns 2061, and the mounting groove being open towards left setting is offered in horizontal columns 2061
2062, it is provided with electromagnet 2063 in mounting groove 2062, magnetic pole 2064 is provided in the mounting groove 2062 in 2063 left side of electromagnet,
2064 left side of magnetic pole is fixedly connected with mobile bar 205, is passed through electric current to electromagnet 2063, electromagnet 2063 will produce and magnetic pole
2064 opposite magnetism, to attracting magnetic pole 2064, magnetic pole 2064 by mobile bar 205 drive lower movable block 203 to
It moves on right side；When being passed through reverse current to electromagnet 2063, then electromagnet 2063 will produce magnetism identical with magnetic pole 2064,
Magnetic pole 2064 is repelled, to make lower movable block 203 move to left.
First guide groove 2012 there are two symmetrically being opened up on 202 madial wall of the groove, the 2012 interior setting of the first guide groove
There are the first guide rod 2013,2013 other end of the first guide rod to be fixedly connected with upper movable block 207.
It is symmetrically opened up on 2062 madial wall of the mounting groove there are two the second guide groove 2065, is set in the second guide groove 2065
It is equipped with the second guide rod 2066,2066 other end of the second guide rod is fixedly connected with mobile bar 205.
The inclined-plane on the inclined-plane and upper movable block 207 of the lower movable block 203 is arranged in parallel.
The rolling wheel support 2011 and the inclined-plane of lower movable block 207 are vertically arranged.
4 upside of the support plate is connected with plate body 7 by shaft 15, and 7 rear side of plate body is fixed with first axle 19, supports
The rear side of plate 4 is equipped with second hinge 21, and screw shell 22 is fixedly connected in second hinge 21, and screw shell 22 is obliquely installed,
22 internal thread of screw shell is connected with screw rod 20, and 20 one end of screw rod is rotatablely connected with first axle 19, rotates screw rod 20, screw rod 20
It is matched with screw shell 22, screw rod 20 pulls or pushes the layback of plate body 7 or leans forward, and to 15 rotation around the shaft of plate body 7, changes
The inclination angle of plate body 7, it is easy to use, while can also solve the problems, such as 7 reflective tape of plate body not see font；
Straight slot 24 is offered in the plate body 7, the top and bottom end of straight slot 24 are provided with ball 16, the idler wheel of upper and lower both sides
Between 16 be equipped with two pieces of hide plates 6, hide plate 6 is pulled out when in use, the writing on the blackboard in hide plate 6 can be continued, without using
When, hide plate 6 is pushed into, the overall volume of board of education is reduced；
The upper and lower part of 7 leading flank of the plate body is arranged with two sliding bars 8, slides and is arranged with the first cunning on bar 8
Block 9 is moved, strip blackboard eraser 10 is equipped between two the first slipping blocks 9, strip is driven by mobile two the first slipping blocks 9
The movement of blackboard eraser 10 just can wipe the writing on the blackboard on entire plate body 7 strip blackboard eraser 10 from the mobile right side in 7 left side of plate body
It wipes, relatively traditional wiping greatly improves wiping efficiency, is effectively saved the classroom quality time；
Several second slipping blocks 25 are additionally provided on sliding bar 9,25 downside of the second slipping block is fixedly connected with geometrical clamp 26, will
The paper of larger map sheet is laid in 7 surface of plate body, is explained paper clamping using geometrical clamp 26；
7 bottom of the plate body, which is equipped with, holds ash-pit 5, holds in ash-pit 5 and is disposed with ash sucking tube 11, and suction ash is offered on ash sucking tube 11
Hole 12, the ash sucking tube 11 are connected with positioned at the ash storage box 14 held in ash-pit 5, and air-introduced machine 13, quilt are disposed on ash sucking tube 11
Strip blackboard eraser 10 wipe after dust fall on and hold in ash-pit 5 after, start air-introduced machine 12, air-introduced machine 12 is by dust from ash absorbing hole 12
Place is drawn into ash storage box 14, it is therefore prevented that dust drifts everywhere, and the health of teacher has been effectively ensured.
The telescopic mast 2 is equipped with adjusting bolt 3.
The other end of the screw rod 20 is connected with regulation handle 23.
The both sides of the straight slot 24 offer slippage slot 17, and third slipping block 18, third slipping block 18 are equipped in slippage slot 7
It is fixedly connected with hide plate 6, third slipping block 18 play the guiding role.
Second slipping block 25 is equipped with the second lock holding screw 27, and the second lock holding screw 27 is to the second slipping block 25
It is locked, the second slipping block 25 when not in use, unclamps the second lock holding screw 27, all shifts the second slipping block 25 onto cunning
8 right end of bar is moved, avoids interfering the first slipping block 9.
The present invention operation principle be：When needing to adjust the height of support plate 4, electric current is passed through to electromagnet 2063, electricity
Magnet 2063 will produce the magnetism opposite with magnetic pole 2064, and to attract magnetic pole 2064, magnetic pole 2064 passes through mobile bar
205 drive lower movable block 203 to move to the right；When being passed through reverse current to electromagnet 2063, then electromagnet 2063 will produce
Magnetism identical with magnetic pole 2064, repels magnetic pole 2064, to make lower movable block 203 move to left；Utilize driving device 206
Lower movable block 203 is driven to move to the right, lower movable block 203 makes upper movable block by idler wheel 2010 and rolling wheel support 2011
207 move upwards, to drive the raising of 4 height of support plate by fixed column 208；When driving device 206 makes lower movable block
203 when moving to the left, then realizes the decline of movable block 207；
Screw rod 20 is rotated, screw rod 20 is matched with screw shell 22, and screw rod 20 pulls or pushes the layback of plate body 7 or leans forward,
To 15 rotation around the shaft of plate body 7, the inclination angle of plate body 7 is changed, it is easy to use, while 7 reflective tape of plate body can also be solved
Not the problem of not seeing font；Hide plate 6 is pulled out when in use, the writing on the blackboard in hide plate 6 can be continued, it when not in use, will
Hide plate 6 is pushed into, and reduces the overall volume of board of education；Strip blackboard eraser 10 is driven by mobile two the first slipping blocks 9
Movement, strip blackboard eraser 10 just can wipe the writing on the blackboard on entire plate body 7 from the mobile right side in the left side of plate body 7, relatively
Traditional wiping greatly improves wiping efficiency, is effectively saved the classroom quality time；The paper of larger map sheet is laid in
Paper clamping is explained using geometrical clamp 26 in 7 surface of plate body；Dust after being wiped by strip blackboard eraser 10 falls on appearance ash-pit
After in 5, start air-introduced machine 12, dust is drawn into from ash absorbing hole 12 in ash storage box 14 by air-introduced machine 12, it is therefore prevented that the four of dust
Place is drifted, and the health of teacher has been effectively ensured.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (9)
1. a kind of board for teaching mathematics with dust-absorbing function, including support plate, which is characterized in that be provided on the downside of the support plate
Height adjustment device, the height adjustment device include support column, are fixedly connected on the upside of support column bottom end and pedestal, the support
The groove of opening up setting is offered on column, and lower movable block is provided in groove, lower movable block section is in the shape of a right-angled ladder, and
The inclined-plane of lower movable block is arranged upward, and the both sides of the lower movable block are fixedly connected with mobile bar, and shifting is offered on the left of support column
Dynamic through-hole, left side mobile bar are located inside mobile through-hole, and the mobile bar on right side is connected with driving device；On the lower movable block
Side is provided with movable block, and the section of upper movable block is in the shape of a right-angled ladder, and the inclined-plane of upper movable block is arranged downward, and upper movable block
Inclined-plane on offer shifting chute, idler wheel is provided in shifting chute, idler wheel is fixed by the inclined-plane of rolling wheel support and lower movable block
Connection, the upper movable block are fixedly connected by fixed column with support plate；Plate body is connected with by shaft on the upside of the support plate,
First axle is fixed on rear side of plate body, the rear side of support plate is equipped with second hinge, thread bush is fixedly connected in second hinge
Cylinder, screw shell are obliquely installed, and screw shell internal thread is connected with screw rod, and screw rod one end is rotatablely connected with first axle；It is described
Straight slot is offered in plate body, the top and bottom end of straight slot are provided with ball, two pieces of hide plates are equipped between the idler wheel of upper and lower both sides；
The upper and lower part of the plate body leading flank is arranged with two sliding bars, slides and is arranged with the first slipping block on bar, two the
It is equipped with strip blackboard eraser between one slipping block, slides and is additionally provided with several second slipping blocks on bar, it is fixed on the downside of the second slipping block to connect
It is connected to geometrical clamp；The plate body bottom, which is equipped with, holds ash-pit, holds in ash-pit and is disposed with ash sucking tube, ash absorbing hole is offered on ash sucking tube,
The ash sucking tube is connected with positioned at the ash storage box held in ash-pit, and air-introduced machine is disposed on the ash sucking tube.
2. a kind of board for teaching mathematics with dust-absorbing function according to claim 1, which is characterized in that the driving device
Including horizontal columns, the mounting groove being open towards left setting is offered in horizontal columns, and electromagnet, electromagnet left side are provided in mounting groove
Mounting groove in be provided with magnetic pole, be fixedly connected with mobile bar on the left of magnetic pole.
3. a kind of board for teaching mathematics with dust-absorbing function according to claim 1, which is characterized in that on the inside of the groove
It is symmetrically opened up on wall there are two the first guide groove, is provided with the first guide rod in the first guide groove, first guide rod is another
End is fixedly connected with upper movable block.
4. a kind of board for teaching mathematics with dust-absorbing function according to claim 2, which is characterized in that in the mounting groove
It is symmetrically opened up on side wall there are two the second guide groove, the second guide rod, the second guide rod other end is provided in the second guide groove
It is fixedly connected with mobile bar.
5. a kind of board for teaching mathematics with dust-absorbing function according to claim 1, which is characterized in that the lower movable block
The inclined-plane on inclined-plane and upper movable block be arranged in parallel.
6. a kind of board for teaching mathematics with dust-absorbing function according to claim 1 or 5, which is characterized in that the idler wheel
The inclined-plane of holder and lower movable block is vertically arranged.
7. a kind of board for teaching mathematics with dust-absorbing function according to claim 1, which is characterized in that the screw rod it is another
One end is connected with regulation handle.
8. a kind of board for teaching mathematics with dust-absorbing function according to claim 1, which is characterized in that the two of the straight slot
Side offers slippage slot, is equipped with third slipping block in slippage slot, third slipping block is fixedly connected with hide plate.
9. a kind of board for teaching mathematics with dust-absorbing function according to claim 8, which is characterized in that second sliding
Block is equipped with the second lock holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309251.6A CN108597305A (en) | 2018-04-09 | 2018-04-09 | A kind of board for teaching mathematics with dust-absorbing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810309251.6A CN108597305A (en) | 2018-04-09 | 2018-04-09 | A kind of board for teaching mathematics with dust-absorbing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108597305A true CN108597305A (en) | 2018-09-28 |
Family
ID=63621407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810309251.6A Pending CN108597305A (en) | 2018-04-09 | 2018-04-09 | A kind of board for teaching mathematics with dust-absorbing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108597305A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363400A (en) * | 2018-12-21 | 2019-02-22 | 张艺凡 | A kind of teaching demonstration device |
| CN109747299A (en) * | 2019-01-17 | 2019-05-14 | 潍坊护理职业学院 | A kind of board of education with dedusting function |
| CN110645450A (en) * | 2019-09-17 | 2020-01-03 | 南京信息职业技术学院 | Dustproof device of automobile electric control system detection equipment |
| CN112895769A (en) * | 2021-03-04 | 2021-06-04 | 焦作大学 | Push-pull blackboard for English teaching |
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| CN102756030A (en) * | 2012-07-30 | 2012-10-31 | 绍兴文理学院 | Continuous punch forming device |
| CN205281884U (en) * | 2015-12-17 | 2016-06-01 | 武汉东湖学院 | Teaching classroom over -and -under type teaching aid clamping device |
| CN205606184U (en) * | 2016-04-28 | 2016-09-28 | 江西华亿香料化工有限公司 | Spices production is with flourishing gas pitcher of movable |
| CN205870354U (en) * | 2016-07-31 | 2017-01-11 | 浙江申豪新材料有限公司 | Lamp -box fabric firmness detects uses clamping device |
| CN107351575A (en) * | 2017-08-28 | 2017-11-17 | 任国平 | A kind of teaching board of education with height lock function |
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2018
- 2018-04-09 CN CN201810309251.6A patent/CN108597305A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756030A (en) * | 2012-07-30 | 2012-10-31 | 绍兴文理学院 | Continuous punch forming device |
| CN205281884U (en) * | 2015-12-17 | 2016-06-01 | 武汉东湖学院 | Teaching classroom over -and -under type teaching aid clamping device |
| CN205606184U (en) * | 2016-04-28 | 2016-09-28 | 江西华亿香料化工有限公司 | Spices production is with flourishing gas pitcher of movable |
| CN205870354U (en) * | 2016-07-31 | 2017-01-11 | 浙江申豪新材料有限公司 | Lamp -box fabric firmness detects uses clamping device |
| CN107351575A (en) * | 2017-08-28 | 2017-11-17 | 任国平 | A kind of teaching board of education with height lock function |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363400A (en) * | 2018-12-21 | 2019-02-22 | 张艺凡 | A kind of teaching demonstration device |
| CN109747299A (en) * | 2019-01-17 | 2019-05-14 | 潍坊护理职业学院 | A kind of board of education with dedusting function |
| CN110645450A (en) * | 2019-09-17 | 2020-01-03 | 南京信息职业技术学院 | Dustproof device of automobile electric control system detection equipment |
| CN112895769A (en) * | 2021-03-04 | 2021-06-04 | 焦作大学 | Push-pull blackboard for English teaching |
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