CN209666697U - A kind of dustproof blackboard wiped by opposite sliding - Google Patents
A kind of dustproof blackboard wiped by opposite sliding Download PDFInfo
- Publication number
- CN209666697U CN209666697U CN201920180534.5U CN201920180534U CN209666697U CN 209666697 U CN209666697 U CN 209666697U CN 201920180534 U CN201920180534 U CN 201920180534U CN 209666697 U CN209666697 U CN 209666697U
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- panel
- sliding slot
- coil
- sliding
- blackboard
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Abstract
The utility model discloses a kind of dustproof blackboards wiped by opposite sliding, including rectangle blackboard framework, the movable A panel being fastened in blackboard framework, B panel, and are fixed at the fixed plate at the blackboard framework back side；Length is provided with the first iron core, the second iron core in A panel；Length is provided with third iron core, the 4th iron core in B panel, there are four magnet for fixed setting along its length in fixed plate.By the way that first sliding groove, second sliding slot, third sliding slot, the 4th sliding slot, the 5th sliding slot, the 6th sliding slot is arranged, and iron core and coil are set in A panel, panel B, utilize coil energizing magnetic, the place-exchange that panel realizes interior outside by long rails can be achieved, achieve the purpose that recycle erasing blackboard using friction, laborsaving and erasing is more clean.By the way that dust excluder is arranged, it can be achieved that the chalk dust for the generation that erases the board does not leak in A panel, panel B, people is avoided to suck dust.
Description
Technical field
The utility model more particularly to it is a kind of by opposite sliding wiped can dustproof blackboard.
Background technique
It is erased the board at present still using common small blackboard eraser, there are still many shortcomings, and erasing work is time-consuming and laborious, and powder
Dirt has adverse effect to the health of teachers and students.
In addition, blackboard size used at present is larger, and blackboard eraser is smaller, cleans off a blackboard and generally requires the long period.Due to
Be manpower erasing, cause dynamics it is bad grasp and it is time-consuming and laborious and ineffective, blackboard often rubs uncleanly, and the wiping that gets wet
Although wiping completely, but do not do for the moment, influences teacher's teaching.Unusual expense when blackboard eraser needs to wipe at the top of blackboard
Power often will look for tall classmate to wipe, and sawed-off classmate often wipes less than and having dead angle.
Summary of the invention
The purpose of this utility model is to provide a kind of dustproof blackboards wiped by opposite sliding, solve existing skill
The technical issues of it is time-consuming and laborious to wipe blackboard in art, and is also easy to produce dust.
In order to solve the above-mentioned technical problem, the utility model is implemented with the following technical solutions:
It is a kind of by opposite sliding wiped can dustproof blackboard, including rectangle blackboard framework, it is movable be fastened on it is black
A panel, B panel in plate framework, and it is fixed at the fixed plate at the blackboard framework back side；A panel, the correspondence of B panel are several
What size is identical；The length of blackboard framework is equal to the sum of A panel and B panel length；
The blackboard framework includes horizontally disposed upper side frame, lower frame, and the left frame and left frame that are vertically arranged；
The bottom surface of upper side frame is opened up with the upper surface of lower frame along its length there are two parallel horizontal concrete chute, and it is sliding to be denoted as first
Slot and second sliding slot, wherein second sliding slot is close to fixed plate；There are four the bottom surface of upper side frame and the upper surface of lower frame open up
The vertical chute, is successively denoted as third sliding slot, the 4th sliding slot, the 5th sliding slot and the 6th sliding slot from left to right, and third sliding slot, the 4th are slided
Slot, the 5th sliding slot, the 6th sliding slot are connected to first sliding groove and second sliding slot, the spacing and the 5th of third sliding slot, the 4th sliding slot
Sliding slot, the spacing of the 6th sliding slot are identical；
The top edge of the A panel and B panel, lower edge are each provided with two idler wheels, and the spacing of two idler wheels is equal to
The spacing of third sliding slot and the 4th sliding slot；A panel is fastened on corresponding first by the four rolling of top edge and lower edge and slides
In slot or second sliding slot, B panel is fastened on corresponding second sliding slot or the first cunning by the four rolling of top edge and lower edge
In slot；
Length is provided with the first iron core, the second iron core in the A panel, is wound with first coil on the first iron wire, the
Be wound with the second coil on two iron wires, first coil and the second coil around to opposite；Length is provided with third iron in B panel
Core, the 4th iron core are wound with tertiary coil on third iron wire, the 4th coil, tertiary coil and the 4th are wound on the 4th iron wire
Coil around to opposite；Battery and single-pole double-throw switch (SPDT) are provided on blackboard framework, first coil and tertiary coil connect to be formed
The first branch, first coil and tertiary coil around to opposite；Second coil and the 4th coil connect to form second branch, and second
Coil and the 4th coil around to opposite；After the first branch is in parallel with second branch and battery, single-pole double-throw switch (SPDT) are in series
Circuit；
There are four magnet for fixed setting along its length in the fixed plate, and the pole orientation of four magnet is identical,
Magnetic pole close to A panel and B panel side is the pole N.
It is further improved, the back side of the A panel and B panel is provided with felt, and opposite move occurs for A panel and B panel
When dynamic, felt can wipe the person's handwriting write on A panel or B panel.
When normal use, A panel is fastened in first sliding groove, and B panel is fastened in second sliding slot, and A panel and B panel
It is set gradually along blackboard framework length direction, A panel is located at the left side, and B panel is located at the right, when A panel and B panel Confucian classics
It writes；At this point, A panel to be pushed to the right end of blackboard framework to, B panel is pushed to the left end of blackboard framework, in A panel and B panel
During relatively moving, the felt of A panel back setting wipes the person's handwriting write on B panel, when A panel pushes away
To the right end of blackboard framework, after B panel shifts the left end of blackboard framework onto, the person's handwriting write on B panel is wiped out completely；So
Afterwards, single-pole double-throw switch (SPDT) is closed to side, first coil and tertiary coil are connected the first branch to be formed and battery, single-pole double throw
Circuit in series is switched, has electric current to flow through in circuit, since first coil and tertiary coil are around on the contrary, at this point, first
Magnetic pole of the iron core close to fixed plate side is the pole S, and magnetic pole of the third iron core close to fixed plate side is the pole N, then in different magnetic poles
Attracting, under the action of same pole is repelled, two idler wheels of A panel are slided by the 5th sliding slot, the 6th sliding slot from first sliding groove
In second sliding slot, A panel card is driven to be set in second sliding slot, while two idler wheels of B panel pass through third sliding slot, the 4th sliding slot
It is slided into first sliding groove from second sliding slot, B panel card is driven to be set in first sliding groove；Then push B panel to blackboard framework
A panel is pushed to the left end of blackboard framework by right end, and during A panel and B panel relatively move, B panel back is set
The felt set wipes the person's handwriting write on A panel, and the person's handwriting write on A panel is wiped out completely.A panel at this time
It is fastened in second sliding slot, B panel is fastened in first sliding groove, after A panel and B panel have been write again；Repeat above-mentioned mistake
Journey closes single-pole double-throw switch (SPDT) to the other side after person's handwriting write on A panel is wiped out completely, the second coil and the 4th
Coil is connected the second branch to be formed and battery, single-pole double-throw switch (SPDT) circuit in series, has electric current to flow through in circuit, due to the
Two coil and the 4th coil around on the contrary, at this point, the magnetic pole of the close fixed plate side of the second iron core is the pole N, the 4th iron core leans on
The magnetic pole of nearly fixed plate side is the pole S, then attracting in different magnetic poles, under the action of same pole is repelled, two idler wheels of A panel
It is slided into first sliding groove by the 5th sliding slot, the 6th sliding slot from second sliding slot, drives A panel card to be set in first sliding groove, while B
Two idler wheels of panel are slided into second sliding slot by third sliding slot, the 4th sliding slot from first sliding groove, and B panel card is driven to be set to the
In two sliding slots to, then B panel is pushed to the right end of blackboard framework, A panel is pushed to the left end of blackboard framework, in A panel and the face B
During plate relatively moves, the felt of A panel back setting wipes the person's handwriting write on B panel, by B panel
The person's handwriting of upper writing is wiped out completely.So far, a circulation is completed, A panel and B panel restore initial position.
By the way that first sliding groove, second sliding slot is arranged, A panel, B panel can be moved horizontally in horizontal concrete chute by idler wheel,
Relative displacement and the person's handwriting on erasing blackboard are generated, it is easy to operate, do not have to manual wipping blackboard, saves manpower.
By the way that third sliding slot, the 4th sliding slot, four the 5th sliding slot, the 6th sliding slot the vertical chutes is arranged, and in A panel, the face B
Iron core and coil are set in plate, using coil energizing magnetic, it can be achieved that panel realizes the position in interior outside by long rails
Exchange is set, achievees the purpose that recycle erasing blackboard using friction, laborsaving and more clean, the high degree of automation of erasing, operation
It is convenient.
It is further improved, the back side both ends of the A panel and B panel are provided with dust excluder, it can be achieved that the generation that erases the board
Chalk dust do not leak, avoid people suck dust.
It is further improved, the idler wheel is universal wheel, and rotation is flexible, anti-block.
It is further improved, the dust excluder is to prevent the dust excluder in moving process from scratching A panel with elastic rubber strip
And/or B panel.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, by setting first sliding groove, second sliding slot, A panel, B panel can be moved by the way that idler wheel is horizontal in horizontal concrete chute
It is dynamic, generate relative displacement and the person's handwriting on erasing blackboard, it is easy to operate, do not have to manual wipping blackboard, saves manpower.
2, by setting third sliding slot, the 4th sliding slot, four the 5th sliding slot, the 6th sliding slot the vertical chutes, and A panel,
Iron core and coil are set in panel B, using coil energizing magnetic, it can be achieved that panel realizes interior outside by long rails
Place-exchange achievees the purpose that recycle erasing blackboard using friction, laborsaving and wipe more clean, high degree of automation, behaviour
Facilitate.
3, by the way that dust excluder is arranged, it can be achieved that the chalk dust for the generation that erases the board does not leak in A panel, panel B, people is avoided
Suck dust.
Detailed description of the invention
Fig. 1 is the dustproof blackboard front view described in the utility model wiped by opposite sliding.
Fig. 2 is the rearview of the utility model A panel.
Fig. 3 is the schematic diagram of the utility model fixed plate.
Fig. 4 is this practical new blackboard framework lower edge structure chart.
Fig. 5 is the utility model blackboard circuit diagram.
Specific embodiment
To keep the purpose of this utility model and technical solution clearer, below in conjunction with the utility model embodiment to this
The technical solution of utility model is clearly and completely described.
As shown in Figure 1-3, it is a kind of by opposite sliding wiped can dustproof blackboard, including it is rectangle blackboard framework 1, living
Dynamic formula is fastened on A panel 2, B panel 3 in blackboard framework, and is fixed at the fixed plate 4 at the blackboard framework back side；A panel
2, the correspondence geometric dimension of B panel 3 is identical；The length of blackboard framework 1 is equal to the sum of A panel and B panel length.
The blackboard framework includes horizontally disposed upper side frame, lower frame 101, and the left frame being vertically arranged and the right
Frame；The bottom surface of upper side frame is opened up with the upper surface of lower frame along its length there are two parallel horizontal concrete chute, is denoted as the
One sliding slot 11 and second sliding slot 12, wherein second sliding slot 12 is close to fixed plate；The bottom surface of upper side frame and the upper surface of lower frame are equal
The vertical chute there are four opening up, is successively denoted as third sliding slot 13, the 4th sliding slot 14, the 5th sliding slot 15 and the 6th sliding slot from left to right
16, third sliding slot, the 4th sliding slot, the 5th sliding slot, the 6th sliding slot are connected to first sliding groove and second sliding slot, third sliding slot,
The spacing of four sliding slots is identical with the 5th sliding slot, the spacing of the 6th sliding slot.
The top edge of the A panel 2 and B panel 3, lower edge are each provided with two idler wheels 6, the spacing of two idler wheels 6
Equal to the spacing of third sliding slot 13 and the 4th sliding slot 14；A panel is fastened on first by the four rolling of top edge and lower edge
In sliding slot, B panel is fastened in second sliding slot by the four rolling of top edge and lower edge.
Length is provided with the first iron core 23, the second iron core 24 in the A panel 2, is wound with First Line on the first iron wire
Circle, is wound with the second coil on the second iron wire, first coil and the second coil around to opposite；It is provided in B panel 3 along length
Third iron core, the 4th iron core are wound with tertiary coil on third iron wire, the 4th coil, tertiary coil are wound on the 4th iron wire
With the 4th coil around to opposite；Battery E and single-pole double-throw switch (SPDT) K, first coil and tertiary coil are provided on blackboard framework
Series connection forms the first branch 50, first coil and tertiary coil around to opposite；Second coil and the 4th coil connect to form
Two branches 60, the second coil and the 4th coil around to opposite；After the first branch is in parallel with second branch and battery E, hilted broadsword are double
Throw switch circuit in series.
Magnet 5 there are four being fixedly installed along its length in the fixed plate 4, and the pole orientation phase of four magnet 5
Together, the magnetic pole close to 3 side of A panel 2 and B panel is the pole N.
In the present embodiment, the back side of the A panel and B panel is provided with felt 21, and phase occurs for A panel and B panel
When to movement, felt 21 can wipe the person's handwriting write on A panel 2 or B panel 3.
When normal use, A panel is fastened in first sliding groove, and B panel is fastened in second sliding slot, and A panel and B panel
It is set gradually along blackboard framework length direction, A panel is located at the left side, and B panel is located at the right, when A panel and B panel Confucian classics
It writes；At this point, A panel to be pushed to the right end of blackboard framework to, B panel is pushed to the left end of blackboard framework, in A panel and B panel
During relatively moving, the felt of A panel back setting wipes the person's handwriting write on B panel, when A panel pushes away
To the right end of blackboard framework, after B panel shifts the left end of blackboard framework onto, the person's handwriting write on B panel is wiped out completely；So
Afterwards, single-pole double-throw switch (SPDT) is closed to side, first coil and tertiary coil are connected the first branch to be formed and battery, single-pole double throw
Circuit in series is switched, has electric current to flow through in circuit, since first coil and tertiary coil are around on the contrary, at this point, first
Magnetic pole of the iron core close to fixed plate side is the pole S, and magnetic pole of the third iron core close to fixed plate side is the pole N, then in different magnetic poles
Attracting, under the action of same pole is repelled, two idler wheels of A panel are slided by the 5th sliding slot, the 6th sliding slot from first sliding groove
In second sliding slot, A panel card is driven to be set in second sliding slot, while two idler wheels of B panel pass through third sliding slot, the 4th sliding slot
It is slided into first sliding groove from second sliding slot, B panel card is driven to be set in first sliding groove；Then push B panel to blackboard framework
A panel is pushed to the left end of blackboard framework by right end, and during A panel and B panel relatively move, B panel back is set
The felt set wipes the person's handwriting write on A panel, and the person's handwriting write on A panel is wiped out completely.A panel at this time
It is fastened in second sliding slot, B panel is fastened in first sliding groove, after A panel and B panel have been write again；Repeat above-mentioned mistake
Journey closes single-pole double-throw switch (SPDT) to the other side after person's handwriting write on A panel is wiped out completely, the second coil and the 4th
Coil is connected the second branch to be formed and battery, single-pole double-throw switch (SPDT) circuit in series, has electric current to flow through in circuit, due to the
Two coil and the 4th coil around on the contrary, at this point, the magnetic pole of the close fixed plate side of the second iron core is the pole N, the 4th iron core leans on
The magnetic pole of nearly fixed plate side is the pole S, then attracting in different magnetic poles, under the action of same pole is repelled, two idler wheels of A panel
It is slided into first sliding groove by the 5th sliding slot, the 6th sliding slot from second sliding slot, drives A panel card to be set in first sliding groove, while B
Two idler wheels of panel are slided into second sliding slot by third sliding slot, the 4th sliding slot from first sliding groove, and B panel card is driven to be set to the
In two sliding slots to, then B panel is pushed to the right end of blackboard framework, A panel is pushed to the left end of blackboard framework, in A panel and the face B
During plate relatively moves, the felt of A panel back setting wipes the person's handwriting write on B panel, by B panel
The person's handwriting of upper writing is wiped out completely.So far, a circulation is completed, A panel and B panel restore initial position.
" top ", " following ", " left end " and " right end " in text is successively indicated with the upper and lower, left and right in Fig. 1.
By the way that first sliding groove 11, second sliding slot 12 is arranged, A panel, B panel can be moved by the way that idler wheel is horizontal in horizontal concrete chute
It is dynamic, generate relative displacement and the person's handwriting on erasing blackboard, it is easy to operate, do not have to manual wipping blackboard, saves manpower.
By setting third sliding slot 13, the 4th sliding slot 14, sliding 16 slot, four the vertical chutes of the 5th sliding slot the 15, the 6th, and in A
Iron core and coil are set in panel 2, B panel 3, using coil energizing magnetic, it can be achieved that panel is realized by long rails
The place-exchange in interior outside achievees the purpose that recycle erasing blackboard using friction, and laborsaving and erasing is more clean, automates journey
Degree is high, easy to operate.
In the present embodiment, the back side both ends of the A panel and B panel are provided with dust excluder 22, it can be achieved that erasing the board
The chalk dust of generation does not leak, and people is avoided to suck dust.
In the present embodiment, the idler wheel 6 is universal wheel, and rotation is flexible, anti-block.
In the present embodiment, the dust excluder 22 is to prevent the dust excluder in moving process from scratching A with elastic rubber strip
Panel and/or B panel.
Do not done in the utility model illustrate be the prior art or can be realized by the prior art, Er Qieben
Specific implementation case described in utility model is only the preferable case study on implementation of the utility model, is not used to limit practical
Novel practical range.Equivalent changes and modifications made by i.e. all contents according to present utility model application the scope of the patents, should all make
For the technology scope of the utility model.
Claims (5)
1. a kind of dustproof blackboard wiped by opposite sliding, which is characterized in that including rectangle blackboard framework, movable card
A panel, the B panel being located in blackboard framework, and it is fixed at the fixed plate at the blackboard framework back side；A panel, B panel
Corresponding geometric dimension is identical；The length of blackboard framework is equal to the sum of A panel and B panel length；
The blackboard framework includes horizontally disposed upper side frame, lower frame, and the left frame and left frame that are vertically arranged；Top
The bottom surface of frame is opened up with the upper surface of lower frame along its length there are two parallel horizontal concrete chute, be denoted as first sliding groove and
Second sliding slot, wherein second sliding slot is close to fixed plate；The bottom surface of upper side frame and the upper surface of lower frame open up that there are four vertical
Sliding slot, is successively denoted as third sliding slot, the 4th sliding slot, the 5th sliding slot and the 6th sliding slot from left to right, third sliding slot, the 4th sliding slot,
5th sliding slot, the 6th sliding slot are connected to first sliding groove and second sliding slot, and third sliding slot, the spacing of the 4th sliding slot and the 5th are sliding
Slot, the spacing of the 6th sliding slot are identical；
The top edge of the A panel and B panel, lower edge are each provided with two idler wheels, and the spacing of two idler wheels is equal to third
The spacing of sliding slot and the 4th sliding slot；A panel by the four rolling of top edge and lower edge be fastened on corresponding first sliding groove or
In second sliding slot, B panel is fastened in corresponding second sliding slot or first sliding groove by the four rolling of top edge and lower edge；
Length is provided with the first iron core, the second iron core in the A panel, first coil, the second iron are wound on the first iron wire
Be wound with the second coil on line, first coil and the second coil around to opposite；In B panel along length be provided with third iron core,
4th iron core is wound with tertiary coil on third iron wire, the 4th coil, tertiary coil and the 4th coil is wound on the 4th iron wire
Around to opposite；Battery and single-pole double-throw switch (SPDT) are provided on blackboard framework, first coil and tertiary coil connect to form first
Branch, first coil and tertiary coil around to opposite；Second coil and the 4th coil connect to form second branch, the second coil
With the 4th coil around to opposite；After the first branch is in parallel with second branch and battery, single-pole double-throw switch (SPDT) circuit in series；
There are four magnet for fixed setting along its length in the fixed plate, and the pole orientation of four magnet is identical, close to A
Panel and the magnetic pole of B panel side are the pole N.
2. the dustproof blackboard according to claim 1 wiped by opposite sliding, which is characterized in that the A panel
It is provided with the felt for wiping person's handwriting with the back side of B panel, when A panel and B panel relatively move, felt can be wiped
Wipe the person's handwriting write on A panel or B panel.
3. the dustproof blackboard according to claim 1 or 2 wiped by opposite sliding, which is characterized in that the face A
The back side both ends of plate and B panel are provided with dust excluder.
4. the dustproof blackboard according to claim 3 wiped by opposite sliding, which is characterized in that the idler wheel is
Universal wheel.
5. the dustproof blackboard according to claim 4 wiped by opposite sliding, which is characterized in that the dust excluder
For with elastic rubber strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180534.5U CN209666697U (en) | 2019-01-31 | 2019-01-31 | A kind of dustproof blackboard wiped by opposite sliding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180534.5U CN209666697U (en) | 2019-01-31 | 2019-01-31 | A kind of dustproof blackboard wiped by opposite sliding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209666697U true CN209666697U (en) | 2019-11-22 |
Family
ID=68568392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920180534.5U Expired - Fee Related CN209666697U (en) | 2019-01-31 | 2019-01-31 | A kind of dustproof blackboard wiped by opposite sliding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209666697U (en) |
-
2019
- 2019-01-31 CN CN201920180534.5U patent/CN209666697U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191122 Termination date: 20210131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |