CN106183554A - A kind of blackboard for teaching - Google Patents
A kind of blackboard for teaching Download PDFInfo
- Publication number
- CN106183554A CN106183554A CN201610706690.1A CN201610706690A CN106183554A CN 106183554 A CN106183554 A CN 106183554A CN 201610706690 A CN201610706690 A CN 201610706690A CN 106183554 A CN106183554 A CN 106183554A
- Authority
- CN
- China
- Prior art keywords
- subplate
- travelling wheel
- lateral travelling
- left lateral
- wheel
- 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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- 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
Landscapes
- Toys (AREA)
Abstract
The present invention relates to blackboard for teaching, including the support being provided with mainboard and subplate, in being provided with guide groove on support, guide groove includes the main line channel section that guide direction extends in left-right direction and the arc guide barrel section guiding extension the most forward being arranged at main line channel section right-hand member, subplate right lateral travelling wheel and subplate left lateral travelling wheel it is provided with on subplate, the length of main line channel section is more than subplate left lateral travelling wheel, spacing between subplate right lateral travelling wheel, offer on the right side cell wall of arc guide barrel section and be intended for subplate right lateral travelling wheel and go up the right lateral travelling wheel passed through in left-right direction and pass through groove, during subplate court moves right, subplate left lateral travelling wheel coordinates so that subplate moves the front face as subplate forward and flushes with the front face of mainboard with arc guide groove guiding movement.The invention provides a kind of blackboard for teaching making mainboard flush with subplate.
Description
Technical field
The present invention relates to a kind of blackboard for teaching.
Background technology
Blackboard is the requirement in each professional teaching, and for this specialty of Destination Management, blackboard has the feature of their own.
In tourism management specialty is imparted knowledge to students, can use Graphic Panel showing diagram and the example of the content of courses, for deepening student
Solve, it is often necessary on blackboard, paste geography teaching map or some tourist economy structure figures, yet with blackboard finite volume, when
Teaching required for drawing be attached on Graphic Panel after just there is no remaining space to write some concepts and synopsis, give teaching
Process brings many inconvenience.
Disclose a kind of blackboard that can expand for this Chinese patent CN204010409U and show " the tourism management specialty of area
With teaching Graphic Panel ", this teaching Graphic Panel includes support and mainboard, subplate, and the rear side at mainboard is provided with guide direction and master
The guide rail that plate be arranged in parallel, is provided with bottom subplate and guides the subplate left lateral travelling wheel and subplate right lateral travelling wheel coordinated with guide rail, logical
Spending coordinating of road wheel and guide rail, subplate can be along guide rail guiding movement, and when not in use, subplate is hidden in the rear side of mainboard, this
Sample can reduce the occupation of land space of whole blackboard, and when motherboard space deficiency, move right subplate, and subplate is by mainboard one sidesway
Removing, such subplate just can use and increase the usable floor area of blackboard.Existing this blackboard there is a problem in that subplate by
On rear side of mainboard after removal, the front face of mainboard and the front face of subplate the most in the same plane, due to the restriction of guide rail, subplate
Front face be in the rear side of front face of mainboard, bring sense straggly thus to the vision of student, very uncomfortable, it addition,
If as relatively big in figure drawing, subplate can not play the effect supported into mainboard, uses unusual inconvenience.
Summary of the invention
It is an object of the invention to provide a kind of blackboard for teaching making mainboard flush with subplate.
To achieve these goals, the technical solution adopted in the present invention is:
Blackboard for teaching, including support, support is provided with mainboard and subplate that thickness of slab extends along the longitudinal direction, in master on support
The rear side of plate is provided with guide groove, and guide groove includes main line channel section that guide direction extends in left-right direction and is arranged at main straight line
The arc guide barrel section guiding extension the most forward of guide groove section right-hand member, subplate is provided with for leading with described straight line
Subplate right lateral travelling wheel that groove guiding movement coordinates and for the subplate that coordinates with described line channel and arc guide barrel guiding movement
Left lateral travelling wheel, the length of main line channel section is more than the spacing between subplate left lateral travelling wheel, subplate right lateral travelling wheel, and subplate right lateral is walked
The thickness of wheel and/or diameter less than subplate left lateral travelling wheel, the right side cell wall of arc guide barrel section offer and are intended for subplate right lateral and walk
Wheel goes up the right lateral travelling wheel passed through in left-right direction by groove, subplate left lateral travelling wheel and arcuate guide during subplate court moves right
Groove guiding movement coordinates so that subplate moves the front face as subplate forward and flushes with the front face of mainboard.
The end of travel that guides of described arc guide groove is provided be arrangeding in parallel with main line channel section towards left extension
Secondary line channel section, secondary line channel section is for coordinating with subplate left lateral travelling wheel guiding movement with at the secondary straight line in subplate road wheel edge
Guide groove section makes the left side of subplate contact with the right side of mainboard during moving left.
Be provided with on the cell wall of secondary line channel section for subplate left lateral travelling wheel top press-fit and bullet in the longitudinal direction
Property deformation shell fragment, when the left side of subplate contacts with the right side of mainboard shell fragment subplate road wheel is limited in pair straight line lead
The left part of groove section.
Subplate right lateral travelling wheel is set up by right lateral travelling wheel and is placed on described subplate, and subplate right lateral is walked wheel carrier and subplate and fixed and join
Close.
Subplate left lateral travelling wheel is set up by left lateral travelling wheel and is placed on described subplate, and left lateral is walked wheel carrier and is rotatably assorted with subplate,
The pivot center that left lateral walks wheel carrier is vertically extending.
Left lateral is walked to be provided with on wheel carrier and is walked the pivot center direction of wheel carrier towards walking wheel carrier side away from left lateral along being perpendicular to left lateral
To horizontal-extending position limit arm, subplate is provided with and coordinates under depression angle, limit left lateral for spacing with described position limit arm
Walk wheel carrier and rotate counterclockwise the position limiting structure of the limit, the rotary shaft of subplate left lateral travelling wheel when coordinating that position limiting structure is spacing with position limit arm
Line extends along the longitudinal direction, is provided with back-moving spring between subplate and position limit arm.
The invention have the benefit that when mainboard is enough, subplate left lateral travelling wheel and subplate right lateral travelling wheel are in main straight
In line guide groove section, now subplate is hidden in the rear side of mainboard；When mainboard is not enough, move right subplate, the initial rank of movement
Section, subplate left lateral travelling wheel and subplate right lateral travelling wheel all coordinate with main line channel section guiding movement, along with the continuation of subplate is towards the right side
Mobile, subplate right lateral travelling wheel is introduced in arc guide barrel section, and owing to offering right lateral on the right side cell wall of arc guide barrel section
Travelling wheel pass through groove, therefore subplate right lateral travelling wheel directly by right lateral travelling wheel by groove by and depart from whole guide groove, it is to avoid obstruction
Moving forward of subplate, when subplate left lateral travelling wheel moves to arc guide barrel Duan Zhonghou, and subplate left lateral travelling wheel can not be by right lateral travelling wheel
By passing through in groove, subplate left lateral travelling wheel is only capable of along arc guide barrel section guiding movement, at the guiding movement of subplate left lateral travelling wheel
During, the position of subplate is moved the most forward until the front face of subplate flushes with the front face of mainboard, meets and flushes need
Ask.
Further, when subplate moves to after flushing with the front face of mainboard with front face, and subplate and mainboard are in left and right
Having gap on direction, in order to avoid the existence in this gap, then towards left propelling movement subplate, subplate left lateral travelling wheel is along secondary line channel
Duan Yidong, can be achieved with mainboard and is connected with subplate, more convenient to use.
Accompanying drawing explanation
Structural representation when Fig. 1 is that in one embodiment of the present of invention, subplate has moved on the right side of mainboard；
Fig. 2 be guide groove and subplate left lateral travelling wheel in the present invention, subplate right lateral travelling wheel coordinate schematic diagram；
Fig. 3 is that subplate right lateral travelling wheel is by the right lateral travelling wheel view by hole；
Fig. 4 is subplate left lateral travelling wheel towards moving left and view when crossing shell fragment；
Fig. 5 be in Fig. 1 subplate left lateral travelling wheel walk wheel carrier with left lateral coordinate schematic diagram；
Fig. 6 is the top view of Fig. 5.
Detailed description of the invention
The enforcement of blackboard for teaching is such as shown in Fig. 1 ~ 6: include the support with supporting leg 5, before support is provided with thickness of slab
The mainboard 1 that fore-and-aft direction extends, on support, the rear side in mainboard is provided with guide groove, and guide groove includes the upper rail that notch is oppositely arranged
And lower guide channel, upper and lower guide groove uses structure symmetrical above and below, is situated between the structure of lower guide channel the most in detail
Continue.Subplate left lateral travelling wheel 4 and subplate right lateral travelling wheel 3 it is provided with, because guide groove uses the upper and lower of structure symmetrical above and below to lead on subplate
Groove, subplate left lateral travelling wheel is two and coordinates with upper rail and lower guide channel respectively, subplate right lateral travelling wheel be two respectively at upper rail
Coordinating with lower guide channel, two subplate left lateral travelling wheels take structure symmetrical above and below, two subplate right lateral travelling wheels to take knot symmetrical above and below
Structure, therefore in the present embodiment, also subplate left lateral travelling wheel and subplate right lateral travelling wheel only for coordinating in lower guide channel carries out structure Jie
Continue.
The diameter of subplate right lateral travelling wheel 3 is less than subplate left lateral travelling wheel 4, and lower guide channel includes that guide direction extends in left-right direction
Main line channel section 6 and be arranged at the arc guide barrel guiding extension the most forward of main line channel section 6 right-hand member
Section 8, the secondary straight line be arrangeding in parallel with main line channel section that end of travel is provided with towards left extension that guides of arc guide barrel section 8 is led
Groove section 9.The length of the most main line channel section 6 is more than the spacing of subplate left lateral travelling wheel 4 with subplate right lateral travelling wheel 3, arc guide barrel
Offering in section 8 and be intended for subplate right lateral travelling wheel and go up the right lateral travelling wheel that passes through in left-right direction by hole 7, right lateral travelling wheel is by hole 7
The diameter adaptation of height and subplate right lateral travelling wheel 3 be therefore only capable of passing through for subplate right lateral travelling wheel 3, right lateral travelling wheel is by hole 7
Highly less than the diameter of subplate left lateral travelling wheel 4, therefore subplate left lateral travelling wheel 4 can not be passed through by hole 7 by right lateral travelling wheel, and this point is very
Key, coordinates because if subplate right lateral travelling wheel 3 also guides with arc guide groove section 8, then subplate 2 would be at an inclination
Attitude and pin, it is impossible to complete the process moved forward.Subplate left lateral travelling wheel 4 is walked wheel carrier 11 by left lateral and is connected with subplate 2, left
Walking wheel carrier 11 includes vertically installing axle 13 and being arranged at the vertical downward opening U-shaped fork 14 installing axle 13 lower end, and subplate is left
Road wheel 4 rotates on two yokes 14 being arranged at U-shaped fork, and vertical axle 13 of installing is rotatably assorted with subplate, and left lateral walks wheel carrier 11
On be provided with and walk the pivot center direction of wheel carrier towards walking, away from left lateral, the position limit arm that wheel carrier direction is horizontal-extending along being perpendicular to left lateral
12, subplate 2 is provided with and coordinates to walk wheel carrier and turn counterclockwise limiting left lateral under depression angle for spacing with described position limit arm
The position limiting structure i.e. limited block 15 of the dynamic limit, position limiting structure is spacing with the position limit arm pivot center edge of subplate left lateral travelling wheel when coordinating
Fore-and-aft direction extends, and is provided with back-moving spring 16 between subplate and position limit arm.Subplate right lateral travelling wheel 3 is arranged by right lateral travelling wheel frame
On described subplate, subplate right lateral walks wheel carrier and subplate secure fit.
Be provided with on the cell wall of secondary line channel section for subplate left lateral travelling wheel top press-fit and bullet in the longitudinal direction
Property deformation shell fragment 10, shell fragment is a pair, is respectively arranged on two cell walls of secondary line channel section, when subplate left side with
When the right side of mainboard contacts, subplate road wheel is limited in the left part of secondary line channel section by shell fragment.
The use process of this blackboard for teaching, when the usable floor area of mainboard is sufficiently large, without when using subplate, such as figure
Shown in 2, subplate left lateral travelling wheel and subplate right lateral travelling wheel are simultaneously in main line channel section, after now subplate is hidden in mainboard
Side；When only mainboard use and can not meet require time, subplate is applied level active force to the right, subplate, towards moving right, is just opened
Beginning, subplate left lateral travelling wheel and subplate right lateral travelling wheel all guide with main line channel section and coordinate, along with the movement of subplate, such as Fig. 3 institute
Showing, subplate right lateral travelling wheel moves to arc guide barrel section, and owing to right lateral walks wheel carrier and subplate secure fit, therefore subplate right lateral is walked
The axis of wheel will not change, and thus can ensure that, subplate right lateral travelling wheel can be led to by groove by right lateral travelling wheel the most smoothly
Crossing and depart from guide groove, along with the continuation of subplate is towards moving right, subplate left lateral travelling wheel initially enters arc guide groove, now by arc
The guide effect of shape gathering sill, the pivot center of subplate left lateral travelling wheel starts to change, and subplate left lateral travelling wheel arcuately guides
The guiding movement of groove, subplate then can be parallel with mainboard forward, towards moving right, when subplate left lateral travelling wheel moves to arc guide groove
Guiding end of travel time, the front face of subplate flushes with the front face of mainboard, and now mainboard, subplate can make simultaneously
With, but owing to subplate produces gap during moving right between meeting and the right-hand member of mainboard, this may have influence on and write,
Therefore the present invention arranges secondary line channel section, as shown in Figure 4, when subplate left lateral travelling wheel moves to arc guide barrel section guiding stroke
After end, by action of reset spring, subplate left lateral travelling wheel resets and the pivot center of subplate left lateral travelling wheel is along front and back again
To, now can apply the active force towards left direction to subplate, subplate left lateral travelling wheel is along secondary line channel section towards moving left, and squeezes
Pressure shell fragment, after subplate left lateral travelling wheel crosses shell fragment to the left, subplate left lateral travelling wheel is just limited in a left side for secondary line channel section by shell fragment
End, under not having External Force Acting, subplate left lateral travelling wheel will not move, now the left side of subplate also with the right side of mainboard
Contact, such mainboard and subplate are formed for a perfect entirety, can use entirely as one piece of blackboard.When subplate regained by needs
Time, first apply towards right direction active force to subplate, subplate extrusion elastic and the mobile right-hand member to secondary line channel section, then through arc
Shape guide groove section, main line channel section original route return.
This blackboard for teaching can apply to Destination Management, physics, chemistry, Chinese language, mathematics, English, politics, economy, life
Each professional teaching such as thing, geography, pedagogy, statistics, the fine arts, dissemination, history use.
In other embodiments of the invention: subplate right lateral travelling wheel may not be diameter less than subplate left lateral travelling wheel, than
As said, the thickness of subplate right lateral travelling wheel is less than subplate left lateral travelling wheel, and now right lateral travelling wheel is by the groove width of groove and subplate right lateral travelling wheel
Adaptive and less than subplate left lateral travelling wheel, right lateral travelling wheel by groove can be intended for subplate right lateral travelling wheel by and subplate left lateral can not be supplied to walk
Wheel passes through；Back-moving spring can not also set, and manpower now can be relied on to reset to adjust subplate left lateral travelling wheel；Right lateral walk wheel carrier with
Subplate can also be rotatably assorted；Shell fragment can not also set, and frictional force now can be relied on to position subplate left lateral travelling wheel；Guide groove is also
Can only include lower guide channel, now the upper end of support arranges and turns edge, and the upper end of subplate is and turns edge the plane being slidably matched, as long as
Ensure that subplate does not drops from support.
Claims (6)
1. blackboard for teaching, including support, support is provided with mainboard and subplate that thickness of slab extends along the longitudinal direction, on support in
The rear side of mainboard is provided with guide groove, it is characterised in that: guide groove includes the main line channel section that guide direction extends in left-right direction
Be arranged at the arc guide barrel section guiding extension the most forward of main line channel section right-hand member, subplate is provided with use
In the subplate right lateral travelling wheel coordinated with described line channel guiding movement with for guiding with described line channel and arc guide barrel
The mobile subplate left lateral travelling wheel coordinated, the length of main line channel section is more than between subplate left lateral travelling wheel, subplate right lateral travelling wheel
Spacing, the thickness of subplate right lateral travelling wheel and/or diameter are less than subplate left lateral travelling wheel, and the right side cell wall of arc guide barrel section offers
It is intended for subplate right lateral travelling wheel and goes up the right lateral travelling wheel passed through in left-right direction by groove, subplate left lateral during subplate court moves right
Travelling wheel coordinate with arc guide groove guiding movement so that subplate to move the front face as subplate forward neat with the front face of mainboard
Flat.
Blackboard for teaching the most according to claim 1, it is characterised in that: the guiding end of travel of described arc guide groove sets
Being equipped with the secondary line channel section be arrangeding in parallel with main line channel section towards left extension, secondary line channel section is used for and subplate left lateral
Travelling wheel guiding movement coordinates to make left side and the master of subplate at subplate road wheel during moving left along secondary line channel section court
The right side contact of plate.
Blackboard for teaching the most according to claim 2, it is characterised in that: be provided with on the cell wall of secondary line channel section for
With subplate left lateral travelling wheel top press-fit and the shell fragment of elastic deformation in the longitudinal direction, when the right-hand member of left side and the mainboard of subplate
During the contact of face, subplate road wheel is limited in the left part of secondary line channel section by shell fragment.
Blackboard for teaching the most according to claim 1, it is characterised in that: subplate right lateral travelling wheel is arranged by right lateral travelling wheel frame
On described subplate, subplate right lateral walks wheel carrier and subplate secure fit.
5. according to the blackboard for teaching described in claim 2 ~ 4 any one, it is characterised in that: subplate left lateral travelling wheel passes through left lateral
Travelling wheel sets up and is placed on described subplate, and left lateral is walked wheel carrier and is rotatably assorted with subplate, and left lateral walks the pivot center vertically side of wheel carrier
To extension.
Blackboard for teaching the most according to claim 5, it is characterised in that: left lateral is walked and is provided with on wheel carrier along being perpendicular to left lateral
Walk the pivot center direction of wheel carrier towards walking, away from left lateral, the position limit arm that wheel carrier direction is horizontal-extending, subplate is provided with for institute
State the spacing cooperation of position limit arm and walk wheel carrier and rotate counterclockwise the position limiting structure of the limit, position limiting structure limiting left lateral under depression angle
Spacing with position limit arm when coordinating the pivot center of subplate left lateral travelling wheel extend along the longitudinal direction, be provided with between subplate and position limit arm
Back-moving spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610706690.1A CN106183554B (en) | 2016-08-23 | 2016-08-23 | A kind of blackboard for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610706690.1A CN106183554B (en) | 2016-08-23 | 2016-08-23 | A kind of blackboard for teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106183554A true CN106183554A (en) | 2016-12-07 |
| CN106183554B CN106183554B (en) | 2017-09-22 |
Family
ID=57523915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610706690.1A Active CN106183554B (en) | 2016-08-23 | 2016-08-23 | A kind of blackboard for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106183554B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273770A (en) * | 2013-05-03 | 2013-09-04 | 国家电网公司 | Dual-purpose teaching board used for writing and projection |
| CN103584532A (en) * | 2013-10-08 | 2014-02-19 | 长沙洋华机电设备制造有限公司 | Chalkboard |
| CN104354498A (en) * | 2014-10-16 | 2015-02-18 | 傅晓燕 | Multifunctional blackboard for teaching |
| CN104960359A (en) * | 2015-07-02 | 2015-10-07 | 广州夏之洁科教用品有限公司 | Invisible splicing joint white board body and combined white board composed of same |
| CN105216491A (en) * | 2015-10-14 | 2016-01-06 | 上海电机学院 | A kind of blank with chute |
| CN205075520U (en) * | 2015-10-19 | 2016-03-09 | 石家庄科达文教用品有限公司 | Manual integral xerotripsis clipboard |
| CN205468094U (en) * | 2016-01-04 | 2016-08-17 | 夏多多 | Telescopic portable literature teaching blackboard |
-
2016
- 2016-08-23 CN CN201610706690.1A patent/CN106183554B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273770A (en) * | 2013-05-03 | 2013-09-04 | 国家电网公司 | Dual-purpose teaching board used for writing and projection |
| CN103584532A (en) * | 2013-10-08 | 2014-02-19 | 长沙洋华机电设备制造有限公司 | Chalkboard |
| CN104354498A (en) * | 2014-10-16 | 2015-02-18 | 傅晓燕 | Multifunctional blackboard for teaching |
| CN104960359A (en) * | 2015-07-02 | 2015-10-07 | 广州夏之洁科教用品有限公司 | Invisible splicing joint white board body and combined white board composed of same |
| CN105216491A (en) * | 2015-10-14 | 2016-01-06 | 上海电机学院 | A kind of blank with chute |
| CN205075520U (en) * | 2015-10-19 | 2016-03-09 | 石家庄科达文教用品有限公司 | Manual integral xerotripsis clipboard |
| CN205468094U (en) * | 2016-01-04 | 2016-08-17 | 夏多多 | Telescopic portable literature teaching blackboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106183554B (en) | 2017-09-22 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yucai Inventor before: Meng Weiwei |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170825 Address after: Guo Qiang Lu Shuang Jian Zhen Anhui County of Mengcheng province No. 76 233521 Applicant after: Chen Yucai Address before: 450000 Henan city of Zhengzhou province Zheng Dong New District Longzihu College Park Henan Polytechnic family hospital No. 21 Building 1 unit 17 floor households Applicant before: Meng Weiwei |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |