CN209320543U - The biparting plug-type blackboard movable up and down in classroom - Google Patents
The biparting plug-type blackboard movable up and down in classroom Download PDFInfo
- Publication number
- CN209320543U CN209320543U CN201821193967.6U CN201821193967U CN209320543U CN 209320543 U CN209320543 U CN 209320543U CN 201821193967 U CN201821193967 U CN 201821193967U CN 209320543 U CN209320543 U CN 209320543U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- gear
- central gear
- track
- movable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The biparting plug-type blackboard movable up and down in classroom disclosed by the utility model, is related to plug-type blackboard movable up and down, belongs to teaching equipment field.The utility model the plug-type blackboard movable up and down fixed pulley kind of drive will be changed to gear transmission mode in the prior art, and it further includes track transmission system and blackboard gear train assembly that the biparting plug-type blackboard movable up and down in the classroom, which includes load-bearing frame and blackboard panel,；Track transmission system includes track, central gear, check valve, spring prevention valve and central gear pedestal；Blackboard gear train assembly includes Guide rollers and crawler type gear.Realize that two pieces of blackboards are translated along normal orientation by the gear train assembly of design, realize that two pieces of blackboards exchange front-rear position along normal orientation, realize that any one piece of blackboard can all be shown in front, the phenomenon that front side blackboard for avoiding original common blackboard from occurring blocks rear side blackboard, increase available active area, and blackboard is made to be suitable for writing height, enhance the practicability and using flexible of blackboard.
Description
Technical field
The utility model relates to plug-type blackboard movable up and down, belong to teaching equipment field.
Background technique
Common type of push and pull up down blackboard movable up and down currently on the market, structure are as follows: connect between two pieces of blackboards by a cable wire
It connects, by the fixed pulley on top, realizes that one piece of blackboard rises, the technical requirements that another piece of blackboard lowers.It is equivalent in this way
There are two pieces of blackboards that can use, write area is one times big.In this design, two pieces of blackboards are in the front-rear position along normal orientation
Be it is fixed, i.e., by front side blackboard forever in front, by rear side blackboard forever later.Therefore, only when two pieces of blackboards
Positioned at the limiting condition being all unfolded, two pieces of blackboards can all be shown.When two pieces of blackboards are located at the state of not all expansion,
Blackboard by front side can block the blackboard by rear side, reduce the effective displaying area of blackboard.It is leaned on since the blackboard by front side can block
The blackboard of rear side, and people is write usually in the blackboard writing close to downside, therefore prior art blackboard cannot adapt to write very well
The writing height of people, reduces blackboard using flexible.
Summary of the invention
For following defects existing for plug-type blackboard movable up and down in the prior art: when the blackboard for being located at rear side is being in following
Writing position when, usable area can be reduced.Classroom disclosed by the utility model to be solved with biparting plug-type blackboard movable up and down
Technical problem is: realizing that two pieces of blackboards are translated along normal orientation by the gear train assembly of design, realizes two pieces of blackboards along method
Front-rear position is exchanged to direction, and then realizes that any one piece of blackboard can all be shown in front, avoids original common blackboard
The phenomenon that front side blackboard occurred in scheme blocks rear side blackboard increases available active area, and blackboard is made to be suitable for book
The writing height for writing people, enhances the practicability and using flexible of blackboard.
The utility model aim is achieved through the following technical solutions.
Definition is front-rear direction along blackboard normal orientation, and the direction for being parallel to blackboard is up and down direction.The utility model is public
The biparting plug-type blackboard movable up and down in the classroom opened the plug-type blackboard movable up and down fixed pulley kind of drive will be changed to gear in the prior art
The kind of drive, it further includes track power train that the biparting plug-type blackboard movable up and down in the classroom, which includes load-bearing frame and blackboard panel,
System and blackboard gear train assembly.Track transmission system includes track, central gear, check valve, spring prevention valve and centre tooth
Take turns pedestal.Blackboard gear train assembly includes Guide rollers and crawler type gear.Two pieces of blackboard structures are identical, monolithic blackboard it is black
Plate face plate surrounding is supported by load-bearing frame is fixed, is machined with Guide rollers in the upper and lower position of load-bearing frame arranged on left and right sides end face,
And crawler type gear is fixed respectively in load-bearing frame arranged on left and right sides end, it is convex that Guide rollers thickness need to be greater than strip among track
The height risen.Trade shape be opening rectangular channel along the left and right directions for being parallel to blackboard, be equipped in the middle part of slot central gear,
Two panels check valve and central gear pedestal, central gear are fixedly connected with central gear pedestal, unidirectional for limiting blackboard front and back
It is circumferential that the check valve of movement is located at central gear pedestal；Track is divided into upside blackboard tracks and downside by central gear
Blackboard tracks；And the strip projected parts for determining blackboard front-rear position are machined in the middle part of rectangular channel, the strip projected parts
Quantity is determined as two according to blackboard number of panels；It is equipped in the bottom of rectangular channel unidirectional from the front to the back for limiting blackboard
The spring of movement prevents valve, and it includes the baffle of spring and limitation blackboard one-way movement from the front to the back that spring, which prevents valve,；Two strips
The track for determining Guide rollers movement position is formed between protrusion, baffle and groove face, and there are installation centers between two strip projected parts
The space of gear and check valve, single strip projected parts length be less than monolithic blackboard upper and lower position two Guide rollers between away from
From.
The working method of the biparting plug-type blackboard movable up and down in classroom disclosed by the utility model are as follows: 1. defining original state is
Number blackboard is located at that rear side, 2. number blackboard is located at front side, toward drop-down 2. number blackboard when, 2. the Guide rollers of number blackboard drive 2. number black
Plate is moved downward along track, and 2. the crawler type gear of number blackboard drives the central gear engaged to rotate clockwise, in
Heart gear rotates clockwise to drive the crawler type gear of 1. number blackboard engaged to move upwards, i.e., 1. number blackboard along track
It moves upwards；When 2. number blackboard is drawn to bottom, 2. the Guide rollers of number blackboard push down the baffle that bottom spring prevents valve, from
And prevent the baffle of valve from making the Guide rollers of 2. number blackboard along baffle to rear ramp translation gliding by spring, that is, pass through spring
The baffle of valve is prevented to limit 2. number blackboard one-way movement from the front to the back；2. number blackboard from the front to the back one-way movement while, 2. number
The crawler type gear of blackboard drives the central gear engaged to continue to rotate clockwise, and is engaged 1. to drive) it is number black
The crawler type gear of plate translates obliquely upward, i.e., 1. number blackboard is translated to diagonally forward；An i.e. final 2. number blackboard moves under rear side
Side, 1. a number blackboard moves to front side top, realizes 1. number blackboard and 2. number blackboard along normal orientation exchanges front-rear position, and at this time
Being prevented 1. by check valve) number blackboard moves backward, and 2. a number blackboard travels forward for prevention；Hereafter, it is located at front side toward drop-down
1. number blackboard just completes the shuttling movement of a cycle；1. number blackboard and 2. number black is realized by the gear train assembly of design
1. number two pieces of blackboards of plate can either move along the vertical direction, and can translate along the longitudinal direction, according to writing using needing to realize
Blackboard and 2. number blackboard exchange front-rear position along normal orientation, and then realize that any one piece of blackboard can be in front whole exhibition
The phenomenon that showing, the front side blackboard occurred in original common blackboard scheme is avoided to block rear side blackboard increases available active area.
And by design gear train assembly realize 1. number blackboard and 2. two pieces of blackboards of number blackboard along blackboard normal orientation
Anterior-posterior translation, according to writing using needing to realize 1. number blackboard and 2. number blackboard along blackboard normal orientation exchanges front-rear position, into
And when can be realized writing on the downside of blackboard be located at front side, make writer from block factor influence, realize according to writing height
The purpose of blackboard height is adjusted flexibly, so make blackboard be suitable for write people writing height, enhance blackboard practicability and
Using flexible.
The utility model has the advantages that
1, the biparting plug-type blackboard movable up and down in classroom disclosed by the utility model, will plug-type blackboard movable up and down in the prior art
The fixed pulley kind of drive is changed to gear transmission mode, realizes 1. number blackboard and 2. number blackboard two by the gear train assembly of design
Block blackboard realizes 1. number blackboard and 2. two pieces of blackboard edges of number blackboard using needs along blackboard normal orientation anterior-posterior translation, according to writing
Blackboard normal orientation exchanges front-rear position, and then realizes that any one piece of blackboard can all be shown in front, avoids original normal
See the phenomenon that front side blackboard occurred in blackboard scheme blocks rear side blackboard, increases available active area.
2, the biparting plug-type blackboard movable up and down in classroom disclosed by the utility model is realized by the gear train assembly of design
1. two pieces of blackboards of number blackboard and 2. number blackboard realize 1. number blackboard using needs along blackboard normal orientation anterior-posterior translation, according to writing
2. number blackboard exchanges front-rear position along blackboard normal orientation, so when can be realized writing on the downside of blackboard be located at front side, make
Writer influences from blocking factor, realizes and the purpose of blackboard height is adjusted flexibly according to writing height, and then blackboard is made more
The writing height for adapting to write people, enhances the practicability and using flexible of blackboard.
3, the biparting plug-type blackboard movable up and down in classroom disclosed by the utility model, passes through the centre tooth in track transmission system
Crawler type gear in wheel engagement blackboard gear train assembly, realizes 1. number blackboard and 2. two pieces of blackboards of number blackboard both can be vertically
Direction moves synchronously, and can synchronous translational along the longitudinal direction.
4, the biparting plug-type blackboard movable up and down in classroom disclosed by the utility model prevents the baffle of valve from making downside by spring
The Guide rollers of blackboard to rear ramp translation gliding, i.e., prevent the baffle limitation downside blackboard of valve by preceding along baffle by spring
One-way movement backward.
5, the biparting plug-type blackboard movable up and down in classroom disclosed by the utility model realizes limitation blackboard front and back by check valve
One-way movement prevents blackboard from moving to opposite direction.
Detailed description of the invention
Fig. 1 is that existing common fixed pulley is driven type of push and pull up down blackboard movable up and down schematic diagram.
Wherein, Fig. 1 a is front view, and Fig. 1 b is side view.
Fig. 2 is the biparting plug-type blackboard movable up and down scheme works figure in improved classroom.
Wherein, Fig. 2 a is front view, and Fig. 2 b is that side view (illustrates only the track transmission system of side, the other side does not exist
Illustrate in figure).
Wherein, 1- load-bearing frame, 2- blackboard panel, 3- track transmission system, 4- blackboard gear train assembly.
Fig. 3 is that improved blackboard scheme middle orbit transmission system constitutes figure.
Wherein, 3- track transmission system, 3.1- track, 3.2- central gear, 3.3- check valve, 3.4- spring prevent valve,
3.5- central gear pedestal.
Fig. 4 is that blackboard gear train assembly constitutes figure in improved blackboard scheme.
Wherein, Fig. 4 a is front view, and Fig. 4 b is lateral view.
Wherein, 1- load-bearing frame, 2- blackboard panel, 4- blackboard gear train assembly, 4.1- Guide rollers, 4.2- crawler belt
Formula gear.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Embodiment 1:
As shown in Figure 2,3, the biparting plug-type blackboard movable up and down in classroom disclosed in the present embodiment is defined along blackboard normal orientation
For front-rear direction, the direction for being parallel to blackboard is up and down direction.To plug-type blackboard movable up and down fixed pulley transmission side in the prior art
Formula is changed to gear transmission mode, and the classroom includes load-bearing frame 1 and blackboard panel 2 with biparting plug-type blackboard movable up and down, also wraps
Include track transmission system 3 and blackboard gear train assembly 4.Track transmission system 3 includes track 3.1, central gear 3.2, unidirectional
Valve 3.3, spring prevent valve 3.4 and central gear pedestal 3.5.Blackboard gear train assembly 4 includes Guide rollers 4.1 and crawler type
Gear 4.2.Two pieces of blackboard structures are identical, and 2 surrounding of blackboard panel of monolithic blackboard is supported by load-bearing frame 1 is fixed, in load frame
The upper and lower position of 1 arranged on left and right sides end face of frame is machined with Guide rollers 4.1, and solid respectively in 1 arranged on left and right sides end of load-bearing frame
Determine crawler type gear 4.2,4.1 thickness of Guide rollers need to be greater than the height of the intermediate strip projected parts of track 3.1.3.1 shape of track is
Rectangular channel is being opened along the left and right directions for being parallel to blackboard, central gear 3.2,3.3 and of two panels check valve are installed in the middle part of slot
Central gear pedestal 3.5, central gear 3.2 are fixedly connected with central gear pedestal 3.5, for limiting blackboard front and back one-way movement
Check valve 3.3 to be located at central gear pedestal 3.5 circumferential；Track 3.1 is divided by central gear 3.2 and moves rail for upside blackboard
Road and downside blackboard tracks；And the strip projected parts for determining blackboard front-rear position are machined in the middle part of rectangular channel, it is described
Strip projected parts quantity is determined as two according to 2 quantity of blackboard panel；The bottom of rectangular channel be equipped with for limit blackboard by
The spring of one-way movement after forward direction prevents valve 3.4, and it includes spring and limitation blackboard one-way movement from the front to the back that spring, which prevents valve 3.4,
Baffle；The track 3.1 for determining 4.1 movement position of Guide rollers, and two strips are formed between two strip projected parts, baffle and groove faces
There are the space of installation center gear 3.2 and check valve 3.3 between protrusion, single strip projected parts length is less than monolithic blackboard or more
The distance between two Guide rollers 4.1 of position.
The working method of the biparting plug-type blackboard movable up and down in classroom disclosed in the present embodiment are as follows: defining original state is 1. number
Blackboard is located at that rear side, 2. number blackboard is located at front side, and in original state 1, two pieces of blackboards at this time, 1. number blackboard is located at rear side, 2.
Number blackboard is located at front side, toward drop-down 2. number blackboard when, 2. the Guide rollers 4.1 of number blackboard drive 2. number blackboard along track 3.1 to
Lower movement, 2. the crawler type gear 4.2 of number blackboard drives 3.2 up time of central gear in the track transmission system 3 engaged
Needle rotation, so that the crawler type gear 4.2 of 1. number blackboard engaged be driven to move upwards, i.e., 1. number blackboard along track 3.1 to
Upper movement.
When 2. number blackboard is drawn to bottom at this time, 2. the Guide rollers 4.1 of number blackboard push down bottom spring and prevent valve 3.4
Baffle is slided to prevent the baffle of valve 3.4 from translating the Guide rollers 4.1 of 2. number blackboard to rear ramp along baffle by spring
Dynamic, 2. the crawler type gear 4.2 of number blackboard drives the central gear engaged 3.2 to continue to rotate clockwise at this time, thus logical
Crossing central gear 3.2 drives the crawler type gear 4.2 of 1. number blackboard engaged to translate obliquely upward, i.e., 1. number blackboard to before tiltedly
Fang Pingyi, i.e., a final 2. number blackboard have moved to rear side lower section, and 1. a number blackboard has moved to front side top, realize 1. number blackboard and
2. number blackboard exchanges front-rear position along normal orientation.At this point, check valve 3.3 is all turned off, 2. number blackboard is translated to front side for prevention,
And 1. number blackboard is translated to rear side for prevention.
2. a number blackboard has moved to rear side lower section, 1. a number blackboard has moved to front side top.Hereafter, 1. number black toward drop-down
Plate, 2. number blackboard will move upwards, that is, complete the shuttling movement in 1 period, realize 1. number blackboard and 2. number according to the needs of use
Two pieces of blackboards of blackboard along blackboard normal orientation anterior-posterior translation, according to write using need to realize 1. number blackboard and 2. number blackboard along black
Plate normal orientation exchanges front-rear position, so when can be realized writing on the downside of blackboard be located at front side, make writer from blocking
Factor influences, and realizes the purpose that blackboard height is adjusted flexibly according to writing height, and then blackboard is made to be suitable for writing the book of people
Height is write, the practicability and using flexible of blackboard are enhanced.
Above-described specific descriptions have carried out further specifically the purpose of invention, technical scheme and beneficial effects
It is bright, it should be understood that the above is only a specific embodiment of the present invention, the protection model being not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (1)
1. the biparting plug-type blackboard movable up and down in classroom, definition is front-rear direction along blackboard normal orientation, is parallel to the direction of blackboard
For up and down direction；The classroom includes load-bearing frame (1) and blackboard panel (2) with biparting plug-type blackboard movable up and down, and feature exists
In: it further include track transmission system (3) and blackboard gear train assembly (4) for gear transmission mode；Track transmission system (3)
Valve (3.4) and central gear pedestal (3.5) are prevented including track (3.1), central gear (3.2), check valve (3.3), spring；It is black
Plate gear transmission system (4) includes Guide rollers (4.1) and crawler type gear (4.2)；
Two pieces of blackboard structures are identical, and blackboard panel (2) surrounding of monolithic blackboard is supported by load-bearing frame (1) is fixed, in load frame
The upper and lower position of frame (1) arranged on left and right sides end face is machined with Guide rollers (4.1), and in load-bearing frame (1) arranged on left and right sides end
Crawler type gear (4.2) are fixed respectively, Guide rollers (4.1) thickness need to be greater than the height of track (3.1) intermediate strip projected parts；Rail
Road (3.1) shape be opening rectangular channel along the left and right directions for being parallel to blackboard, be equipped in the middle part of slot central gear (3.2),
Two panels check valve (3.3) and central gear pedestal (3.5), central gear (3.2) are fixedly connected with central gear pedestal (3.5),
It is circumferential that check valve (3.3) for limiting blackboard front and back one-way movement is located at central gear pedestal (3.5)；Pass through central gear
(3.2) track (3.1) is divided into upside blackboard tracks and downside blackboard tracks；And it is processed in the middle part of rectangular channel useful
In the strip projected parts for determining blackboard front-rear position, the strip projected parts quantity is determined as two according to blackboard panel (2) quantity；
The bottom of rectangular channel be equipped with for limit blackboard from the front to the back one-way movement spring prevent valve (3.4), spring prevent valve
(3.4) include spring and the one-way movement from the front to the back of limitation blackboard baffle；It is formed between two strip projected parts, baffle and groove faces true
Determine the track (3.1) of Guide rollers (4.1) movement position, and there are installation center gears (3.2) and list between two strip projected parts
To the space of valve (3.3), single strip projected parts length is less than between two Guide rollers (4.1) of monolithic blackboard upper and lower position
Distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193967.6U CN209320543U (en) | 2018-07-26 | 2018-07-26 | The biparting plug-type blackboard movable up and down in classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193967.6U CN209320543U (en) | 2018-07-26 | 2018-07-26 | The biparting plug-type blackboard movable up and down in classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209320543U true CN209320543U (en) | 2019-08-30 |
Family
ID=67706217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821193967.6U Expired - Fee Related CN209320543U (en) | 2018-07-26 | 2018-07-26 | The biparting plug-type blackboard movable up and down in classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209320543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674556A (en) * | 2021-08-31 | 2021-11-19 | 殷品 | English teaching is with supplementary teaching aid |
-
2018
- 2018-07-26 CN CN201821193967.6U patent/CN209320543U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674556A (en) * | 2021-08-31 | 2021-11-19 | 殷品 | English teaching is with supplementary teaching aid |
| CN113674556B (en) * | 2021-08-31 | 2023-01-03 | 殷品 | English teaching is with supplementary teaching aid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208290762U (en) | A kind of Chinese language fold handout data fast finishing flattening equipment | |
| CN209320543U (en) | The biparting plug-type blackboard movable up and down in classroom | |
| CN112061143B (en) | Rail transit shielding door | |
| CN105160759A (en) | Gate mechanism with self-locking function | |
| CN213083134U (en) | High-speed railway platform door based on dislocation formula structure | |
| CN210195586U (en) | Mechanical press rod type sliding door sealing structure | |
| CN209526276U (en) | Push-pull structure, plug device, battery carrier and electric charging station | |
| CN109386214B (en) | Aluminum alloy window convenient to push and pull | |
| CN209199550U (en) | A kind of Multifunction indication board of sci-tech consultation | |
| CN216841221U (en) | Environment-friendly aluminum alloy casement window profile | |
| CN113503102B (en) | Large-opening sliding plug door bearing device | |
| CN207583287U (en) | Suspend driving translation door | |
| CN202557066U (en) | Split sliding type combined blackboard | |
| CN212604191U (en) | Variable rail formula teaching blackboard | |
| CN219119077U (en) | Three-door linkage sliding door | |
| CN209574124U (en) | A kind of student-directed being convenient for changing personal information displaying device | |
| CN216811391U (en) | Novel aluminum alloy door frame for building materials | |
| CN214498737U (en) | Seamless door plank track frame for CT room | |
| CN111980570A (en) | Two-dimensional sliding door | |
| CN210502002U (en) | High-definition touch blackboard | |
| CN107757196B (en) | Double-guide rail cross lifting teaching blackboard | |
| CN217205972U (en) | Low-altitude single-rail boosting device | |
| CN206436689U (en) | A kind of blackboard | |
| CN206870686U (en) | A electric lift blackboard for mathematical education | |
| CN214616627U (en) | Mining safety air door |
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: 20190830 Termination date: 20200726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |