CN204845279U - Cleaning device for blackboard - Google Patents
Cleaning device for blackboard Download PDFInfo
- Publication number
- CN204845279U CN204845279U CN201520641896.1U CN201520641896U CN204845279U CN 204845279 U CN204845279 U CN 204845279U CN 201520641896 U CN201520641896 U CN 201520641896U CN 204845279 U CN204845279 U CN 204845279U
- Authority
- CN
- China
- Prior art keywords
- side rod
- release lever
- connecting base
- carriage release
- blackboard
- 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 utility model provides a cleaning device for blackboard belongs to teaching equipment technical field. It has solved the clear comparatively trouble problem of writing of current blackboard. This cleaning device for blackboard, blackboard include the rectangle framework and link firmly the plate body in the framework, and the framework has a last side rod and lower side rod that sets up along the horizontal direction, cleaning device includes the carriage release lever, it scrapes the strip to have linked firmly along length direction on the carriage release lever, there is last connecting seat along length direction sliding connection on going up the side rod, there is lower connecting seat along length direction sliding connection on the side rod down, the one end of carriage release lever is shirked the formula and is connected on last connecting seat, the other end shirks the formula and connects under on the connecting seat, and side rod and lower side rod on the carriage release lever difference perpendicular to, go up all to be equipped with on connecting seat and the connecting seat down to make and scrape the strip and compress tightly the pressure spring on the plate body side, still be equipped with the manipulation piece that is used for driving carriage release lever reciprocating motion down on the side rod. The utility model is used for writing on the clean blackboard, convenient operation is swift.
Description
Technical field
The utility model belongs to teaching equipment technical field, relates to a kind of cleaning device of blackboard.
Background technology
Blackboard not refers in particular to the plate face of black; traditional sense is said it be one can the plane of repeated writing; plate face is hard; be used for teaching; it is a kind of comparatively general teaching equipment; blackboard plank or ground glass etc. are made; can write above with specific writing materials such as chalks; in use chalk handwriting or drawing on blackboard can be used; then writing is known by blackboard eraser; but in use blackboard eraser process, need wiping repeatedly, use and comparatively bother, and the chalk dust be scattered is harmful to the health of human body.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of cleaning device of blackboard, the writing of cleaning device on clean blackboard of this blackboard, convenient to operation.
The purpose of this utility model realizes by following technical proposal: a kind of cleaning device of blackboard, blackboard comprises rectangular box and is connected in the plate body in framework, described framework has the upper side rod and lower side rod that arrange in the horizontal direction, it is characterized in that, described cleaning device comprises carriage release lever, described carriage release lever is fixed with scraping article along its length, described upper side rod slidably connects upper connecting base along its length, lower side rod slidably connects lower connecting base along its length, one end dismountable type of described carriage release lever is connected on upper connecting base, other end dismountable type is connected on lower connecting base, and carriage release lever is respectively perpendicular to upper side rod and lower side rod, described upper connecting base and lower connecting base are equipped with scraping article can be made to be pressed on holddown spring on plate body side, described lower side rod is also provided with the controls for driving carriage release lever to move back and forth.
Upper connecting base and lower connecting base all can move along plate body length direction, and on carriage release lever, be fixed with the scraping article of strip, scrape strip adoption felt or the material similar with felt is made, under the effect of holddown spring, scraping article is pressed on plate body side, when needing to remove the writing on plate body, manual operation controls, carriage release lever is moved along plate body length direction, namely scraping article can inswept whole plate body side and by plate body writing remove, convenient to operation, simultaneously because carriage release lever can disassemble from upper connecting base and lower connecting base, therefore, it is possible to only clear up scraping article with rear long-time, ensure its stability in use.
In the cleaning device of above-mentioned blackboard, the upper and lower side of described upper side rod and lower side rod offers gathering sill all along its length, described upper connecting base and the equal rectangular-blocklike of lower connecting base, all roll in the side of upper connecting base and lower connecting base and be provided with two row's rollers, two row's rollers on upper connecting base lay respectively in the gathering sill in the upper and lower side of side rod, and two row's rollers on lower connecting base lay respectively in the gathering sill in the upper and lower side of lower side rod.Namely upper connecting base is all connected by roller with lower connecting base, and frictional force time mobile is little, rapid operation and avoid moving process to occur clamping stagnation.
In the cleaning device of above-mentioned blackboard, the downside of described upper connecting base offers spliced eye, the hole wall of described spliced eye offers blind hole, on this, the aperture of blind hole is towards plate body, in described upper blind hole, sliding plug has traveller, blind hole is stretched out in one end of this traveller, and be hinged with contact roller at external part, a described holddown spring is arranged in blind hole, and one end of holddown spring is pressed on blind hole bottom surface, the other end is pressed on the other end of traveller, described carriage release lever upper end sidewall offers arc positioning groove, and the upper end of carriage release lever is inserted in spliced eye, under holddown spring effect, contact roller is pressed in locating slot, scraping article is pressed on plate body side.Spliced eye is inserted in the upper end of carriage release lever, contact roller can be pressed in locating slot and the upper end of carriage release lever is compressed location, simultaneously this thrust also can time scraping article be pressed on plate body side, after carriage release lever is located, between the upper end end face of carriage release lever and spliced eye bottom surface, there is certain gap, when needing to dismantle, the upper end of carriage release lever further being inserted spliced eye makes the lower end of carriage release lever depart from lower connecting base, is then extracted the upper end of carriage release lever, easy accessibility.
In the cleaning device of above-mentioned blackboard, the upper side of described lower connecting base offers mounting groove, the cell wall of described mounting groove offers lower blind hole, in described lower blind hole, sliding plug has alignment pin, the above-mentioned holddown spring of another root is arranged in lower blind hole, and one end of holddown spring is pressed on the bottom surface of lower blind hole, the other end is pressed on the inner end of alignment pin, the lower end sidewall of described carriage release lever offers locating hole, and the lower end of carriage release lever is inserted in mounting groove, under holddown spring effect, the outer end of alignment pin is plugged in locating hole.The lower end of carriage release lever is fixed by alignment pin, and stable connection is high, also provides thrust to the lower end of carriage release lever simultaneously, scraping article is pressed on plate body side.
In the cleaning device of above-mentioned blackboard, described controls comprises leading screw, along its length there is pilot hole in described lower side rod, the side of lower side rod offers bar-shaped trough along its length, this bar-shaped trough and pilot hole connect, and described screw turns is connected in pilot hole, and described leading screw is bolted with contiguous block, above-mentioned lower connecting base has connecting rod, and described connecting rod is connected on contiguous block through bar-shaped trough.Drive carriage release lever to move by rotating threaded shaft, operator operates without the need to walking about, convenient and swift.
In the cleaning device of above-mentioned blackboard, the end of lower side rod is stretched out in the end of described leading screw, and external part is provided with handle.Grip for operator, handled easily.
Compared with prior art, the cleaning device of this blackboard has the following advantages:
1, due to manual operation controls, carriage release lever is moved along plate body length direction, namely scraping article can inswept whole plate body side and by plate body writing remove, convenient to operation.
2, because carriage release lever can disassemble from upper connecting base and lower connecting base, therefore, it is possible to only clear up scraping article with rear long-time, its stability in use is ensured.
Accompanying drawing explanation
Fig. 1 is structure front view of the present utility model.
Fig. 2 is structure sectional view of the present utility model.
Fig. 3 is the schematic enlarged-scale view at A place in Fig. 2.
Fig. 4 is the schematic enlarged-scale view at B place in Fig. 2.
In figure, 1, framework; 11, upper side rod; 12, lower side rod; 13, gathering sill; 14, pilot hole; 15, bar-shaped trough; 2, plate body; 3, carriage release lever; 31, scraping article; 32, upper connecting base; 321, spliced eye; 322, upper blind hole; 323, traveller; 324, contact roller; 325, locating slot; 33, lower connecting base; 331, mounting groove; 332, lower blind hole; 333, alignment pin; 334, locating hole; 34, roller; 4, leading screw; 41, contiguous block; 42, connecting rod; 43, handle; 5, holddown spring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figures 1 to 4, a kind of cleaning device of blackboard, the plate body 2 that blackboard comprises rectangular box 1 and is connected in framework 1, framework 1 has the upper side rod 11 and lower side rod 12 that arrange in the horizontal direction, cleaning device comprises carriage release lever 3, carriage release lever 3 is fixed with scraping article 31 along its length, upper side rod 11 slidably connects upper connecting base 32 along its length, lower side rod 12 slidably connects lower connecting base 33 along its length, one end dismountable type of carriage release lever 3 is connected on upper connecting base 32, other end dismountable type is connected on lower connecting base 33, and carriage release lever 3 is respectively perpendicular to upper side rod 11 and lower side rod 12, upper connecting base 32 and lower connecting base 33 are equipped with scraping article 31 can be made to be pressed on holddown spring 5 on plate body 2 side, lower side rod 12 is also provided with the controls for driving carriage release lever 3 to move back and forth.Upper connecting base 32 and lower connecting base 33 all can move along plate body 2 length direction, and on carriage release lever 3, be fixed with the scraping article 31 of strip, scraping article 31 adopts the materials such as felt to make, under the effect of holddown spring 5, scraping article 31 is pressed on plate body 2 side, when needing to remove the writing on plate body 2, manual operation controls, carriage release lever 3 is moved along plate body 2 length direction, namely scraping article 31 can inswept whole plate body 2 side and by plate body 2 writing remove, convenient to operation, simultaneously because carriage release lever 3 can disassemble from upper connecting base 32 and lower connecting base 33, therefore, it is possible to only clear up scraping article 31 with rear long-time, ensure its stability in use.
Specifically, the upper and lower side of described upper side rod 11 and lower side rod 12 offers gathering sill 13 all along its length, described upper connecting base 32 and lower connecting base 33 all rectangular-blocklike, all roll in the side of upper connecting base 32 and lower connecting base 33 and be provided with two row's rollers 34, two row's rollers 34 on upper connecting base 32 lay respectively in the gathering sill 13 in the upper and lower side of side rod 11, and two row's rollers 34 on lower connecting base 33 lay respectively in the gathering sill 13 in the upper and lower side of lower side rod 12.Namely upper connecting base 32 is all connected by roller 34 with lower connecting base 33, and frictional force time mobile is little, rapid operation and avoid moving process to occur clamping stagnation.
The downside of upper connecting base 32 offers spliced eye 321, the hole wall of spliced eye 321 offers blind hole 322, on this, the aperture of blind hole 322 is towards plate body 2, in upper blind hole 322, sliding plug has traveller 323, blind hole 322 is stretched out in one end of this traveller 323, and be hinged with contact roller 324 at external part, a described holddown spring 5 is arranged in blind hole 322, and one end of holddown spring 5 is pressed on blind hole 322 bottom surface, the other end is pressed on the other end of traveller 323, carriage release lever 3 upper end sidewall offers arc positioning groove 325, and the upper end of carriage release lever 3 is inserted in spliced eye 321, under holddown spring 5 acts on, contact roller 324 is pressed in locating slot 325, scraping article 31 is pressed on plate body 2 side, spliced eye 321 is inserted in the upper end of carriage release lever 3, contact roller 324 can be pressed in locating slot 325 and the upper end of carriage release lever 3 is compressed location, simultaneously this thrust also can time scraping article 31 be pressed on plate body 2 side, after carriage release lever 3 is located, between the upper end end face of carriage release lever 3 and spliced eye 321 bottom surface, there is certain gap, when needing to dismantle, the upper end of carriage release lever 3 further being inserted spliced eye 321 makes the lower end of carriage release lever 3 depart from lower connecting base 33, then the upper end of carriage release lever 3 is extracted, easy accessibility.
The upper side of lower connecting base 33 offers mounting groove 331, the cell wall of mounting groove 331 offers lower blind hole 332, in lower blind hole 332, sliding plug has alignment pin 333, the above-mentioned holddown spring 5 of another root is arranged in lower blind hole 332, and one end of holddown spring 5 is pressed on lower blind hole 332 bottom surface, the other end is pressed on the inner end of alignment pin 333, the lower end sidewall of carriage release lever 3 offers locating hole 334, and the lower end of carriage release lever 3 is inserted in mounting groove 331, under holddown spring 5 acts on, the outer end of alignment pin 333 is plugged in locating hole 334, the lower end of carriage release lever 3 is fixed by alignment pin 333, stable connection is high, also provide thrust to the lower end of carriage release lever 3 simultaneously, scraping article 31 is pressed on plate body 2 side.
Controls comprises leading screw 4, in lower side rod 12, there is pilot hole 14 along its length, the side of lower side rod 12 offers bar-shaped trough 15 along its length, and this bar-shaped trough 15 connects with pilot hole 14, and leading screw 4 is rotatably connected in pilot hole 14, leading screw 4 is bolted with contiguous block 41, above-mentioned lower connecting base 33 has connecting rod 42, and connecting rod 42 is connected on contiguous block 41 through bar-shaped trough 15, drives carriage release lever 3 to move by rotating threaded shaft 4, operator operates without the need to walking about, convenient and swift.
The end of lower side rod 12 is stretched out in the end of leading screw 4, and has handle 43 at external part, grips, handled easily for operator.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. the cleaning device of a blackboard, blackboard comprises rectangular box (1) and is connected in the plate body (2) in framework (1), described framework (1) has the upper side rod (11) and lower side rod (12) that arrange in the horizontal direction, it is characterized in that, described cleaning device comprises carriage release lever (3), described carriage release lever (3) is fixed with along its length scraping article (31), described upper side rod (11) slidably connects upper connecting base (32) along its length, lower side rod (12) slidably connects lower connecting base (33) along its length, one end dismountable type of described carriage release lever (3) is connected on upper connecting base (32), other end dismountable type is connected on lower connecting base (33), and carriage release lever (3) is respectively perpendicular to upper side rod (11) and lower side rod (12), described upper connecting base (32) and lower connecting base (33) are equipped with and make scraping article (31) be pressed on holddown spring (5) on plate body (2) side, described lower side rod (12) is also provided with the controls for driving carriage release lever (3) to move back and forth.
2. the cleaning device of blackboard according to claim 1, it is characterized in that, the upper and lower side of described upper side rod (11) and lower side rod (12) offers gathering sill (13) all along its length, described upper connecting base (32) and lower connecting base (33) all rectangular-blocklike, all roll in the side of upper connecting base (32) and lower connecting base (33) and be provided with two row's rollers (34), two rows' roller (34) on upper connecting base (32) lay respectively in the gathering sill (13) in the upper and lower side of side rod (11), two rows' roller (34) on lower connecting base (33) lay respectively in the gathering sill (13) in the upper and lower side of lower side rod (12).
3. the cleaning device of blackboard according to claim 2, it is characterized in that, the downside of described upper connecting base (32) offers spliced eye (321), the hole wall of described spliced eye (321) offers blind hole (322), on this, the aperture of blind hole (322) is towards plate body (2), the interior sliding plug of described upper blind hole (322) has traveller (323), blind hole (322) is stretched out in one end of this traveller (323), and be hinged with contact roller (324) at external part, a described holddown spring (5) is arranged in blind hole (322), and one end of holddown spring (5) is pressed on the bottom surface of blind hole (322), the other end is pressed on the other end of traveller (323), described carriage release lever (3) upper end sidewall offers arc positioning groove (325), and the upper end of carriage release lever (3) is inserted in spliced eye (321), under holddown spring (5) effect, contact roller (324) is pressed in locating slot (325), scraping article (31) is pressed on plate body (2) side.
4. the cleaning device of blackboard according to claim 3, it is characterized in that, the upper side of described lower connecting base (33) offers mounting groove (331), the cell wall of described mounting groove (331) offers lower blind hole (332), the interior sliding plug of described lower blind hole (332) has alignment pin (333), the above-mentioned holddown spring (5) of another root is arranged in lower blind hole (332), and one end of holddown spring (5) is pressed on the bottom surface of lower blind hole (332), the other end is pressed on alignment pin (333) inner end, the lower end sidewall of described carriage release lever (3) offers locating hole (334), and the lower end of carriage release lever (3) is inserted in mounting groove (331), under holddown spring (5) effect, the outer end of alignment pin (333) is plugged in locating hole (334).
5. the cleaning device of the blackboard according to claim 3 or 4, it is characterized in that, described controls comprises leading screw (4), in described lower side rod (12), there is pilot hole (14) along its length, the side of lower side rod (12) offers bar-shaped trough (15) along its length, this bar-shaped trough (15) and pilot hole (14) connect, described leading screw (4) is rotatably connected in pilot hole (14), described leading screw (4) is bolted with contiguous block (41), above-mentioned lower connecting base (33) has connecting rod (42), described connecting rod (42) is connected on contiguous block (41) through bar-shaped trough (15).
6. the cleaning device of blackboard according to claim 5, is characterized in that, the end of lower side rod (12) is stretched out in the end of described leading screw (4), and external part is provided with handle (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641896.1U CN204845279U (en) | 2015-08-24 | 2015-08-24 | Cleaning device for blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520641896.1U CN204845279U (en) | 2015-08-24 | 2015-08-24 | Cleaning device for blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204845279U true CN204845279U (en) | 2015-12-09 |
Family
ID=54735866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520641896.1U Expired - Fee Related CN204845279U (en) | 2015-08-24 | 2015-08-24 | Cleaning device for blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204845279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459700A (en) * | 2016-01-01 | 2016-04-06 | 厉志安 | Automatic dust-removal blackboard eraser |
-
2015
- 2015-08-24 CN CN201520641896.1U patent/CN204845279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459700A (en) * | 2016-01-01 | 2016-04-06 | 厉志安 | Automatic dust-removal blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103950323A (en) | Blackboard with automatic blackboard eraser | |
| CN204845279U (en) | Cleaning device for blackboard | |
| CN204936600U (en) | A kind of removable clean blackboard | |
| CN203888487U (en) | Blackboard cleaning device | |
| CN214001124U (en) | Think political affairs teaching with show board structure | |
| CN101879832A (en) | Automatic blackboard cleaning device | |
| CN204845284U (en) | Grey device of collection of blackboard | |
| CN208714767U (en) | A kind of blackboard for teaching | |
| CN205112746U (en) | Lifting blackboard | |
| CN211543123U (en) | Sketch drawing board convenient to clearance rubber bits | |
| CN109501496B (en) | Blackboard cleaning device for middle school | |
| CN203888456U (en) | Push-and-pull blackboard quick to clean | |
| CN106427324A (en) | Blackboard with automatic dust removing function | |
| CN108097623A (en) | One kind is convenient for teaching mathematics teaching aid class device for fast cleaning | |
| CN204915029U (en) | Be used for blackboard for mathematical education | |
| CN209505300U (en) | A kind of middle school's blackboard cleaning device | |
| CN209534592U (en) | Driven blackboard cleaning machine | |
| CN206254692U (en) | Manual fast blackboard eraser | |
| CN204488329U (en) | The contractile blackboard eraser in a kind of wiping face | |
| CN206030870U (en) | Blackboard of english teaching usefulness | |
| CN204659299U (en) | One can wipe blackboard automatically | |
| CN105730084A (en) | Convenient-to-erase teaching blackboard | |
| CN214523026U (en) | Intelligent blackboard with cleaning function | |
| CN204526526U (en) | A kind of multi-functional blackboard | |
| CN208766138U (en) | Convenient for the partitioning device of concrete NDT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20160824 |