CN103600606A - Push-pull writing board - Google Patents
Push-pull writing board Download PDFInfo
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- CN103600606A CN103600606A CN201310657135.0A CN201310657135A CN103600606A CN 103600606 A CN103600606 A CN 103600606A CN 201310657135 A CN201310657135 A CN 201310657135A CN 103600606 A CN103600606 A CN 103600606A
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- sliding panel
- fixed head
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- separately positioned
- board
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Abstract
The invention discloses a push-pull writing board, belonging to teaching aids. The push-pull writing board comprises an outer frame, a sliding board and a fixed board, wherein the outer frame comprises an upper frame, a lower frame, a left vertical frame and a right vertical frame; the sliding board comprises a left sliding board and a right sliding board; the fixed board comprises a left fixed board and a right fixed board; the left sliding board and the right sliding board are arranged on the front sides of the left fixed board and right fixed board respectively and are in sliding connection with the outer frame respectively; an upper baffle and a lower baffle are arranged at the upper part and lower part of a cavity between the left fixed plate and the right fixed plate; the left and right ends of the lower baffle are fixedly connected with the left fixed plate and the right fixed plate respectively; the upper baffle is arranged at the lower part of the upper frame, and the left and right ends are connected with the left fixed board and right fixed board through a movable connection device respectively; a liquid crystal television is arranged between the upper baffle and the lower baffle. The push-pull writing board disclosed by the invention has the characteristics that the height of the upper baffle can be adjusted, the push-pull writing board can adapt to liquid crystal televisions with different specifications and is convenient and quick to dismantle, the repair and maintenance of electronic equipment such as liquid crystal televisions and the like are facilitated, etc.
Description
Technical field
The present invention relates to a kind of teaching aid, especially a kind of push-and-pull clipboard.
Background technology
Along with scientific and technological development, single teaching method was progressively enhanced in the past.Multi-media classroom, with content of courses presentation mode by all kinds of means, combines theory teaching and object teaching, the multiple participation of sensory organs study of mobilizing students, promoted teaching quality, improved efficiency of teaching, expanded teaching scale.
At present, in the application of multi-media classroom, conventional solution be take projector, real object exhibition booth, computer etc. as main.Such solution can easily be presented on the contents of courses such as material object, computer teaching courseware, video, audio frequency in face of student, yet in most teaching practices, traditional " writing on the blackboard " is still the most frequently used teaching means, because by writing on the blackboard, teacher can insert the content of courses off the cuff, can effectively control teaching process.So the mode that multi-media classroom and writing on the blackboard combine becomes the teaching pattern that many teachers like.LCD TV enters in the middle of Faculty and Students just under this requirement background, becomes gradually indispensable educational aid.
But the baffle plate on present used push-and-pull clipboard is directly to fix by rivet, can not regulate height, can not adapt to the LCD TV of different size, and dismounting is inconvenient, be not easy to maintenance and the maintenance of the electronic equipments such as LCD TV.
At present, the solution also not had.
Summary of the invention
Technical assignment of the present invention is to provide a kind of push-and-pull clipboard for above-mentioned deficiency of the prior art, this push-and-pull clipboard has between overhead gage and fixed head and is connected by articulating device, can regulate the height of overhead gage, the LCD TV that can adapt to different size, can be according to the position of the specification size adjustment overhead gage of LCD TV, convenient disassembly is quick, is convenient to maintenance and the maintenance of the electronic equipments such as LCD TV, feature easy to use.
The technical solution adopted for the present invention to solve the technical problems is: it comprises housing, sliding panel and fixed head, described housing comprises upper ledge, lower frame, left stile and right vertical frame, described sliding panel comprises left sliding panel and right sliding panel, described fixed head comprises left fixed head and right fixed head, described left fixed head and right fixed head are separately positioned on the left and right sides in housing, described left sliding panel and right sliding panel are separately positioned on the front side of left fixed head and right fixed head, be slidably connected with housing respectively, described left fixed head and the cavity upper and lower between right fixed head are respectively arranged with overhead gage and lower baffle plate, described lower baffle plate is arranged on the top of lower frame, two ends, left and right are fixedly connected with right fixed head with left fixed head respectively, described overhead gage is arranged on the bottom of upper ledge, two ends, left and right are connected with right fixed head with left fixed head by articulating device respectively, between described overhead gage and lower baffle plate, be provided with LCD TV.
Described articulating device comprises link plate and buckles, described link plate is separately positioned on left fixed head right side and right fixed head left side below below, described buckling is separately positioned on overhead gage left side and right side below, before described link plate, be respectively arranged with a plurality of hanging grooves that arrange from top to bottom, described hanging groove matches with overhead gage left side and buckling of right side respectively.
Described a plurality of hanging grooves evenly arrange from top to bottom along link plate.
Described left sliding panel is connected with housing by carriage respectively with right sliding panel.
Described carriage comprises carriage and lower slider device, described upper carriage comprises two hanger rail pulleys and the two hanger rails that match with two hanger rail pulleys, described two hanger rail pulleys comprise respectively two, be separately positioned on the left and right sides at left sliding panel top and the left and right sides at right sliding panel top, described two hanger rails are arranged on the bottom of upper ledge, each described two hanger rail pulley comprise respectively front wheel, rear wheel, rotating shaft and intermediate connector, described rotating shaft is arranged on the middle part of intermediate connector, front wheel and rear wheel are separately positioned on the two ends of rotating shaft, described front wheel and rear wheel match with two hanger rails, described intermediate connector is separately positioned on the top of left sliding panel and right sliding panel, described lower slider device comprises lower sheave and the glidepath matching with lower sheave, described lower sheave comprises respectively two, be separately positioned on the left and right sides of left sliding panel bottom and the left and right sides of right sliding panel bottom, described glidepath is arranged on the lower frame of left sliding panel and right sliding panel rear side, each described lower sheave comprises respectively left chain wheel, right pulley, left rotary shaft, right spindle and lower connector, described lower connector outer end is connected with right sliding panel with left sliding panel respectively, the inner is arranged on the bottom of glidepath, the inner left and right sides of described lower connector is respectively arranged with left rotary shaft and right spindle, on described left rotary shaft and right spindle, be respectively arranged with left chain wheel and right pulley, described left chain wheel and right pulley are separately positioned in glidepath, and match with glidepath.
Described intermediate connector is fixedly connected with right sliding panel top with left sliding panel by bolt respectively.
Between described left sliding panel and right sliding panel, be provided with padlock.
The right side of described left sliding panel and the left side of right sliding panel are respectively arranged with hollow out handle.
Described left stile and the rear side of right vertical frame are respectively arranged with side seal board.
Described upper arch and lower frame bottom are respectively arranged with fixture, and described fixture fixes by pulling rivet and upper ledge and lower frame respectively, and by interior expansion bolt, are connected between body of wall.
The front side of described lower frame is provided with dust groove, is provided with dust and portals on described dust groove, on described dust portals, is provided with obstruction.
Push-and-pull clipboard of the present invention compared to the prior art, there is following outstanding beneficial effect: between overhead gage and fixed head, by articulating device, be connected, can regulate the height of overhead gage, the LCD TV that can adapt to different size, can be according to the position of the specification size adjustment overhead gage of LCD TV, convenient disassembly is quick, is convenient to maintenance and the maintenance of the electronic equipments such as LCD TV; The front and back accurate positioning of sliding panel, writes Shi Buhui front and back and rocks; Sliding panel top employing pair hanger rails and two hanger rail pulleys, be more conducive to slide, and slip is steady flexibly, noise is little; Sliding panel bottom adopts rearmounted glidepath, prevents that dust from falling in glidepath, avoids sliding panel sliding motionless, and stability is strong, guarantees the features such as slip is smooth, noise is little, does not rock front and back, durable in use.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic diagram of push-and-pull clipboard;
Accompanying drawing 2 is plan structure schematic diagrames of push-and-pull clipboard;
Accompanying drawing 3 is left TV structure schematic diagrames of push-and-pull clipboard;
Accompanying drawing 4 is the A-A views shown in Fig. 1;
Accompanying drawing 6 is the local enlarged diagrams of the II shown in Fig. 4;
Accompanying drawing 7 is that push-and-pull clipboard is removed sliding panel main TV structure schematic diagram afterwards;
Accompanying drawing 8 is that push-and-pull clipboard is removed sliding panel backsight structural representation afterwards;
Accompanying drawing 9 is that structure for amplifying schematic diagram is looked on the left side shown in Fig. 7;
Description of reference numerals: 1, upper ledge, 2, lower frame, 3, left stile, 4, right vertical frame, 5, left sliding panel, 6, right sliding panel, 7, left fixed head, 8, right fixed head, 9, overhead gage, 10, lower baffle plate, 11, LCD TV, 12, link plate, 13, buckle, 14, hanging groove, 15, two hanger rail pulleys, 16, two hanger rails, 17, front wheel, 18, rear wheel, 19, rotating shaft, 20, intermediate connector, 21, lower sheave, 22, glidepath, 23, left chain wheel, 24, right pulley, 25, left rotary shaft, 26, right spindle, 27, lower connector, 28, padlock, 29, hollow out handle, 30, side seal board, 31, fixture, 32, pulling rivet, 33, interior expansion bolt.
The specific embodiment
With reference to Figure of description 1 to 19 pairs of push-and-pull clipboards of the present invention of accompanying drawing, be described in detail below.
Push-and-pull clipboard of the present invention, its structure comprises housing, sliding panel and fixed head, described housing comprises upper ledge 1, lower frame 2, left stile 3 and right vertical frame 4, described sliding panel comprises left sliding panel 5 and right sliding panel 6, described fixed head comprises left fixed head 7 and right fixed head 8, described left fixed head 7 and right fixed head 8 are separately positioned on the left and right sides in housing, described left sliding panel 5 and right sliding panel 6 are separately positioned on the front side of left fixed head 7 and right fixed head 8, be slidably connected with housing respectively, described left fixed head 7 and the cavity upper and lower between right fixed head 8 are respectively arranged with overhead gage 9 and lower baffle plate 10, described lower baffle plate 10 is arranged on the top of lower frame 2, two ends, left and right are fixedly connected with right fixed head 8 with left fixed head 7 respectively, described overhead gage 9 is arranged on the bottom of upper ledge 1, two ends, left and right are connected with right fixed head 8 with left fixed head 7 by articulating device respectively, between described overhead gage 9 and lower baffle plate 10, be provided with LCD TV 11.
Described articulating device comprises link plate 12 and buckles 13, described link plate 12 is separately positioned on left fixed head 7 right side and right fixed head 8 left side below below, described buckle 13 and be separately positioned on overhead gage 9 left side and right side below, described link plate 12 be respectively arranged with above a plurality of hanging grooves 14 that arrange from top to bottom, described hanging groove 14 13 matches with buckling of overhead gage 9 left sides and right side respectively.By on overhead gage 9 buckle 13 from hanging groove 14 different on link plate 12 between cooperation, can realize moving up and down of overhead gage 9, thereby regulate the size in the space that need to insert LCD TV 11, thereby can adapt to the LCD TV 11 of different size size.
Described a plurality of hanging grooves 14 evenly arrange from top to bottom along link plate 12.
Described left sliding panel 5 is connected with housing by carriage respectively with right sliding panel 6.
Described carriage comprises carriage and lower slider device, described upper carriage comprises two hanger rail pulleys 15 and the two hanger rails 16 that match with two hanger rail pulleys 15, described two hanger rail pulleys 15 comprise respectively two, be separately positioned on the left and right sides at left sliding panel 5 tops and the left and right sides at right sliding panel 6 tops, described two hanger rails 16 are arranged on the bottom of upper ledge 1, each described two hanger rail pulley 15 comprise respectively front wheel 17, rear wheel 18, rotating shaft 19 and intermediate connector 20, described rotating shaft 19 is arranged on the middle part of intermediate connector 20, front wheel 17 and rear wheel 18 are separately positioned on the two ends of rotating shaft 19, described front wheel 17 and rear wheel 18 match with two hanger rails 16, described intermediate connector 20 is separately positioned on the top of left sliding panel 5 and right sliding panel 6, described lower slider device comprises lower sheave 21 and the glidepath 22 matching with lower sheave 21, described lower sheave 21 comprises respectively two, be separately positioned on the left and right sides of left sliding panel 5 bottoms and the left and right sides of right sliding panel 6 bottoms, described glidepath 22 is arranged on the lower frame of left sliding panel 5 and right sliding panel 6 rear sides, each described lower sheave 21 comprises respectively left chain wheel 23, right pulley 24, left rotary shaft 25, right spindle 26 and lower connector 27, described lower connector 27 outer ends are connected with right sliding panel 6 with left sliding panel 5 respectively, the inner is arranged on the bottom of glidepath 22, the inner left and right sides of described lower connector 27 is respectively arranged with left rotary shaft 25 and right spindle 26, on described left rotary shaft 25 and right spindle 26, be respectively arranged with left chain wheel 23 and right pulley 24, described left chain wheel 23 and right pulley 24 are separately positioned in glidepath 22, and match with glidepath 22.
Described intermediate connector 20 is fixedly connected with right sliding panel 6 tops with left sliding panel 5 by bolt respectively.
Between described left sliding panel 5 and right sliding panel 6, be provided with padlock 28.
The right side of described left sliding panel 5 and the left side of right sliding panel 6 are respectively arranged with hollow out handle 29.Take up room little, easy to use.
Described left stile 3 and the rear side of right vertical frame 4 are respectively arranged with side seal board 30.When thicker LCD TV 11 is installed, do not need outwards to lift clipboard yet, easy to use.
Described upper ledge 1 top and lower frame 2 bottoms are respectively arranged with fixture 31, and described fixture 31 fixes by pulling rivet 32 and upper ledge 1 and lower frame 2 respectively, and by interior expansion bolt 33, are connected between body of wall.
The front side of described lower frame 2 is provided with dust groove, is provided with dust and portals on described dust groove, on described dust portals, is provided with obstruction.When in dust groove, dust is many, the obstruction on dust is portalled is taken off, and dust is pushed into dust and portals, and dust is portalled and conveniently discharged along dust.
The front and back accurate positioning of sliding panel, writes Shi Buhui front and back and rocks; Sliding panel top employing pair hanger rails 16 and two hanger rail pulleys 15, be more conducive to slide, and slip is steady flexibly, noise is little; Sliding panel bottom adopts rearmounted glidepath 22, prevents that dust from falling in glidepath 22, avoids sliding panel sliding motionless, and stability is strong, guarantee to slide smooth, noise is little, does not rock front and back, durable in use.
LCD TV Shang Xia 11 fit on baffle plate 9 and lower baffle plate 10 do decorative panel, overhead gage 9 and lower baffle plate 10 can be realized seamless link with LCD TV 11, and installation wall is hidden in after clipboard, monnolithic case is attractive in appearance; Sliding panel opens and closes freely, realizes the switching simple and fast between clipboard and multimedia teaching when giving lessons, and after closing, can lock, and can guarantee LCD TV 11 safety.
Housing is all selected high-grade sandblast aluminium alloy, overhead gage 9 adopts hang to connect, by link plate 12 rivet clasps on the stile of fixed head, to buckle 13 rivet clasps below overhead gage 9, after installation, buckling 13 hangs in the hanging groove 14 of link plate 12, convenient disassembly is quick, is convenient to maintenance and the maintenance of LCD TV 11 electronic equipments such as grade.
Except the technical characterictic described in description, be the known technology of those skilled in the art.
Claims (10)
1. push-and-pull clipboard, comprise housing, sliding panel and fixed head, described housing comprises upper ledge, lower frame, left stile and right vertical frame, described sliding panel comprises left sliding panel and right sliding panel, described fixed head comprises left fixed head and right fixed head, described left fixed head and right fixed head are separately positioned on the left and right sides in housing, described left sliding panel and right sliding panel are separately positioned on the front side of left fixed head and right fixed head, be slidably connected with housing respectively, it is characterized in that: described left fixed head and the cavity upper and lower between right fixed head are respectively arranged with overhead gage and lower baffle plate, described lower baffle plate is arranged on the top of lower frame, two ends, left and right are fixedly connected with right fixed head with left fixed head respectively, described overhead gage is arranged on the bottom of upper ledge, two ends, left and right are connected with right fixed head with left fixed head by articulating device respectively, between described overhead gage and lower baffle plate, be provided with LCD TV.
2. push-and-pull clipboard according to claim 1, it is characterized in that: described articulating device comprises link plate and buckles, described link plate is separately positioned on left fixed head right side and right fixed head left side below below, described buckling is separately positioned on overhead gage left side and right side below, before described link plate, be respectively arranged with a plurality of hanging grooves that arrange from top to bottom, described hanging groove matches with overhead gage left side and buckling of right side respectively.
3. push-and-pull clipboard according to claim 2, is characterized in that: described a plurality of hanging grooves evenly arrange from top to bottom along link plate.
4. push-and-pull clipboard according to claim 1, is characterized in that: described left sliding panel is connected with housing by carriage respectively with right sliding panel.
5. push-and-pull clipboard according to claim 4, is characterized in that: described carriage comprises carriage and lower slider device, described upper carriage comprises two hanger rail pulleys and the two hanger rails that match with two hanger rail pulleys, described two hanger rail pulleys comprise respectively two, be separately positioned on the left and right sides at left sliding panel top and the left and right sides at right sliding panel top, described two hanger rails are arranged on the bottom of upper ledge, each described two hanger rail pulley comprise respectively front wheel, rear wheel, rotating shaft and intermediate connector, described rotating shaft is arranged on the middle part of intermediate connector, front wheel and rear wheel are separately positioned on the two ends of rotating shaft, described front wheel and rear wheel match with two hanger rails, described intermediate connector is separately positioned on the top of left sliding panel and right sliding panel, described lower slider device comprises lower sheave and the glidepath matching with lower sheave, described lower sheave comprises respectively two, be separately positioned on the left and right sides of left sliding panel bottom and the left and right sides of right sliding panel bottom, described glidepath is arranged on the lower frame of left sliding panel and right sliding panel rear side, each described lower sheave comprises respectively left chain wheel, right pulley, left rotary shaft, right spindle and lower connector, described lower connector outer end is connected with right sliding panel with left sliding panel respectively, the inner is arranged on the bottom of glidepath, the inner left and right sides of described lower connector is respectively arranged with left rotary shaft and right spindle, on described left rotary shaft and right spindle, be respectively arranged with left chain wheel and right pulley, described left chain wheel and right pulley are separately positioned in glidepath, and match with glidepath.
6. push-and-pull clipboard according to claim 5, is characterized in that: described intermediate connector is fixedly connected with right sliding panel top with left sliding panel by bolt respectively.
7. push-and-pull clipboard according to claim 1, is characterized in that: between described left sliding panel and right sliding panel, be provided with padlock.
8. push-and-pull clipboard according to claim 1, is characterized in that: the right side of described left sliding panel and the left side of right sliding panel are respectively arranged with hollow out handle.
9. push-and-pull clipboard according to claim 1, is characterized in that: described left stile and the rear side of right vertical frame are respectively arranged with side seal board.
10. push-and-pull clipboard according to claim 1, is characterized in that: described upper arch and lower frame bottom are respectively arranged with fixture, and described fixture fixes by pulling rivet and upper ledge and lower frame respectively, and by interior expansion bolt, is connected between body of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657135.0A CN103600606A (en) | 2013-12-06 | 2013-12-06 | Push-pull writing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657135.0A CN103600606A (en) | 2013-12-06 | 2013-12-06 | Push-pull writing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103600606A true CN103600606A (en) | 2014-02-26 |
Family
ID=50118901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310657135.0A Pending CN103600606A (en) | 2013-12-06 | 2013-12-06 | Push-pull writing board |
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| Country | Link |
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| CN (1) | CN103600606A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139644A (en) * | 2014-08-04 | 2014-11-12 | 石家庄科达文教用品有限公司 | Multimedia arc composite writing board |
| CN104139642A (en) * | 2014-08-04 | 2014-11-12 | 石家庄科达文教用品有限公司 | Embedded fixed writing board |
| CN105856913A (en) * | 2015-01-22 | 2016-08-17 | 李海龙 | Push-pull teaching board |
| CN109203780A (en) * | 2018-11-12 | 2019-01-15 | 石家庄科达文教用品有限公司 | Clipboard and clipboard maintaining method easy to maintain |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007021003A (en) * | 2005-07-20 | 2007-02-01 | Daiken Trade & Ind Co Ltd | Housing cabinet |
| CN201114485Y (en) * | 2007-09-11 | 2008-09-10 | 四川长虹电器股份有限公司 | Rack |
| JP2011142965A (en) * | 2010-01-12 | 2011-07-28 | Sue Mokko:Kk | Shelf board unit and wall surface furniture |
| KR20120018387A (en) * | 2010-08-23 | 2012-03-05 | 김금자 | Boadr for studing |
| CN202623679U (en) * | 2012-03-22 | 2012-12-26 | 石家庄科达文教用品有限公司 | Compound device of electronic whiteboard and blackboards |
| CN103342072A (en) * | 2013-07-15 | 2013-10-09 | 济南蓝贝思特科技有限公司 | Multimedia writing board |
| CN203580430U (en) * | 2013-12-06 | 2014-05-07 | 济南蓝贝思特科技有限公司 | Push-and-pull writing board |
-
2013
- 2013-12-06 CN CN201310657135.0A patent/CN103600606A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007021003A (en) * | 2005-07-20 | 2007-02-01 | Daiken Trade & Ind Co Ltd | Housing cabinet |
| CN201114485Y (en) * | 2007-09-11 | 2008-09-10 | 四川长虹电器股份有限公司 | Rack |
| JP2011142965A (en) * | 2010-01-12 | 2011-07-28 | Sue Mokko:Kk | Shelf board unit and wall surface furniture |
| KR20120018387A (en) * | 2010-08-23 | 2012-03-05 | 김금자 | Boadr for studing |
| CN202623679U (en) * | 2012-03-22 | 2012-12-26 | 石家庄科达文教用品有限公司 | Compound device of electronic whiteboard and blackboards |
| CN103342072A (en) * | 2013-07-15 | 2013-10-09 | 济南蓝贝思特科技有限公司 | Multimedia writing board |
| CN203580430U (en) * | 2013-12-06 | 2014-05-07 | 济南蓝贝思特科技有限公司 | Push-and-pull writing board |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139644A (en) * | 2014-08-04 | 2014-11-12 | 石家庄科达文教用品有限公司 | Multimedia arc composite writing board |
| CN104139642A (en) * | 2014-08-04 | 2014-11-12 | 石家庄科达文教用品有限公司 | Embedded fixed writing board |
| CN104139644B (en) * | 2014-08-04 | 2016-09-07 | 石家庄科达文教用品有限公司 | Multimedia arc composite writing board |
| CN105856913A (en) * | 2015-01-22 | 2016-08-17 | 李海龙 | Push-pull teaching board |
| CN109203780A (en) * | 2018-11-12 | 2019-01-15 | 石家庄科达文教用品有限公司 | Clipboard and clipboard maintaining method easy to maintain |
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Application publication date: 20140226 |