CN104139643A - Combined multimedia writing board - Google Patents
Combined multimedia writing board Download PDFInfo
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- CN104139643A CN104139643A CN201410378993.6A CN201410378993A CN104139643A CN 104139643 A CN104139643 A CN 104139643A CN 201410378993 A CN201410378993 A CN 201410378993A CN 104139643 A CN104139643 A CN 104139643A
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Abstract
The invention discloses a combined multimedia writing board, and belongs to the technical field of writing boards. The combined multimedia writing board comprises a fixed support and two movable supports, a transverse movement mechanism is arranged among the fixed support and the movable supports, each movable support is connected with a front movable plate and a rear movable plate which are equal in weight, two plate lifting wheels are arranged at the top of each movable support, the front movable plate and the rear movable plate of each movable support are connected through two flexible cables, the two flexible cables of each movable support are arranged on the corresponding two plate lifting wheels respectively, longitudinal synchronous wheels are arranged on the two transverse sides of each front movable plate and the two transverse sides of each rear movable plate respectively, the movable supports are provided with longitudinal guide grooves matched with the longitudinal synchronous wheels, two longitudinal protruding rails opposite in protruding direction are arranged in each longitudinal guide groove, and first grooves matched with the longitudinal protruding rails are formed in the circle faces of the longitudinal synchronous wheels. The combined multimedia writing board is suitable for lecture theaters and other large places, and is reasonable in structure, even in layout, safe, reliable, high in plate face utilization rate and very practical.
Description
Technical field
The present invention relates to clipboard technical field.
Background technology
The multimedia clipboard that can move freely is the especially standard configuration at lecture theater of vast classroom now, at present, the Mobile multimedia clipboard generally adopting mainly contains two kinds, be a multimedia clipboard that is merely able to left and right push-and-pull, also having a kind of is to move up and down the what is called " universal type clipboard " that also can move left and right.
Application number is that the patent of invention " Bidirectional horizontal slide blackboard " of CN00240699.3 discloses a kind of blackboard that can move left and right, and it comprises fixing framework on the wall and two blackboards that can move left and right on framework.
Application number is that the patent of invention " a kind of universal type clipboard " of CN201220692013.6 discloses and a kind ofly can either move up and down the clipboard that also can move left and right, it comprises fixing fixed support on the wall, the travel(l)ing rest that can enough move up and down on fixed support, and the clipboard that can move left and right on travel(l)ing rest.
The common trait of above two kinds of products is, they all only comprise two blackboards or clipboard, wherein every block of plate can move left and right or left and right moves up and down, like this, when the area of every block of plate is very large, will there is the inconvenient situation of using, even move clipboard to least significant end, also be not easy to write above clipboard, the utilization rate of clipboard is reduced, in addition, if clipboard adopts the reciprocating mechanism with counterweight, also can increase overall weight, bring potential safety hazard, and in large-scale lecture theater, for meeting pittite's the needs of watching, that often clipboard will be done is very large, on the other hand, clipboard of the prior art generally adopts sprocket wheel to coordinate the mode of sprocket shaft to realize synchronously when moving up and down, this mode has increased the complexity of structure, also improved the cost of product.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, a kind of combined type multimedia clipboard is provided, it includes four clipboards altogether, these four clipboards are divided into two groups, every group can move left and right, in group, comprise two clipboards that can move up and down, these two clipboards are counterweight each other, when moving up and down, clipboard adopt synchronizing wheel mode to realize synchronously, saved the sprocket shaft that plays synchronous effect in conventional art, the size of every clipboard is all of moderate size, whole combined type multimedia clipboard layout is even, rational in infrastructure, safe and reliable, plate face utilization rate is high, be applicable to the application in large-scale place.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of combined type multimedia clipboard, it comprises the fixed support being fixed on body of wall, and two travel(l)ing rests that are connected with fixed support, between fixed support and travel(l)ing rest, there is the transverse moving mechanism for travel(l)ing rest is moved left and right, transverse moving mechanism comprises horizontal guide wheel, movable plate body after movable plate body and one before each travel(l)ing rest is also connected with equiponderant one, the top of each travel(l)ing rest is provided with two plate body lifting wheels that position is fixing, front movable plate body is connected by flexible cable with rear movable plate body, article two, flexible cable rides over respectively on two plate body lifting wheels, front portable plate body be positioned at rear movable plate body before, front movable plate body, rear movable plate body, flexible cable, plate body lifting wheel forms a fixed pulley system, and due to front, rear portable plate body weight measuring tank etc. thereby can freely hover, the both lateral sides of front movable plate body and rear movable plate body all has longitudinal synchronizing wheel, travel(l)ing rest has the longitudinal guide groove suitable with longitudinal synchronizing wheel, in every longitudinal guide groove, be provided with two longitudinal protruding rails that protrusion direction is relative, longitudinally the circle face of synchronizing wheel be provided with for suitable the first groove of longitudinal protruding rail, every longitudinal protruding rail two longitudinal synchronizing wheels of at least arranging in pairs or groups, each longitudinal synchronizing wheel only contacts with a longitudinal protruding rail, before this design can limit to greatest extent, the free degree of rear movable plate body, it can only be moved up and down, and can there is not rocking all around, especially before can making, the right and left synchronization lifting of rear movable plate body, i.e. so-called " synchronously " effect.
As preferably, longitudinally the top of guide groove is provided with the first limited block, can prevent the rigid shock of movable plate body and travel(l)ing rest, play the effect of buffering, noise reduction, in addition because forward and backward movable plate body connects by flexible cable, to the restriction of a movable plate body, be also the restriction to another movable plate body, simultaneously, thereby only need the first limited block be set on the top of longitudinal guide groove, and all arrange without top and bottom.
As preferably, transverse moving mechanism has four groups, lays respectively at the two ends up and down of two travel(l)ing rests, and the horizontal guide wheel that every group of transverse moving mechanism comprises is no less than two, and this layout can guarantee the stability of travel(l)ing rest, prevents that travel(l)ing rest is crooked.
As preferably, transverse moving mechanism also comprises that cross section is the horizontal guide groove of C shape, and laterally guide wheel is positioned at horizontal guide groove, and cross section is that the horizontal guide groove of C shape can encase horizontal guide wheel, prevents that horizontal guide wheel is separated with horizontal guide groove.
As preferably, transverse moving mechanism also comprises horizontal protruding rail, and laterally the circle face of guide wheel is provided with second groove suitable with horizontal protruding rail.
As preferably, the two ends of transverse moving mechanism are provided with the second limited block, can prevent that horizontal guide wheel from deviating from from transverse moving mechanism.
As preferably, plate body lifting wheel is sprocket wheel, and flexible cable is chain.
As preferably, plate body lifting wheel is pulley, and flexible cable is steel wire rope.
As preferably, the bottom of front movable plate body and rear movable plate body is equipped with the elongated handle for grasping.
As preferably, also comprise ledge for chalk on blackboard, the lower end of ledge for chalk on blackboard is provided with chalk ash containers.
The beneficial effect that adopts technique scheme to produce is: the present invention is comprised of four clipboards, these four clipboards are divided into two groups, every group can move left and right, in group, comprise two clipboards that can move up and down, these two clipboards are counterweight each other, thereby saved extra counterweight, alleviated whole weight, when moving up and down, clipboard adopt synchronizing wheel mode to realize synchronously, saved the sprocket shaft that plays synchronous effect in conventional art, the size of every clipboard is moderate, whole combined type multimedia clipboard layout is even, rational in infrastructure, safe and reliable, activity freely, plate face utilization rate is high, be applicable to very much the needs such as large-scale lecture theater the place use of large-area writing plate is installed.
Accompanying drawing explanation
Fig. 1 is the use state diagram of embodiment 1;
Fig. 2 is the structural representation of travel(l)ing rest in Fig. 1;
Fig. 3 is the side view of front movable plate body and rear movable plate body in Fig. 1;
Fig. 4 is the structural representation of longitudinal guide groove in embodiment 1;
Fig. 5 is the side view of travel(l)ing rest in embodiment 1;
Fig. 6 is the side view of travel(l)ing rest in embodiment 2;
Fig. 7 is the side view of travel(l)ing rest in embodiment 3;
Fig. 8 is the use state diagram of embodiment 3.
In figure: 1, travel(l)ing rest; 2, front movable plate body; 3, horizontal guide groove; 4, rear movable plate body; 5, horizontal protruding rail; 6, plate body lifting wheel; 7, flexible cable; 8, longitudinal synchronizing wheel; 9, longitudinal guide groove; 10, longitudinal protruding rail; 11, horizontal guide wheel; 12, the second limited block; 13, fixed support; 14, multimedia display screen; 15, magnetic white board; 16, elongated handle; 17, ledge for chalk on blackboard.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment 1:
As Fig. 1, 2, 3, 4, shown in 5, a kind of combined type multimedia clipboard, it comprises the fixed support 13 being fixed on body of wall, and two travel(l)ing rests 1 that are connected with fixed support 13, movable plate body 4 after movable plate body 2 and one before comprising in addition one, respectively there is a horizontal guide groove 3 at the two ends up and down of fixed support 13, four jiaos of each travel(l)ing rest 1 back side respectively have a horizontal guide wheel 11, wherein two horizontal guide wheels 11 of top are positioned at the horizontal guide groove 3 of fixed support 13 upper ends, two horizontal guide wheels 11 of below are positioned at the horizontal guide groove 3 of fixed support 13 lower ends, laterally guide wheel 11 can roll left and right in horizontal guide groove 3, laterally the cross section of guide groove 3 is C shape, thereby can encase horizontal guide wheel 11, prevent that horizontal guide wheel 11 is separated with horizontal guide groove 3, the top of each travel(l)ing rest 1 is provided with two plate body lifting wheels 6 that position is fixing, front movable plate body 2 is connected by two flexible cables 7 with rear movable plate body 4, two flexible cables 7 ride over respectively on two plate body lifting wheels 6, wherein plate body lifting wheel 6 is pulley, flexible cable 7 is steel wire rope, front movable plate body 2 be positioned at rear movable plate body 4 before, being equal in weight and mutual balance of front movable plate body 2 and rear movable plate body 4, the lower end of front movable plate body 2 and rear movable plate body 4 all has for grasping so that the elongated handle 16 of upper and lower push-and-pull, the both lateral sides of front movable plate body 2 and rear movable plate body 4 all has longitudinal synchronizing wheel 8, travel(l)ing rest 1 has the longitudinal guide groove 9 suitable with longitudinal synchronizing wheel 8, in every longitudinal guide groove 9, be provided with two longitudinal protruding rails 10 that protrusion direction is relative, longitudinally the circle face of synchronizing wheel 8 be provided with for suitable the first groove of longitudinal protruding rail 10, two longitudinal synchronizing wheels 8 of every longitudinal protruding rail 10 collocation, each longitudinal synchronizing wheel 8 only contacts with a longitudinal protruding rail 10, longitudinally the top of guide groove 9 is provided with the first limited block, the first limited block is quality of rubber materials, for preventing the rigid shock of movable plate body and travel(l)ing rest 1, play buffering, the effect of noise reduction, laterally the two ends of guide groove 3 are provided with the second limited block 12, prevent that horizontal guide wheel 11 from deviating from from horizontal guide groove 3, the bottom of travel(l)ing rest 1 is also provided with ledge for chalk on blackboard 17, the lower end of ledge for chalk on blackboard 17 is provided with chalk ash containers, fixed support 13 length are with laterally guide groove 3 length are identical, fixed support 13 height are highly identical with travel(l)ing rest 1, 300 centimetres of travel(l)ing rest 1 length, high 200 centimetres, long 290 centimetres of the movable plate body in front and back, high 90 centimetres, laterally guide groove 3 length is 790 centimetres, same travel(l)ing rest top rail is 270 centimetres to the distance between left and right of guide wheel 11.
The multimedia display screen 14 of 190 centimetres of 190 cm x can be placed by the central authorities of this combined type multimedia clipboard, this multimedia display screen can be electronic whiteboard, touch-control TV, display screen, projection screen etc., when two travel(l)ing rests 1 are drawn close to central authorities, these multimedia display screen 14 cresteds can be exposed multimedia display screen 14 when two travel(l)ing rests 1 pull open to both sides.
Embodiment 2:
As Fig. 1, 2, 3, 4, shown in 6, a kind of combined type multimedia clipboard, its structure is identical with embodiment 1, just respectively there is a horizontal guide groove 3 at the two ends up and down at each travel(l)ing rest 1 back side, fixed support 13 has 8 the horizontal guide wheels 11 suitable with horizontal guide groove 3, two horizontal guide wheels 11 of every horizontal guide groove 3 collocation, laterally guide wheel 11 can roll left and right in horizontal guide groove 3, in every horizontal guide groove 3, be provided with two horizontal protruding rails 5 that protrusion direction is relative, laterally the circle face of guide wheel 11 be provided with for suitable the second groove of horizontal protruding rail 5, laterally protruding rail 5 stretches in the second groove, thereby prevent that horizontal guide wheel 11 is separated with horizontal guide groove 3, in addition, plate body lifting wheel 6 is sprocket wheel, flexible cable 7 is chain.
Embodiment 3:
As Fig. 2, 3, 4, 7, shown in 8, a kind of combined type multimedia clipboard, its structure is identical with embodiment 1, just ledge for chalk on blackboard 17 and chalk ash containers are positioned on fixed support 13, the upper end of fixed support 13 is provided with the horizontal guide groove 3 that a sliver transvers section is C shape, lower end is provided with a horizontal protruding rail 5, each travel(l)ing rest 1 top be provided with two with the suitable horizontal guide wheel 11 of horizontal guide groove 3, this horizontal guide wheel 11 is positioned at horizontal guide groove 3, each travel(l)ing rest 1 bottom is provided with again two horizontal guide wheels 11, the circle face of this horizontal guide wheel 11 be provided with for suitable the second groove of horizontal protruding rail 5, laterally protruding rail 5 stretches in the second groove, laterally guide wheel 11 can be at transverse shifting on horizontal protruding rail 5.
The multimedia display screen 14 of 190 centimetres of 190 cm x can be placed by the central authorities of this combined type multimedia clipboard, and two magnetic white boards 15 can also be placed in both sides.
The places such as large-scale lecture theater of the present invention for large-area writing plate need to be installed, having solved tradition writes board size and can not do to obtain very large problem, it is comprised of four clipboards, these four clipboards are divided into two groups, every group can move left and right, in group, comprise two clipboards that can move up and down, these two clipboards are counterweight each other, thereby saved extra counterweight, alleviated whole weight, when moving up and down, clipboard adopt synchronizing wheel mode to realize synchronously, saved the sprocket shaft that plays synchronous effect in conventional art, the size of every clipboard is moderate, whole combined type multimedia clipboard layout is even, rational in infrastructure, safe and reliable, activity freely, plate face utilization rate is high, spectators' viewing effect is good, very practical.
Claims (10)
1. a combined type multimedia clipboard, it is characterized in that: comprise the fixed support (13) being fixed on body of wall, and two travel(l)ing rests (1) that are connected with described fixed support (13), between described fixed support (13) and described travel(l)ing rest (1), there is the transverse moving mechanism for travel(l)ing rest (1) is moved left and right, described transverse moving mechanism comprises horizontal guide wheel (11), movable plate body (4) after movable plate body (2) and one before each travel(l)ing rest (1) is also connected with equiponderant one, the top of each travel(l)ing rest (1) is provided with two plate body lifting wheels (6) that position is fixing, described front movable plate body (2) is connected by two flexible cables (7) with rear movable plate body (4), article two, flexible cable (7) rides over respectively on two plate body lifting wheels (6), described front movable plate body (2) be positioned at described rear movable plate body (4) before, the both lateral sides of described front movable plate body (2) and rear movable plate body (4) all has longitudinal synchronizing wheel (8), described travel(l)ing rest (1) has the longitudinal guide groove (9) suitable with described longitudinal synchronizing wheel (8), in every longitudinal guide groove (9), be provided with two longitudinal protruding rails (10) that protrusion direction is relative, the circle face of described longitudinal synchronizing wheel (8) be provided with for suitable the first groove of described longitudinal protruding rail (10), every longitudinal protruding rail (10) two longitudinal synchronizing wheels (8) of at least arranging in pairs or groups, each longitudinal synchronizing wheel (8) only contacts with a longitudinal protruding rail (10).
2. combined type multimedia clipboard according to claim 1, is characterized in that the top of described longitudinal guide groove (9) is provided with the first limited block.
3. combined type multimedia clipboard according to claim 1, is characterized in that described transverse moving mechanism has four groups, lays respectively at the two ends up and down of two travel(l)ing rests (1), and the horizontal guide wheel (11) that every group of transverse moving mechanism comprises is no less than two.
4. combined type multimedia clipboard according to claim 1, is characterized in that described transverse moving mechanism also comprises that cross section is the horizontal guide groove (3) of C shape, and described horizontal guide wheel (11) is positioned at described horizontal guide groove (3).
5. combined type multimedia clipboard according to claim 1, is characterized in that described transverse moving mechanism also comprises horizontal protruding rail (5), and the circle face of described horizontal guide wheel (11) is provided with second groove suitable with described horizontal protruding rail (5).
6. combined type multimedia clipboard according to claim 1, is characterized in that the two ends of described transverse moving mechanism are provided with the second limited block (12).
7. combined type multimedia clipboard according to claim 1, is characterized in that described plate body lifting wheel (6) is sprocket wheel, and described flexible cable (7) is chain.
8. combined type multimedia clipboard according to claim 1, is characterized in that described plate body lifting wheel (6) is pulley, and described flexible cable (7) is steel wire rope.
9. combined type multimedia clipboard according to claim 1, is characterized in that the bottom of described front movable plate body (2) and rear movable plate body (4) is equipped with the elongated handle (16) for grasping.
10. combined type multimedia clipboard according to claim 1, characterized by further comprising ledge for chalk on blackboard (17), and the lower end of ledge for chalk on blackboard (17) is provided with chalk ash containers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378993.6A CN104139643B (en) | 2014-08-04 | 2014-08-04 | Combined type multimedia clipboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410378993.6A CN104139643B (en) | 2014-08-04 | 2014-08-04 | Combined type multimedia clipboard |
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| Publication Number | Publication Date |
|---|---|
| CN104139643A true CN104139643A (en) | 2014-11-12 |
| CN104139643B CN104139643B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410378993.6A Active CN104139643B (en) | 2014-08-04 | 2014-08-04 | Combined type multimedia clipboard |
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| Country | Link |
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| CN (1) | CN104139643B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387942A (en) * | 2020-03-23 | 2020-07-10 | 徐前威 | Information-based monitor and monitoring system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434143Y (en) * | 2000-08-04 | 2001-06-13 | 黄万谋 | Shifter of writing board |
| CN2436324Y (en) * | 2000-08-28 | 2001-06-27 | 苗俊魁 | Composite type blackboard |
| CN2448571Y (en) * | 2000-10-19 | 2001-09-19 | 班林杰 | Bidirectional horizontal slide blackboard |
| CN202156180U (en) * | 2011-08-03 | 2012-03-07 | 袁安锋 | Movable blackboard |
| CN202806067U (en) * | 2012-09-07 | 2013-03-20 | 荣梓钦 | Non-reflective blackboard |
| CN202896048U (en) * | 2012-11-01 | 2013-04-24 | 上海市格致中学 | Translational white board |
| CN202965668U (en) * | 2012-12-14 | 2013-06-05 | 深圳起航教学设备有限公司 | Universal type writing board |
| CN203004755U (en) * | 2012-12-07 | 2013-06-19 | 李彤 | Double-layer cleaning-free blackboard |
| CN203371954U (en) * | 2013-07-03 | 2014-01-01 | 上海久润复合材料有限公司 | Self-balancing lifting type writing board |
| CN203995275U (en) * | 2014-08-04 | 2014-12-10 | 石家庄科达文教用品有限公司 | Combined type multimedia clipboard |
-
2014
- 2014-08-04 CN CN201410378993.6A patent/CN104139643B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434143Y (en) * | 2000-08-04 | 2001-06-13 | 黄万谋 | Shifter of writing board |
| CN2436324Y (en) * | 2000-08-28 | 2001-06-27 | 苗俊魁 | Composite type blackboard |
| CN2448571Y (en) * | 2000-10-19 | 2001-09-19 | 班林杰 | Bidirectional horizontal slide blackboard |
| CN202156180U (en) * | 2011-08-03 | 2012-03-07 | 袁安锋 | Movable blackboard |
| CN202806067U (en) * | 2012-09-07 | 2013-03-20 | 荣梓钦 | Non-reflective blackboard |
| CN202896048U (en) * | 2012-11-01 | 2013-04-24 | 上海市格致中学 | Translational white board |
| CN203004755U (en) * | 2012-12-07 | 2013-06-19 | 李彤 | Double-layer cleaning-free blackboard |
| CN202965668U (en) * | 2012-12-14 | 2013-06-05 | 深圳起航教学设备有限公司 | Universal type writing board |
| CN203371954U (en) * | 2013-07-03 | 2014-01-01 | 上海久润复合材料有限公司 | Self-balancing lifting type writing board |
| CN203995275U (en) * | 2014-08-04 | 2014-12-10 | 石家庄科达文教用品有限公司 | Combined type multimedia clipboard |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387942A (en) * | 2020-03-23 | 2020-07-10 | 徐前威 | Information-based monitor and monitoring system thereof |
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| Publication number | Publication date |
|---|---|
| CN104139643B (en) | 2016-05-11 |
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Address after: 052160 No.6 Fengchan Road, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee after: Shijiazhuang Keda Education Equipment Co.,Ltd. Address before: 052160 No.6 Fengchan Road, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee before: SHIJIAZHUANG KEDA STATIONERY Co.,Ltd. |
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