CN203995282U - Universal type multimedia clipboard - Google Patents
Universal type multimedia clipboard Download PDFInfo
- Publication number
- CN203995282U CN203995282U CN201420435510.7U CN201420435510U CN203995282U CN 203995282 U CN203995282 U CN 203995282U CN 201420435510 U CN201420435510 U CN 201420435510U CN 203995282 U CN203995282 U CN 203995282U
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- plate body
- travel
- ing rest
- fixed support
- universal type
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Abstract
The utility model discloses a kind of universal type multimedia clipboard, it belongs to clipboard technical field, it comprises fixed support, travel(l)ing rest and plate body, between travel(l)ing rest and fixed support, there is longitudinal moving mechanism, between plate body and travel(l)ing rest, there is transverse moving mechanism, comprise in addition plate body detent mechanism, it is in the middle of the classroom that has teaching and need, can coordinate display screen or projection screen to use, it has added plate body detent mechanism in the prior art, can limit moving up and down of plate body, prevent plate body malfunction when teacher writes, improve teacher's writing speed and comfortable writing degree, strengthened the availability of clipboard, very practical.
Description
Technical field
The utility model relates to clipboard technical field.
Background technology
Traditional clipboard generally can only move up and down or move left and right; rising in recent years a kind of universal type multimedia clipboard; it is comprised of two separate clipboards; these two clipboards both can move up and down, and also can move left and right, between these two clipboards; conventionally be also provided with a display screen or projection screen; at ordinary times two clipboards can be covered to display screen or projection screen to middle merging, clipboard separately can be exposed to screen, be applicable to very much multimedia teaching.
At present; universal type multimedia clipboard adopts nesting type structure conventionally; on metope, fix a fixed support; fixed support is provided with a travel(l)ing rest that can vertically move; on travel(l)ing rest, arrange again can transverse shifting clipboard plate body; all travel mechanisms all adopt guide wheel to coordinate the form of guide groove; while moving up and down, in order to realize freely hovering of clipboard, also to adopt balanced controls; this mechanism mainly comprises counterweight, rope and pulley, and counterweight is by walking around rope and travel(l)ing rest and the plate body maintenance balance of pulley.Application number is that 201220692013.6 utility model patent " a kind of universal type clipboard " has adopted structure as mentioned above.
But, because travel mechanism lacks effective location mechanism, when being write, teacher often causes clipboard up and down or left and right malfunction, affect writing quality and speed, especially longitudinal moving mechanism adopts the mode of counterweigh to realize hovering, this balance is also unstable, is very easy to occur the situation that hovering was lost efficacy.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of universal type multimedia clipboard is provided, it has increased plate body detent mechanism on the basis of universal type multimedia clipboard original structure, this plate body detent mechanism is easy to use, it makes the inactive state of clipboard more stable, can prevent that clipboard from producing malfunction, improved stability and the availability of clipboard.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of universal type multimedia clipboard, it comprises fixed support, travel(l)ing rest and plate body, between travel(l)ing rest and fixed support, there is longitudinal moving mechanism, between plate body and travel(l)ing rest, there is transverse moving mechanism, in addition, also comprise plate body detent mechanism, plate body detent mechanism can limit the state conversion of clipboard from static to motion, plays the effect that prevents clipboard malfunction.
As preferably, plate body detent mechanism comprises groove and cavity, is provided with spring and steel ball in cavity, and steel ball embeds in groove under the elastic force effect of spring, and the centre of sphere of steel ball is positioned at cavity.
As preferably, also comprise balanced controls, balanced controls comprise counterweight, chain, sprocket wheel and sprocket shaft, sprocket wheel has two and be all connected with fixed support, and the two ends of sprocket shaft are connected with two sprocket wheels respectively, chain ride on sprocket wheel and with this sprocket engagement, the two ends of chain connect respectively counterweight and travel(l)ing rest, groove is positioned on sprocket wheel, and cavity is positioned on fixed support, and cavity does not contact with sprocket wheel.
As preferably, longitudinal moving mechanism comprises the longitudinal guide wheel being positioned on fixed support and is positioned at longitudinal guide groove at the travel(l)ing rest back side, and groove is positioned at longitudinal guide groove, and cavity is positioned on fixed support, and cavity does not contact with travel(l)ing rest.
As preferably, transverse moving mechanism comprises the horizontal guide wheel being positioned on travel(l)ing rest and is positioned at the horizontal guide groove at the plate body back side, and plate body detent mechanism comprises the magnet being positioned on travel(l)ing rest and is positioned at the iron plate at the plate body back side.
As preferably, fixed support and travel(l)ing rest are rectangle, large 15 millimeters of the height of the aspect ratio plate body of travel(l)ing rest, the width of travel(l)ing rest is the over half of plate body width, support bracket fastened height is the over half of travel(l)ing rest height, and support bracket fastened width is less 26 millimeters than the width of travel(l)ing rest, and this design can be played the effect of hiding fixed support and travel(l)ing rest, plate body moves to and where can not expose plate body internal structure below, safety more attractive in appearance.
As preferably, in every longitudinal guide groove, be provided with two protruding rails that protrusion direction is relative, longitudinally guide wheel have for the suitable groove of protruding rail, every protruding rail two longitudinal guide wheels of at least arranging in pairs or groups, each longitudinal guide wheel only contacts with a protruding rail, this protruding rail is recessed take turns and every longitudinal guide groove in there is biconvex rail the design free degree of restraint support to greatest extent, it can only be vertically moved, and can not rock in the other direction, do not rock, thus the stability of raising travel(l)ing rest.
As preferably, laterally the two ends of guide groove have limited block, and limited block is used for preventing that horizontal guide wheel from deviating from from horizontal guide groove.
As preferably, longitudinally the two ends of guide groove have spacing catch, and fixed support is provided with the buffer spring clashing into mutually for slowing down spacing catch and fixed support, and buffer spring is connected with block in one end of close spacing catch.
As preferably, support bracket fastened bottom is provided with the fall arrest catch for preventing that counterweight from dropping out from fixed support bottom, and this catch can avoid the personnel that cause due to counterweight accidental falling to be injured by a crashing object accident, thereby strengthens security of the present utility model.
The beneficial effect that adopts technique scheme to produce is: the utility model has increased plate body detent mechanism on the basis of existing technology, this plate body detent mechanism is easy to use, it can limit the state conversion of clipboard from static to motion, thereby prevent clipboard malfunction when teacher writes, improve stability and the availability of clipboard, make writing of teacher more freely smooth, very practical.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of fixed support 3 in Fig. 1;
Fig. 3 is the structural representation of travel(l)ing rest 2 in Fig. 1;
Fig. 4 is the left view of plate body 1 in Fig. 1;
Fig. 5 is the A position enlarged drawing of Fig. 2;
Fig. 6 is the structural representation of Fig. 5 middle sprocket 7;
Fig. 7 is the matching relationship schematic diagram between plate body 1 and travel(l)ing rest 2 in Fig. 1;
Fig. 8 is the rearview of plate body 1 in Fig. 1.
In figure: 1, plate body; 2, travel(l)ing rest; 3, fixed support; 4, counterweight; 5, chain; 6, longitudinal guide wheel; 7, sprocket wheel; 8, sprocket shaft; 9, buffer spring; 10, horizontal guide wheel; 11, brace; 12, horizontal guide groove; 13, limited block; 14, ledge for chalk on blackboard; 15, cavity; 16, spring, 17, steel ball; 18, groove; 19, longitudinal guide groove; 20, protruding rail; 21, groove; 22, spacing catch; 23, fall arrest catch; 24, block; 25, magnet; 26, iron plate.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1:
As shown in Fig. 1 to 8, a kind of universal type multimedia clipboard, it comprises the plate body 1 of rectangle, fixed support 3 and travel(l)ing rest 2, plate body 1 is wide 2 meters, high 1.24 meters, travel(l)ing rest 2 is wide 1.12 meters, high 1.255 meters, fixed support 3 is wide 1.094 meters, high 0.81 meter, fixed support 3 is fixed on body of wall, on four angles of fixed support 3, respectively there are two with longitudinal guide wheel 6 of groove 21, the top of fixed support 3 has two sprocket wheels 7 in left and right, between two sprocket wheels 7, be also connected with the sprocket shaft 8 of a level, the both sides, back of travel(l)ing rest 2 have two longitudinal guide grooves 19 that are parallel to each other, longitudinally in guide groove 19, there are two protruding rails 20 that relatively protrude, this protruding rail 20 stretches in the groove 21 of longitudinal guide wheel 6, longitudinally guide wheel 6 can roll along protruding rail 20, after travel(l)ing rest 2 assembles with fixed support 3, every protruding rail 20 two longitudinal guide wheels 6 of all arranging in pairs or groups, each longitudinal guide wheel 6 only contacts with a protruding rail 20, travel(l)ing rest 2 connects counterweight 4 by two chains 5, chain 5 is connected with the brace 11 at travel(l)ing rest 2 middle parts, chain 5 rides on sprocket wheel 7 and with sprocket wheel 7 and meshes, travel(l)ing rest 2 can move up and down under the balance of counterweight 4 together with plate body 1, the bottom of fixed support 3 is provided with the fall arrest catch 23 for preventing that counterweight 4 from dropping out from fixed support 3 bottoms, four jiaos of travel(l)ing rest 2 respectively have a horizontal guide wheel 10, plate body 1 upper and lower both sides, the back side have two horizontal guide grooves 12 that are parallel to each other, laterally the cross section of guide groove 12 is c-shaped, laterally guide wheel 10 can laterally laterally move in guide groove 12, plate body 1 assembles rear horizontal guide groove 12 with travel(l)ing rest 2 and encases horizontal guide wheel 10, horizontal guide wheel 10 can not be passed from the opening part over against metope of horizontal guide groove 12, laterally the two ends of guide groove 12 have the limited block 13 for preventing that horizontal guide wheel 10 from deviating from, longitudinally the two ends of guide groove 19 are provided with spacing catch 22, fixed support 3 is provided with the buffer spring 9 clashing into mutually for slowing down spacing catch 22 and fixed support 3, buffer spring 9 is also connected with block 24 in the one end near spacing catch 22, on the lateral surface of sprocket wheel 7, around sprocket wheel 7 axle center, be provided with equably six cylinder shape grooves 18, on fixed support 3, on the position relative with groove 18, be also provided with a circular cylindrical cavity 15, spring 16 and steel ball 17 are housed in cavity 15, steel ball 17 embeds in groove 18 under the pressure of spring 16, the centre of sphere of steel ball 17 is positioned at cavity 15 all the time, steel ball 17 plays with the interaction force of groove 18 effect that prevents that sprocket wheel 7 from rotating, when the rotating torque of sprocket wheel 7 reaches certain threshold value, steel ball 17 is pressed in cavity 15, sprocket wheel 7 starts to rotate, in addition, between fixed support 3 and travel(l)ing rest 2, be also provided with extra plate body detent mechanism, wherein the cavity 15 of plate body detent mechanism is positioned at region corresponding with longitudinal guide groove 19 on fixed support 3, the groove 18 of plate body detent mechanism is positioned at longitudinal guide groove 19, and longitudinally the length direction of guide groove 19 is distributed with several, above-mentioned two plate body detent mechanisms can limit the malfunction up and down of plate body 1, between travel(l)ing rest 2 and plate body 1, be also provided with plate body detent mechanism, this plate body detent mechanism comprises the magnet 25 being positioned on travel(l)ing rest 2 and the some iron plates 26 that are positioned at plate body 1 back side, it can limit the left and right malfunction of plate body 1.
Embodiment 2:
As shown in Fig. 1 to 8, a kind of universal type multimedia clipboard, its structure is identical with embodiment 1, just do not comprise the balanced controls in embodiment 1, and the plate body detent mechanism between balanced controls and fixed support 3, in the present embodiment, the hovering up and down of plate body 1 is to realize by the plate body detent mechanism between travel(l)ing rest 2 and fixed support 3, which makes the structure of the present embodiment simpler, and alleviated the weight of whole device, reduce the risk that this device comes off from body of wall, made this device in use safer.
The utility model is used for having in the middle of the classroom of teaching needs, it can coordinate display screen or projection screen to use, the utility model is minimum apart from 0.63 meter of ground level, 1.065 meters of rise ground levels, as (1.7 meters wide for 82 inches, 1.27 meters are high) display screen, can be apart from ground, 0.8 meter of high position arranges two universal type multimedia clipboards as described in example 1 above, both are at a distance of 1.7 meters, in the middle of both, place display screen, thereby plate body can be closed up to screen-concealing to centre when not needing multimedia display, when screen being exposed whenever necessary, very convenient.
The utility model can move freely within the specific limits up and down, facilitate writing of teacher, no matter height height all can be used, in addition, plate body detent mechanism in the utility model can also be strengthened the stability of plate body when static, prevent the upper and lower and left and right malfunction of plate body, fluency and comfort level when raising teacher writes, very practical.
It should be noted that, the above-mentioned specific embodiment is only preferred embodiment of the present utility model, is not used for limiting protection domain of the present utility model, and the equivalents of making on the basis of above-described embodiment all belongs to protection domain of the present utility model.Such as, size of the present utility model can need actual adjustment according to client, and the width of plate body can be accomplished 4 meters, highly accomplishes 1.5 meters, and like this, the moving range of plate body also can correspondingly increase.
Claims (10)
1. a universal type multimedia clipboard, it comprises fixed support (3), travel(l)ing rest (2) and plate body (1), between described travel(l)ing rest (2) and described fixed support (3), there is longitudinal moving mechanism, between described plate body (1) and described travel(l)ing rest (2), there is transverse moving mechanism, it is characterized in that: also comprise plate body detent mechanism.
2. universal type multimedia clipboard according to claim 1, it is characterized in that described plate body detent mechanism comprises groove (18) and cavity (15), in described cavity (15), be provided with spring (16) and steel ball (17), described steel ball (17) embeds in described groove (18) under the elastic force effect of spring (16), and the centre of sphere of described steel ball (17) is positioned at described cavity (15).
3. universal type multimedia clipboard according to claim 2, characterized by further comprising balanced controls, described balanced controls comprise counterweight (4), chain (5), sprocket wheel (7) and sprocket shaft (8), described sprocket wheel (7) has two and be all connected with described fixed support (3), the two ends of described sprocket shaft (8) are connected with two sprocket wheels (7) respectively, described chain (5) rides over described sprocket wheel (7) above and meshes with this sprocket wheel (7), the two ends of described chain (5) connect respectively described counterweight (4) and described travel(l)ing rest (2), described groove (18) is positioned on described sprocket wheel (7), described cavity (15) is positioned on described fixed support (3), described cavity (15) does not contact with described sprocket wheel (7).
4. universal type multimedia clipboard according to claim 2, it is characterized in that described longitudinal moving mechanism comprises the longitudinal guide wheel (6) being positioned on fixed support (3) and is positioned at longitudinal guide groove (19) at travel(l)ing rest (2) back side, described groove (18) is positioned at described longitudinal guide groove (19), it is upper that described cavity (15) is positioned at described fixed support (3), and described cavity (15) does not contact with described travel(l)ing rest (2).
5. universal type multimedia clipboard according to claim 1, it is characterized in that described transverse moving mechanism comprises the horizontal guide wheel (10) being positioned on travel(l)ing rest (2) and is positioned at the horizontal guide groove (12) at described plate body (1) back side, described plate body detent mechanism comprises the magnet (25) being positioned on described travel(l)ing rest (2) and is positioned at the iron plate (26) at described plate body (1) back side.
6. universal type multimedia clipboard according to claim 1, it is characterized in that described fixed support (3) and described travel(l)ing rest (2) are rectangle, described in the aspect ratio of described travel(l)ing rest (2), the height of plate body (1) is large 15 millimeters, the width of described travel(l)ing rest (2) is the over half of described plate body (1) width, the height of described fixed support (3) is the over half of described travel(l)ing rest (2) height, and the width of described fixed support (3) is less 26 millimeters than the width of described travel(l)ing rest (2).
7. universal type multimedia clipboard according to claim 4, it is characterized in that being provided with in every longitudinal guide groove (19) two protruding rails (20) that protrusion direction is relative, described longitudinal guide wheel (6) have for the suitable groove (21) of described protruding rail (20), every protruding rail (20) two longitudinal guide wheels (6) of at least arranging in pairs or groups, each longitudinal guide wheel (6) only contacts with a protruding rail (20).
8. universal type multimedia clipboard according to claim 5, is characterized in that the two ends of described horizontal guide groove (12) have limited block (13).
9. universal type multimedia clipboard according to claim 4, the two ends that it is characterized in that described longitudinal guide groove (19) have spacing catch (22), described fixed support (3) is provided with the buffer spring (9) clashing into mutually for slowing down described spacing catch (22) and described fixed support (3), and described buffer spring (9) is connected with block (24) in the one end near described spacing catch (22).
10. universal type multimedia clipboard according to claim 3, is characterized in that the bottom of described fixed support (3) is provided with the fall arrest catch (23) for preventing that described counterweight (4) from dropping out from described fixed support (3) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435510.7U CN203995282U (en) | 2014-08-04 | 2014-08-04 | Universal type multimedia clipboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435510.7U CN203995282U (en) | 2014-08-04 | 2014-08-04 | Universal type multimedia clipboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203995282U true CN203995282U (en) | 2014-12-10 |
Family
ID=52035337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420435510.7U Withdrawn - After Issue CN203995282U (en) | 2014-08-04 | 2014-08-04 | Universal type multimedia clipboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203995282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097428A (en) * | 2014-08-04 | 2014-10-15 | 石家庄科达文教用品有限公司 | Universal type multimedia writing board |
| CN109215481A (en) * | 2017-07-08 | 2019-01-15 | 盘锦雨源新创意开发推广有限公司 | A kind of architectural design three-dimensional model production mold |
-
2014
- 2014-08-04 CN CN201420435510.7U patent/CN203995282U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097428A (en) * | 2014-08-04 | 2014-10-15 | 石家庄科达文教用品有限公司 | Universal type multimedia writing board |
| CN104097428B (en) * | 2014-08-04 | 2015-12-16 | 石家庄科达文教用品有限公司 | Universal type multimedia clipboard |
| CN109215481A (en) * | 2017-07-08 | 2019-01-15 | 盘锦雨源新创意开发推广有限公司 | A kind of architectural design three-dimensional model production mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |