CN204870216U - Healthy blackboard - Google Patents
Healthy blackboard Download PDFInfo
- Publication number
- CN204870216U CN204870216U CN201520564608.7U CN201520564608U CN204870216U CN 204870216 U CN204870216 U CN 204870216U CN 201520564608 U CN201520564608 U CN 201520564608U CN 204870216 U CN204870216 U CN 204870216U
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- gripper shoe
- blackboard
- rotating shaft
- lower rotary
- shaft
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Abstract
The utility model provides a healthy blackboard belongs to the articles for use technical field that writes or paint. It has solved traditional blackboard needs the manual work to erase letter written with chalk, unhygienic, unsafe problem. This healthy blackboard, which comprises a bracket, locate the last pivot on the support, with last pivot parallel arrangement's lower pivot with be annular blackboard cloth, blackboard cloth cover is established in last pivot under and between the pivot, front side that blackboard cloth lies in pivot and down pivot is for being used for the literalness of writing of writing, blackboard cloth lies in the pivot and writes the literalness with the rear side of pivot down for the non -, upward pivot and infraduction ahead of front axle are equipped with to make and go up pivot and lower pivot synchronization pivoted transmission structure, be equipped with on the support to lie in and write literal NOT AND and write between the literalness and bottom plate that write literal parallel arrangement, the bottom plate is 1-2mm with the distance of writing the literalness, be equipped with the unit of wiping that is used for wiping on blackboard cloth characters on the support. The utility model has the advantages of write the convenience, can erase the letter written with chalk automatically, healthy health.
Description
Technical field
The utility model belongs to be write or painting supply technical field, relates to a kind of teaching equipment, particularly a kind of healthy blackboard.
Background technology
Along with the development of society, increasing convenience product is continuously created, and the living and studying quality of people is improved, and thing followed health problem also gets more and more people's extensive concerning.Blackboard and chalk, as traditional teaching aid, need artificial blackboard eraser to be wiped by letter written with chalk, bothersome effort after use, and can a large amount of chalk dust be flown away in the process of erasing chalk word, Faculty and Students breathe in body, in oral cavity, respiratory tract and pulmonary deposition, are detrimental to health.
For this reason, Chinese patent discloses a kind of hygienic blackboard [Authorization Notice No. is: CN202448577U], comprise support, washing trough and drive motors, the output shaft connection rotating shaft one of drive motors, rotating shaft one is installed belt wheel one, one end of rotating shaft one is passed support and extend in washing trough, rotating shaft one is rotationally connected with support and washing trough, the top of rotating shaft one arranges rotating shaft two, one end of rotating shaft two passes support and connects belt wheel two, belt wheel one is connected by driving-belt one with belt wheel two, rotating shaft two is arranged belt wheel three and belt wheel four, the top of rotating shaft two arranges rotating shaft three, rotating shaft three is arranged belt wheel five and belt wheel six, belt wheel three and belt wheel five-way cross driving-belt two connection, belt wheel four is connected by driving-belt three with belt wheel six, blackboard cloth installed by driving-belt two and driving-belt three, the bottom of blackboard cloth extend in washing trough, washing trough comprises the cell body being loaded with washing lotion, the part that rotating shaft one extend in washing trough installs hairbrush.
This hygienic blackboard structure is simple, uses and can not threaten to the health of people, compare health.But still there is following problem in it: the writing 1, on blackboard cloth is cleaned by washing lotion, blackboard cloth need be immersed in washing lotion completely, cleaned rear blackboard cloth is soaked, and needs could continue to write after blackboard cloth is dry every a period of time, is unsuitable for writing classroom frequently; 2, washing lotion can not writing completely on erasing blackboard cloth, makes troubles to writing next time; 3, blackboard cloth is unsettled setting, and when writing, blackboard cloth pressurized inwardly concaves, and writes inconvenience.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind ofly to write conveniently, can the healthy blackboard of auto-erasing letter written with chalk.
The purpose of this utility model realizes by following technical proposal:
This healthy blackboard, comprise support, be located at the upper rotating shaft on support, the lower rotary shaft arranged with upper shaft parallel and ringwise blackboard cloth, described blackboard cloth is set between rotating shaft and lower rotary shaft, the front side that blackboard cloth is positioned at rotating shaft and lower rotary shaft is the face of writing for writing, the rear side that blackboard cloth is positioned at rotating shaft and lower rotary shaft is that non-write is literal, it is characterized in that, the drive mechanism making rotating shaft and lower rotary shaft synchronous axial system is provided with before described upper rotating shaft and lower rotary shaft, described support be provided with the face of writing and non-write literal between the base plate be arranged in parallel with the face of writing, described base plate is 1 ~ 2mm with the distance in face of writing, described support is provided with the erase unit of word on erasing blackboard cloth.
In the healthy blackboard of above-mentioned one, the gripper shoe two that the top of described support is provided with gripper shoe one and is oppositely arranged with gripper shoe one, upper rotating shaft is arranged between gripper shoe one and gripper shoe two by bearing, the gripper shoe four that the bottom of described support is provided with gripper shoe three and is oppositely arranged with gripper shoe three, lower rotary shaft is arranged between gripper shoe three and gripper shoe four by bearing, the corner of above-mentioned base plate is respectively equipped with connecting portion, first connecting portion and gripper shoe one clamping, second connecting portion and gripper shoe two clamping, 3rd connecting portion and gripper shoe three clamping, 4th connecting portion and gripper shoe four clamping.
In the healthy blackboard of above-mentioned one, described erase unit comprise be located at frame upper the upper back shaft arranged with upper shaft parallel, be sheathed on the upper cylinder on upper back shaft and the tubular be sheathed on outside upper cylinder wipes wet sponge, the literal Structure deformation of non-write of described erasing wet sponge and blackboard cloth, the axial length of described erasing wet sponge is greater than the width of blackboard cloth.This erase unit, except can adopting erasing wet sponge, can also select wet cloth, wet tissue etc., because erasing wet sponge is used for erasing and adsorption of dust, for ensureing erasing effect, needs regularly to change erasing wet sponge.
In the healthy blackboard of above-mentioned one, described erase unit also comprise be located at support bottom the lower support axle be arranged in parallel with lower rotary shaft, be sheathed on the bottom roll on lower support axle and the tubular be sheathed on outside bottom roll wipes dry sponge, the literal Structure deformation of non-write of the dry sponge of described erasing and blackboard cloth, the axial length of the dry sponge of described erasing is greater than the width of blackboard cloth.Except can adopting the dry sponge of erasing, can also select dry cloth etc., same needs is regularly changed it.
In the healthy blackboard of above-mentioned one, described drive mechanism comprises the sprocket wheel one be sheathed in rotating shaft and the sprocket wheel two be sheathed on lower rotary shaft, and described sprocket wheel one is in transmission connection by driving-chain with sprocket wheel two.
In the healthy blackboard of above-mentioned one, described drive mechanism comprises the drive one be sheathed in rotating shaft and the drive two be sheathed on lower rotary shaft, and described drive one is connected by belt transmission with drive two.
In the healthy blackboard of above-mentioned one, described lower rotary shaft is in transmission connection by the output shaft of shaft coupling and a motor.Adopt motor as drives structure, driven by motor lower rotary shaft rotates, under the drive of drive mechanism, and axis of rotation in drive, blackboard cloth is in tensioning state, and has friction between upper rotating shaft and lower rotary shaft, under the effect of frictional force, blackboard cloth around the movement.In the area that some economy comparatively fall behind, directly can fill handle on lower rotary shaft, turning handle can reach the object of rotating shaft.
In the healthy blackboard of above-mentioned one, the gripper shoe six that the middle part of described support is provided with gripper shoe five and is oppositely arranged with gripper shoe five, the shaft for tensioning blackboard cloth is equipped with between described gripper shoe five and gripper shoe six, described gripper shoe five has the guide groove one in front lower rear upper setting, described gripper shoe six has the guide groove two be arranged in parallel with guide groove one, the two ends of described shaft lay respectively at guide groove one with in guide groove two.
In normal state, the face of writing is positioned at dead ahead, and non-write is literal is positioned at rear, and teacher can write on the face of writing.After the face of writing being write full word, starter motor, driven by motor lower rotary shaft rotates, lower rotary shaft drives rotating shaft synchronous axial system under the effect of drive mechanism, thus drive the face of writing of blackboard cloth to move upward, the non-write of blackboard cloth is literal to be moved downward, until original non-write is literal become new face of writing completely till, stop motor.
At blackboard cloth in the process of motion, when the position of blackboard strap writing moves to erasing wet sponge place, the writing of blackboard cloth is wiped by erasing wet sponge, when being wiped free of position that wet sponge wiped and moving to the dry sponge place of erasing, wipe dry sponge wipe it further and blot the water be positioned on blackboard cloth, blackboard cloth is kept dry, is convenient to write.
Compared with prior art, this healthy blackboard has the following advantages:
Reasonable in design, the two sides circulating in blackboard cloth is write, and improves and writes efficiency; Without the need to writing being wiped with chalkboard eraser, time saving and energy saving; Owing to first adopting erasing wet sponge to operate, do not have chalk dust during erasing and produce, hygiene and health; By wiping dry sponge to the erasing of blackboard cloth secondary and dry process, being convenient to write in time, increasing work efficiency; Use motor drives, and automaticity is high.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment one that the utility model provides.
Fig. 2 is the A-A place sectional view of the embodiment one that the utility model provides.
Fig. 3 is the front view of the embodiment two that the utility model provides.
Fig. 4 is the B-B place sectional view of the embodiment two that the utility model provides.
In figure, 1, support; 21, upper rotating shaft; 22, lower rotary shaft; 23, shaft; 3, blackboard cloth; 31, to write face; 32, non-write is literal; 4, base plate; 41, the first connecting portion; 42, the second connecting portion; 43, the 3rd connecting portion; 44, the 4th connecting portion; 51, gripper shoe one; 52, gripper shoe two; 53, gripper shoe three; 54, gripper shoe four; 55, gripper shoe five; 551, guide groove one; 56, gripper shoe six; 61, upper back shaft; 62, upper cylinder; 63, wet sponge is wiped; 71, lower support axle; 72, bottom roll; 73, dry sponge is wiped; 81, sprocket wheel one; 82, sprocket wheel two; 83, driving-chain.
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.
Embodiment one
Healthy blackboard as shown in Figure 1, comprise support 1, be located at the upper rotating shaft 21 on support 1, the lower rotary shaft 22 be arranged in parallel with upper rotating shaft 21 and ringwise blackboard cloth 3, blackboard cloth 3 is set between rotating shaft 21 and lower rotary shaft 22, as shown in Figure 2, it is face of writing 31 for writing that blackboard cloth 3 is positioned at rotating shaft 21 and the front side of lower rotary shaft 22, it is non-write literal 32 that blackboard cloth 3 is positioned at rotating shaft 21 with the rear side of lower rotary shaft 22, the drive mechanism making rotating shaft 21 and lower rotary shaft 22 synchronous axial system is provided with before upper rotating shaft 21 and lower rotary shaft 22, support 1 is provided with the base plate 4 be arranged in parallel with the face of writing 31 between the face of writing 31 and non-write literal 32, as shown in Figure 2, base plate 4 is 1 ~ 2mm with the distance in face 31 of writing, support 1 is provided with the erase unit for word on erasing blackboard cloth 3.
As shown in Figure 1, the gripper shoe 2 52 that the top of support 1 is provided with gripper shoe 1 and is oppositely arranged with gripper shoe 1, upper rotating shaft 21 is arranged between gripper shoe 1 and gripper shoe 2 52 by bearing, the gripper shoe 4 54 that the bottom of support 1 is provided with gripper shoe 3 53 and is oppositely arranged with gripper shoe 3 53, lower rotary shaft 22 is arranged between gripper shoe 3 53 and gripper shoe 4 54 by bearing, the corner of base plate 4 is respectively equipped with connecting portion, first connecting portion 41 and gripper shoe 1 clamping, second connecting portion 42 and gripper shoe 2 52 clamping, 3rd connecting portion 43 and gripper shoe 3 53 clamping, 4th connecting portion 44 and gripper shoe 4 54 clamping.
As shown in Figure 2, erase unit comprise be located at support 1 top the upper back shaft 61 be arranged in parallel with upper rotating shaft 21, be sheathed on the upper cylinder 62 on upper back shaft 61 and the tubular be sheathed on outside upper cylinder 62 wipes wet sponge 63, literal 32 Structure deformation of non-write of erasing wet sponge 63 and blackboard cloth 3, the axial length of erasing wet sponge 63 is greater than the width of blackboard cloth 3.This erase unit, except can adopting erasing wet sponge 63, can also select wet cloth, wet tissue etc., because erasing wet sponge 63 is for erasing also adsorption of dust, is ensure erasing effect, needs regularly to change wiping wet sponge 63.
As shown in Figure 2, erase unit also comprise be located at support 1 bottom the lower support axle 71 be arranged in parallel with lower rotary shaft 22, be sheathed on bottom roll 72 on lower support axle 71 and the tubular be sheathed on outside bottom roll 72 wipes dry sponge 73, wipe literal 32 Structure deformation of non-write of dry sponge 73 and blackboard cloth 3, the axial length wiping dry sponge 73 is greater than the width of blackboard cloth 3.Except can adopting the dry sponge 73 of erasing, can also select dry cloth etc., same needs is regularly changed it.
In the present embodiment, as shown in Figure 1, drive mechanism comprises the sprocket wheel 1 be sheathed in rotating shaft 21 and the sprocket wheel 2 82 be sheathed on lower rotary shaft 22, and sprocket wheel 1 and sprocket wheel 2 82 are in transmission connection by driving-chain 83.Lower rotary shaft 22 is in transmission connection by the output shaft of shaft coupling and a motor.Adopt motor as drives structure, driven by motor lower rotary shaft 22 rotates, under the drive of drive mechanism, in drive, rotating shaft 21 is rotated, and blackboard cloth 3 is in tensioning state, and has friction between upper rotating shaft 21 and lower rotary shaft 22, under the effect of frictional force, blackboard cloth 3 around the movement.In the area that some economy comparatively fall behind, directly can fill handle on lower rotary shaft 22, turning handle can reach the object of rotating shaft.
In normal state, face 31 of writing is positioned at dead ahead, and non-write literal 32 is positioned at rear, and teacher can write on the face of writing 31.After full word is write in the face of writing 31, starter motor, driven by motor lower rotary shaft 22 rotates, lower rotary shaft 22 drives rotating shaft 21 synchronous axial system under the effect of drive mechanism, thus drive the face of writing 31 of blackboard cloth 3 to move upward, the non-write literal 32 of blackboard cloth 3 moves downward, and till original non-write literal 32 becomes new face of writing 31 completely, stops motor.
At blackboard cloth 3 in the process of motion, when the position of blackboard cloth 3 with writing moves to erasing wet sponge 63 place, the writing of blackboard cloth 3 is wiped by erasing wet sponge 63, when being wiped free of position that wet sponge 63 wiped and moving to dry sponge 73 place of erasing, wipe dry sponge 73 wipe it further and blot the water be positioned on blackboard cloth 3, blackboard cloth 3 is kept dry, is convenient to write.
Embodiment two
The structural principle of the present embodiment is substantially identical with the structural principle of embodiment one, different places is, as shown in Figure 3, the gripper shoe 6 56 that the middle part of support 1 is provided with gripper shoe 5 55 and is oppositely arranged with gripper shoe 5 55, the shaft 23 for tensioning blackboard cloth 3 is equipped with between gripper shoe 5 55 and gripper shoe 6 56, as shown in Figure 4, gripper shoe 5 55 has the guide groove 1 in front lower rear upper setting, gripper shoe 6 56 has the guide groove two be arranged in parallel with guide groove 1, the two ends of shaft 23 lay respectively at guide groove 1 with in guide groove two.
Embodiment three
The structural principle of the present embodiment is substantially identical with the structural principle of embodiment two with embodiment one, different places is, drive mechanism comprises the drive one be sheathed in rotating shaft 21 and the drive two be sheathed on lower rotary shaft 22, and drive one is connected by belt transmission with drive two.
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 (8)
1. a healthy blackboard, comprise support (1), be located at the upper rotating shaft (21) on support (1), the lower rotary shaft (22) be arranged in parallel with upper rotating shaft (21) and ringwise blackboard cloth (3), described blackboard cloth (3) is set between rotating shaft (21) and lower rotary shaft (22), the front side that blackboard cloth (3) is positioned at rotating shaft (21) and lower rotary shaft (22) is the face of writing (31) for writing, it is non-write literal (32) that blackboard cloth (3) is positioned at rotating shaft (21) with the rear side of lower rotary shaft (22), it is characterized in that, the drive mechanism making rotating shaft (21) and lower rotary shaft (22) synchronous axial system is provided with before described upper rotating shaft (21) and lower rotary shaft (22), described support (1) is provided with the base plate (4) be arranged in parallel with the face of writing (31) between the face of writing that is positioned at (31) and non-write literal (32), described base plate (4) is 1 ~ 2mm with the distance in face (31) of writing, described support (1) is provided with the erase unit for the upper word of erasing blackboard cloth (3).
2. the healthy blackboard of one according to claim 1, it is characterized in that, the gripper shoe two (52) that the top of described support (1) is provided with gripper shoe one (51) and is oppositely arranged with gripper shoe one (51), upper rotating shaft (21) is arranged between gripper shoe one (51) and gripper shoe two (52) by bearing, the gripper shoe four (54) that the bottom of described support (1) is provided with gripper shoe three (53) and is oppositely arranged with gripper shoe three (53), lower rotary shaft (22) is arranged between gripper shoe three (53) and gripper shoe four (54) by bearing, the corner of above-mentioned base plate (4) is respectively equipped with connecting portion, first connecting portion (41) and gripper shoe one (51) clamping, second connecting portion (42) and gripper shoe two (52) clamping, 3rd connecting portion (43) and gripper shoe three (53) clamping, 4th connecting portion (44) and gripper shoe four (54) clamping.
3. the healthy blackboard of one according to claim 1, it is characterized in that, described erase unit comprises the upper back shaft (61) be arranged in parallel with upper rotating shaft (21) being located at support (1) top, the tubular being sheathed on the upper cylinder (62) on upper back shaft (61) and being sheathed on upper cylinder (62) outside wipes wet sponge (63), non-write literal (32) Structure deformation of described erasing wet sponge (63) and blackboard cloth (3), the axial length of described erasing wet sponge (63) is greater than the width of blackboard cloth (3).
4. the healthy blackboard of one according to claim 3, it is characterized in that, described erase unit also comprises the lower support axle (71) be arranged in parallel with lower rotary shaft (22) being located at support (1) bottom, the tubular being sheathed on the bottom roll (72) on lower support axle (71) and being sheathed on bottom roll (72) outside wipes dry sponge (73), non-write literal (32) Structure deformation of the dry sponge of described erasing (73) and blackboard cloth (3), the axial length of the dry sponge of described erasing (73) is greater than the width of blackboard cloth (3).
5. the healthy blackboard of one according to claim 1, it is characterized in that, described drive mechanism comprises the sprocket wheel one (81) be sheathed in rotating shaft (21) and the sprocket wheel two (82) be sheathed on lower rotary shaft (22), and described sprocket wheel one (81) is in transmission connection by driving-chain (83) with sprocket wheel two (82).
6. the healthy blackboard of one according to claim 1, it is characterized in that, described drive mechanism comprises the drive one be sheathed in rotating shaft (21) and the drive two be sheathed on lower rotary shaft (22), and described drive one is connected by belt transmission with drive two.
7. the healthy blackboard of one according to claim 1, is characterized in that, described lower rotary shaft (22) is in transmission connection by the output shaft of shaft coupling and a motor.
8. the healthy blackboard of one according to claim 1, it is characterized in that, the gripper shoe six (56) that the middle part of described support (1) is provided with gripper shoe five (55) and is oppositely arranged with gripper shoe five (55), the shaft (23) for tensioning blackboard cloth (3) is equipped with between described gripper shoe five (55) and gripper shoe six (56), described gripper shoe five (55) has the guide groove one (551) in front lower rear upper setting, described gripper shoe six (56) has the guide groove two be arranged in parallel with guide groove one (551), the two ends of described shaft (23) lay respectively at guide groove one (551) with in guide groove two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564608.7U CN204870216U (en) | 2015-07-31 | 2015-07-31 | Healthy blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564608.7U CN204870216U (en) | 2015-07-31 | 2015-07-31 | Healthy blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204870216U true CN204870216U (en) | 2015-12-16 |
Family
ID=54814635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564608.7U Expired - Fee Related CN204870216U (en) | 2015-07-31 | 2015-07-31 | Healthy blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204870216U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415534A (en) * | 2016-08-13 | 2017-12-01 | 仪陇铭崧科创中心 | Environment protection-type is rotational automatic to wipe word blackboard |
| CN110696528A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Teaching board for high school teaching |
| CN111361332A (en) * | 2020-03-03 | 2020-07-03 | 浙江理工大学 | Rolling type dry-wet dual-purpose self-erasing blackboard device |
-
2015
- 2015-07-31 CN CN201520564608.7U patent/CN204870216U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415534A (en) * | 2016-08-13 | 2017-12-01 | 仪陇铭崧科创中心 | Environment protection-type is rotational automatic to wipe word blackboard |
| CN110696528A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Teaching board for high school teaching |
| CN111361332A (en) * | 2020-03-03 | 2020-07-03 | 浙江理工大学 | Rolling type dry-wet dual-purpose self-erasing blackboard device |
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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: 20151216 Termination date: 20170731 |