CN2314949Y - Automatic erasing dust-free black board - Google Patents

Automatic erasing dust-free black board Download PDF

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Publication number
CN2314949Y
CN2314949Y CN 97244696 CN97244696U CN2314949Y CN 2314949 Y CN2314949 Y CN 2314949Y CN 97244696 CN97244696 CN 97244696 CN 97244696 U CN97244696 U CN 97244696U CN 2314949 Y CN2314949 Y CN 2314949Y
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China
Prior art keywords
blackboard
eraser
assembly
wheel
sliding rail
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Expired - Fee Related
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CN 97244696
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Chinese (zh)
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王毅
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Individual
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Individual
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Priority to CN 97244696 priority Critical patent/CN2314949Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an automatic erasing dustless blackboard, relating to writing boards. The utility model is characterized in that an upper side and a lower side of the utility model are provided with sliding rails. An eraser is composed of a supporting wheel, an assembly of a driving wheel, an assembly of a board erasing device, a transmission belt, a bottom board, a chalk dust box and a cover cap. The rotation of the driving wheel is passed to the board erasing device through the transmission belt, a plurality of disk-shaped brushes are driven to rotate finally so that the blackboard is erased. Only the board erasing device arranged on the blackboard is pushed by a hand when the utility model is used, and the blackboard is automatically and cleanly erased. Environment is can not be polluted because chalk dust is sealed at the inner part of the board erasing device and is finally fallen into the dust box.

Description

Automatically wipe dust-free blackboard
The utility model relates to Write, particularly relates to a kind of clipboard that has eraser.
Up to now, most of clipboards and eraser all separate, and in the school or society go up a large amount of blackboards that use, the work of wiping all is that mode is carried out by hand, both loaded down with trivial details bothersome, because of waving, dust influences the healthy of environmental sanitation and people again, though there is dust-free chalk to come out in recent years, but it is often undesirable to write effect, and wiping of blackboard yet will be carried out by hand.So basically, the behindhand type and the dust pollution question that remove of blackboard eraser really do not solved.
The purpose of this utility model provides a kind of blackboard that has automatic eraser, can enough very simple modes makes it to wipe automatically totally after finishing writing, and makes dust Control in the dust box, no longer environment is polluted.
General thought of the present utility model is to establish sliding rail in both sides up and down at blackboard, and a base plate is fixed on the blackboard by support roller, makes its move left and right flexibly.Be installed with a plurality of rotating hairbrush wiping board devices side by side on base plate, at the top driving wheel be housed, the rotation of driving wheel will drive all hairbrush wiping board devices by certain kind of drive and rotate, and blackboard is wiped.
Structure of the present utility model as depicted in figs. 1 and 2.
It can be divided into two major parts on the whole.The one, blackboard, the 2nd, eraser.Blackboard partly is made of blackboard (3), blackboard support (7) and sliding rail (8).Blackboard support (7) is wooden, be equipped with on its upper and lower edge strip the symmetry
Figure Y9724469600031
The shape slideway.
Eraser is a rectangular box, as shown in Figure 2 from profile.It is made up of support roller (17), driving wheel sub-assembly, wiping board device sub-assembly and driving belt (20), frame (14), base plate (15), cover cap (16) and dust box (19), and wherein shank is support roller (17), driving wheel sub-assembly and wiping board device sub-assembly.
The groove that matches with the sliding rail edge is arranged in the middle of the support roller (17), support roller (17) has two groups totally four, lay respectively at the track that slides up and down of blackboard, its effect is that eraser is connected together with blackboard, make the eraser can be, limit wiper simultaneously and be subjected to displacement leaving on the direction of blackboard very effortlessly along the slideway side-to-side movement.The driving wheel sub-assembly is made of driving wheel (1), drive wheel bearing watt seat assembly (9), drive pulley (10) as shown in Figure 3.Wiping board device sub-assembly is made up of hairbrush (4), brush wheel (5), brush wheel axle (13), spring (6), wiping board device bearing liner seat assembly (11) and wiping board device belt pulley (12).When driving wheel (1) rotate right, driving drive pulley (10) rotates synchronously, driving wiping board device belt pulley (12) by driving belt (20) then rotates, drive brush wheel (5) by brush wheel axle (13) again and rotate, the hairbrush that install the bottom of brush wheel (5) carries out erasing to blackboard and removes in rotation process.Brush wheel axle (13) adopts the splined axle, under the promotion of spring (6), can guarantee that hairbrush is with the tight contact between the blackboard.
The rotating mechanism of driving wheel (1) is performed such: driving wheel (1) adopts toothed sprocket wheel, lays a chain that matches with sprocket wheel (2) in the middle of the sliding way of blackboard.When eraser integral body along blackboard to the left or to the right during translation, driving wheel will be rotated by the chain resistance.Like this, as long as the user promotes eraser, make it move on to right-hand member from left end, perhaps move on to left end from right-hand member, whole blackboard panel just can be wiped free of totally.The moving situation of brush wheel in erase process (5) is to rotate under the drive of driving wheel (1) on the one hand, do along the translation on blackboard plane with eraser on the other hand, thereby can guarantee to wipe thoroughly and clean.
Wiping board device sub-assembly in the eraser has a plurality of, side by side vertical setting of types.Connected by driving belt between the belt pulley (12) of adjacent wiping board device sub-assembly, when driving wheel (1) rotated, all wiping board device belt pulleys (12) all will rotate simultaneously, and rotation direction is identical.The number of wiping board device assembly is according to the decision of the size of blackboard (3) and brush wheel (5), and not stay the gap be principle can cover blackboard when the vertical setting of types.
The bearing liner seat assembly (18) of support roller (17) and the bearing liner seat assembly (9) of driving wheel (1) are fixed on the eraser frame (14), and all wiping board device sub-assemblies all are fixed on the base plate (15) of eraser.Base plate (15) and frame (14) in one plane have hinge (22) to be connected between them, base plate is equipped with handle on (15).When needs Brusher being able to change bristles (4) or carry out other whens maintenance more, the belt on the drive pulley (10) is unloaded, arrest handle and outwards gently draw, can base plate be rotated 90 as opening the door and spend, thereby can carry out maintenance operation easily.
Hairbrush (4) is made of chemical fibre brush and brush board, and the outer surface of brush board has a plurality of convex bars, and there is Baltimore groove on the surface of corresponding with it is brush wheel (5), and both are combined together during use.Use a period of time more can take off hairbrush (4) at an easy rate during Brusher being able to change bristles.This inserted binding energy guarantees the synchronous rotation of hairbrush (4) and brush wheel (5) when brush wheel (5) rotates.
Outermost at eraser has cover cap (16), is fixed together with eraser frame (14) with screw.Cover cap (16) should be adjacent to the gap of blackboard and blackboard as far as possible and seal with sealing strip, and dust is enclosed within the cover cap, and falls at last in the dust box (19) that is contained in frame (14) bottom.This sealing strip is identical with the sealing strip that aluminum alloy doors and windows use.Dust box and frame (14) adopt link joint, can regularly unload and remove.
Advantage applies of the present utility model is in following several respects:
1. change traditional mode that erases the board by hand into automatic erase mode, as long as the eraser that is contained on the blackboard with hand push can clean off a blackboard, alleviated labour intensity once in the time of need wiping, improved efficient.
2. whole erase process is to carry out in the space of sealing, and dust can not expose, and is beneficial to environment and healthy.
3. because the motion of the utility model hairbrush is to rotate and the combination of translation, it is better to wipe effect.
4. the structure comparatively robust is simple, and all rotate partly and all adopt ball bearing, and is so the eraser motion is flexible, laborsaving, not fragile and break down.
Description of drawings:
Fig. 1 is the utility model side-looking structure chart.
Fig. 2 is that the utility model is faced structure chart.
Fig. 3 is a wiping board device sub-assembly side-looking structure chart.
Embodiment:
The structure and material explanation of embodiment can be referring to above-mentioned accompanying drawing.
Blackboard (3) is made with frosted glass.Blackboard support (7) adopts wooden, and sliding rail (8) is made with aluminium alloy.Blackboard is of a size of 3.5 meters * 1 meter, and the chain strip adoption of installing on the sliding rail disconnects into the bicycle chain of wire.Driving belt (20) adopts common V-belt.Support roller, driving wheel, drive pulley, brush wheel, wiping board device belt pulley are all made with aluminium alloy.Base plate (15) and frame (14) adopt the aluminium alloy manufacturing, and cover cap is made with iron sheet.
Present embodiment adopts 5 wiping board device sub-assemblies, and each cover width is 200mm, and 1 meter of total cover width is consistent with the blackboard width.In the wiping board device sub-assembly, brush wheel (5) diameter 198mm, hairbrush (4) adopts the chemical fibre hairbrush, and it is radial that the brush board raised line is the center, and wiping board device belt pulley adopts dual-slot structure, and the V-belt of groove width and groove depth and use is complementary.

Claims (8)

1, a kind of dust-free blackboard of wiping automatically, relate to blackboard and eraser, the both sides up and down that it is characterized in that blackboard (3) are provided with sliding rail (8), eraser is made of support roller (17), driving wheel sub-assembly, wiping board device sub-assembly, driving belt (20), base plate (15), dust box (19) and cover cap (16), and blackboard and eraser pass through support roller (17) in conjunction with as a whole.
2, blackboard according to claim 1 is characterized in that the sliding rail (8) of blackboard is laterally zygomorphic Qian shape, and there is the groove that can match with this rail flanges the centre of support roller (17).
3, blackboard according to claim 1 is characterized in that driving wheel (1) is toothed sprocket wheel, and it and the chain (2) that is loaded in the groove of sliding rail (8) match, and can roll along this chain.
4, blackboard according to claim 1, the brush wheel axle (13) that it is characterized in that wiping board device sub-assembly is the splined axle, the outer spring (6) that is equipped with of axle.
5, blackboard according to claim 1 is characterized in that there is Baltimore groove on the surface of brush wheel (5), and there is corresponding convex bar on the brush board surface of hairbrush (4), and both are embedded in together when operate as normal.
6, blackboard according to claim 1 is characterized in that sealing strip is equipped with at the bonding gap place of cover cap (16) and blackboard.
7, blackboard according to claim 1 is characterized in that there is blackboard support (7) back of blackboard (3), and sliding rail (8) is fixed on the last lower sid strip of blackboard support (7).
8, blackboard according to claim 1, it is characterized in that being equipped with on the eraser base plate (15) handle (21) and and frame (14) link with hinge (22).
CN 97244696 1997-10-31 1997-10-31 Automatic erasing dust-free black board Expired - Fee Related CN2314949Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97244696 CN2314949Y (en) 1997-10-31 1997-10-31 Automatic erasing dust-free black board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97244696 CN2314949Y (en) 1997-10-31 1997-10-31 Automatic erasing dust-free black board

Publications (1)

Publication Number Publication Date
CN2314949Y true CN2314949Y (en) 1999-04-21

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Application Number Title Priority Date Filing Date
CN 97244696 Expired - Fee Related CN2314949Y (en) 1997-10-31 1997-10-31 Automatic erasing dust-free black board

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CN (1) CN2314949Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108909294A (en) * 2018-06-26 2018-11-30 瑙f尝 A kind of ash-collecting blackboard eraser
CN108944195A (en) * 2018-06-26 2018-12-07 瑙f尝 A method of improving Classroom air quality
CN114771130A (en) * 2022-05-05 2022-07-22 威海海洋职业学院 Blackboard is used in teaching with automatically, clean function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108909294A (en) * 2018-06-26 2018-11-30 瑙f尝 A kind of ash-collecting blackboard eraser
CN108944195A (en) * 2018-06-26 2018-12-07 瑙f尝 A method of improving Classroom air quality
CN114771130A (en) * 2022-05-05 2022-07-22 威海海洋职业学院 Blackboard is used in teaching with automatically, clean function
CN114771130B (en) * 2022-05-05 2023-08-25 威海海洋职业学院 Blackboard with automatic wiping function for teaching

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C19 Lapse of patent right due to non-payment of the annual fee
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