CN2106732U - Electric dust-absorbing blackboard eraser - Google Patents
Electric dust-absorbing blackboard eraser Download PDFInfo
- Publication number
- CN2106732U CN2106732U CN 91209667 CN91209667U CN2106732U CN 2106732 U CN2106732 U CN 2106732U CN 91209667 CN91209667 CN 91209667 CN 91209667 U CN91209667 U CN 91209667U CN 2106732 U CN2106732 U CN 2106732U
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- CN
- China
- Prior art keywords
- motor
- suction nozzle
- wiping
- blackboard eraser
- electric dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The utility model relates to an electric dust-absorbing eraser for places such as blackboards, furniture, carpets, clothing, walls, glass, windows, etc., particularly an electric dust-absorbing blackboard eraser which is composed of an erasing and absorbing head, a motor, wires, a switch, a casing, a front cover, a rear cover, a filter screen, a filter screen frame, etc., wherein, the erasing and absorbing head divides into a soft and a hard kinds. The utility model is characterized in that the elimination of blackboard writings and the absorption of chalk dust are combined as one integration to reduce the labor burden of teachers and students, eliminate pollution from chalk dust to teaching environment and effectively recover the raw materials of chalks. The utility model has the advantages of small size, light weight, little power consumption, extensive use, convenient installation, convenient maintenance and convenient use, which is an ideal erasing and absorbing device.
Description
The utility model relates to a kind of electric dust absorption wiping that blackboard, furniture, carpet, clothing, wall, glass, show window etc. are located that is used for, and particularly a kind of electric dust absorption blackboard eraser belongs to the brush class.
At present, the teaching blackboard eraser, be still by plank and add the blackboard eraser that felt or flannelette are made, though this blackboard eraser can be wiped the chalk writing on the blackboard, just powerless to the problem that chalk dust flies upward everywhere, chalk dust not only pollutes the classroom air, influence the teaching environment health, bring inconvenience to teachers and students, but also damage the healthy of numerous teachers and students, waste chalk raw material.In order to address these problems, people have released many designs, as: " dust-free chalk ", " electronics blackboard of displaying ", " dust-absorbing blackboard " or the like, but these structures that have are too complicated, cost is too high, installs and uses inconvenience, is difficult to promote come, what have then is that to fly upward degree not enough because reduce chalk dust, can't eradicate flying upward of chalk dust and is not caused attention.
The purpose of this utility model is exactly a kind of can the erasing the board that provides at the deficiency of above-mentioned existence, can absorb chalk dust again, electric dust absorption blackboard eraser simple in structure, that volume is little, cost is low, easy to use.
The utility model is achieved in that
The utility model is formed by wiping suction nozzle, motor, lead, switch, shell, protecgulum, bonnet, filter screen, screen holder etc.Wiping the suction nozzle front portion is the cross of the porose trough of belt in center, the rear portion is two by the gusset coaxial cylindrical sleeve that is nested that links to each other, at it fan leaf is arranged above the cylindrical column sleeve, in wiping the suction nozzle groove, be plugged with the plane rough felt, wiping suction nozzle and machine shaft links together by retaining ring for shaft shoulder and motor shaft sleeve, motor shaft sleeve be enclosed within on the machine shaft and and machine shaft be one with the adhesive adhesion, it is "T"-shaped that shell is, be divided into left and right sides two halves, top is the garden tube, in establish the dust guide plate, at its front end motor is housed, motor is fixing by the gusset supporting that is threaded onto the protecgulum on the front end, and mesh and the long filter screen that is attached on the mesh are arranged above its rear portion, head is equipped with screen holder and attached thereon garden filter screen in its back-end, and by the bonnet that has side opening its rear end is sealed.Wiping suction nozzle has two kinds of soft or hards, and the relative motor shaft sleeve of soft wiping suction nozzle axially can displacement, and is with spring on motor shaft sleeve, and hard suction nozzle then is fixed in one with motor shaft sleeve, can not relative displacement.Also be provided with the motor dust cover on the motor.It is varying speed switch that motor can adopt variable speed electric motors, particularly switch correspondingly.And handle of the present utility model can separate with shell.
The utility model has the advantages that: it will wipe (1) to inhale and be incorporated into one, both alleviate teachers and students' work burden, eliminate dust again to the pollution of teaching environment and to the infringement of human body, and can also regain the chalk raw material; (2) the utility model is of many uses, promptly can be used to erase the board, also can be used for the dust wiping suction that furniture, carpet, clothing, wall, glass, show window etc. are located; (3) volume is little, in light weight, simple in structure, cost is low, little power consumption, and installation and maintenance are used all very convenient.
Description of drawings is as follows:
Accompanying drawing 1 is a front view of the present utility model;
Accompanying drawing 2 is a side view of the present utility model;
Wherein: (1) is shell; (2) for wiping suction nozzle; (3) be felt rug; (4) be protecgulum; (5) be the fan leaf; (6) be motor shaft sleeve; (7) be retaining ring for shaft shoulder; (8) be spring; (9) be screw 1; (10) be motor; (11) be the motor dust cover; (12) be long filter screen; (13) be screen holder; (14) be bonnet; (15) be the garden filter screen; (16) be screw 2; (17) be lead; (18) be switch; (19) be handle; (20) be the dust guide plate; (20) be storeroom.
Below in conjunction with accompanying drawing embodiment of the present utility model is done a detailed description:
With soft wiping suction nozzle electric dust absorption blackboard eraser is example.As shown in Figure 1, the utility model is formed by wiping suction nozzle (2), motor (10), lead (17), switch (18), shell (1), protecgulum (4), bonnet (14), filter screen (12), (15), screen holder (13) etc.Wiping suction nozzle (2) front portion is the cross of the porose trough of belt in center, the rear portion is two by the gusset coaxial cylindrical sleeve that is nested that links to each other, there are 6 fan leaves (5) to play suction wind and stable cross recessed effect above the cylindrical column sleeve at it, in cross recess, tightly be plugged with felt bar (3), garden column sleeve links together by retaining ring for shaft shoulder (7) and motor shaft sleeve (6) front end in it, soft wiping suction nozzle (2) can move axially 4mm on motor shaft sleeve, also be with spring (8) in the motor shaft sleeve rear end, in order to keep soft wiping suction nozzle axial elasticity location, motor shaft sleeve is enclosed within on the machine shaft, and and machine shaft be sticked together with adhesive, shell (1) is "T"-shaped, form by left and right sides two halves fastening, fastening with screw 2 (16), its top is the garden tube, in establish dust guide plate (20), front end at cylinder is equipped with motor (10), motor is to be fastened on the protecgulum by the gusset supporting that is threaded onto the protecgulum (4) on the front end and with screw 1 (9), dust cover (11) also is housed on motor to be prevented in the dust intrusion motor, mesh and the long filter screen (12) that is attached on the mesh are arranged above its rear portion, head is equipped with screen holder (13) and attached thereon garden filter screen (15) in its back-end, and by the bonnet that has side opening (14) its rear end is sealed.The bottom of shell is a handle, in establish the switch (18) that links to each other with motor by lead (17), it is varying speed switch that motor can adopt variable speed electric motors, particularly switch correspondingly.During use, it is on the 220V power supply jack that plug is inserted, hold handle (19), and press varying speed switch (18) with forefinger, motor (10) drives soft wiping suction nozzle (2) rotation, after treating that the motor rotation is normal, examination makes the rotation of felt rug (3) Elastic Contact blackboard, firmly not too big, pressure increases gradually, till cleaning chalk writing, by in the dust and air suction cylinder mixed in together wiped, through motor, the dust guide plate flows into the round filter screen (15) of the long filter screen (12) of upper back and rearward end and Chalk-dust filtering falls in the storeroom, and the air of cleaning is discharged to outside the body through filter screen (12) (15).Storeroom can be stored the dust of 20 above chalks, uses on class in enough 4 hours.After dust storage is full, bonnet (14) is rotated counterclockwise and pulls down it; and take out screen holder (13) and pour out dust in water; clean after the cleaning; again install; dallied 1～2 minute; continue to use after drying up filter screen; the springing stroke of soft wiping suction nozzle (5) has only 4mm, and as exerting oneself accidentally when excessive, then soft wiping suction nozzle (2) enters in the protecgulum (4) automatically; the rigid contact blackboard in shell left side of protecgulum this moment (4); soft wiping suction nozzle continues rotation in protecgulum (4), protect motor not decrease burning because of the stall overload with this, in wiping the suction process; as find should stop when suction wind is not smooth to wipe and inhale, close switch (19).Hold handle, positional jitter so that dust enters the storeroom left side, guarantees that suction wind is good several times to make protecgulum (4) be in vertically downward.
The utility model is inexpensive, small and exquisite, little power consumption, easy to use, both be applicable to that school erased the board, being applicable to the dust that wipings suction sheet, bed clothes, clothes, furniture, carpet, wall, glass, show window, sales counters etc. such as family, hotel, shop are located to deposit again, is a kind of more satisfactory Rubbing and sucking unit.
Claims (5)
1, a kind of electric dust absorption blackboard eraser, by wiping suction nozzle, motor, lead, switch, shell, protecgulum, bonnet, filter screen, compositions such as screen holder, it is characterized in that: wiping the suction nozzle front portion is the cross of the porose trough of belt in center, the rear portion is two by the gusset coaxial cylindrical sleeve that is nested that links to each other, at it fan leaf is arranged above the cylindrical column sleeve, in wiping the suction nozzle groove, be plugged with the plane rough felt, wiping suction nozzle and machine shaft links together by retaining ring for shaft shoulder and motor shaft sleeve, motor shaft sleeve be enclosed within on the machine shaft and and machine shaft be one with the adhesive adhesion, it is "T"-shaped that shell is, be divided into left and right sides two halves, top is the garden tube, in establish the dust guide plate, at its front end motor is housed, motor is fixing by the gusset supporting that is threaded onto the protecgulum on the front end, and mesh and the long filter screen that is attached on the mesh are arranged above its rear portion, head is equipped with screen holder and attached thereon garden filter screen in its back-end, and by the bonnet that has side opening its rear end is sealed.
2, electric dust absorption blackboard eraser according to claim 1, it is characterized in that: wiping suction nozzle has two kinds of soft or hards, and the relative motor shaft sleeve of soft wiping suction nozzle axially can displacement, is with spring on the motor shaft sleeve, hard suction nozzle then is fixed in one with motor shaft sleeve, can not relative displacement.
3, electric dust absorption blackboard eraser according to claim 1 is characterized in that: also be provided with the motor dust cover on the motor.
4, electric dust absorption blackboard eraser according to claim 1 is characterized in that: motor can adopt variable speed electric motors, particularly, and switch correspondingly is a varying speed switch.
5, electric dust absorption blackboard eraser according to claim 1 is characterized in that: handle can separate with shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91209667 CN2106732U (en) | 1991-06-06 | 1991-06-06 | Electric dust-absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91209667 CN2106732U (en) | 1991-06-06 | 1991-06-06 | Electric dust-absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2106732U true CN2106732U (en) | 1992-06-10 |
Family
ID=4918586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91209667 Pending CN2106732U (en) | 1991-06-06 | 1991-06-06 | Electric dust-absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2106732U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805826A (en) * | 2017-11-20 | 2019-05-28 | 追觅科技（天津）有限公司 | Main body of dust collector and hand held cleaner |
| CN112890664A (en) * | 2021-01-15 | 2021-06-04 | 项红梅 | Vehicle-mounted dust collector |
-
1991
- 1991-06-06 CN CN 91209667 patent/CN2106732U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109805826A (en) * | 2017-11-20 | 2019-05-28 | 追觅科技（天津）有限公司 | Main body of dust collector and hand held cleaner |
| CN112890664A (en) * | 2021-01-15 | 2021-06-04 | 项红梅 | Vehicle-mounted dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |