CN205202537U - Teaching blackboard dust extraction - Google Patents
Teaching blackboard dust extraction Download PDFInfo
- Publication number
- CN205202537U CN205202537U CN201520985493.9U CN201520985493U CN205202537U CN 205202537 U CN205202537 U CN 205202537U CN 201520985493 U CN201520985493 U CN 201520985493U CN 205202537 U CN205202537 U CN 205202537U
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- flow
- blackboard
- wind
- horizontal
- oscillating vane
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Abstract
The utility model provides a teaching blackboard dust extraction belongs to teaching equipment technical field, and its structure includes blackboard plate body and blackboard frame, and the root edge of blackboard frame is provided with the ventilative net that holds in the palm, and ventilative below of holding in the palm the net is provided with by the preceding through -flow shell through -flow room that the closing cap at through -flow shell and both ends constitutes after with, the upper portion of through -flow room is provided with swing blading mechanism, the bottom of through -flow room is provided with the through -flow impeller, and the below of through -flow impeller is provided with the through -flow air outlet, and the through -flow air outlet is connected with through -flow wind -engaging spiral case, and the right side of horizontal wind -force auger delivery ware is provided with centrifugal air exhauster. The dust air that the fine face with the blackboard of this teaching blackboard dust extraction ability produced is collected and is collectd, so aspirating and collecting the dust air, the air that the messenger cleaned the in -process at the teaching blackboard obtains purifying, avoids dust pollution, avoids the personal of dust to suck, effectively guarantees the breathing safety of faculty and students to effectively improve the quality of teaching.
Description
Technical field
The utility model relates to teaching equipment technical field, specifically a kind of blackboard for education dust exhaust apparatus.
Background technology
General, in the teaching process of mathematics, teacher is many to give a lecture student with a lot of writing on the blackboard of chalk-writing and imparts knowledge to students on blackboard.But on the blackboard of limited areal, can not the too many blackboard writing font of disposable accommodation, so after often writing a full screen blackboard, after needing to carry out on-the-spot wiping to blackboard, more again write on blackboard.Reciprocating blackboard eraser both wiping blackboard chalk writings when erasing the board, in the process of motion, the dust of chalk writings is kicked up again, the dust kicked up constantly is rolled with air, is kicked up on front side of blackboard, this causes great dust pollution to blackboard-cleaning person, pollute classroom air and environment, to such an extent as to dust is sucked lung by Faculty and Students, bring the personal injury of Faculty and Students' respiratory system.
Summary of the invention
Technical assignment of the present utility model solves the deficiencies in the prior art, provides a kind of blackboard for education dust exhaust apparatus.
The technical solution of the utility model realizes in the following manner, this blackboard for education dust exhaust apparatus, and its structure comprises blackboard plate body and blackboard frame,
The root edge of blackboard frame is provided with ventilative holder net, and the below of ventilative holder net is provided with the through-flow room be made up of the capping at front through-flow shell and rear through-flow shell and two ends;
The top of through-flow room is provided with oscillating vane group mechanism;
The structure of oscillating vane group mechanism is: oscillating vane in horizontal direction equi-spaced apart be arranged on top, through-flow room, the blade center axle front end of oscillating vane is hinged on front through-flow shell, and the blade center shaft rear end of oscillating vane is hinged on rear through-flow shell; The bottom of oscillating vane is hinged on a horizontal pull bar respectively by hinge jointly, the right-hand member of pull bar is provided with end bearing, end bearing is arranged in rectangle sliding frame, the right side of rectangle sliding frame is fixedly installed rectangle sliding frame free bearing, and rectangle sliding frame free bearing to be arranged in horizontal slip groove and to be slidably connected with horizontal slip groove;
Rectangle sliding frame free bearing is hinged with crank, and the outer end of crank is hinged on the dish week of rotating disk; Rotating disk is driven by direction converter and rotates;
The bottom of through-flow room is provided with tangential impeller, and tangential impeller turning cylinder horizontal direction is arranged, and parallels with blackboard, and the two ends of tangential impeller turning cylinder are hinged in capping; Wherein right-hand member tangential impeller turning cylinder leans out capping and is connected with transfer case, and motor drives and connects transfer case; Transfer case drives closure converter;
The below of tangential impeller is provided with through-flow air outlet, and through-flow air outlet is connected with through-flow wind-engaging spiral case, and through-flow wind-engaging spiral case is connected with horizontal wind-force auger conveyor, and through-flow wind-engaging spiral case cavity is communicated with horizontal wind-force auger conveyor cavity;
Be provided with horizontally disposed screw shaft in the conveyer shell of horizontal wind-force auger conveyor, the axle body of screw shaft be provided with screw auger blade, the hand of spiral of screw auger blade to the right;
The right side of horizontal wind-force auger conveyor is provided with centrifugal exhaust fan, the screw shaft of horizontal wind-force auger conveyor and the coaxial setting of centrifugal impeller rotating shaft of centrifugal exhaust fan; The horizontal cavity of wind-force auger conveyor is communicated with the cavity of centrifugal exhaust fan;
Transfer case output driving shaft, driving shaft drives centrifugal exhaust fan running by pulley transmission mechanism;
The lower end of centrifugal exhaust fan is connected with dirt gas collecting pipe.
Oscillating vane adopts square oscillating vane, and its amplitude of oscillation direction adopts vacillates now to the left, now to the right.
The beneficial effect that the utility model is compared with prior art produced is:
This blackboard for education dust exhaust apparatus first utilizes oscillating vane group mechanism to wave air inducing, dirt gas is collected by recycling tangential impeller on blackboard length direction simultaneously, laterally collect through horizontal wind-force auger conveyor again, collect finally by centrifugal exhaust fan and send, the dirt gas containing chalk dust is avoided to float towards instructional space, well the dust air trapping that the plate face of blackboard produces can be collected, collected at suction dust air like this, air in blackboard for education wiping process is purified, avoid dust pollution, the person of dust is avoided to suck, the breathing safety of effective guarantee Faculty and Students, and effectively improve the quality of teaching.
This blackboard for education dust exhaust apparatus is reasonable in design, structure is simple, safe and reliable, easy to use, be easy to safeguard, have good value for applications.
Accompanying drawing explanation
Accompanying drawing 1 is main TV structure schematic diagram of the present utility model;
Accompanying drawing 2 is side-looking structural representations of the present utility model.
Mark in accompanying drawing represents respectively:
1, blackboard plate body, 2, blackboard frame, 3, root edge, 4, ventilative holder net,
5, front through-flow shell, 6, rear through-flow shell, 7, capping, 8, through-flow room,
9, oscillating vane group mechanism,
10, oscillating vane, 11, blade center axle, 12, hinge, 13, pull bar, 14, end bearing, 15, rectangle sliding frame, 16, rectangle sliding frame free bearing, 17, horizontal slip groove, 18, crank, 19, rotating disk, 20, direction converter,
21, tangential impeller, 22, tangential impeller turning cylinder, 23, transfer case, 24, motor,
25, through-flow air outlet, 26, through-flow wind-engaging spiral case, 27, horizontal wind-force auger conveyor,
28, conveyer shell, 29, screw shaft, 30, screw auger blade,
31, centrifugal exhaust fan, 32, centrifugal impeller rotating shaft,
33, driving shaft, 34, pulley transmission mechanism, 35, dirt gas collecting pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, blackboard for education dust exhaust apparatus of the present utility model is described in detail below.
As shown in drawings, blackboard for education dust exhaust apparatus of the present utility model, its structure comprises blackboard plate body 1 and blackboard frame 2,
The root edge 3 of blackboard frame 2 is provided with ventilative holder net 4, and the below of ventilative holder net 4 is provided with the through-flow room 8 be made up of the capping 7 at front through-flow shell 5 and rear through-flow shell 6 and two ends;
The top of through-flow room 8 is provided with oscillating vane group mechanism 9;
The structure of oscillating vane group mechanism 9 is: oscillating vane 10 in horizontal direction equi-spaced apart be arranged on top, through-flow room 8, blade center axle 11 front end of oscillating vane 10 is hinged on front through-flow shell 5, and the blade center shaft rear end of oscillating vane is hinged on rear through-flow shell 6; The bottom of oscillating vane 10 is hinged on a horizontal pull bar 13 respectively by hinge 12 jointly, the right-hand member of pull bar 13 is provided with end bearing 14, end bearing 14 is arranged in rectangle sliding frame 15, the right side of rectangle sliding frame 15 is fixedly installed rectangle sliding frame free bearing 16, and rectangle sliding frame free bearing 16 to be arranged in horizontal slip groove 17 and to be slidably connected with horizontal slip groove 17;
Rectangle sliding frame free bearing 16 is hinged with crank 18, and the outer end of crank 18 is hinged on the dish week of rotating disk 19; Rotating disk 19 drives rotation by direction converter 20;
The bottom of through-flow room 8 is provided with tangential impeller 21, and tangential impeller turning cylinder 22 horizontal direction is arranged, and parallels with blackboard, and the two ends of tangential impeller turning cylinder 22 are hinged in capping; Wherein right-hand member tangential impeller turning cylinder leans out capping and is connected with transfer case 23, and electronic 24 machines drive and connect transfer case 23; Transfer case 23 drives closure converter 20;
The below of tangential impeller 21 is provided with through-flow air outlet 25, and through-flow air outlet 25 is connected with through-flow wind-engaging spiral case 26, and through-flow wind-engaging spiral case 26 is connected with horizontal wind-force auger conveyor 27, and through-flow wind-engaging spiral case 26 cavity is communicated with horizontal wind-force auger conveyor 27 cavity;
Be provided with horizontally disposed screw shaft 29 in the conveyer shell 28 of horizontal wind-force auger conveyor 27, the axle body of screw shaft 29 be provided with screw auger blade 30, the hand of spiral of screw auger blade 30 to the right;
The right side of horizontal wind-force auger conveyor 27 is provided with centrifugal exhaust fan 31, the screw shaft 29 of horizontal wind-force auger conveyor 27 and the coaxial setting of centrifugal impeller rotating shaft 32 of centrifugal exhaust fan 31; The cavity of horizontal wind-force auger conveyor 27 is communicated with the cavity of centrifugal exhaust fan 31;
Transfer case 23 output driving shaft 33, driving shaft 33 drives centrifugal exhaust fan 31 to operate by pulley transmission mechanism 34;
The lower end of centrifugal exhaust fan 31 is connected with dirt gas collecting pipe 35.
Oscillating vane 10 adopts square oscillating vane, and its amplitude of oscillation direction adopts vacillates now to the left, now to the right.
Claims (2)
1. blackboard for education dust exhaust apparatus, is characterized in that comprising blackboard plate body and blackboard frame,
The root edge of blackboard frame is provided with ventilative holder net, and the below of ventilative holder net is provided with the through-flow room be made up of the capping at front through-flow shell and rear through-flow shell and two ends;
The top of through-flow room is provided with oscillating vane group mechanism;
The structure of oscillating vane group mechanism is: oscillating vane in horizontal direction equi-spaced apart be arranged on top, through-flow room, the blade center axle front end of oscillating vane is hinged on front through-flow shell, and the blade center shaft rear end of oscillating vane is hinged on rear through-flow shell; The bottom of oscillating vane is hinged on a horizontal pull bar respectively by hinge jointly, the right-hand member of pull bar is provided with end bearing, end bearing is arranged in rectangle sliding frame, the right side of rectangle sliding frame is fixedly installed rectangle sliding frame free bearing, and rectangle sliding frame free bearing to be arranged in horizontal slip groove and to be slidably connected with horizontal slip groove;
Rectangle sliding frame free bearing is hinged with crank, and the outer end of crank is hinged on the dish week of rotating disk; Rotating disk is driven by direction converter and rotates;
The bottom of through-flow room is provided with tangential impeller, and tangential impeller turning cylinder horizontal direction is arranged, and parallels with blackboard, and the two ends of tangential impeller turning cylinder are hinged in capping; Wherein right-hand member tangential impeller turning cylinder leans out capping and is connected with transfer case, and motor drives and connects transfer case; Transfer case drives closure converter;
The below of tangential impeller is provided with through-flow air outlet, and through-flow air outlet is connected with through-flow wind-engaging spiral case, and through-flow wind-engaging spiral case is connected with horizontal wind-force auger conveyor, and through-flow wind-engaging spiral case cavity is communicated with horizontal wind-force auger conveyor cavity;
Be provided with horizontally disposed screw shaft in the conveyer shell of horizontal wind-force auger conveyor, the axle body of screw shaft be provided with screw auger blade, the hand of spiral of screw auger blade to the right;
The right side of horizontal wind-force auger conveyor is provided with centrifugal exhaust fan, the screw shaft of horizontal wind-force auger conveyor and the coaxial setting of centrifugal impeller rotating shaft of centrifugal exhaust fan; The horizontal cavity of wind-force auger conveyor is communicated with the cavity of centrifugal exhaust fan;
Transfer case output driving shaft, driving shaft drives centrifugal exhaust fan running by pulley transmission mechanism;
The lower end of centrifugal exhaust fan is connected with dirt gas collecting pipe.
2. blackboard for education dust exhaust apparatus according to claim 1, is characterized in that: oscillating vane adopts square oscillating vane, and its amplitude of oscillation direction adopts vacillates now to the left, now to the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985493.9U CN205202537U (en) | 2015-12-02 | 2015-12-02 | Teaching blackboard dust extraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520985493.9U CN205202537U (en) | 2015-12-02 | 2015-12-02 | Teaching blackboard dust extraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205202537U true CN205202537U (en) | 2016-05-04 |
Family
ID=55840274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520985493.9U Expired - Fee Related CN205202537U (en) | 2015-12-02 | 2015-12-02 | Teaching blackboard dust extraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205202537U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107597784A (en) * | 2017-11-08 | 2018-01-19 | 高军 | A kind of building site dust processing equipment |
| CN107999429A (en) * | 2017-10-23 | 2018-05-08 | 蒙城县望槐信息科技有限责任公司 | A kind of computer surface high effect dust cleaner |
| CN109747299A (en) * | 2019-01-17 | 2019-05-14 | 潍坊护理职业学院 | A kind of board of education with dedusting function |
-
2015
- 2015-12-02 CN CN201520985493.9U patent/CN205202537U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999429A (en) * | 2017-10-23 | 2018-05-08 | 蒙城县望槐信息科技有限责任公司 | A kind of computer surface high effect dust cleaner |
| CN107597784A (en) * | 2017-11-08 | 2018-01-19 | 高军 | A kind of building site dust processing equipment |
| CN109747299A (en) * | 2019-01-17 | 2019-05-14 | 潍坊护理职业学院 | A kind of board of education with dedusting function |
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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: 20160504 Termination date: 20161202 |