CN208085332U - A kind of manual dust absorption blackboard eraser - Google Patents
A kind of manual dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN208085332U CN208085332U CN201820475272.0U CN201820475272U CN208085332U CN 208085332 U CN208085332 U CN 208085332U CN 201820475272 U CN201820475272 U CN 201820475272U CN 208085332 U CN208085332 U CN 208085332U
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- China
- Prior art keywords
- dust
- outer housing
- handle
- booster engine
- shaft
- 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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Abstract
The utility model is related to a kind of manual dust absorption blackboard erasers,Handle is set on outer housing,Impeller is set in outer housing,Outer housing lower part sets panel,Panel lays bristle on downside,Internal partition is set in outer housing,Internal partition sets dust hood,Outer housing symmetrically sets dust-collecting box,Dust-collecting box offers dust exhausting hole with outer housing junction,Handle opens up through-hole,Poke rod is hinged with through-hole,Poke rod left end sets arc-shaped rack,Poke rod right end sets pressure handle,Pressure handle is connect by compressed spring with handle lower wall,Booster engine is set inside handle,Booster engine sets geometrical clamp with arc-shaped rack,Bicycle freewheel is set in geometrical clamp,Driving wheel is set on bicycle freewheel,Driving wheel is driven with booster engine,Bicycle freewheel is engaged with arc-shaped rack,Shaft lower end is connect with impeller shaft,Shaft upper end sets bevel gear A,Bevel gear A is driven by the bevel gear B of booster engine with booster engine.The utility model advantageous effect：Speed-raising by booster engine to impeller can suck loss powder in dust-collecting box.
Description
Technical field
The utility model is related to teaching aid technical field more particularly to a kind of manual dust absorption blackboard erasers.
Background technology
Existing wiping blackboard structure is simple, will produce a large amount of dust in use, seriously polluted around blackboard
Air, be the important pollution sources for causing teachers and students' breathing problem；Although existing electric dust absorption blackboard eraser has certain suction
Dirt ability, but it is complicated, and need consumption electric energy that could realize dust-absorbing function, it is unfavorable for energy conservation and environmental protection.
Utility model content
Technical problem to be solved in the utility model is：A kind of manual dust absorption blackboard eraser is provided, solves existing blackboard
The problem of wiping simple in structure, dust pollution during use, and electric blackboard eraser consumes electric energy, being unfavorable for energy conservation and environmental protection.
The utility model be solve the problems, such as it is set forth above used by technical solution be：
A kind of manual dust absorption blackboard eraser, including outer housing 1, handle 2, impeller 3, panel 4, bristle 5, internal partition 6, dust hood
7, dust-collecting box 8, poke rod 9, arc-shaped rack 10, pressure handle 11, compressed spring 12, booster engine 13, geometrical clamp 14, bicycle freewheel
15, handle 2, shell are fixedly installed on outer housing 1 by driving wheel 16, fixed plate 17, shaft 18, bevel gear A19 and bevel gear B20
Impeller 3 is arranged in 1 internal rotating of body, and panel 4 is arranged in 1 lower horizontal of outer housing, and is uniformly arranged bristle 5 on 4 downside of panel, outside
Internal partition 6 is also set up inside shell 1, and the internal partition 6 is truncated cone-shaped internal partition, 6 middle part of internal partition is arranged dust hood 7, inhales
Dust hood 7 is located at 4 top of panel, and 1 both ends of outer housing are symmetrical arranged dust-collecting box 8, and dust-collecting box 8 is offered with 1 junction of outer housing
Dust exhausting hole 21,21 lower edge of dust exhausting hole is equal at 6 lowest edge of internal partition, and 2 middle part of handle opens up through-hole 22, poke rod up and down
9 middle parts and the madial wall of through-hole 22 are hinged, and arc-shaped rack 10 is arranged in 9 left end of poke rod, and pressure handle 11 is arranged in 9 right end of poke rod, and
Pressure handle 11 is connect by compressed spring 12 with 2 lower wall of handle, and booster engine 13, booster engine 13 and arc-shaped gear is arranged in 2 inside of handle
Geometrical clamp 14, and rotary setting bicycle freewheel 15 in geometrical clamp 14 are set between item 10, consolidated on 15 lateral wall of bicycle freewheel
Driving wheel 16, driving wheel 16 and 13 power transmission of booster engine are set surely, and bicycle freewheel 15 is engaged with arc-shaped rack 10, handle
Fixed plate 17 is horizontally disposed in 2,18 lower end of shaft is connect with 3 shaft of impeller, and bevel gear A19, and shaft is arranged in 18 upper end of shaft
18 are rotatably connected with fixed plate 17, the bevel gear B20 and 13 power transmission of booster engine that bevel gear A19 passes through 13 left end of booster engine.
Several pieces of flying wheels 23 are horizontally disposed in the shaft 18, convenient for maintaining the rotation of impeller longer time.
The dust hood 7 is truncated cone-shaped dust hood, convenient for chalk powder of the loss in outer housing is sucked dust-collecting box
It is interior.
The operation principle of the utility model：By manual pinching pressure handle, arc-shaped rack drives bicycle freewheel, due to voluntarily
Vehicle flywheel can keep single-direction transmission, and not influence the reversed return of arc-shaped rack, therefore bicycle freewheel passes through driving wheel and increasing
Fast machine transmission, booster engine substantially increase the rotating speed of impeller by bevel gear B, bevel gear A, so that it is generated certain air negative
Pressure, chalk powder of the loss in outer housing will suck in dust-collecting box.
The beneficial effects of the utility model are：1, easy to use, electric energy need not be consumed, and by booster engine to impeller
Speed-raising, can by loss powder suck dust-collecting box in, effectively prevent the pollution of environment.2, several pieces are horizontally disposed in shaft to be used to
Property wheel, convenient for maintain the impeller longer time rotation.3, dust hood is truncated cone-shaped dust hood, is convenient for loss in outer housing
Chalk powder sucks in dust-collecting box.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1- outer housings, 2- handles, 3- impellers, 4- panels, 5- bristles, 6- internal partitions, 7- dust hoods, 8- dust-collecting boxes,
9- poke rods, 10- arc-shaped racks, 11- pressure handles, 12- compressed springs, 13- booster engines, 14- geometrical clamps, 15- bicycle freewheels,
16- driving wheels, 17- fixed plates, 18- shafts, 19- bevel gear A, 20- bevel gear B, 21- dust exhausting hole, 22- through-holes, 23- inertia
Wheel.
Specific implementation mode
The embodiments of the present invention are further illustrated below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of manual dust absorption blackboard eraser described in present embodiment, including outer housing 1, handle 2, impeller
3, panel 4, bristle 5, internal partition 6, dust hood 7, dust-collecting box 8, poke rod 9, arc-shaped rack 10, pressure handle 11, compressed spring 12, increasing
Fast machine 13, geometrical clamp 14, bicycle freewheel 15, driving wheel 16, fixed plate 17, shaft 18, bevel gear A19 and bevel gear B20, outside
Handle 2 is fixedly installed on shell 1, impeller 3 is arranged in 1 internal rotating of outer housing, and panel 4, and panel is arranged in 1 lower horizontal of outer housing
It is uniformly arranged bristle 5 on 4 downsides, internal partition 6 is also set up inside outer housing 1, and the internal partition 6 is truncated cone-shaped internal partition,
Dust hood 7 is arranged in 6 middle part of internal partition, and dust hood 7 is located at 4 top of panel, and 1 both ends of outer housing are symmetrical arranged dust-collecting box 8, and dust
Box 8 offers dust exhausting hole 21,21 lower edge of dust exhausting hole and equal, handle 2 at 6 lowest edge of internal partition with 1 junction of outer housing
Middle part opens up through-hole 22 up and down, and 9 middle part of poke rod and the madial wall of through-hole 22 are hinged, and arc-shaped rack 10 is arranged in 9 left end of poke rod,
Pressure handle 11 is arranged in 9 right end of poke rod, and pressure handle 11 is connect by compressed spring 12 with 2 lower wall of handle, and 2 inside setting of handle increases
Geometrical clamp 14, and rotary setting bicycle freewheel 15 in geometrical clamp 14 is arranged in fast machine 13 between booster engine 13 and arc-shaped rack 10,
Driving wheel 16, driving wheel 16 and 13 power transmission of booster engine, and bicycle freewheel are fixedly installed on 15 lateral wall of bicycle freewheel
15 engage with arc-shaped rack 10, fixed plate 17 are horizontally disposed in handle 2,18 lower end of shaft is connect with 3 shaft of impeller, in shaft 18
End setting bevel gear A19, and shaft 18 is rotatably connected with fixed plate 17, the bevel gear that bevel gear A19 passes through 13 left end of booster engine
B20 and 13 power transmission of booster engine.
4 pieces of flying wheels 23 are horizontally disposed in the shaft 18, convenient for maintaining the rotation of impeller longer time.
The dust hood 7 is truncated cone-shaped dust hood, convenient for chalk powder of the loss in outer housing is sucked dust-collecting box
It is interior.
The working principle of this specific embodiment:：By manual pinching pressure handle, arc-shaped rack drives bicycle freewheel, due to
Bicycle freewheel can keep single-direction transmission, and not influence the reversed return of arc-shaped rack, therefore bicycle freewheel passes through driving wheel
It is driven with booster engine, booster engine is substantially increased the rotating speed of impeller by bevel gear B, bevel gear A, it is made to generate certain air
Negative pressure, chalk powder of the loss in outer housing will suck in dust-collecting box.
The advantageous effect of present embodiment is：1, easy to use, electric energy need not be consumed, and pass through booster engine pair
Loss powder can be sucked in dust-collecting box, effectively prevent the pollution of environment by the speed-raising of impeller.2, it is horizontally disposed in shaft several
Block flying wheel, convenient for maintaining the rotation of impeller longer time.3, dust hood is truncated cone-shaped dust hood, is convenient for loss in outer housing
In interior chalk powder sucking dust-collecting box.
Specific embodiment of the utility model does not constitute limitations of the present invention, every phase using the utility model
It is within the protection scope of the present utility model like structure and variation.
Claims (3)
1. a kind of manual dust absorption blackboard eraser, it is characterised in that：Including outer housing（1）, handle（2）, impeller（3）, panel（4）, brush
Hair（5）, internal partition（6）, dust hood（7）, dust-collecting box（8）, poke rod（9）, arc-shaped rack（10）, pressure handle（11）, compressed spring
（12）, booster engine（13）, geometrical clamp（14）, bicycle freewheel（15）, driving wheel（16）, fixed plate（17）, shaft（18）, umbrella tooth
Take turns A（19）With bevel gear B（20）, outer housing（1）Upper fixed setting handle（2）, outer housing（1）Impeller is arranged in internal rotating（3）,
Outer housing（1）Panel is arranged in lower horizontal（4）, and panel（4）Bristle is uniformly arranged on downside（5）, outer housing（1）Inside is also
Internal partition is set（6）, and the internal partition（6）For truncated cone-shaped internal partition, internal partition（6）Dust hood is arranged in middle part（7）, dust hood
（7）Positioned at panel（4）Top, outer housing（1）Both ends are symmetrical arranged dust-collecting box（8）, and dust-collecting box（8）With outer housing（1）Connection
Place offers dust exhausting hole（21）, dust exhausting hole（21）Lower edge and internal partition（6）It is equal at lowest edge, handle（2）Above and below middle part
Open up through-hole（22）, poke rod（9）Middle part and through-hole（22）Madial wall it is hinged, poke rod（9）Arc-shaped rack is arranged in left end
（10）, poke rod（9）Pressure handle is arranged in right end（11）, and pressure handle（11）Pass through compressed spring（12）With handle（2）Lower wall connects,
Handle（2）Inside setting booster engine（13）, booster engine（13）With arc-shaped rack（10）Between geometrical clamp is set（14）, and geometrical clamp
（14）Interior rotary setting bicycle freewheel（15）, bicycle freewheel（15）Driving wheel is fixedly installed on lateral wall（16）, driving wheel
（16）With booster engine（13）Power transmission, and bicycle freewheel（15）With arc-shaped rack（10）Engagement, handle（2）It is interior horizontally disposed
Fixed plate（17）, shaft（18）Lower end and impeller（3）Shaft connects, shaft（18）Bevel gear A is arranged in upper end（19）, and shaft
（18）With fixed plate（17）Rotatable connection, bevel gear A（19）Pass through booster engine（13）The bevel gear B of left end（20）With booster engine
（13）Power transmission.
2. a kind of manual dust absorption blackboard eraser as described in claim 1, it is characterised in that：The shaft（18）It is upper horizontally disposed
Several pieces of flying wheels（23）.
3. a kind of manual dust absorption blackboard eraser as described in claim 1, it is characterised in that：The dust hood（7）For truncated cone-shaped
Dust hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475272.0U CN208085332U (en) | 2018-04-04 | 2018-04-04 | A kind of manual dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475272.0U CN208085332U (en) | 2018-04-04 | 2018-04-04 | A kind of manual dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208085332U true CN208085332U (en) | 2018-11-13 |
Family
ID=64058073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820475272.0U Expired - Fee Related CN208085332U (en) | 2018-04-04 | 2018-04-04 | A kind of manual dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208085332U (en) |
-
2018
- 2018-04-04 CN CN201820475272.0U patent/CN208085332U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20190404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |