CN204870247U - Mechanical type double round is dust removal blackboard eraser - Google Patents
Mechanical type double round is dust removal blackboard eraser Download PDFInfo
- Publication number
- CN204870247U CN204870247U CN201520560558.5U CN201520560558U CN204870247U CN 204870247 U CN204870247 U CN 204870247U CN 201520560558 U CN201520560558 U CN 201520560558U CN 204870247 U CN204870247 U CN 204870247U
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- China
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- casing
- dust
- shaft
- gear
- driving
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Abstract
The utility model provides a both ends correspond around lieing in on the board of bottom surface that mechanical type double round is dust removal blackboard eraser, including the box with connect the box lower extreme can be on the blackboard when the hand push moves the box rolling two sets of wheel, at the box the blackboard be provided with the brush of the board that is used for blacking respectively, the box inherent the brush on be provided with with the brush communicate with each other the dust that is used for collecting the chalk dust and collect the bag the middle part of bottom surface board is provided with chalk dust under can wiping the brush and inhales the dust and collect the fan in the bag, in the box, all is provided with a set of initiative rotary mechanism on rotation axis of each group's wheel, be provided with between two sets of initiative rotary mechanism with two sets of initiative rotary mechanism combine together and are used for the drive the rotatory driven rotary mechanism of fan. The utility model discloses the puzzlement that the chalk dust brought has been solved for mr in the automatic collection and the processing that utilize the box structure to realize the chalk dust. The utility model has the advantages of easy operation, convenient to use, dust collection efficiency height.
Description
Technical field
The utility model relates to a kind of blackboard eraser.Particularly relate to and a kind ofly integrate the mechanical double train dust-removing blackboard eraser erased the board with collecting chalk dust.
Background technology
Blackboard eraser is absolutely necessary equipment in teaching, but traditional blackboard eraser is in the process erased the board, and often waft out many chalk dusts, not only contaminated air, but also can come to fullly all, gives clean making troubles; Also can be bonded on clothes, clothes of making dirty.The most important thing is, teacher sucks too much chalk dust, will have a strong impact on the health of self.Therefore, in order to overcome the above problems, make the chalk ash collection that can will be scattered while erasing the board, teacher is allowed to break away from from the teaching environment of the chalk dust wafted over the sky, for teacher builds a good teaching environment, solve the puzzlement that chalk dust brings to teacher, be starved of a kind of blackboard eraser of the chalk dust that can not waft out.
Summary of the invention
Technical problem to be solved in the utility model is, provides a kind of simple to operate, easy to use, automatically can collect the mechanical double train dust-removing blackboard eraser of chalk dust.
The technical scheme that the utility model adopts is: a kind of mechanical double train dust-removing blackboard eraser, include casing and the two groups of wheels that can roll on blackboard when hand propelled casing being connected to casing lower end, the blackboard bottom panel of casing is positioned at described in the correspondence of rear and front end is respectively arranged with the hairbrush for erasing the board, the described hairbrush described in casing inherence is provided with the dust collection bag being common to mutually with described hairbrush and collecting chalk dust, the middle part of described bottom panel is provided with the fan in the chalk dust suction dust collection bag under hairbrush can being wiped, in casing, the rotating shaft of each group wheel is all provided with one group of active rotation mechanism, be provided with between Liang Zu active rotation mechanism and combine for the driven rotating mechanism driving described fan to rotate with described Liang Zu active rotation mechanism.
Two groups of described active rotation mechanism structure are identical, include: be fixedly connected on the horizontal bevel gear on described rotating shaft, the longitudinal bevel gear be meshed with described horizontal bevel gear, one end is fixedly connected on the driving shaft on described longitudinal bevel gear, the other end of described driving shaft runs through fixed strip successively, after supporting sleeve and driving gear, be connected on the top panel of casing by the clutch shaft bearing being arranged on casing top panel, wherein, on the front panel that the two ends of described fixed strip are fixedly connected on casing accordingly and rear board, the bottom of described supporting sleeve is fixed on described fixed strip, described driving gear is fixed on described supporting sleeve upper end, described driving gear is provided with the ratchet mechanism be connected for driving driving gear single direction rotation with described driving shaft.
Described ratchet mechanism includes the ratchet slot be fixed on described driving gear, be positioned at the notch of described ratchet slot and the revolving fragment be fixedly connected with described driving shaft, symmetrically on the notch of described ratchet slot be formed with more than one pair of teeth groove, the two ends of described revolving fragment are respectively connected with a ratchet that can be stuck in when single direction rotation in described teeth groove respectively.
Described driven rotating mechanism includes driven shaft and is fixedly connected on the driven gear on described driven shaft, wherein, the upper end of described driven shaft is connected on the top panel of casing by the second bearing, the lower end of described driven shaft is fixedly connected with fan, and described driven gear is meshed with the driving gear of the Liang Zu active rotation mechanism being arranged in both sides respectively.
Mechanical double train dust-removing blackboard eraser of the present utility model, adopts spur gear and bevel gear structure to carry out controls also and then control blackboard eraser ambient air and flow to fan, thus reaches the object of absorption chalk dust; Utilize body structure to realize automatic collection and the process of chalk dust, solve the puzzlement that chalk dust brings to teacher.The utility model has simple to operate, easy to use, efficiency of dust collection advantages of higher.
Accompanying drawing explanation
Fig. 1 is the utility model mechanical double train dust-removing blackboard eraser external structure schematic diagram;
Fig. 2 is the utility model mechanical double train dust-removing blackboard eraser internal structure schematic diagram;
Fig. 3 is active rotation mechanism structure schematic diagram in the utility model;
Fig. 4 is driven rotating mechanism structural representation in the utility model;
Fig. 5 is the top view of Fig. 2 box house.
In figure
1: casing 2: wheel
3: hairbrush 4: dust collection bag
5: fan 6: rotating shaft
7: active rotation mechanism 8: driven rotating mechanism
11: top panel 12: front panel
13: rear board 14: side panel
15: bottom panel 71: horizontal bevel gear
72: longitudinal bevel gear 73: driving shaft
74: supporting sleeve 75: ratchet mechanism
76: clutch shaft bearing 77: fixed strip
78: driving gear 751: revolving fragment
752: ratchet slot 753: ratchet
754: teeth groove 81: driven shaft
82: driven gear 83: the second bearing
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, mechanical double train dust-removing blackboard eraser of the present utility model is described in detail.
As Fig. 1, shown in Fig. 2, mechanical double train dust-removing blackboard eraser of the present utility model, include casing 1 and the two groups of wheels 2 that can roll on blackboard when hand propelled casing 1 being connected to casing 1 lower end, on the bottom panel 15 of casing 1, the blackboard be positioned at described in the correspondence of rear and front end is respectively arranged with the hairbrush 3 for erasing the board, the described hairbrush 3 described in casing 1 inherence is provided with the dust collection bag 4 being common to mutually with described hairbrush 3 and collecting chalk dust, the middle part of described bottom panel 15 is provided with the fan 5 in the suction of the chalk dust under hairbrush 3 can being wiped dust collection bag 4, in casing 1, the rotating shaft 6 of each group wheel 2 is all provided with one group of active rotation mechanism 7, be provided with between Liang Zu active rotation mechanism 7 and combine for the driven rotating mechanism 8 driving described fan 5 to rotate with described Liang Zu active rotation mechanism 7.
As shown in Figure 3, described Liang Zu active rotation mechanism 7 structure is identical, include: be fixedly connected on the horizontal bevel gear 71 on described rotating shaft 6, the longitudinal bevel gear 72 be meshed with described horizontal bevel gear 71, horizontal bevel gear 71 and longitudinal bevel gear 11 are connected with a joggle togather thus change the transmission direction of rotating shaft 6.One end is fixedly connected on the driving shaft 73 on described longitudinal bevel gear 72 in addition, the other end of described driving shaft 73 runs through fixed strip 77 successively, after supporting sleeve 74 and driving gear 78, be connected on the top panel 11 of casing 1 by the clutch shaft bearing 76 being arranged on casing 1 top panel 11, wherein, on the front panel 12 that the two ends of described fixed strip 77 are fixedly connected on casing 1 accordingly and rear board 13, the bottom of described supporting sleeve 74 is fixed on described fixed strip 77, described driving gear 78 is fixed on described supporting sleeve 74 upper end, described driving gear 78 is provided with the ratchet mechanism 75 be connected for driving driving gear 78 single direction rotation with described driving shaft 73.
As shown in Figure 4, described ratchet mechanism 75 includes the ratchet slot 752 be fixed on described driving gear 78, be positioned at the notch of described ratchet slot 752 and the revolving fragment 751 be fixedly connected with described driving shaft 73, symmetrically on the notch of described ratchet slot 752 be formed with more than one pair of teeth groove 754, the two ends of described revolving fragment 751 are respectively connected with a ratchet 753 that can be stuck in when single direction rotation in described teeth groove 754 respectively.
As shown in Figure 5, the driven gear 82 that described driven rotating mechanism 8 includes driven shaft 81 and is fixedly connected on described driven shaft 81, wherein, the upper end of described driven shaft 81 is connected on the top panel 11 of casing 1 by the second bearing 83, the lower end of described driven shaft 81 is fixedly connected with fan 5, and described driven gear 82 is meshed with the driving gear 74 of the Liang Zu active rotation mechanism 7 being arranged in both sides respectively.Drive fan 5 to reverse by driven shaft 81 thus affect the gas flowing around fan 5, reaching and absorb the object that chalk dust enters dust collection bag 4.
The operation principle of the utility model mechanical double train dust-removing blackboard eraser: be close on blackboard by hairbrush 3, wheel 2 also can be close on blackboard simultaneously, the working space of at this moment casing 1 and the semitight of blackboard basic comprising.Total is carried out mobile wiping along blackboard, hairbrush 3 carries out the action erased the board, wheel 2 will rotate along blackboard under the drive of the frictional force of blackboard simultaneously, rotate through and be fixed on horizontal bevel gear 71 on the rotating shaft 6 of wheel 2 and carry out change direction and transferring rotational motion with the horizontal bevel gear 71 longitudinal bevel gear 72 be connected that is meshed, the rotation of driving gear 78 is controlled again afterwards by ratchet mechanism 75 fixing on driving shaft 73, and then rotary motion is delivered on driven gear 82, then the pinion 15 rotated drives coupled power transmission shaft 14 to rotate, the power transmission shaft 14 rotated drives again the fan 5 be fixed thereon to rotate backward, the air flowing of the semi-enclosed space that the fan 5 reversed is formed by Effect of Rotation, thus impel the chalk dust of formation to enter in casing 1 by the gap that the bottom panel 15 of casing 1 is opened, and then enter the dust collection bag 14 of prepared collection chalk dust.
Claims (4)
1. a mechanical double train dust-removing blackboard eraser, include casing (1) and be connected to the two groups of wheels (2) can rolled on blackboard when hand propelled casing (1) of casing (1) lower end, it is characterized in that, on the bottom panel (15) of casing (1), the blackboard be positioned at described in the correspondence of rear and front end is respectively arranged with the hairbrush (3) for erasing the board, the described hairbrush (3) described in casing (1) inherence is provided with the dust collection bag (4) being common to mutually with described hairbrush (3) and collecting chalk dust, the middle part of described bottom panel (15) is provided with the fan (5) in chalk dust suction dust collection bag (4) under hairbrush (3) can being wiped, in casing (1), the rotating shaft (6) of each group wheel (2) is all provided with one group of active rotation mechanism (7), be provided with between Liang Zu active rotation mechanism (7) and combine for the driven rotating mechanism (8) driving described fan (5) to rotate with described Liang Zu active rotation mechanism (7).
2. mechanical double train dust-removing blackboard eraser according to claim 1, it is characterized in that, described Liang Zu active rotation mechanism (7) structure is identical, include: be fixedly connected on the horizontal bevel gear (71) on described rotating shaft (6), the longitudinal bevel gear (72) be meshed with described horizontal bevel gear (71), one end is fixedly connected on the driving shaft (73) on described longitudinal bevel gear (72), the other end of described driving shaft (73) runs through fixed strip (77) successively, after supporting sleeve (74) and driving gear (78), be connected on the top panel (11) of casing (1) by the clutch shaft bearing (76) being arranged on casing (1) top panel (11), wherein, on the front panel (12) that the two ends of described fixed strip (77) are fixedly connected on casing (1) accordingly and rear board (13), the bottom of described supporting sleeve (74) is fixed on described fixed strip (77), described driving gear (78) is fixed on described supporting sleeve (74) upper end, described driving gear (78) is provided with the ratchet mechanism (75) be connected for driving driving gear (78) single direction rotation with described driving shaft (73).
3. mechanical double train dust-removing blackboard eraser according to claim 2, it is characterized in that, described ratchet mechanism (75) includes the ratchet slot (752) be fixed on described driving gear (78), be positioned at the notch of described ratchet slot (752) and the revolving fragment (751) be fixedly connected with described driving shaft (73), on the notch of described ratchet slot (752), symmetry is formed with more than one pair of teeth groove (754), the two ends of described revolving fragment (751) are respectively connected with a ratchet (753) that can be stuck in when single direction rotation in described teeth groove (754) respectively.
4. mechanical double train dust-removing blackboard eraser according to claim 1, it is characterized in that, described driven rotating mechanism (8) includes driven shaft (81) and is fixedly connected on the driven gear (82) on described driven shaft (81), wherein, the upper end of described driven shaft (81) is connected on the top panel (11) of casing (1) by the second bearing (83), the lower end of described driven shaft (81) is fixedly connected with fan (5), described driven gear (82) is meshed with the driving gear (74) of the Liang Zu active rotation mechanism (7) being arranged in both sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560558.5U CN204870247U (en) | 2015-07-30 | 2015-07-30 | Mechanical type double round is dust removal blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520560558.5U CN204870247U (en) | 2015-07-30 | 2015-07-30 | Mechanical type double round is dust removal blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204870247U true CN204870247U (en) | 2015-12-16 |
Family
ID=54814666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520560558.5U Expired - Fee Related CN204870247U (en) | 2015-07-30 | 2015-07-30 | Mechanical type double round is dust removal blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204870247U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015233A (en) * | 2015-07-30 | 2015-11-04 | 唐山学院 | Mechanical double-wheel-train dust removal blackboard eraser |
| CN105856928A (en) * | 2016-06-03 | 2016-08-17 | 河北工业大学 | Zero-energy-consumption wet type dust collection board eraser |
| CN107415543A (en) * | 2017-04-14 | 2017-12-01 | 刘其获 | Environment-friendly dust-proof eraser |
| CN109760452A (en) * | 2019-03-06 | 2019-05-17 | 凡得雨 | A kind of black board eraser with chalk-dust collector |
| CN113561684A (en) * | 2021-06-28 | 2021-10-29 | 河海大学 | Mechanical dust-absorbing blackboard eraser |
-
2015
- 2015-07-30 CN CN201520560558.5U patent/CN204870247U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015233A (en) * | 2015-07-30 | 2015-11-04 | 唐山学院 | Mechanical double-wheel-train dust removal blackboard eraser |
| CN105856928A (en) * | 2016-06-03 | 2016-08-17 | 河北工业大学 | Zero-energy-consumption wet type dust collection board eraser |
| CN107415543A (en) * | 2017-04-14 | 2017-12-01 | 刘其获 | Environment-friendly dust-proof eraser |
| CN109760452A (en) * | 2019-03-06 | 2019-05-17 | 凡得雨 | A kind of black board eraser with chalk-dust collector |
| CN113561684A (en) * | 2021-06-28 | 2021-10-29 | 河海大学 | Mechanical dust-absorbing blackboard eraser |
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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: 20160730 |