CN110901267B - Atomizing dust-collecting dry-wet dual-purpose blackboard eraser - Google Patents
Atomizing dust-collecting dry-wet dual-purpose blackboard eraser Download PDFInfo
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- CN110901267B CN110901267B CN201911160558.5A CN201911160558A CN110901267B CN 110901267 B CN110901267 B CN 110901267B CN 201911160558 A CN201911160558 A CN 201911160558A CN 110901267 B CN110901267 B CN 110901267B
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- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000000889 atomisation Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims description 18
- 230000006870 function Effects 0.000 claims description 12
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- 238000005108 dry cleaning Methods 0.000 claims description 6
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- 238000005200 wet scrubbing Methods 0.000 description 6
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
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Abstract
本发明公开了一种雾化吸尘干湿两用黑板擦，包括湿擦单元、干擦固定部、干擦活动部和调节机构以及风机、电池和风机开关等。干擦固定部包括四周固定侧壁和固定后壁围成的密封槽，且与湿擦单元的固定壳体部分固定位一体。干擦活动部：包括四周侧壁和活动后壁、活动中壁、活动前壁围成的活动壳体部分，该活动壳体部分匹配套装于所述密封槽内且能够沿密封槽前后滑动。本发明能够通过简单的调节实现干擦和湿擦切换，两种模式切换后分别使对应的模式靠前，以方便使用。相对于现有干湿两用黑板擦，本发明是通过喷雾的方式进行湿擦，具有雾化功能，防止黑板过度涉水，节约喷水。
The invention discloses a wet and dry blackboard eraser for atomization and dust collection, comprising a wet-wiping unit, a dry-wiping fixed part, a dry-wiping movable part, an adjustment mechanism, a fan, a battery, a fan switch, and the like. The dry-wipe fixing part includes a sealing groove surrounded by the surrounding fixing side walls and the fixing rear wall, and is integrally fixed with the fixing housing part of the wet-wiping unit. Dry-wipe movable part: includes a movable housing part surrounded by surrounding side walls, movable rear wall, movable middle wall and movable front wall. The movable shell part is matched and sleeved in the sealing groove and can slide back and forth along the sealing groove. The present invention can realize switching between dry wiping and wet wiping through simple adjustment, and after the two modes are switched, the corresponding mode is brought forward respectively, so as to facilitate the use. Compared with the existing wet and dry blackboard eraser, the present invention performs wet wiping by spraying, has the function of atomization, prevents the blackboard from excessively wading in water, and saves water spraying.
Description
Technical Field
The invention belongs to the technical field of teaching tool blackboard eraser improvement, and particularly relates to an atomizing dust-absorbing dry-wet dual-purpose blackboard eraser.
Background
Aiming at the problems that when the traditional blackboard eraser is used for erasing a blackboard, chalk dust is scattered to pollute the classroom environment, the whole body of a user is polluted, and the chalk dust can be sucked into the body to bring harm to the health of teachers and students, the improved technology of the blackboard eraser is that a dust collection structure is arranged for collecting dust during dry erasing of the blackboard so as to reduce the phenomenon of dust splashing, but the dust collection effect is only used for dust splashing caused by the erasing process, and dust existing in a convex-concave gap on the surface of the blackboard for a long time cannot be removed completely. Other improve the technique through the mode of water spray to blackboard eraser, for example through spraying water to blackboard surface and clean through the rag, the moisture absorption capacity of rag is relatively poor, and unnecessary moisture can be stayed on the blackboard, and water and chalk powder form inhomogeneous mixed liquid on blackboard surface, can leave white vestige on waiting that moisture evaporation back blackboard, and the blackboard wades excessively and is unfavorable for using again immediately. For example, a blackboard eraser disclosed in publication No. CN102963187A includes a blackboard eraser body and a sponge body in butt joint with the blackboard eraser body, the blackboard eraser body is sequentially provided with a water inlet, a water storage tank and a water outlet, the water inlet is provided with a switch device, the water outlet is a plurality of through holes opened at one side of the sponge body, and the bottom of the sponge body is provided with a protrusion. However, this structure does not provide a good wiping effect if only dry sponge is used without humidification; after the sponge body is soaked with water, only a small part of chalk powder can be wiped off, and uneven mixed liquid can be formed on the surface of the blackboard. For example, a dry and wet combined type blackboard eraser with publication number CN 204222489U, which has an eraser fixing connector, a dry eraser portion and a wet eraser portion, wherein the inner space of the eraser fixing connector is divided into two parts by a space, and the two parts are respectively adhered with the dry eraser portion and the wet eraser portion; the wet eraser portion includes a cloth material portion and a cotton material portion, wherein the cloth material portion wraps a lower end of the cotton material portion on the inner side. Although the technology has a dry part and a wet part, the dry part and the wet part are not reasonably separated and have a dry wiping mode switching function and a wet wiping mode switching function, so that the normal use of the dry wiping is influenced in the wet wiping process.
In the existing dry and wet blackboard eraser with application value, the wet erasing part is basically in a water spraying mode, the problem that normal use is influenced due to excessive wading of the blackboard due to the water spraying is solved, the actual use value is not high, and the popularization and the application are not facilitated. The related spraying type blackboard eraser is basically large in size, an independent spraying system and a dust collection system are arranged, transverse rails are required to be arranged on the upper side and the lower side of a blackboard respectively, the whole blackboard eraser is translated along the upper rail and the lower rail, a water pump and a water tank are arranged in the blackboard eraser, and the large-size blackboard eraser is electrified and automatically operated, for example, an automatic blackboard eraser with the bulletin number of CN 208801785U comprises an edge eraser device, a driving device and a dust falling device; the blackboard eraser device comprises an outer surface body, wherein the inner side surface of the outer surface body is provided with a blackboard eraser body, and the upper part of the outer surface body is provided with a nut; the driving device comprises a screw matched with the nut, and the screw is fixedly connected with an output shaft of the driving motor; the dust falling device comprises a support arranged on the side part of the outer surface body, a water storage bottle is arranged on the outer side part of the support, the water storage bottle is communicated with a water inlet of a water suction pump through a water outlet pipe, a water outlet of the water suction pump is communicated with a water spray pipe, and the water spray pipe is bent and extends to the inner side of the support and is provided with a plurality of atomizing nozzles at uniform intervals. Although the technology can realize the atomization wiping function and is superior to the water spraying wiping effect, the whole blackboard needs to be transformed, the transformation cost is high, and the popularization and the use are not facilitated.
At present, an effective portable blackboard eraser with atomization and dust removal functions is not available.
Disclosure of Invention
Aiming at the defects and problems commonly existing in the existing dry and wet dual-purpose blackboard eraser, the invention provides the dry and wet dual-purpose blackboard eraser with the atomizing function and the dust collection function, which has the advantages of compact and simplified structure, no production cost reduction, simple switching and adjustment and strong practicability.
The technical scheme adopted by the invention for solving the technical problems is as follows: an atomizing dust-collecting dry-wet dual-purpose blackboard eraser comprises a wet-erasing unit, a dry-erasing fixed part, a dry-erasing movable part, an adjusting mechanism, a fan, a battery, a fan switch and the like.
A wet wiping unit: the wet wiping part comprises a fixed shell part enclosed by peripheral side walls, a wet wiping part rear wall, a wet wiping part middle wall and a wet wiping part front wall, a water storage chamber is formed between the wet wiping part middle wall and the wet wiping part front wall, a water filling port is arranged on the upper side of the water storage chamber, a sealing cover is installed on the upper side of the water storage chamber, a pressure chamber is formed between the wet wiping part rear wall and the wet wiping part middle wall and is communicated with the upper part of the pressure chamber, a piston body is hermetically sleeved in the middle of the pressure chamber, a compression air inlet hole is formed in the bottom of the pressure chamber, an atomizing nozzle is fixed in the middle of the wet wiping part front wall, an inlet of the atomizing nozzle is located in the water storage chamber, and.
Dry wiping the fixed part: comprises a sealing groove surrounded by a fixed side wall and a fixed rear wall, and is fixed and integrated with the fixed shell part of the wet wiping unit.
Dry-wiping the movable part: the movable shell body is sleeved in the sealing groove in a matching mode and can slide back and forth along the sealing groove.
An airtight airflow front chamber is arranged between the movable middle wall and the movable front wall, an airtight airflow rear chamber is arranged between the movable rear wall and the movable middle wall, the movable rear wall and the fixed rear wall of the sealing groove enclose an exhaust channel, and an exhaust hole is formed in the fixed side wall at the bottom of the exhaust channel.
The dry cleaning cushion layer is filled and fixed in an area enclosed by the movable front wall and the peripheral side walls, air inlet holes are uniformly distributed on the movable front wall and communicated with the air flow front chamber, the air blower is further arranged, an inlet of the air blower is located in the air flow front chamber, an outlet of the air blower is located in the air flow rear chamber, air outlet holes are distributed in the movable rear wall and communicated with the exhaust channel, and an air compressing outlet hole is formed in the side wall of the top of the air flow rear chamber.
The adjusting mechanism can slide the dry wiping movable part back and forth along the dry wiping fixed part to be adjusted, when a gap exists between the dry wiping movable part and the rear wall of the dry wiping fixed part, namely an exhaust channel exists, the air pressure discharged from the air flow rear chamber enters the exhaust channel from the air outlet and then is discharged from the exhaust hole, and when the air exhaust channel does not exist after the dry wiping movable part is attached to the rear wall of the dry wiping fixed part, the air pressure discharged from the air flow rear chamber enters the air pressure inlet hole of the wet wiping unit from the air pressure outlet hole.
Furthermore, a filter layer is sleeved on the side wall of the air outlet of the airflow rear chamber.
A rear chamber chip exhaust port positioned at the bottom of the rear airflow chamber and a front chamber chip exhaust port positioned at the bottom of the front airflow chamber are respectively arranged.
The dry wiping cushion layer comprises a thick cushion layer and a shallow cushion layer which are alternately distributed, and air inlets are distributed on the shallow cushion layer.
The adjusting mechanism comprises a push-pull rod, a threaded adjusting rod and a knob, the threaded adjusting rod is in threaded connection with the push-pull rod to form an integrated rod, the push-pull rod is fixedly connected with the dry wiping movable part, a nut is arranged on the fixed rear wall of the dry wiping fixed part, the threaded adjusting rod is installed in the nut in a matched mode, and the knob is rotated to control the push-pull rod to move back and forth so as to control the dry wiping movable part to move back and forth.
Or the adjusting mechanism comprises a push-pull rod, a push-pull adjusting rod and a knob, the push-pull adjusting rod and the push-pull rod are in threaded connection to form an integrated rod, the push-pull rod is fixedly connected with the dry wiping movable part, a sleeve is arranged on the fixed rear wall of the dry wiping fixed part, flat holes which are symmetrical are formed in two sides of the sleeve, the push-pull adjusting rod is installed in the sleeve in a matching mode, positioning clamping pieces which are symmetrical are arranged on two sides of the push-pull adjusting rod and can be inserted into the corresponding flat holes in the two sides of the sleeve in a matching mode, the axial length of each positioning clamping piece is equal to the thickness of the exhaust channel, and a.
The rear wall of the exhaust channel is fixed with a rubber lining, the rubber lining is distributed with convex air-blocking blocks, and the convex air-blocking blocks are distributed corresponding to the corresponding air outlet holes.
The atomizing spray heads are flat nozzle atomizing spray heads, are positioned in the middle of the wet scrubbing cushion layer of the wet scrubbing unit and are vertically distributed.
The invention has the beneficial effects that: the invention can realize the switching between the dry wiping and the wet wiping through simple adjustment, and the two modes are switched to ensure that the corresponding modes are respectively close to the front (namely the dry wiping layer is close to the front in the dry wiping mode and the wet wiping layer is close to the front in the wet wiping mode) so as to be convenient to use. Compared with the existing dry and wet dual-purpose blackboard eraser, the wet eraser performs wet erasing in a spraying mode, has an atomizing function, prevents the blackboard from excessively wading, saves water spraying, and has a good erasing effect. The dry wiping and the wet wiping are alternately used, so that the effects of preventing dust and thoroughly cleaning blackboard dust are achieved.
The dry-wet dual-purpose blackboard eraser combines a dry erasing mode and a wet erasing mode, can realize double functions by sharing one fan, and can change the direction of air flow by adjusting the dry erasing movable part, thereby simplifying the structure, facilitating the operation, saving the cost, compressing the volume and having strong practicability.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic view of a cross-sectional structure B-B in fig. 1.
FIG. 3 is a schematic illustration of the wet wipe mode adjustment of FIG. 2.
Fig. 4 is a schematic diagram of the dry erase mode adjustment of fig. 2.
Fig. 5 is one of the enlarged structural diagrams of the part a in fig. 3.
Fig. 6 is a second enlarged schematic view of part a in fig. 3.
Fig. 7 is a schematic view of the cross-sectional structure C-C of fig. 6.
Reference numbers in the figures: 1 is a wet wiping unit, 2 is a dry wiping fixed part, 3 is a dry wiping movable part, 4 is an adjusting mechanism, 101 is a rear wall of the wet wiping part, 102 is a middle wall of the wet wiping part, 103 is a front wall of the wet wiping part, 104 is a water storage chamber, 105 is a pressure chamber, 106 is a communicating hole, 107 is an air pressing inlet hole, 108 is a piston body, 109 is an atomizing nozzle, 110 is a wet wiping cushion layer, and 111 is a sealing cover; 201 is a fixed rear wall, 202 is an exhaust hole, 203 is a rubber lining, 204 is a protruded air blocking block, 205 is a nut, 206 is a sleeve, 207 is a flat hole, 208 is an exhaust channel, 301 is a movable rear wall, 302 is a movable middle wall, 303 is a movable front wall, 304 is an airflow front chamber, 305 is an airflow rear chamber, 306 is an air inlet, 307 is an air outlet, 309 is a filter layer, 310 is a fan, 311 is a fan inlet, 312 is a fan outlet, 313 is a battery, 314 is a rear chamber chip removal port, 315 is a front chamber chip removal port, 316 is an air compression outlet, 317 is a fan switch, 318 is a thick cushion layer, and 319 is a shallow cushion layer; 401 is a push-pull rod, 402 is a knob, 403 is a clamping table, 404 is a threaded adjusting rod, 405 is a push-pull adjusting rod, 406 is a positioning clamping sheet, and 407 is a thrust spring.
Detailed Description
Example 1: an atomization dust-collection dry-wet dual-purpose blackboard eraser as shown in figure 1 comprises a wet erasing unit and a dry erasing unit, wherein the wet erasing unit and the dry erasing unit are simply adjusted through an adjusting mechanism to realize a switching mode, and the wet erasing mode, the dry erasing mode and a mixed mode (common mode) can be switched mutually.
As shown in fig. 2, the dry wiping unit includes a dry wiping fixing part 2 and a dry wiping movable part 3, and the degree of the dry wiping movable part 3 entering and exiting from the dry wiping fixing part 2 can be adjusted by an adjusting mechanism 4, so as to realize two different entering and exiting degrees as shown in fig. 3 and 4. As shown in fig. 3, the wet erasing mode is performed when the dry erasing movable part 3 is moved backward by the adjusting mechanism 4, and the whole blackboard eraser has a hierarchical relationship with the wet erasing unit 1 in front and the dry erasing unit in back. As shown in fig. 4, the dry-erase mode is shown, in which the dry-erase movable portion 3 is moved forward by the adjustment mechanism 4, and the whole blackboard eraser has a hierarchical relationship in which the wet-erase unit is behind and the dry-erase unit is in front. The dry-wet dual-purpose blackboard eraser adopts a dry erasing mode most of the time, so the main body is arranged in a distribution relationship that a dry erasing part is larger than a wet erasing part, but the condition that the wet erasing part is larger than the dry erasing part is not excluded. In the long-time dry wiping mode, the surfaces of the dry wiping unit and the wet wiping unit 1 can also be adjusted to be flush by the adjusting mechanism 4 as shown in fig. 2, and at this time, the dry wiping mode is still substantially the same, and the wet wiping pad layer 110 can also be used for dry wiping.
As shown in fig. 2, the dry wiping unit includes a dry wiping fixing portion 2 and a dry wiping movable portion 3, the dry wiping fixing portion 2 includes a sealing groove surrounded by a fixed sidewall and a fixed rear wall 201, and is fixed and integrated with the fixed housing portion of the wet wiping unit 1.
The dry wiping movable part 3 comprises a movable shell part enclosed by a peripheral side wall, a movable rear wall 301, a movable middle wall 302 and a movable front wall 303, the movable shell part is sleeved in the sealing groove in a matching mode and can slide back and forth along the sealing groove, and a track which is embedded in a convex-concave mode is preferably arranged between the inner wall of the dry wiping fixed part 2 and the movable shell of the dry wiping movable part 3 to keep the dry wiping fixed part and the movable shell of the dry wiping movable part 3 to slide stably.
The area enclosed by the movable front wall 303 and the peripheral side walls is filled and fixed with a dry-scrubbing cushion layer, air inlet holes 306 are uniformly distributed on the movable front wall 303, the air inlet holes 306 are communicated with the air flow front chamber 304, the dry-scrubbing cushion layer comprises a thick cushion layer and a shallow cushion layer which are alternately distributed, and the air inlet holes 306 are distributed on the shallow cushion layer. Between the movable middle wall 302 and the movable front wall 303 is a closed air flow front chamber 304, which is intended to absorb dust located on the dry scrubbing pad. Between the movable rear wall 301 and the movable middle wall 302 is a closed airflow rear chamber 305, a fan chamber is arranged in a region between the airflow front chamber 304 and the airflow rear chamber 305 and is clamped with a fan 310, a battery box is arranged, a fan inlet 311 is arranged in the airflow front chamber 304, a fan outlet 312 is arranged in the airflow rear chamber 305, and airflow in the airflow front chamber 304 is pressed into the airflow rear chamber 305 under the action of the fan.
The movable back wall 301 and the fixed back wall 201 of the dry wiping fixing part 2 enclose an exhaust channel 208, air outlets 307 are distributed on the movable back wall 301, the air outlets 307 are communicated with the exhaust channel 208, an air pressing outlet 316 is arranged on the side wall of the top of the airflow back chamber 305, and an exhaust hole 202 is arranged on the fixed side wall of the bottom of the exhaust channel 208. Under the action of the regulating mechanism, the exhaust passage 208 may be in a compressed state as shown in fig. 3, in which the exhaust function is lost, or in a clear state as shown in fig. 4 and 2, in which the exhaust function is normal.
The sidewall of the air outlet 307 of the air flow rear chamber 305 is sleeved with a filter layer 309, and when the air flow enters the exhaust channel, the dust is filtered by the filter layer 309 and is retained in the air flow rear chamber 305. The rear chamber chip removal port located at the bottom of the rear airflow chamber 305 and the front chamber chip removal port located at the bottom of the front airflow chamber 304 are respectively arranged, but are sealed by the inner side wall of the dry wiping fixing part 2, and the rear chamber chip removal port and the front chamber chip removal port can not directly remove chips, but remove chips after the dry wiping movable part 3 is taken out from the dry wiping fixing part 2 (the removal process is carried out by detaching the knob 402 of the adjusting mechanism).
The adjusting mechanism can slide and adjust the dry wiping movable part 3 back and forth along the dry wiping fixed part 2. The adjustment mechanism 4 used in this embodiment is shown in fig. 5 and includes a push-pull rod 401, a threaded adjustment rod 404 and a knob 402. Firstly, the threaded adjusting rod 404 and the push-pull rod 401 are connected by threads to form an integrated rod, when the two are connected, the dry wiping movable part 3 can not be detached from the dry wiping fixed part 2, and when the two are detached, the dry wiping movable part 3 can be detached from the dry wiping fixed part 2. The push-pull rod 401 is fixedly connected to the dry wiping movable portion 3, and as can be seen from fig. 5, a plurality of clamping platforms are arranged on the push-pull rod 401 and respectively supported on the side surfaces of the corresponding wall plates, so that when the push-pull rod 401 is controlled to move axially, each wall plate can be pushed to move horizontally, that is, the dry wiping movable portion 3 is controlled to move. A nut is arranged on the fixed rear wall 201 of the dry wiping fixed part 2 (or a nut is fixedly sleeved in a rear wall hole), a threaded adjusting rod 404 is arranged in the nut in a matching way, and the push-pull rod 401 can be controlled to move back and forth by rotating the knob 402 so as to control the dry wiping movable part 3 to move back and forth.
The wet wiping unit 1 adopted by the embodiment has an atomizing function, and has the advantages of preventing the blackboard from excessively wading to influence the writing problem, achieving the purpose of water saving and reducing the water replenishing frequency compared with the existing water spraying wet wiping condition. The wet scrubbing unit has a specific structure as shown in fig. 3, and is a fixed shell part enclosed by peripheral side walls, a wet scrubbing part rear wall 101, a wet scrubbing part middle wall 102 and a wet scrubbing part front wall 103. A water storage chamber 104 is formed between the wet wiping part middle wall 102 and the wet wiping part front wall 103, and a water filling opening is arranged on the upper side of the water storage chamber and a sealing cover 111 is installed on the upper side of the water storage chamber. A pressure chamber 105 is formed between the wet wiping part rear wall 101 and the wet wiping part middle wall 102, the water storage chamber 104 is communicated with the upper part of the pressure chamber 105, the middle part of the pressure chamber 105 is hermetically sleeved with a piston body 108, and the bottom of the pressure chamber 105 is provided with a pressure air inlet 107. An atomizing nozzle 109 is fixed in the middle of the front wall 103 of the wet wiping part, the inlet of the atomizing nozzle 109 is positioned in the water storage chamber 104, a wet wiping cushion layer 110 is fixed in the area enclosed by the front wall 103 of the wet wiping part and the peripheral side walls, wherein the adopted atomizing nozzle 109 is a flat nozzle atomizing nozzle 109, is positioned in the middle of the wet wiping cushion layer 110 of the wet wiping unit, and is vertically distributed.
As shown in fig. 3, when the air discharge passage is not present after the dry erase movable part 3 is attached to the rear wall of the dry erase fixing part 2 by the adjusting mechanism, the air discharged from the air flow rear chamber 305 does not enter the air discharge passage any more. Preferably, a rubber lining is fixed on the rear wall of the exhaust passage, and the rubber lining is distributed with convex air-blocking blocks, and each convex air-blocking block is distributed to correspond to the corresponding air outlet 307, so that each air outlet 307 can be better blocked, and air leakage of each air outlet 307 can be prevented. At this time, the air pressure discharged from the air flow rear chamber 305 enters the air pressure inlet of the wet wiping unit through the air pressure outlet, the air pressure is continuously increased to more than 3 atmospheric pressures, the piston is forced to move upwards, and the compressed air further presses out the stored water in the water storage chamber 104.
As shown in fig. 4, when there is a gap between the dry wiping movable part 3 and the rear wall of the dry wiping fixed part 2, that is, there is an air discharge passage, the air pressure discharged from the air flow rear chamber 305 enters the air discharge passage through the air outlet hole 307 and is then discharged from the air discharge hole 202. At this time, the air pressure outlet hole located on the upper side of the air flow rear chamber 305 is misaligned with the air pressure inlet hole of the wet wiping unit, and the air flow does not enter the air pressure inlet hole of the wet wiping unit any more.
The fan switch for controlling the fan can be arranged at any convenient control position of the blackboard eraser, for example, at the position corresponding to the index finger on the back surface of the blackboard eraser.
Example 2: on the basis of embodiment 1, the adjusting mechanism comprises a push-pull rod 401, a push-pull adjusting rod 405 and a knob 402. The push-pull adjusting rod 405 and the push-pull rod 401 are connected through threads to form an integrated rod, the push-pull adjusting rod and the push-pull rod 401 can be detached and connected through threads, when the push-pull adjusting rod and the push-pull adjusting rod are connected, the dry wiping movable part 3 cannot be detached from the dry wiping fixing part 2, and when the push-pull adjusting rod and the dry wiping movable part are detached, the dry wiping movable part 3 can be detached from the dry wiping fixing part. The push-pull rod 401 is fixedly connected to the dry wiping movable portion 3, and as can be seen from fig. 6, a plurality of clamping platforms are arranged on the push-pull rod 401 and respectively supported on the side surfaces of the corresponding wall plates, so that when the push-pull rod 401 is controlled to move axially, each wall plate can be pushed to move horizontally, that is, the dry wiping movable portion 3 is controlled to move.
As shown in fig. 7, a sleeve is arranged on the fixed back wall 201 of the dry wiping fixed part 2, flat holes are symmetrically arranged on two sides of the sleeve, a push-pull adjusting rod 405 is arranged in the sleeve in a matching way, positioning clamping pieces 406 are symmetrically arranged on two sides of the push-pull adjusting rod 405, the positioning clamping pieces 406 on two sides can be inserted into the corresponding flat holes on two sides of the sleeve in a matching way, the axial length of the positioning clamping pieces 406 is equal to the thickness of the exhaust channel, and a thrust spring 407 which enables the dry wiping movable part 3 to pop out forwards is also arranged.
Claims (8)
1. An atomization dust-absorption wet-dry dual-purpose blackboard eraser comprises a wet erasing unit, a dry erasing fixed part, a dry erasing movable part, an adjusting mechanism, a fan, a battery and a fan switch, and is characterized in that the wet erasing unit comprises a fixed shell part which is defined by peripheral side walls, a wet erasing part rear wall, a wet erasing part middle wall and a wet erasing part front wall, a water storage chamber is formed between the wet erasing part middle wall and the wet erasing part front wall, a water filling port is arranged on the upper side of the water storage chamber, a pressure chamber is formed between the wet erasing part rear wall and the wet erasing part middle wall, the water storage chamber is communicated with the upper part of the pressure chamber, the middle part of the pressure chamber is hermetically sleeved, a compression air inlet hole is formed at the bottom of the pressure chamber, an atomization nozzle is fixed at the middle part of the wet erasing part front wall, an inlet of the atomization nozzle is positioned in the water storage chamber, and a wet; the dry wiping fixing part comprises a sealing groove surrounded by a peripheral fixing side wall and a fixing rear wall, and is fixed and integrated with the fixing shell part of the wet wiping unit; the dry wiping movable part comprises a movable shell part enclosed by a peripheral side wall, a movable rear wall, a movable middle wall and a movable front wall, and the movable shell part is sleeved in the sealing groove in a matching manner and can slide back and forth along the sealing groove; an airtight airflow front chamber is arranged between the movable middle wall and the movable front wall, an airtight airflow rear chamber is arranged between the movable rear wall and the movable middle wall, the movable rear wall and the fixed rear wall of the sealing groove enclose an exhaust channel, and an exhaust hole is formed in the fixed side wall at the bottom of the exhaust channel; a dry wiping cushion layer is filled and fixed in a region enclosed by the movable front wall and the peripheral side walls, air inlet holes are uniformly distributed on the movable front wall and communicated with the air flow front chamber, a fan is further arranged, an inlet of the fan is positioned in the air flow front chamber, an outlet of the fan is positioned in the air flow rear chamber, air outlet holes are distributed on the movable rear wall and communicated with the exhaust channel, and an air pressing outlet hole is formed in the side wall of the top of the air flow rear chamber; the adjusting mechanism can slide the dry wiping movable part back and forth along the dry wiping fixed part to be adjusted, when a gap exists between the dry wiping movable part and the rear wall of the dry wiping fixed part, namely an exhaust channel exists, the air pressure discharged from the air flow rear chamber enters the exhaust channel from the air outlet and then is discharged from the exhaust hole, and when the air exhaust channel does not exist after the dry wiping movable part is attached to the rear wall of the dry wiping fixed part, the air pressure discharged from the air flow rear chamber enters the air pressure inlet hole of the wet wiping unit from the air pressure outlet hole.
2. The blackboard eraser for both dry and wet use with atomizing and dust collecting functions as claimed in claim 1, wherein the sidewall of the air outlet of the rear air flow chamber is sleeved with a filter layer.
3. The blackboard eraser for both dry and wet cleaning according to claim 1, wherein a rear chamber exhaust port located at the bottom of the rear chamber of the air flow and a front chamber exhaust port located at the bottom of the front chamber of the air flow are separately provided.
4. The blackboard eraser for both dry and wet use with atomized dust absorption according to claim 1, wherein the dry eraser pad layer comprises a thick pad layer and a shallow pad layer which are alternately arranged, and the air inlet holes are distributed on the shallow pad layer.
5. The blackboard eraser for both dry and wet cleaning according to claim 1, wherein the adjusting mechanism comprises a push-pull rod, a threaded adjusting rod and a knob, the threaded adjusting rod is connected with the push-pull rod in a threaded manner to form an integral rod, the push-pull rod is fixedly connected with the dry cleaning movable portion, a nut is arranged on the fixed rear wall of the dry cleaning fixed portion, the threaded adjusting rod is fittingly installed in the nut, and the knob can be rotated to control the push-pull rod to move back and forth so as to control the dry cleaning movable portion to move back and forth.
6. The blackboard eraser for both dry and wet cleaning according to claim 1, wherein the adjusting mechanism comprises a push-pull rod, a push-pull adjusting rod and a knob, the push-pull adjusting rod is connected with the push-pull rod by screw threads to form an integral rod, the push-pull rod is fixedly connected with the movable portion for dry cleaning, a sleeve is arranged on the fixed rear wall of the fixed portion for dry cleaning, flat holes are symmetrically formed in both sides of the sleeve, the push-pull adjusting rod is fittingly mounted in the sleeve, positioning clamping pieces are symmetrically arranged on both sides of the push-pull adjusting rod, the positioning clamping pieces on both sides can be fittingly inserted into the corresponding flat holes in both sides of the sleeve, the axial length of the positioning clamping pieces is equal to the thickness of the exhaust channel, and a thrust.
7. The blackboard eraser for both dry and wet use according to claim 1, wherein a rubber lining is fixed on the rear wall of the exhaust channel, and protruded air-blocking blocks are distributed on the rubber lining, and are distributed corresponding to the corresponding air outlets.
8. The blackboard eraser for both dry and wet use according to claim 1, wherein the atomizer is a flat nozzle atomizer, and is located in the middle of the wet wiping cushion of the wet wiping unit and vertically distributed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160558.5A CN110901267B (en) | 2019-11-23 | 2019-11-23 | Atomizing dust-collecting dry-wet dual-purpose blackboard eraser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911160558.5A CN110901267B (en) | 2019-11-23 | 2019-11-23 | Atomizing dust-collecting dry-wet dual-purpose blackboard eraser |
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| CN110901267A CN110901267A (en) | 2020-03-24 |
| CN110901267B true CN110901267B (en) | 2021-02-05 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754904Y (en) * | 2004-06-16 | 2006-02-01 | 甘菊霞 | Multifunctional assembled health-care blackboard eraser with dust collection |
| KR20110118320A (en) * | 2010-04-23 | 2011-10-31 | 김성은 | Eraser for Whiteboard |
| CN107128109A (en) * | 2017-07-03 | 2017-09-05 | 张培国 | A kind of Intelligent blackboard eraser |
| CN206678652U (en) * | 2017-03-03 | 2017-11-28 | 哈尔滨理工大学 | A kind of dust-proof blackboard eraser |
| CN109177608A (en) * | 2018-11-09 | 2019-01-11 | 温岭市新航产品设计有限公司 | A kind of automatic dust-absorbing blackboard brush |
| CN208615590U (en) * | 2018-05-08 | 2019-03-19 | 佛山科学技术学院 | A kind of fully automatic blackboard wipe clean |
| CN109624559A (en) * | 2019-01-28 | 2019-04-16 | 王晨羽 | Multifunction dust removing box |
| CN208896720U (en) * | 2018-07-26 | 2019-05-24 | 成都瑞德利科技有限公司 | A kind of water jet chalk-dust suppression blackboard eraser |
-
2019
- 2019-11-23 CN CN201911160558.5A patent/CN110901267B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754904Y (en) * | 2004-06-16 | 2006-02-01 | 甘菊霞 | Multifunctional assembled health-care blackboard eraser with dust collection |
| KR20110118320A (en) * | 2010-04-23 | 2011-10-31 | 김성은 | Eraser for Whiteboard |
| CN206678652U (en) * | 2017-03-03 | 2017-11-28 | 哈尔滨理工大学 | A kind of dust-proof blackboard eraser |
| CN107128109A (en) * | 2017-07-03 | 2017-09-05 | 张培国 | A kind of Intelligent blackboard eraser |
| CN208615590U (en) * | 2018-05-08 | 2019-03-19 | 佛山科学技术学院 | A kind of fully automatic blackboard wipe clean |
| CN208896720U (en) * | 2018-07-26 | 2019-05-24 | 成都瑞德利科技有限公司 | A kind of water jet chalk-dust suppression blackboard eraser |
| CN109177608A (en) * | 2018-11-09 | 2019-01-11 | 温岭市新航产品设计有限公司 | A kind of automatic dust-absorbing blackboard brush |
| CN109624559A (en) * | 2019-01-28 | 2019-04-16 | 王晨羽 | Multifunction dust removing box |
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|---|---|
| CN110901267A (en) | 2020-03-24 |
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