CN211764567U - Deep cleaning self-suction blackboard eraser - Google Patents

Deep cleaning self-suction blackboard eraser Download PDF

Info

Publication number
CN211764567U
CN211764567U CN202020333785.5U CN202020333785U CN211764567U CN 211764567 U CN211764567 U CN 211764567U CN 202020333785 U CN202020333785 U CN 202020333785U CN 211764567 U CN211764567 U CN 211764567U
Authority
CN
China
Prior art keywords
dust
blackboard eraser
assembly
deep cleaning
spraying
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.)
Expired - Fee Related
Application number
CN202020333785.5U
Other languages
Chinese (zh)
Inventor
李学军
李�昊
于皓宇
李�杰
李明晶
刘冬梅
李琛燕
席志远
邓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun University
Original Assignee
Changchun University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changchun University filed Critical Changchun University
Priority to CN202020333785.5U priority Critical patent/CN211764567U/en
Application granted granted Critical
Publication of CN211764567U publication Critical patent/CN211764567U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

本实用新型公开了一种深度清洁自吸式黑板擦,包括:壳体、除尘辊组件、吸尘组件、喷雾组件和擦尘布,除尘辊组件和擦尘布分别设置在壳体底部的两侧,吸尘组件和喷雾组件设置在壳体内部,壳体底部的中部设有与喷雾组件连通的喷雾口。在使用时,除尘辊组件先进行预除尘处理,去除掉的大部分粉尘被吸尘组件所吸附,然后喷雾组件对除尘辊组件去除后的黑板区域进行喷雾,最后再通过擦尘布对黑板上的喷雾区域进行擦拭,以达到深度清洁的效果,从而避免粉尘四散的问题出现。

Figure 202020333785

The utility model discloses a deep cleaning self-priming type blackboard eraser, which comprises a casing, a dust removal roller assembly, a dust suction assembly, a spray assembly and a dust cloth. On the side, the dust collecting assembly and the spraying assembly are arranged inside the casing, and the middle part of the bottom of the casing is provided with a spraying port that communicates with the spraying assembly. When in use, the dust removal roller assembly is pre-dusted first, and most of the removed dust is absorbed by the dust collection assembly, and then the spray assembly sprays the blackboard area after the dust removal roller assembly is removed, and finally the blackboard is cleaned by the dust cloth. The spray area is wiped to achieve the effect of deep cleaning, so as to avoid the problem of scattered dust.

Figure 202020333785

Description

一种深度清洁自吸式黑板擦A deep cleaning self-priming blackboard eraser

技术领域technical field

本实用新型涉及教学器材技术领域,特别涉及一种深度清洁自吸式黑板擦。The utility model relates to the technical field of teaching equipment, in particular to a deep cleaning self-priming blackboard eraser.

背景技术Background technique

在教学过程中,通常需要使用黑板擦对黑板进行清洁,在黑板擦饱和之后,会有大量的粉尘随着黑板擦的移动漂浮在空中,容易对师生们的身体健康造成不良影响。In the teaching process, it is usually necessary to use a blackboard eraser to clean the blackboard. After the blackboard eraser is saturated, a large amount of dust will float in the air with the movement of the blackboard eraser, which will easily cause adverse effects on the health of teachers and students.

现有的黑板擦主要是由毛毡制成,除尘效果一般,且除尘之后黑板上会残余有白膜,对重复书写造成很大不便。The existing blackboard eraser is mainly made of felt, and the dust removal effect is average, and white film remains on the blackboard after dust removal, which causes great inconvenience to repeated writing.

因此,如何提供一种清洁效果好的黑板擦,是本领域技术人员目前需要解决的技术问题。Therefore, how to provide a blackboard eraser with good cleaning effect is a technical problem to be solved by those skilled in the art.

实用新型内容Utility model content

有鉴于此,本实用新型的目的是提供一种深度清洁自吸式黑板擦,能够有效提高清洁效果。In view of this, the purpose of the present invention is to provide a self-priming blackboard eraser for deep cleaning, which can effectively improve the cleaning effect.

为实现上述目的,本实用新型提供如下技术方案:To achieve the above object, the utility model provides the following technical solutions:

一种深度清洁自吸式黑板擦,包括:壳体、除尘辊组件、吸尘组件、喷雾组件和擦尘布;所述除尘辊组件和所述擦尘布分别设置在所述壳体底部的两侧,所述吸尘组件和所述喷雾组件设置在所述壳体内部,所述吸尘组件用于吸附由所述除尘辊组件去除的粉尘,所述壳体底部的中部设有与所述喷雾组件连通的喷雾口,所述喷雾组件用于对经过所述除尘辊组件去除的黑板区域进行喷雾,所述擦尘布用于对黑板上的喷雾区域进行擦拭。A self-priming blackboard eraser for deep cleaning, comprising: a casing, a dust-removing roller assembly, a dust-absorbing assembly, a spraying assembly and a dust-wiping cloth; the dust-removing roller assembly and the dust-wiping cloth are respectively arranged at the bottom of the casing. On both sides, the dust suction assembly and the spray assembly are arranged inside the casing, the dust suction assembly is used to absorb the dust removed by the dust removal roller assembly, and the middle part of the bottom of the casing is provided with the A spray port communicated with the spray assembly, the spray assembly is used for spraying the blackboard area removed by the dust removal roller assembly, and the dust wiping cloth is used for wiping the spray area on the blackboard.

优选地,所述擦尘布的两端通过转轴铰接在所述壳体底部,所述壳体侧部设有用于控制所述转轴转动的调节件。Preferably, both ends of the cleaning cloth are hinged to the bottom of the casing through a rotating shaft, and an adjusting member for controlling the rotation of the rotating shaft is provided on the side of the casing.

优选地,所述喷雾组件包括加压泵和给水仓,所述加压泵用以将所述给水仓内的水通过所述喷雾口喷洒在黑板上,所述壳体上还设有用以给所述给水仓加水的注水口。Preferably, the spray assembly includes a pressurized pump and a water supply bin, the pressurized pump is used to spray the water in the water supply bin on the blackboard through the spray port, and a The water injection port for adding water to the water tank.

优选地,所述除尘辊组件包括毛毡辊和铰支座,所述铰支座设置在所述壳体的底部的前后两侧,所述毛毡辊的两端铰接在所述铰支座上。Preferably, the dust-removing roller assembly includes a felt roller and a hinge support, the hinge support is disposed on the front and rear sides of the bottom of the casing, and both ends of the felt roller are hinged on the hinge support.

优选地,所述壳体上还设有刮板,所述刮板用于刮去所述毛毡辊上的粉尘。Preferably, the casing is further provided with a scraper, and the scraper is used for scraping off the dust on the felt roller.

优选地,所述吸尘组件包括储灰盒和风机,所述风机用于将由所述刮板刮下的粉尘吸至所述储灰盒中。Preferably, the dust suction assembly includes an ash storage box and a fan, and the fan is used for sucking the dust scraped by the scraper into the ash storage box.

优选地,所述储灰盒和所述风机之间设有过滤网。Preferably, a filter screen is provided between the ash storage box and the fan.

优选地,所述储灰盒可拆卸连接在所述壳体内。Preferably, the ash box is detachably connected in the housing.

优选地,所述壳体的上部设有把手。Preferably, the upper part of the housing is provided with a handle.

优选地,所述壳体底部的边角处设有弹性滚珠。Preferably, elastic balls are provided at the corners of the bottom of the casing.

与现有技术相比,上述技术方案具有以下优点:Compared with the prior art, the above technical solution has the following advantages:

本实用新型所提供的一种深度清洁自吸式黑板擦,包括:壳体、除尘辊组件、吸尘组件、喷雾组件和擦尘布,除尘辊组件和擦尘布分别设置在壳体底部的两侧,吸尘组件和喷雾组件设置在壳体内部,壳体底部的中部设有与喷雾组件连通的喷雾口。在使用时,除尘辊组件先进行预除尘处理,去除掉的大部分粉尘被吸尘组件所吸附,然后喷雾组件对除尘辊组件去除后的黑板区域进行喷雾,最后再通过擦尘布对黑板上的喷雾区域进行擦拭,以达到深度清洁的效果,从而避免粉尘四散的问题出现。The deep cleaning self-priming blackboard eraser provided by the utility model comprises: a casing, a dust removal roller assembly, a dust suction assembly, a spray assembly and a dust cloth, wherein the dust removal roller assembly and the dust cloth are respectively arranged on the bottom of the casing. On both sides, the dust collecting assembly and the spraying assembly are arranged inside the casing, and the middle part of the bottom of the casing is provided with a spraying port communicating with the spraying assembly. When in use, the dust removal roller assembly is pre-dusted first, and most of the removed dust is absorbed by the dust collection assembly, and then the spray assembly sprays the area of the blackboard after the removal of the dust removal roller assembly, and finally the blackboard is cleaned by the dust cloth. The spray area is wiped to achieve the effect of deep cleaning, so as to avoid the problem of scattered dust.

附图说明Description of drawings

为了更清楚地说明本实用新型实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据提供的附图获得其他的附图。In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative efforts.

图1为本实用新型一种具体实施方式所提供的一种深度清洁自吸式黑板擦的上部结构示意图;1 is a schematic view of the upper structure of a deep cleaning self-priming blackboard eraser provided by a specific embodiment of the present invention;

图2为本实用新型一种具体实施方式所提供的一种深度清洁自吸式黑板擦的底部结构示意图。2 is a schematic diagram of the bottom structure of a deep cleaning self-priming blackboard eraser provided by a specific embodiment of the present invention.

附图标记如下:The reference numbers are as follows:

1为壳体,2为电源模块,3为充电口,4为开关,5为擦尘布,6为弹性滚珠,7为转轴,8为喷雾口,9为刮板,10为毛毡辊,11为滚轮,12为吸尘口,13为铰支座,14为储灰盒,15为风机,16为加压泵,17为注水口,18为给水仓,19为旋钮,20为卡槽,21为把手。1 is the shell, 2 is the power module, 3 is the charging port, 4 is the switch, 5 is the dust cloth, 6 is the elastic ball, 7 is the rotating shaft, 8 is the spray port, 9 is the scraper, 10 is the felt roller, 11 is the roller, 12 is the dust suction port, 13 is the hinge support, 14 is the ash storage box, 15 is the fan, 16 is the pressure pump, 17 is the water injection port, 18 is the water supply bin, 19 is the knob, and 20 is the card slot. 21 is the handle.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

请参考图1和图2,图1为本实用新型一种具体实施方式所提供的一种深度清洁自吸式黑板擦的上部结构示意图;图2为本实用新型一种具体实施方式所提供的一种深度清洁自吸式黑板擦的底部结构示意图。Please refer to FIG. 1 and FIG. 2, FIG. 1 is a schematic diagram of the upper structure of a deep cleaning self-priming blackboard eraser provided by a specific embodiment of the present invention; FIG. 2 is a schematic diagram of a specific embodiment of the present invention. A schematic diagram of the bottom structure of a deep cleaning self-priming blackboard eraser.

本实用新型实施例所提供的一种深度清洁自吸式黑板擦,包括:壳体1、除尘辊组件、吸尘组件、喷雾组件和擦尘布5;其中壳体1优选长方体结构,除尘辊组件和擦尘布5分别设置在壳体1底部的两侧,吸尘组件和喷雾组件设置在壳体1内部,壳体1底部的中部设有与喷雾组件连通的喷雾口8,即喷雾口8设置在除尘辊组件和擦尘布5之间。在使用时,除尘辊组件先进行预除尘处理,去除掉的大部分粉尘被吸尘组件所吸附,然后喷雾组件对除尘辊组件去除后的黑板区域进行喷雾,最后再通过擦尘布5对黑板上的喷雾区域进行擦拭,以达到深度清洁的效果,从而避免粉尘四散的问题出现。A self-priming blackboard eraser for deep cleaning provided by the embodiment of the present utility model includes: a casing 1, a dust removal roller assembly, a dust suction assembly, a spray assembly and a cleaning cloth 5; wherein the casing 1 is preferably a cuboid structure, and the dust removal roller The assembly and the wiping cloth 5 are respectively arranged on both sides of the bottom of the casing 1, the dust suction assembly and the spraying assembly are arranged inside the casing 1, and the middle of the bottom of the casing 1 is provided with a spray port 8 that communicates with the spray assembly, that is, the spray port 8 is set between the dust-removing roller assembly and the dust-wiping cloth 5 . When in use, the dust removal roller assembly is pre-dusted first, and most of the removed dust is absorbed by the dust collection assembly, and then the spray assembly sprays the blackboard area after the removal of the dust removal roller assembly, and finally the blackboard is cleaned by the cleaning cloth 5. The spray area on the top is wiped to achieve a deep cleaning effect, thereby avoiding the problem of scattered dust.

进一步地,擦尘布5的两端通过转轴7铰接在壳体1底部,壳体1侧部设有用于控制转轴7转动的调节件。通过调节件和转轴7可控制擦尘布5翻转,以达到充分利用擦尘布5的目的,具体地,调节件优选为旋钮19,另外为了提高擦尘布5的擦拭效果,转轴7上设有一块安装板,擦尘布5可平铺固定在安装板上,安装板可跟随转轴7转动,因此通过转动旋钮19可对擦尘布5进行翻转。此外可通过嵌入壳体1内部的可拆卸卡槽20实现擦尘布5的更换。Further, both ends of the cleaning cloth 5 are hinged to the bottom of the casing 1 through the rotating shaft 7 , and the side of the casing 1 is provided with an adjusting member for controlling the rotation of the rotating shaft 7 . The dust-wiping cloth 5 can be controlled to be turned over by the adjusting member and the rotating shaft 7, so as to achieve the purpose of making full use of the dust-wiping cloth 5. Specifically, the adjusting member is preferably a knob 19. In addition, in order to improve the wiping effect of the dust-wiping cloth 5, the rotating shaft 7 is provided with a knob 19. There is a mounting plate on which the dust-wiping cloth 5 can be flatly fixed, and the mounting plate can rotate along with the rotating shaft 7 , so the dust-wiping cloth 5 can be turned over by turning the knob 19 . In addition, the replacement of the dust cloth 5 can be realized through the removable card slot 20 embedded in the casing 1 .

具体地,喷雾组件包括加压泵16和给水仓18,加压泵16用以将给水仓18内的水通过喷雾口8喷洒在黑板上,壳体1上还设有注水口17,当给水仓18内水量不足时,可通过注水口17加水,其中喷雾口8的结构优选呈长条状均布在壳体1底部的细孔。Specifically, the spray assembly includes a pressurized pump 16 and a water supply bin 18. The pressurized pump 16 is used to spray the water in the water supply bin 18 on the blackboard through the spray port 8. The housing 1 is also provided with a water injection port 17. When the amount of water in the bin 18 is insufficient, water can be added through the water injection port 17 .

具体地,除尘辊组件包括毛毡辊10和铰支座13,铰支座13设置在壳体1的底部的前后两侧,毛毡辊10的两端铰接在铰支座13上,其中为了便于更换毛毡辊10,可将毛毡辊10的一端轴向可拆卸连接在滚轮11上,滚轮11铰接在铰支座13上,当需要更换毛毡辊10时,将毛毡辊10严滚轮11的轴向方向取下进行更换即可。为了提高除尘效果,铰支座13上铰接有多个并排平行设置的毛毡辊10,而且擦尘布5与毛毡辊10平行安装,此外铰支座13优选为镂空结构,吸尘组件可通过镂空结构的铰接座中的吸尘口12进行吸附,由于粉尘在重力的作用下会向下落,因此通过铰支座13上的吸尘口12能够提高吸尘效果。Specifically, the dust removal roller assembly includes a felt roller 10 and a hinge support 13. The hinge support 13 is provided on the front and rear sides of the bottom of the casing 1, and both ends of the felt roller 10 are hinged on the hinge support 13. In order to facilitate replacement For the felt roller 10, one end of the felt roller 10 can be detachably connected to the roller 11 in the axial direction, and the roller 11 is hinged on the hinge support 13. When the felt roller 10 needs to be replaced, the felt roller 10 must be adjusted to the axial direction of the roller 11. Remove and replace. In order to improve the dust removal effect, the hinge support 13 is hinged with a plurality of felt rollers 10 arranged side by side in parallel, and the cleaning cloth 5 is installed in parallel with the felt roller 10. In addition, the hinge support 13 is preferably a hollow structure, and the dust suction assembly can pass through the hollow structure. The dust suction port 12 in the hinge base of the structure performs adsorption, and since the dust will fall down under the action of gravity, the dust suction port 12 on the hinge support 13 can improve the dust suction effect.

进一步地,壳体1上还设有刮板9,刮板9用于刮去毛毡辊10上的粉尘,通过刮板9能够提高毛毡辊10的除尘效果。刮板9下方设有吸尘口12,该吸尘口12指的是镂空式铰支座13上的吸尘口12,吸尘组件可通过吸尘口12吸附由刮板9刮去的粉尘。Further, the casing 1 is further provided with a scraper 9 , which is used for scraping off the dust on the felt roller 10 , and the dust removal effect of the felt roller 10 can be improved by the scraper 9 . A dust suction port 12 is provided below the scraper 9 , the dust suction port 12 refers to the dust suction port 12 on the hollow hinge support 13 , and the dust suction assembly can absorb the dust scraped by the scraper 9 through the dust suction port 12 .

具体地,吸尘组件包括储灰盒14和风机15,风机15用于将由刮板9刮下的粉尘吸至储灰盒14中,风机15安装在储灰盒14上部,且与外界大气相通,其中风机15和加压泵16的额定电压优选为12V,用于给风机15和加压泵16供电的电源模块2可拆卸连接在壳体1内,电源开关4设置在壳体1的侧壁上,用于给电源模块2充电的充电口3也设置在壳体1的侧壁上。为了防止粉尘进入到风机15中,储灰盒14和风机15之间设有过滤网。Specifically, the dust suction assembly includes an ash storage box 14 and a fan 15. The fan 15 is used to suck the dust scraped by the scraper 9 into the ash storage box 14. The fan 15 is installed on the upper part of the ash storage box 14 and communicates with the outside atmosphere. , wherein the rated voltage of the fan 15 and the booster pump 16 is preferably 12V, the power module 2 for supplying power to the fan 15 and the booster pump 16 is detachably connected in the casing 1, and the power switch 4 is arranged on the side of the casing 1. On the wall, the charging port 3 for charging the power module 2 is also arranged on the side wall of the housing 1 . In order to prevent dust from entering the fan 15 , a filter screen is provided between the ash storage box 14 and the fan 15 .

为了便于教师使用黑板擦,壳体1的上部设有把手21,把手21外部设有防滑橡胶,以提高舒适度,另外把手21上设有握持标识,以便于提醒教师黑板擦的擦拭方向,此外通过把手21,可将黑板擦悬挂于黑板周围,以方便使用和放置。In order to facilitate teachers to use the blackboard eraser, the upper part of the housing 1 is provided with a handle 21, and the outside of the handle 21 is provided with anti-slip rubber to improve comfort. In addition, the handle 21 is provided with a holding mark to remind teachers of the wiping direction of the blackboard eraser. In addition, through the handle 21, the blackboard eraser can be hung around the blackboard for convenient use and placement.

进一步地,壳体1底部的边角处设有弹性滚珠6,通过弹性滚珠6便于教师移动黑板擦,以达到省力的目的。Further, elastic balls 6 are provided at the corners of the bottom of the housing 1 , and the elastic balls 6 are used to facilitate the teacher to move the blackboard eraser, so as to achieve the purpose of saving labor.

本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

以上对本实用新型所提供的一种深度清洁自吸式黑板擦进行了详细介绍。本文中应用了具体个例对本实用新型的原理及实施方式进行了阐述,以上实施例的说明只是用于帮助理解本实用新型的方法及其核心思想。应当指出,对于本技术领域的普通技术人员来说,在不脱离本实用新型原理的前提下,还可以对本实用新型进行若干改进和修饰,这些改进和修饰也落入本实用新型权利要求的保护范围内。The deep cleaning self-priming blackboard eraser provided by the present invention has been described in detail above. The principles and implementations of the present utility model are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range.

Claims (10)

1. A deep cleaning self-suction blackboard eraser is characterized by comprising: the dust removing device comprises a shell, a dust removing roller assembly, a dust collecting assembly, a spraying assembly and a dust wiping cloth; dust removal roller subassembly with dust cloth sets up respectively the both sides of casing bottom, the dust absorption subassembly with the spraying subassembly sets up inside the casing, the dust absorption subassembly be used for adsorb by the dust that dust removal roller subassembly got rid of, the middle part of casing bottom be equipped with the nozzle of spraying subassembly intercommunication, the spraying subassembly is used for the process the blackboard area that dust removal roller subassembly got rid of sprays, dust cloth is used for cleaning the spraying area on the blackboard.
2. The deep cleaning self-suction blackboard eraser as claimed in claim 1, wherein two ends of the dust cloth are hinged to the bottom of the housing through a rotating shaft, and an adjusting member for controlling the rotation of the rotating shaft is arranged on the side of the housing.
3. The deep-cleaning self-suction blackboard eraser as claimed in claim 1, wherein the spraying assembly comprises a pressure pump and a water supply bin, the pressure pump is used for spraying water in the water supply bin onto a blackboard through the spraying port, and the housing is further provided with a water filling port for adding water to the water supply bin.
4. The deep cleaning self-suction blackboard eraser according to claim 1, wherein the dust removing roller assembly comprises a felt roller and hinged supports, the hinged supports are arranged on the front side and the rear side of the bottom of the housing, and two ends of the felt roller are hinged on the hinged supports.
5. The deep cleaning self-suction blackboard eraser as claimed in claim 4, wherein a scraper is further provided on the housing for scraping off dust on the felt roller.
6. The deep cleaning self-suction blackboard eraser according to claim 5, wherein the dust suction assembly comprises a dust storage box and a fan for sucking the dust scraped by the scraper into the dust storage box.
7. The deep cleaning self-suction blackboard eraser as claimed in claim 6, wherein a filter screen is arranged between the dust storage box and the fan.
8. The deep cleaning self-priming blackboard eraser according to claim 6, wherein the dust storage box is detachably connected in the housing.
9. The deep cleaning self-suction blackboard eraser according to claim 1, wherein a handle is provided at an upper portion of the housing.
10. The deep cleaning self-suction blackboard eraser as claimed in any one of claims 1 to 9, wherein the corners of the bottom of the housing are provided with elastic balls.
CN202020333785.5U 2020-03-17 2020-03-17 Deep cleaning self-suction blackboard eraser Expired - Fee Related CN211764567U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020333785.5U CN211764567U (en) 2020-03-17 2020-03-17 Deep cleaning self-suction blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020333785.5U CN211764567U (en) 2020-03-17 2020-03-17 Deep cleaning self-suction blackboard eraser

Publications (1)

Publication Number Publication Date
CN211764567U true CN211764567U (en) 2020-10-27

Family

ID=72930642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020333785.5U Expired - Fee Related CN211764567U (en) 2020-03-17 2020-03-17 Deep cleaning self-suction blackboard eraser

Country Status (1)

Country Link
CN (1) CN211764567U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112657946A (en) * 2020-12-02 2021-04-16 深圳市华星光电半导体显示技术有限公司 Cleaning device and exposure machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112657946A (en) * 2020-12-02 2021-04-16 深圳市华星光电半导体显示技术有限公司 Cleaning device and exposure machine

Similar Documents

Publication Publication Date Title
CN210766579U (en) Road surface cleaning tool
CN211764567U (en) Deep cleaning self-suction blackboard eraser
CN107774601B (en) A blackboard eraser dust-free cleaning device
CN219442595U (en) End face cleaning device for stacking squeeze plates
CN206086092U (en) Business administration teaching assistance board of imparting knowledge to students
CN108790512A (en) A kind of fully automatic blackboard wipe clean
CN221835177U (en) Intelligent blackboard cleaning device
CN107031242A (en) Driven dust-free formula erasing type blackboard
CN205112786U (en) Multifunctional blackboard eraser
CN2048431U (en) Crawler Type Dust Collection Blackboard Eraser
CN107297982B (en) A kind of Self-cleaning blackboard wiping
CN201300620Y (en) Rolling blackboard
CN211994901U (en) Dust-free blackboard eraser
CN211280434U (en) An environmentally friendly dust wiper
CN209647131U (en) A kind of high school mathematics compasses cleaning device
CN211839186U (en) A blackboard wiper dust-free cleaning device
CN214984452U (en) Push-and-pull blackboard convenient to clearance is collected to ash of writing
CN219312381U (en) Blackboard with automatic wiping function
CN201148081Y (en) Automatic dust-removing blackboard eraser apparatus
CN218315994U (en) A blackboard eraser with built-in vacuum function
CN222040080U (en) A portable magnetic blackboard
CN221913864U (en) Blackboard capable of automatically removing chalk marks
CN207644028U (en) A kind of efficient electric blackboard eraser
CN107244169B (en) A kind of cleaning chalkboard eraser
CN112026413A (en) Roller type blackboard eraser

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: 20201027

Termination date: 20210317

CF01 Termination of patent right due to non-payment of annual fee