Dust absorption cleaner head
A technology of vacuuming holes and bottom plates, which is applied in printing, blackboard or slate cleaning devices, office supplies, etc., can solve the problems of sparsely arranged bristles, affecting the effect of erasing, affecting the dust collection rate, etc., and achieves high dust collection rate, wiping The effect of clean board
Inactive Publication Date: 2008-09-17
郑海涛
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Problems solved by technology
At present, brushes are generally used for erasing parts, and the bristles are arranged in a "one" or matrix arrangement. When the bristles are densely arranged, larger particles are not easy to enter the suction holes through the gaps between the bristles, and stay in the bristles, affecting the dust collection rate. The sparse arrangement of bristles greatly affects the erasing effect, which needs to be further improved
Method used
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[0018] Below in conjunction with accompanying drawing and typical embodiment the present invention is described in detail
[0019] Please also see figure 1 , 2 , shown in 3, present exemplary embodiment has a base plate (1), and base plate (1) front has parallel felt groove (5), and felt strip (2) is inlaid in the middle of felt groove (5), and felt groove (5) and felt groove There are large suction holes (6) between (5), and there is a row of small suction holes (7) on the outside of the felt grooves (5) on both sides of the bottom plate (1), and there are brush holes (8) on the outside of the small suction holes (7). ), the bristle holes (8) and the felt groove (5) are in a non-perpendicular and non-parallel inclined state, and there are 4 limit protrusions (11) on the front of the bottom plate (1). The reverse side of the bottom plate (1) is fixedly connected with the back shell (4) by the screw mounting hole (10) at the bottom of the felt groove (5). The back shell (4) i...
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The invention relates to an eraser head with the function of dust collection, comprising a bottom plate (1), a hair felt strip (2), a hairbrush strip (3) and a back cover (4), wherein, a plurality of hair felt grooves (5) are arranged on the front of the bottom plate (1); a hair felt strip (2) is embedded in the middle of the hair felt grooves (5); a large dust collection hole (6) is arranged between the hair felt grooves (5); a row of small dust collection holes (7) are arranged on the both outer sides of the hair felt grooves (5); a brushing hole (8) is arranged on the outer side of the small dust collection holes (7), the brushing hole (8) is in an inclined condition with the hair felt groove (5) without perpendicularity and parallelism; the back cover (4) is connected with the back side of the bottom plate (1), a hose connection interface (9) is arranged on the back cover (4); the arrangement direction of each brushing hair (13) group on the hairbrush strip (3) is in an inclined condition with the brushing board (18) without perpendicularity and parallelism. The invention is the eraser head with the function of dust collection used for the electrical vacuum dust collection device of writing on blackboard and has the advantages of high dust collection rate and more clean of blackboard after erasure.
Description
technical field [0001] The invention relates to a dust-absorbing wipe head, in particular to a dust-absorbing wipe head used in electric vacuum teaching blackboard dust collection equipment, which is used to improve the dust collection rate of the electric vacuum dust collection equipment. Background technique [0002] In teaching activities, chalk is used to write blackboard writing, which must be removed after teaching. The most commonly used tool is a felt blackboard eraser, and dust is always flying in the process of cleaning blackboard writing. In order to eliminate dust hazards, various dust-removing blackboard erasers have appeared, and electric vacuum blackboard dust collection equipment is one of them. In the application of electric vacuum dust collection equipment, the electric vacuum generating device is connected with a dust-absorbing head through a hose. The performance of the dust-absorbing head is crucial to the dust collection rate. , Dust suction hole, conn...
Claims
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IPC IPC(8): B43L21/02
Inventor 郑海涛
Owner 郑海涛