[x23718-45-2] Dust-absorbing blackboard eraser
[ Abstract] The utility model relates to a dust-absorbing blackboard eraser, which belongs to stationery. It comprises a wiper body arranged in a dust suction hood, the outlet end of the dust suction hood is connected with the inlet of the dust collection box through a hose, and the outlet end of the dust suction hood is connected with a dust remover through a pipeline. It has the advantages of good dust absorption effect, purifying the environment, benefiting the health of teachers and students, and is convenient to use and implement, which is beneficial to popularization and application. It is an ideal appliance for wiping blackboards in various schools.
[x23718-7-3] Vacuum shoe polisher
The vacuum shoe polisher is a light industrial product in the technical field of machinery. Based on the original shoe polisher, it uses a simple mechanical principle and adds an upper polishing wheel, a sole dust removing wheel and a dust collecting device. This constitutes a vacuum shoe polisher, which can not only remove the dirt from the bottom of leather shoes, but also automatically polish the uppers. The dust suction device can purify the air, remove dust, maintain hygiene, effectively improve work efficiency and reduce manual operation. It is an ideal living appliance widely used in homes, hotels, offices and other places. It has simple structure and low manufacturing cost. Wear materials are easy to replace and have beautiful appearance.
[x23718-54-4] Electric dust-absorbing chalk eraser
[ Abstract] This utility model mainly solves the problem of dust pollution caused by wiping the blackboard with ordinary chalk eraser. This utility model consists of a brush board, a dust storage bin, a battery compartment partition and an electrical compartment. The electrical compartment includes a motor, a button switch, an external power socket and other parts, and a fan wheel is fixed on the motor shaft. Turn on the power supply when you hold it. Turn off the power supply when you put it down. This utility model has the characteristics of large brush surface, compact structure, easy maintenance, good dust absorption effect, power saving, etc. It is suitable for wiping blackboards in various teaching, and can also absorb the dust on woolen clothes for vacuum cleaner.
[x23718-113-5] Portable electric variable speed dust absorption board eraser
[ Abstract] It is composed of an eraser 1, a fan 2, a motor 3 and a dust filter sponge 4, etc. It connects the eraser with the motor and the fan through a pair of bevel gears or helical gears 6 with different radii and vertical axis, and its structure is "_ _" shape, and the wiped dust is blown into the dust filter sponge by the fan to avoid dust flying. This utility model is small in size and convenient to carry. Because it is labor-saving, hygienic and easy to make, it has the value of popularization and application.
[x23718-97-6] Dust-absorbing blackboard eraser
[ Abstract] The dust-absorbing blackboard eraser of this utility model is a tool used for sucking chalk powder in teaching. The felt surface of the original blackboard eraser is changed into three felt strips with uniform size and thickness, with a gap of 5 to 6 mm between them, and an ash storage box is arranged at the bottom of the blackboard eraser, so that
[x23718-12-7] automatic box-type dust-collecting blackboard eraser
[ Abstract] The automatic box-type dust-collecting blackboard eraser consists of a small motor, a spring leaf, a rotating head, a circular blackboard eraser, an ash collecting box, a jacket and other parts. When in use, the jacket is contacted with the blackboard surface, the compression spring switch is connected with the power supply, the motor drives the circular blackboard eraser to rotate, erases the chalk characters on the blackboard, and at the same time transports the powder ash to the ash collection box; when not in use, the jacket is separated from the blackboard surface, the power supply is cut off by the spring, and the blackboard eraser stops working. The device has the advantages of automatic ash removal, avoiding environmental pollution and being beneficial to the health of teachers and students.
[x23718-96-8] Dust-absorbing board eraser for electric vacuum cleaner
[ Abstract] The utility model is a part of electric vacuum cleaner, and relates to a dust-absorbing board eraser for electric vacuum cleaner. It consists of a shell 3, a suction pipe joint 1 and a cover plate 5. A suction pipe joint 1 is arranged in the suction hole 2 in the center of the upper part of the shell 3, and a cover plate 5 with air inlet holes 6 and 7 is arranged in the concave step of the end face at the opening of the lower part of the shell 3, and a felt strip 4 is stuck on the surface of the cover plate 5. The utility model has the advantages that dirt and dust accumulated on the dust suction surface can be removed and sucked into the vacuum cleaner at the same time. It can be used as an electric dust-collecting blackboard eraser for both home and school classrooms.
[x23718-77-9] Dust absorption board eraser
[ Abstract] The utility model belongs to the dust absorption board eraser in stationery. It comprises an upper cover, a shell, a roller and a fixing piece. The roller is equipped with felt or various materials for adsorbing dust. After the dust is adsorbed, it enters the shell with the roller, and then the dust is scraped into the shell by the powder scraping ribs.
[x23718-81-1] Dust-sucking blackboard eraser without power supply
[ Abstract] The utility model relates to a dust-sucking blackboard eraser without power supply. When in use, as long as the eraser moves on the blackboard surface, it will drive the last friction wheel of the eraser to rotate, so that the acceleration inertia mechanism in the eraser drives the dust suction air pump to rotate at high speed, thereby sucking chalk dust into the dust collection bin in the eraser, and the eraser has the advantages of simple structure, low cost, simple operation and convenient popularization.
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