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Hopper for teaching

A funnel and ontology technology, applied in the field of teaching accessories, can solve problems such as unreasonable structural design and achieve a reasonable design effect

Inactive Publication Date: 2016-06-15
王玲燕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] What the present invention aims to solve is the problem of unreasonable structural design of some existing teaching funnels

Method used

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  • Hopper for teaching

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0009] As shown in the figure, the present invention includes a body 2, the body 2 is a bell-mouth structure, which is wide at the top and narrow at the bottom. The inside of the body 2 is a hollow structure, and the upper part of the body 2 is an opening. The bottom of the body 2 is provided with a through hole 1 , and the upper outer ring of the body 2 is provided with a fixing ear 4 , and the fixing ear 4 is provided with a fixing hole 2 .

[0010] The inner and outer surfaces of the body 2 are provided with a protective layer.

[0011] The process of the protective layer includes epoxy resin, pigments and fillers, curing agent, chlorosulfonated polyethylene solution, the curing agent is resin enamine, the weight ratio: epoxy resin 20-40%, Pigment and filler 30-50%, curing agent 5-10%, chlorosulfonated polyethylene solution 10-20%.

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Abstract

The invention discloses a hopper for teaching. The hopper comprises a body which is of a horn mouth structure with wide top and narrow bottom; the interior of the body is of a hollow structure, an opening is formed in the upper portion of the body, a through hole is formed in the bottom of the body, a fixing lug is arranged on an outer ring of the upper portion of the body, and a fixing hole is formed in the fixing lug. The hopper has the beneficial effects of being reasonable in structural design.

Description

technical field [0001] The invention relates to a teaching accessory, in particular to a teaching funnel. Background technique [0002] Some teaching funnels on the existing market have unreasonable structural design. Contents of the invention [0003] The purpose of the invention is to design a kind of funnel for teaching. [0004] What the present invention aims to solve is the problem that some existing teaching funnels have unreasonable structural design. [0005] The technical solution of the present invention is: it includes a body, the body is a bell mouth structure, which is a wide upper and narrower structure, the inside of the body is a hollow structure, the upper part of the body is an opening, and the bottom of the body is set There are through holes, the upper outer ring of the body is provided with fixing ears, and the fixing ears are provided with fixing holes. [0006] The beneficial effects of the invention are: reasonable design. Description of drawi...

Claims

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Application Information

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IPC IPC(8): B67C11/02
CPCB67C11/02B67C2011/30
Inventor 陆霞芸
Owner 王玲燕