Pneumatic retractable luminous teaching stick
A telescopic and teaching stick technology, which is applied to the semiconductor devices of light-emitting elements, teaching aids, light sources, etc., can solve the problems that the teaching sticks cannot be stretched, the teaching sticks cannot be illuminated, and the teaching sticks are not convenient to carry, so as to improve the teaching quality , easy to manufacture and use, simple structure
Active Publication Date: 2020-12-18
CHONGQING BEIJING TECH RES & DEV
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Problems solved by technology
[0002] At present, the teaching sticks used by teachers in lectures are all non-stretchable and non-luminous teaching sticks; making the teaching sticks inconvenient to carry
Method used
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[0025] The pneumatic telescopic luminous teaching stick of the present invention mainly includes an airbag handle 1, an inner buckle type telescopic joint 2, a retractable joint tip 4, and a light emitter 9;
[0026] 2 inner buckle expansion joints of a model with a larger inner diameter are buckled on the outside of an inner buckle expansion joint 2 of a smaller inner diameter model, and the inner buckle expansion joint 2 of a smaller inner diameter has no convex end of the outer ring, and one with a larger inner diameter After the inner cavity of the inner buckle expansion joint 2 of the model passes through the inner buckle ring hole, the outside of the end of the inner buckle expansion joint 2 with a larger model without the outer ring protrusion is exposed; the inner buckle expansion joint with a smaller inner diameter 2 The inner buckle expansion joint 2 of a model with a larger inner diameter can slide in the inner cavity, and the inner buckle expansion joint 2 of a mode...
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The invention discloses a pneumatic expansion light emitting teaching stick, and belongs to the field of teaching appliances. The end, with an outer annular protrusion, of an inner buckle type expansion joint with the largest outer diameter is sleeved with a bag neck of an airbag handle. The inner buckle type expansion joint with the larger one inner diameter is buckled on the inner buckle type expansion joint with the smaller one inner diameter in a sleeving mode. An inner annular protrusion limits the distance of the outer annular protrusion when the inner buckle expansion joint retracts; an expansion joint tip is installed inside an inner cavity of the final inner buckle type expansion joint. A pneumatic film, an insulation spacer, a contact head and an illuminator are fixedly arranged in an inner cavity of the expansion joint tip, and a cell is installed in the inner cavity of the expansion joint tip. The pneumatic expansion light emitting teaching stick is simple in structure, and convenient to manufacture and use, the functions of the teaching stick and the function of illumination are integrated, the teaching stick can expand or retract freely according to the intention of a user, and the teaching stick can automatically turn on an illumination switch after being expanded and can automatically turn off the illumination switch when being retracted; a teacher can use the teaching stick with hands with high proficiency, the attention of students is concentrated, and the teaching quality is improved.
Description
technical field [0001] The invention relates to a pneumatic retractable luminous teaching stick in the field of teaching sticks. Background technique [0002] At present, the teaching sticks used by teachers during lectures are all non-stretchable and non-luminous teaching sticks; causing the teaching sticks to be inconvenient to carry. For this reason, through years of research and practice, we have designed a teaching stick that can be stretched or shortened according to the user's mind and cannot emit light. Contents of the invention [0003] The object of the present invention is to provide a pneumatic retractable luminous teaching stick and its manufacturing method which can be extended or shortened according to the user's will, and which can be used to intensify the indication of characters or patterns on the blackboard with light. [0004] In order to achieve the above purpose, the pneumatic telescopic luminous teaching stick according to the present invention main...
Claims
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IPC IPC(8): G09B17/02F21V33/00F21V23/04F21Y115/10
CPCF21V23/0414F21V33/0048G09B17/02
Inventor 徐山薇徐刚徐勇
Owner CHONGQING BEIJING TECH RES & DEV