Unlock instant, AI-driven research and patent intelligence for your innovation.
An all-in-one device for lifting and concealing blackboard and projector for teaching
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A projector and integrated technology, which is applied in the field of lifting hidden blackboard for teaching and projector integrated device, can solve the problems of occupying space and equipment separation
Active Publication Date: 2020-06-23
青岛华师智慧科技有限公司
View PDF13 Cites 0 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
[0002] Blackboards and projectors are already necessary equipment for teaching in various schools, but these two devices are separated and take up space. In order to combine the two and save space, a lifting hidden blackboard and projector for teaching is designed. All-in-one device to solve this problem
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
specific Embodiment approach 1
[0040] Combine below figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, and 13 illustrate this implementation mode. The present invention relates to a teaching device, more specifically a lifting hidden blackboard for teaching and a projection Instrument integrated device, including hidden blackboard lifting mechanism 1, projection screen lifting mechanism 2, running track 3, movable projector 4, device shell 5, this device hides blackboard and projector simultaneously, when needing that equipment, can Bring out the separate equipment, and the projector has movable and rotating functions.
[0041] Described hidden blackboard lifting mechanism 1 comprises gear motor 1-1, bevel gear one 1-2, gear fixed rod one 1-3, bevel gear two 1-4, chain one 1-5, moving gear plate 1-6, Gear fixing rod 2 1-7, blackboard 1-8, connecting gear 1 1-9, connecting gear 2 1-10, driving gear 1 1-11, bearing 1 1-12, connecting chain 1-13, longitudinal servo 1 -14, the gear motor 1-1 is located at the l...
specific Embodiment approach 2
[0053] Combine below figure 1 , 2 . 2 are made of bearing steel.
specific Embodiment approach 3
[0055] Combine below figure 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 illustrate this embodiment, and this embodiment will further describe Embodiment 1, the support spring 1-8-2-2 The material is carbon steel.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
PUM
Login to View More
Abstract
The invention relates to a teaching device, in particular to a novel lifting hidden type blackboard and projector integrated device for teaching. The integrated device comprises a hidden blackboard lifting mechanism, a projection screen lifting mechanism, an operation track, a movable projector and a device shell, wherein the blackboard and the projector are hidden at the same time, when the device is required, the independent device can be called out, and the projector has a movable function and a rotating function. The hidden blackboard lifting mechanism is connected with the device shell, and the projection curtain lifting mechanism is connected with the hidden blackboard lifting mechanism, and the operation track is connected with the hidden blackboard lifting mechanism, and the operation track is connected with the projection curtain lifting mechanism, the movable projector and the device shell are connected.
Description
technical field [0001] The invention relates to a teaching device, in particular to an integrated device of a lifting hidden blackboard and a projector for teaching. Background technique [0002] Blackboards and projectors are already necessary equipment for teaching in various schools, but these two devices are separated and take up space. In order to combine the two and save space, a lifting hidden blackboard and projector for teaching is designed. All-in-one device to solve this problem. Contents of the invention [0003] The main technical problem to be solved by the present invention is to provide an integrated device of a lifting hidden blackboard and a projector for teaching. This device hides the blackboard and the projector at the same time. The instrument has movable and rotating functions. [0004] In order to solve the above-mentioned technical problems, the present invention relates to a teaching device, more specifically, an integrated device for teaching a...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to View More 
Login to View More