阅读说明：本技术 一种声乐教学用黑板 (Blackboard is used in vocal music teaching ) 是由 李娉 谢晓娣 张锋锋 于 2020-06-15 设计创作，主要内容包括：本发明涉及一种声乐教学用黑板,它包括黑板本体,所述的黑板本体的左右两侧分别连接有安装架,所述的安装架内设置有导向轴,所述的导向轴上连接有安装座,所述的安装座的内侧面上设置有安装槽,所述的安装槽内滑动的设置有滑块,所述的滑块的内侧面上设置有卡槽,所述的卡槽内设置有划线尺,所述的安装槽内安装座的顶端面与滑块的顶端面之间设置有压缩弹簧；总的,本发明具有结构设计合理、操作使用方便的优点。(The invention relates to a blackboard for vocal music teaching, which comprises a blackboard body, wherein the left side and the right side of the blackboard body are respectively connected with a mounting frame, a guide shaft is arranged in the mounting frame, the guide shaft is connected with a mounting seat, the inner side surface of the mounting seat is provided with a mounting groove, a sliding block is arranged in the mounting groove in a sliding manner, the inner side surface of the sliding block is provided with a clamping groove, a marking ruler is arranged in the clamping groove, and a compression spring is arranged between the top end surface of the mounting seat and the top end surface of the sliding block in the mounting groove; in summary, the invention has the advantages of reasonable structural design and convenient operation and use.)

1. The utility model provides a blackboard is used in vocal music teaching, it includes the blackboard body, its characterized in that: the left and right sides of blackboard body be connected with the mounting bracket respectively, the mounting bracket in be provided with the guiding axle, the guiding axle on be connected with the mount pad, the medial surface of mount pad on be provided with the mounting groove, the mounting groove gliding be provided with the slider, the medial surface of slider on be provided with the draw-in groove, the draw-in groove in be provided with the marking ruler, the mounting groove in be provided with compression spring between the top face of mount pad and the top face of slider.

2. The blackboard for vocal music teaching according to claim 1, characterized in that: friction pads are arranged on the areas, corresponding to the sliding blocks, on the lower surface of the sliding block and the upper surface of the blackboard body.

3. The blackboard for vocal music teaching according to claim 1, characterized in that: and the front side surface and the rear side surface of the sliding block outside the mounting seat are respectively provided with an operation bulge.

4. The blackboard for vocal music teaching according to claim 1, characterized in that: the marking ruler is connected with the clamping groove in a sliding mode, and an elastic pad is fixed on the inner side face of the clamping groove.

5. The blackboard for vocal music teaching according to claim 1, characterized in that: the included angle between the upper surface of the scribing ruler and the upper surface of the blackboard body is larger than 90 degrees.

6. The blackboard for vocal music teaching according to claim 1, characterized in that: the blackboard is characterized in that the upper surface of the blackboard body is provided with scale marks close to the left end and the right end.

Technical Field

The invention belongs to the technical field of teaching equipment, and particularly relates to a blackboard for vocal music teaching.

Background

The blackboard is a necessary teaching tool in the teaching process of teachers, in the teaching of vocal music, in order to facilitate the standardization of the staff, the vocal music teachers often need to draw five lines on the blackboard, and the five lines are often drawn by the vocal music teachers in free hands, the parallel degree and the spacing distance are difficult to be measured and controlled by hands and eyes, so that the drawn staff is irregular and unattractive, and the teaching quality is influenced; therefore, it is very necessary to provide a blackboard for vocal music teaching with reasonable structural design and convenient operation and use.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the blackboard for vocal music teaching, which is reasonable in structural design and convenient to operate and use.

The purpose of the invention is realized as follows: the utility model provides a blackboard is used in vocal music teaching, it includes the blackboard body, the left and right sides of blackboard body be connected with the mounting bracket respectively, the mounting bracket in be provided with the guiding axle, the guiding axle on be connected with the mount pad, the medial surface of mount pad on be provided with the mounting groove, the mounting groove gliding be provided with the slider, the medial surface of slider on be provided with the draw-in groove, the draw-in groove in be provided with the rule, the mounting groove in be provided with compression spring between the top face of mount pad and the top face of slider.

Friction pads are arranged on the areas, corresponding to the sliding blocks, on the lower surface of the sliding block and the upper surface of the blackboard body.

And the front side surface and the rear side surface of the sliding block outside the mounting seat are respectively provided with an operation bulge.

The marking ruler is connected with the clamping groove in a sliding mode, and an elastic pad is fixed on the inner side face of the clamping groove.

The included angle between the upper surface of the scribing ruler and the upper surface of the blackboard body is larger than 90 degrees.

The blackboard is characterized in that the upper surface of the blackboard body is provided with scale marks close to the left end and the right end.

The invention has the beneficial effects that: according to the invention, the scribing ruler is arranged on the working surface of the blackboard body, two ends of the scribing ruler are fixed in the clamping grooves on the inner side surface of the sliding block, and the sliding block can move up and down along the guide shaft on the mounting frame along with the mounting seat to a required position, so that a user can conveniently scribe along the scribing ruler; the compression spring is arranged between the top end face of the mounting seat and the top end face of the sliding block, when the marking ruler is moved, the sliding blocks at two ends of the marking ruler are pulled backwards, so that the sliding blocks are separated from the blackboard body, the mounting seat can be freely moved to a specified position along the guide rod at the moment, then the sliding blocks are loosened, the sliding blocks are extruded to the blackboard body under the action of the compression spring, and the sliding blocks and the marking ruler are fixed at the position through friction between the sliding blocks and the blackboard body, so that the operation is very convenient.

Drawings

Fig. 1 is a schematic structural view of a blackboard for vocal music teaching according to the present invention.

Fig. 2 is a schematic side view of a mounting base in a blackboard for vocal music teaching according to the present invention.

In the figure: 1. the blackboard comprises a blackboard body 2, a mounting frame 3, a clamping groove 4, a mounting seat 5, a sliding block 6, a protrusion 7, a guide shaft 8, a friction pad 9, a marking ruler 10, scale marks 11, a compression spring 12, a mounting groove 13 and an elastic pad.

Detailed Description

The invention is further described below with reference to the accompanying drawings.