CN215117933U

CN215117933U - History teaching aid

Info

Publication number: CN215117933U
Application number: CN202121458329.4U
Authority: CN
Inventors: 张炜
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-10
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a history teaching aid, including a fixed section of thick bamboo, the one end fixedly connected with handle of a fixed section of thick bamboo, peg graft in the inside of a fixed section of thick bamboo and have interior pole, the outer wall of a fixed section of thick bamboo is provided with the spacing hole that the equidistance distributes, the outer wall of interior pole is provided with the mounting groove, the bottom inner wall fixedly connected with spring one of mounting groove, the spacing post of one end fixedly connected with of spring, spacing post and spacing hole looks adaptation, the inside of a fixed section of thick bamboo is provided with the spout, the outer wall fixedly connected with slider of interior pole, the slider forms sliding fit with the spout, the outer wall of handle has cup jointed the handle cover. The utility model discloses a be provided with solid fixed cylinder and interior pole, interior pole can stretch out and draw back in solid fixed cylinder, under the effect through spacing hole, spacing post and spring one, carries out the injecing of length to the teaching baton, and the tip of teaching baton just is difficult to when the atress like this and contracts into, and is simple and convenient.

Description

History teaching aid

Technical Field

The utility model relates to a teaching aid technical field especially relates to a history teaching aid.

Background

History, subject to human history, is also called "history". History is a form of knowledge that humans screen and combine their own historical material. Historian, a concept of dynamic space in static time. The history is formed by organically combining five parts of history, science, philosophy, humanity and time space thereof.

In the teaching process of history, the teacher can use the teaching baton in the classroom, points very easily to the content on the blackboard like this, and still does not shelter from student's sight, and current teaching baton is though can the telescopic adjustment, but its stability is not good, when the teacher points the content on the blackboard at some times, uses some power a little, and the baton will contract into easily, and then brings the inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a history teaching aid to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a history teaching aid, includes a solid fixed cylinder, the one end fixedly connected with handle of a solid fixed cylinder, the inside of a solid fixed cylinder is pegged graft and is had interior pole, the outer wall of a solid fixed cylinder is provided with the spacing hole that the equidistance distributes, the outer wall of interior pole is provided with the mounting groove, the bottom inner wall fixedly connected with spring one of mounting groove, the spacing post of one end fixedly connected with of spring, spacing post and spacing hole looks adaptation.

Furthermore, a sliding groove is formed in the fixed cylinder, a sliding block is fixedly connected to the outer wall of the inner rod, and the sliding block and the sliding groove are in sliding fit.

Furthermore, the outer wall of the handle is sleeved with a handle sleeve, the outer wall of the handle sleeve is provided with anti-slip lines, and the handle sleeve is made of rubber.

Furthermore, a hanging rope is fixedly connected to the outer wall of one side of the handle.

Furthermore, the outer wall of the bottom of the inner rod is provided with a circular groove, the inner wall of the circular groove is connected with an installation cylinder through threads, and chalk is inserted into the inner wall of the installation cylinder.

Furthermore, the inner wall of the mounting cylinder is fixedly connected with symmetrically distributed second springs, and one ends of the second springs are fixedly connected with an extrusion plate.

Furthermore, the top end of the extrusion plate is arc-shaped.

Furthermore, the outer wall of the inner rod close to the bottom is fixedly connected with a laser pen.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this be used for history teaching aid, through being provided with solid fixed cylinder and interior pole, interior pole can stretch out and draw back in solid fixed cylinder, under the effect through spacing hole, spacing post and spring one, carries out the injecing of length to the teaching baton, and the tip of teaching baton just is difficult to when the atress like this and contracts into simple and convenient.

2. This be used for history teaching aid through being provided with an installation section of thick bamboo, has inserted the chalk in the installation section of thick bamboo, and the mr just so is when teaching, and is more easy to the content on the blackboard, draws the key while explaining.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a history teaching aid provided by the present invention;

fig. 2 is a schematic view of a partial structure of a history teaching aid provided by the present invention;

fig. 3 is a schematic structural view of a fixed cylinder of the history teaching aid provided by the present invention;

fig. 4 is the utility model provides an installation section of thick bamboo internal structure schematic diagram of history teaching aid.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a fixed cylinder; 2. a handle; 3. covering the handlebar; 4. hanging a rope; 5. a limiting hole; 6. an inner rod; 7. a laser pen; 8. mounting the cylinder; 9. chalk; 10. a limiting column; 11. a first spring; 12. a second spring; 13. and (5) pressing the plate.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, in the embodiment of the utility model, a history teaching aid, including solid fixed cylinder 1, solid fixed cylinder 1's one end fixedly connected with handle 2, gu peg graft in solid fixed cylinder 1's inside and have interior pole 6, gu fixed cylinder 1's outer wall is provided with the spacing hole 5 that the equidistance distributes, interior pole 6's outer wall is provided with the mounting groove, the bottom inner wall fixedly connected with spring 11 of mounting groove, the spacing post 10 of one end fixedly connected with of spring 11, spacing post 10 and spacing hole 5 looks adaptation, interior pole 6 can stretch out and draw back in solid fixed cylinder 1, through spacing hole 5, spacing post 10 and spring 11's effect down, carry out injecing of length to the teaching baton, the tip of teaching baton is when the atress like this, just be difficult to contract into, and is simple and convenient.

The utility model discloses in, the inside of solid fixed cylinder 1 is provided with the spout, and the outer wall fixedly connected with slider of interior pole 6, slider and spout form sliding fit, increase the stability of interior pole 6.

The utility model discloses in, the outer wall of handle 2 has cup jointed handle cover 3, and the outer wall of handle cover 3 is provided with anti-skidding line, and the material of handle cover 3 is rubber, increases the comfort.

The utility model discloses in, one side outer wall fixedly connected with of handle 2 hangs rope 4, and the convenience hangs the teaching baton.

The utility model discloses in, the bottom outer wall of interior pole 6 is provided with the circular slot, and the inner wall of circular slot has an installation section of thick bamboo 8 through threaded connection, and the inner wall of an installation section of thick bamboo 8 is pegged graft and is had chalk 9, and the mr just like this explains the limit on the point to the content on the blackboard more easily when the teaching.

The utility model discloses in, two 12 of the inner wall fixedly connected with symmetric distribution's of installation section of thick bamboo 8 spring, two 12 one end fixedly connected with stripper plate 13 of spring fix chalk 9.

The utility model discloses in, the top of stripper plate 13 is circular-arc, and it is more convenient when making chalk 9 insert the installation section of thick bamboo 8.

The utility model discloses in, interior pole 6 is close to the outer wall fixedly connected with laser pen 7 of bottom, walks under the podium as the mr, opens laser pen 7, points with the content of laser to the blackboard, and is more convenient.

The utility model discloses a theory of operation is:

when the length of teaching baton needs to be adjusted, press spacing post 10 and make it retract to the mounting groove in, then pole 6 in the pull, so relapse, when removing next spacing hole 5, under the effect of spring 11, spacing post 10 will stretch out and then block in spacing hole 5, so relapse, it can to adjust suitable position, adjust the baton promptly and stretch out and draw back and adjust, through spacing hole 5, under spacing post 10 and the effect of spring 11, carry out the injecing of length to the teaching baton, the tip of teaching baton is when the atress like this, just be difficult to retract into, and is simple and convenient, the chalk 9 has been pegged graft in the mounting tube 8, mr when teaching, just more easily to the content on the blackboard, the limit explanation limit is drawn key, walk under the podium as mr, open laser pen 7 on the pole 6, point the content of blackboard with laser, and it is more convenient.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a history teaching aid, includes solid fixed cylinder (1), the one end fixedly connected with handle (2) of solid fixed cylinder (1), the inside of solid fixed cylinder (1) is pegged graft and is had interior pole (6), its characterized in that, the outer wall of solid fixed cylinder (1) is provided with spacing hole (5) that the equidistance distributes, the outer wall of interior pole (6) is provided with the mounting groove, the bottom inner wall fixedly connected with spring (11) of mounting groove, spacing post (10) of one end fixedly connected with of spring (11), spacing post (10) and spacing hole (5) looks adaptation.

2. The historian according to claim 1, wherein a sliding groove is formed in the fixed cylinder (1), a sliding block is fixedly connected to the outer wall of the inner rod (6), and the sliding block and the sliding groove form a sliding fit.

3. The historian teaching aid according to claim 1, wherein a handle sleeve (3) is sleeved on the outer wall of the handle (2), anti-slip grains are arranged on the outer wall of the handle sleeve (3), and the handle sleeve (3) is made of rubber.

4. The historian according to claim 3, wherein a hanging rope (4) is fixedly connected to an outer wall of one side of the handle (2).

5. The historian teaching aid according to claim 1, wherein a circular groove is formed in the outer wall of the bottom of the inner rod (6), an installation cylinder (8) is connected to the inner wall of the circular groove through threads, and chalk (9) is inserted into the inner wall of the installation cylinder (8).

6. The historian according to claim 5, wherein the inner wall of the mounting cylinder (8) is fixedly connected with symmetrically distributed second springs (12), and one end of each second spring (12) is fixedly connected with a pressing plate (13).

7. The historical teaching aid according to claim 6, wherein the top of the pressing plate (13) is rounded.

8. The historian according to claim 1, wherein the outer wall of the inner rod (6) near the bottom is fixedly connected with a laser pointer (7).