CN211454927U

CN211454927U - A multi-functional teaching pole for university's teaching

Info

Publication number: CN211454927U
Application number: CN202020473416.6U
Authority: CN
Inventors: 张松; 苌雨; 邱中成; 卓越; 吴一梦
Original assignee: Zhengzhou Technical College
Current assignee: Zhengzhou Technical College
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-09-08
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a multi-functional teaching pole for university's teaching, the electric iron comprises an iron body, smooth chamber has been seted up to the inside of the body of rod, the inner wall sliding connection in smooth chamber has the extension rod, the inner wall sliding connection in smooth chamber has the fixed establishment of fixed extension rod, the side fixedly connected with laser lamp of extension rod, the side fixedly connected with thread tightening ear of the body of rod, the surface threaded connection of thread tightening ear has the battery cover, the battery cavity has been seted up to the inside of battery cover. This a multi-functional teaching pole for university's teaching through setting up the body of rod, sliding chamber and extension rod, can adjust the length of whole teaching rod, through setting up the dead lever, solid fixed ring and fixed spring, can fix the length of extension rod, through setting up spacing groove and solid fixed ring, can prevent the extension rod landing, through setting up the body of rod and extension rod, conveniently points the teaching content on the blackboard to make whole teaching rod have the effect of adjusting length and pointing the teaching.

Description

A multi-functional teaching pole for university's teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a multi-functional teaching pole for university's teaching.

Background

The teaching rod is a common tool for teaching, teachers frequently use the teaching rod to point a blackboard during teaching, teaching knowledge is explained and interactive communication is achieved, and old shudi mr gives students a board for applying a body penalty, also called a ruler, is made of two wood blocks.

Along with the development of society, the field of vision of student and mr has gradually faded out to traditional single teaching pole, the substitute has infrared irradiation's laser pen, the advantage of laser pen is small and exquisite, portable, however, when laser pen met the highlight when using, what show on the blackboard is not so clear, and because infrared ray can only show a point on the blackboard, the student does not pay attention to the content that the mr explained a little, and does not have the effect of clearly pointing the explanation content like traditional teaching pole, the effect of student's study has directly been influenced.

The utility model provides a multi-functional teaching pole for university's teaching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional teaching pole for university's teaching to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional teaching pole for university's teaching, includes the body of rod, smooth chamber has been seted up to the inside of the body of rod, the inner wall sliding connection in smooth chamber has the extension bar, the inner wall sliding connection in smooth chamber has the fixed establishment of fixed extension bar, the side fixedly connected with laser lamp of extension bar, the side fixedly connected with thread tightening ear of the body of rod, the surface threaded connection of thread tightening ear has the battery cover, the battery chamber has been seted up to the inside of battery cover, the inner wall in battery chamber is provided with the battery, the side of battery cover is provided with the button of control laser lamp switch, the through-hole has been seted up to the lower surface of battery cover, the inside cover of through-hole is equipped with hangs the rope.

Preferably, the fixing mechanism comprises a sliding groove formed in the upper surface of the rod body, a fixing rod is connected to the inner wall of the sliding groove in a sliding mode, a fixing ring is fixedly connected to the lower surface of the fixing rod, and the outer surface of the extension rod is sleeved with the fixing ring.

Preferably, the outer surface cover of dead lever is equipped with fixed spring, the recess with solid fixed ring looks adaptation is seted up to the inner bottom wall in smooth chamber.

Preferably, the lower surface of the extension rod is provided with a limiting groove for preventing the extension rod from falling off, and the limiting groove is matched with the fixing ring.

Preferably, the laser lamp and the button are both coupled with the storage battery, and the laser lamp is infrared laser.

Preferably, the anti-slip sleeve is made of rubber, and a plurality of anti-slip bulges are arranged on the outer surface of the anti-slip sleeve.

Advantageous effects

The utility model provides a multi-functional teaching pole for university's teaching possesses following beneficial effect:

1. this a multi-functional teaching pole for university's teaching through setting up the body of rod, sliding chamber and extension rod, can adjust the length of whole teaching rod, through setting up the dead lever, solid fixed ring and fixed spring, can fix the length of extension rod, through setting up spacing groove and solid fixed ring, can prevent the extension rod landing, through setting up the body of rod and extension rod, conveniently points the teaching content on the blackboard to make whole teaching rod have the effect of adjusting length and pointing the teaching.

2. This a multi-functional teaching pole for university's teaching through setting up thread tightening ear and battery cover, conveniently changes the battery, through setting up laser lamp, battery and button, makes whole teaching pole have the effect of laser pointing teaching.

3. This a multi-functional teaching pole for university's teaching through setting up the antiskid cover, can prevent that the landing from falling into the injury laser lamp when using the teaching pole, through setting up the through-hole and hanging the rope, makes whole teaching pole have the effect of convenient to carry.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of B in fig. 1.

In the figure: the device comprises a rod body 1, a sliding cavity 2, an extension rod 3, a laser lamp 4, a thread fixing lug 5, a battery cover 6, a battery cavity 7, a storage battery 8, a button 9, a through hole 10, a hanging rope 11, an anti-skidding sleeve 12, a sliding groove 13, a fixing rod 14, a fixing ring 15, a fixing spring 16 and a limiting groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a multi-functional teaching pole for university's teaching, including the body of rod 1, sliding chamber 2 has been seted up to the inside of the body of rod 1, sliding chamber 2's inner wall sliding connection has extension rod 3, extension rod 3's lower surface sets up the spacing groove 17 that prevents that extension rod 3 from droing, spacing groove 17 and solid fixed ring 15 looks adaptation, through the body of rod 1, sliding chamber 2 and extension rod 3, can adjust the length of whole teaching pole, through spacing groove 14 and solid fixed ring 15, can prevent extension rod 3 landing, through the body of rod 1 and extension rod 3, conveniently point the teaching content on the blackboard, thereby make whole teaching pole have the effect of adjusting length and pointing teaching.

The inner wall sliding connection of smooth chamber 2 has the fixed establishment of fixed extension rod 3, fixed establishment is including seting up at the spout 13 of the 1 upper surface of the body of rod, the inner wall sliding connection of spout 13 has dead lever 14, the solid fixed ring 15 of lower fixed surface of dead lever 14, solid fixed ring 15 cover is established at the surface of extension rod 3, the surface cover of dead lever 14 is equipped with fixed spring 16, the recess with solid fixed ring 15 looks adaptation is seted up to the inner bottom wall of smooth chamber 2, through setting up the dead lever, gu fixed ring and fixed spring, the length of extension rod can be fixed.

Side fixedly connected with laser lamp 4 of extension rod 3, the side fixedly connected with thread tightening ear 5 of the body of rod 1, the surface threaded connection of thread tightening ear 5 has battery cover 6, battery cavity 7 has been seted up to battery cover 6's inside, the inner wall of battery cavity 7 is provided with battery 8, the side of battery cover 6 is provided with the button 9 of 4 switches of control laser lamp, laser lamp 4 and button 9 all with the coupling of battery 8, laser lamp 4 is infrared laser, through thread tightening ear 5 and battery cover 6, conveniently change battery 8, through laser lamp 4, battery 8 and button 9, make whole teaching rod have the effect of laser pointing teaching.

Through-hole 10 has been seted up to the lower surface of battery cover 6, and the inside cover of through-hole 10 is equipped with string rope 11, through-hole 10 with hang rope 11, makes whole teaching pole have the effect of conveniently carrying, and the surface cover of battery cover 6 is equipped with anti-skidding cover 12, and the material of anti-skidding cover 12 is rubber, and the surface of anti-skidding cover 12 is provided with a plurality of antiskid arch, through anti-skidding cover 12, can prevent when using the teaching pole that the landing tumble laser lamp 4.

The working principle is as follows: when the in-process of teaching needs use the teaching pole, press dead lever 14 earlier, pull out extension rod 3, and loosen dead lever 14 after adjusting suitable length with it, utilize solid fixed ring 15 and the fixed extension rod 3 of fixed spring 16, the position of handheld antiskid cover 12 can point the teaching, when higher position extension rod 3 points not in the time, press button 9, open laser lamp 4, utilize laser lamp 4 to point the teaching, when need not use the teaching pole, shrink extension rod 3 into sliding cavity 2, and utilize solid fixed ring 15 fixed, whole teaching pole can be carried to portable string rope 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multi-functional teaching pole for university's teaching, includes the body of rod (1), its characterized in that: a sliding cavity (2) is arranged inside the rod body (1), the inner wall of the sliding cavity (2) is connected with an extension rod (3) in a sliding way, the inner wall of the sliding cavity (2) is connected with a fixing mechanism for fixing the extension rod (3) in a sliding way, the side surface of the extension rod (3) is fixedly connected with a laser lamp (4), the side surface of the rod body (1) is fixedly connected with a thread fixing lug (5), the outer surface of the thread fixing lug (5) is connected with a battery cover (6) in a thread way, a battery cavity (7) is arranged in the battery cover (6), a storage battery (8) is arranged on the inner wall of the battery cavity (7), the side surface of the battery cover (6) is provided with a button (9) for controlling the laser lamp (4) to be switched on and off, the battery cover is characterized in that a through hole (10) is formed in the lower surface of the battery cover (6), a hanging rope (11) is sleeved inside the through hole (10), and an anti-skidding sleeve (12) is sleeved on the outer surface of the battery cover (6).

2. A multi-functional teaching pole for university teaching as claimed in claim 1 wherein: fixed establishment is including offering spout (13) at the body of rod (1) upper surface, the inner wall sliding connection of spout (13) has dead lever (14), the lower fixed surface of dead lever (14) is connected with solid fixed ring (15), gu fixed ring (15) cover is established at the surface of extension rod (3).

3. A multifunctional teaching pole for university teaching according to claim 2, characterized in that: the outer surface cover of dead lever (14) is equipped with fixed spring (16), the recess with solid fixed ring (15) looks adaptation is seted up to the inner bottom wall of smooth chamber (2).

4. A multi-functional teaching pole for university teaching as claimed in claim 1 wherein: the lower surface of the extension rod (3) is provided with a limiting groove (17) for preventing the extension rod (3) from falling off, and the limiting groove (17) is matched with the fixing ring (15).

5. A multi-functional teaching pole for university teaching as claimed in claim 1 wherein: the laser lamp (4) and the button (9) are both coupled with the storage battery (8), and the laser lamp (4) is infrared laser.

6. A multi-functional teaching pole for university teaching as claimed in claim 1 wherein: the anti-slip sleeve (12) is made of rubber, and a plurality of anti-slip bulges are arranged on the outer surface of the anti-slip sleeve (12).