CN219872602U

CN219872602U - Multifunctional teaching aid

Info

Publication number: CN219872602U
Application number: CN202321367215.8U
Authority: CN
Inventors: 朱剑虹; 周琳
Original assignee: Hunan Police Academy
Current assignee: Hunan Police Academy
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-20
Anticipated expiration: 2033-05-31

Abstract

The utility model relates to the technical field of teaching auxiliary equipment, and discloses a multifunctional teaching auxiliary teaching aid, which comprises: the reference frame is in a U-shaped structure; the moving mechanism is arranged in the left end and the right end of the bottom of the reference frame; the lifting mechanism is arranged at the front end of the lower part of the top of the reference frame; the dust removal assembly is arranged at the front end of the upper part of the bottom of the reference frame. This multi-functional teaching aid drives the position relative movement of movable block through the rotation of two-way reciprocating screw to drive the mounting panel through movable block and crane and remove the position decline of wheel, then remove through removing the position of wheel pair device, until removing to the assigned position, then rise the position of removing the wheel, stabilize the support through the mounting block to the device.

Description

Multifunctional teaching aid

Technical Field

The utility model relates to the technical field of teaching auxiliary equipment, in particular to a multifunctional teaching auxiliary teaching aid.

Background

The teaching is the requisite way of learning knowledge, and traditional teaching is all teaching through mr's oral head and blackboard writing, and inefficiency, along with the development of technique, prior art's multimedia teaching equipment can satisfy mr's teaching demand basically, and has improved the efficiency of teaching, but lacks the interdynamic with the student.

The inventors have found that the grant numbers are: the Chinese patent of CN201120326610.2 discloses an English electronic teaching device which is reasonable in structural design, can fully exert sound-image combination and interaction performance of electronic product equipment, can realize good interaction performance of English teaching by means of the existing electronic products and computers, and remarkably improves the effect of English teaching.

The device and parts for moving the using position of the device are not arranged in the English electronic teaching device, the existing device moves only through a simple moving wheel for moving, the moving wheel fixes the position in a braking mode after reaching the appointed position, and the device supports the whole device through the moving wheel as a supporting point, so that the stability is poor.

Disclosure of Invention

The utility model aims to solve the technical problems that the prior teaching device moves through a simple moving wheel, the moving wheel fixes the position in a braking mode after reaching a specified position, and the whole device is supported by taking the moving wheel as a fulcrum, so that the stability is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a multi-functional teaching aid comprising:

the reference frame is in a U-shaped structure;

the moving mechanism is arranged in the left end and the right end of the bottom of the reference frame;

the lifting mechanism is arranged at the front end of the lower part of the top of the reference frame;

the dust removal assembly is arranged at the front end of the upper part of the bottom of the reference frame.

Preferably, the reference frame includes:

the mounting block is fixedly connected with a mounting box at the center of the top of the mounting block, and a lifting rail is fixedly connected with the center of the top of the mounting box;

the fixed block is fixedly connected to the inside of the bottom of the lifting rail.

Preferably, the moving mechanism includes:

the mounting groove is formed in the center of the bottom of the mounting block, and the top of the inside of the mounting groove is rotationally connected with a bidirectional reciprocating screw rod;

the adjusting rod is fixedly connected to one side, far away from the center, of the bidirectional reciprocating screw rod, and a rotating pin is fixedly connected to one side, far away from the center, of the adjusting rod;

the movable block is in threaded connection with the outer surfaces of the left end and the right end of the bidirectional reciprocating screw rod, and the bottom of the movable block is hinged with a lifting frame;

the mounting panel, the mounting panel articulates in the bottom of crane, and the bottom four angles of crane all are provided with the removal wheel.

Preferably, the bidirectional reciprocating screw rod penetrates through the inside of the moving block and extends to the inside of the moving block, and the moving wheel forms a lifting structure through the lifting frame and the moving block.

Preferably, the lifting mechanism comprises:

the rotating motor is fixedly arranged in the installation box, and a motor shaft is arranged at the power output end of the rotating motor;

the lifting screw rod is rotationally connected to the inside of the lifting rail, and a lifting block is slidingly connected to the lower part of the top of the inside of the lifting rail;

the connecting rod is fixedly connected to the center of the front end of the lifting block, and the front end of the connecting rod is fixedly connected with a curtain;

and the loudspeaker is fixedly connected to one side, far away from the center, of the lifting rail.

Preferably, the lifting block and the connecting rod form an integrated structure, and the top of the curtain forms a lifting structure through the lifting block and the lifting screw rod.

Preferably, the dust removing assembly includes:

the mounting rod is fixedly connected to the centers of the left end and the right end of the mounting box, and a ratchet wheel is sleeved on the outer surface of one side of the mounting rod, which is far away from the center of the mounting box;

the ratchet sleeve is meshed with the outer surface of one side of the ratchet wheel, far away from the center of the installation box, and one side of the ratchet sleeve, far away from the center of the installation box, is fixedly connected with a connecting frame, and one side of the connecting frame, close to the curtain, is fixedly connected with a scraping plate;

the spiral spring is positioned at the left end and the right end of the inner cavity of the mounting box, and a winding rod is arranged at one side of the spiral spring, which is close to the center of the inner cavity of the mounting box.

Preferably, the diameter of the inner surface of the ratchet wheel is the same as the diameter of the outer surface of the mounting rod, and the scraping plate forms a local rotating structure through the connecting frame, the ratchet sleeve and the ratchet wheel and the mounting box.

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

1. the multifunctional teaching auxiliary teaching aid drives the positions of the moving blocks to move relatively through the rotation of the bidirectional reciprocating screw rod, drives the positions of the mounting plate and the moving wheels to descend through the moving blocks and the lifting frames, then moves through the positions of the moving wheel pair devices until the positions of the moving wheels move to the designated positions, and then stably supports the devices through the mounting blocks when the positions of the moving wheels ascend;

2. according to the multifunctional teaching aid, the height of the lifting block is adjusted through the lifting screw rod, then the lifting block drives the position of the top of the curtain to rise, the purpose of adjusting the size of the curtain is achieved through the height of the top of the curtain, and according to different use scenes and different use numbers, the display area requirements are different, so that the size of the curtain needs to be adjusted, and the use requirements of different scenes can be met;

3. this multi-functional teaching aid when rolling up the curtain through clockwork spring and rolling pole, can rotate the scraper blade through ratchet and ratchet cover to make the one end of scraper blade laminate mutually with the surface of curtain, and accomplish the purpose of clearing up curtain surface dust.

4. The utility model can also be applied to the whisper teaching and has wide application.

Drawings

Fig. 1 is a schematic overall perspective view of a multifunctional teaching aid according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a dust removing assembly of a multifunctional teaching aid according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the portion A in FIG. 2 of a multifunctional teaching aid according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of a multifunctional teaching aid in one embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a moving mechanism of a multifunctional teaching aid according to an embodiment of the present utility model.

1. A reference frame; 101. a mounting block; 102. a mounting box; 103. lifting rails; 104. a fixed block; 2. a moving mechanism; 201. a mounting groove; 202. a bidirectional reciprocating screw rod; 203. an adjusting rod; 204. a rotation pin; 205. a moving block; 206. a lifting frame; 207. a mounting plate; 208. a moving wheel; 3. a lifting mechanism; 301. a rotating motor; 302. lifting the screw rod; 303. a lifting block; 304. a connecting rod; 305. a curtain; 306. a horn; 4. a dust removal assembly; 401. a mounting rod; 402. a ratchet wheel; 403. a ratchet sleeve; 404. a connecting frame; 405. a scraper; 406. a spring; 407. and (5) winding the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a schematic overall perspective view of a multifunctional teaching aid according to an embodiment of the present utility model; fig. 2 is a schematic diagram of a dust removing assembly of a multifunctional teaching aid according to an embodiment of the present utility model; FIG. 3 is an enlarged schematic view of the structure of the portion A in FIG. 2 of a multifunctional teaching aid according to an embodiment of the present utility model; FIG. 4 is a schematic view of a partial cross-sectional structure of a multifunctional teaching aid in one embodiment of the present utility model; fig. 5 is a schematic structural diagram of a moving mechanism of a multifunctional teaching aid according to an embodiment of the present utility model.

Referring to the drawings, in the embodiment, a multifunctional teaching aid, a reference frame 1, wherein the reference frame 1 is in a U-shaped structure; the moving mechanism 2 is arranged in the left end and the right end of the bottom of the reference frame 1; the lifting mechanism 3 is arranged at the front end of the lower part of the top of the reference frame 1; the dust removal assembly 4, the dust removal assembly 4 is installed in the front end that the reference frame 1 bottom is gone up.

Specifically, the benchmark frame 1 is used as the installation benchmark of the teaching auxiliary device, plays roles of structural connection and integration, enables the whole teaching auxiliary structure to be compact, is convenient for practical use, and the moving mechanism 2 is used for realizing the movement of the position, the lifting mechanism 3 is used for adjusting the size of the curtain 305, and the dust removal assembly 4 can achieve the purpose of cleaning dust on the surface of the curtain 305 during winding.

The reference frame 1 is further described in order to facilitate a thorough understanding of the specific structure and principles of the reference frame 1 by those skilled in the art. In the present embodiment, the reference frame 1 includes: the installation block 101, an installation box 102 is fixedly connected to the top center of the installation block 101, and a lifting rail 103 is fixedly connected to the top center of the installation box 102; and the fixed block 104, wherein the fixed block 104 is fixedly connected to the inside of the bottom of the lifting rail 103.

The installation block 101 in the reference frame 1 is used for installing the moving mechanism 2, the lifting rail 103 is used for installing the lifting mechanism 3, and the installation box 102 is used for installing the dust removing assembly 4.

The movement mechanism 2 is further described in order to facilitate a full understanding of the specific structure and principles of the movement mechanism 2 by those skilled in the art. In the present embodiment, the moving mechanism 2 includes: the mounting groove 201 is formed in the center of the bottom of the mounting block 101, and the top of the inside of the mounting groove 201 is rotationally connected with the bidirectional reciprocating screw rod 202; the adjusting rod 203, the adjusting rod 203 is fixedly connected to one side of the bidirectional reciprocating screw 202 far away from the center, and a rotating pin 204 is fixedly connected to one side of the adjusting rod 203 far away from the center; the moving block 205 is in threaded connection with the outer surfaces of the left end and the right end of the bidirectional reciprocating screw rod 202, and a lifting frame 206 is hinged to the bottom of the moving block 205; the mounting plate 207, the mounting plate 207 is hinged at the bottom of the lifting frame 206, and the bottom four corners of the lifting frame 206 are provided with moving wheels 208. The bidirectional reciprocating screw 202 penetrates the inside of the moving block 205 and extends to the inside of the moving block 205, and the moving wheel 208 constitutes a lifting structure by the lifting frame 206 and the moving block 205.

In the moving mechanism 2, the position of the moving block 205 is driven to move relatively by the rotation of the bidirectional reciprocating screw rod 202, the positions of the mounting plate 207 and the moving wheel 208 are driven to descend by the moving block 205 and the lifting frame 206, then the position of the device is moved by the moving wheel 208 until the device moves to a specified position, then the position of the moving wheel 208 is ascended, and the device is stably supported by the mounting block 101.

The lifting mechanism 3 is further described in order to facilitate a full understanding of the specific structure and principles of the lifting mechanism 3 by a person skilled in the art. In the present embodiment, the elevating mechanism 3 includes: a rotating motor 301, wherein the rotating motor 301 is fixedly arranged in the installation box 102, and a motor shaft is arranged at the power output end of the rotating motor 301; the lifting screw rod 302 is rotatably connected to the inside of the lifting rail 103, and a lifting block 303 is slidably connected to the lower part of the top of the inside of the lifting rail 103; the connecting rod 304 is fixedly connected to the center of the front end of the lifting block 303, and the front end of the connecting rod 304 is fixedly connected with the curtain 305; and the horn 306, wherein the horn 306 is fixedly connected to one side of the lifting rail 103 away from the center. The lifting block 303 and the connecting rod 304 form an integrated structure, and the top of the curtain 305 forms a lifting structure through the lifting block 303 and the lifting screw 302.

In the lifting mechanism 3, the height of the lifting block 303 is adjusted through the lifting screw rod 302, then the lifting block 303 drives the top of the curtain 305 to rise, and the purpose of adjusting the size of the curtain 305 is achieved through the height of the top of the curtain 305.

The dusting assembly 4 is further described in order to facilitate a thorough understanding of the specific structure and principles of the dusting assembly 4 by those skilled in the art. In the present embodiment, the dust removing assembly 4 includes: the mounting rod 401 is fixedly connected to the centers of the left end and the right end of the mounting box 102, and a ratchet wheel 402 is sleeved on the outer surface of one side of the mounting rod 401 away from the center of the mounting box 102; the ratchet sleeve 403 is meshed with the outer surface of the ratchet 402 at the side far away from the center of the mounting box 102, a connecting frame 404 is fixedly connected to the side of the ratchet sleeve 403 far away from the center of the mounting box 102, and a scraping plate 405 is fixedly connected to the side of the connecting frame 404 near the curtain 305; the spring 406, the spring 406 is located the left and right sides both ends in inner chamber of mounting box 102, and the spring 406 is provided with winding rod 407 near the side of mounting box 102 inner chamber center. The inner surface diameter of the ratchet 402 is the same as the outer surface diameter of the mounting bar 401, and the scraper 405 forms a partial rotation structure with the mounting box 102 through the link 404 and the ratchet sleeve 403 and the ratchet 402.

In the dust removal assembly 4, when the curtain 305 is wound through the spring 406 and the winding rod 407, the scraper 405 can be rotated through the ratchet 402 and the ratchet sleeve 403, so that one end of the scraper 405 is attached to the surface of the curtain 305, and the purpose of cleaning dust on the surface of the curtain 305 is achieved.

Working principle: firstly, the whole device needs to be moved to a position needing to be used, the rotating pin 204 is rotated, the adjusting rod 203 and the bidirectional reciprocating screw rod 202 are driven to rotate through the rotating pin 204, and the bidirectional reciprocating screw rod 202 penetrates through the inside of the moving block 205 and extends to the inside of the moving block 205, so that when the bidirectional reciprocating screw rod 202 rotates, the position of the moving block 205 is driven to move relatively, then the moving block 205 drives the lifting frame 206 to stretch, the positions of the mounting plate 207 and the moving wheel 208 are pushed to descend, then the position of the device is moved through the moving wheel 208, after the device is moved to a specified position, the position of the moving wheel 208 is lifted, and then the position of the device is fixed and kept stable through the mounting block 101;

starting a rotating motor 301, driving a motor shaft and a lifting screw rod 302 to rotate through the rotating motor 301, driving the position of a lifting block 303 to lift through the lifting screw rod 302, driving the top of a curtain 305 to lift through the lifting block 303, and determining the use size of the curtain 305 through the position of the top of the curtain 305;

when the curtain 305 is rolled up, the ratchet 402 and the ratchet sleeve 403 rotate the connecting frame 404, so that one end of the scraper 405 can be attached to the surface of the curtain 305, and dust attached to the surface of the curtain 305 is cleaned through the scraper 405.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A multifunctional teaching aid, comprising:

the reference frame (1), the said reference frame (1) presents the "U" font structure;

the moving mechanism (2) is arranged in the left end and the right end of the bottom of the reference frame (1);

the lifting mechanism (3) is arranged at the front end of the lower top of the reference frame (1);

the dust removal assembly (4), dust removal assembly (4) are installed in the front end that the base frame (1) bottom is gone up to the top.

2. A multi-functional teaching aid according to claim 1 and characterized in that:

the reference frame (1) comprises:

the mounting block (101), a mounting box (102) is fixedly connected to the top center of the mounting block (101), and a lifting rail (103) is fixedly connected to the top center of the mounting box (102);

the fixed block (104), fixed block (104) fixed connection is in the inside of lifting rail (103) bottom.

3. A multi-functional teaching aid according to claim 2 and characterized in that:

the moving mechanism (2) includes:

the mounting groove (201) is formed in the center of the bottom of the mounting block (101), and the top of the inside of the mounting groove (201) is rotationally connected with a bidirectional reciprocating screw rod (202);

the adjusting rod (203), the adjusting rod (203) is fixedly connected to one side of the bidirectional reciprocating screw rod (202) far away from the center, and a rotating pin (204) is fixedly connected to one side of the adjusting rod (203) far away from the center;

the movable block (205), the movable block (205) is connected with the outer surfaces of the left end and the right end of the bidirectional reciprocating screw rod (202) in a threaded manner, and the bottom of the movable block (205) is hinged with a lifting frame (206);

the mounting plate (207), mounting plate (207) articulates in the bottom of crane (206), and the bottom four angles of crane (206) all are provided with removal wheel (208).

4. A multi-functional teaching aid according to claim 3 and characterized in that: the bidirectional reciprocating screw rod (202) penetrates through the inside of the moving block (205) and extends to the inside of the moving block (205), and the moving wheel (208) forms a lifting structure through the lifting frame (206) and the moving block (205).

5. A multi-functional teaching aid according to claim 2 and characterized in that:

the lifting mechanism (3) comprises:

the rotating motor (301), the rotating motor (301) is fixedly arranged in the mounting box (102), and a motor shaft is arranged at the power output end of the rotating motor (301);

the lifting screw rod (302), the lifting screw rod (302) is rotatably connected to the inside of the lifting rail (103), and a lifting block (303) is slidably connected to the lower part of the top of the inside of the lifting rail (103);

the connecting rod (304), the front end center department of connecting rod (304) fixed connection in elevating block (303), and the front end fixed connection of connecting rod (304) has curtain (305);

and the loudspeaker (306) is fixedly connected to one side, far away from the center, of the lifting rail (103).

6. The multi-functional teaching aid according to claim 5, wherein: the lifting block (303) and the connecting rod (304) form an integrated structure, and the top of the curtain (305) forms a lifting structure through the lifting block (303) and the lifting screw rod (302).

7. A multi-functional teaching aid according to claim 1 and characterized in that:

the dust removal assembly (4) comprises:

the mounting rod (401), the mounting rod (401) is fixedly connected to the centers of the left end and the right end of the mounting box (102), and a ratchet wheel (402) is sleeved on the outer surface of one side of the mounting rod (401) far away from the center of the mounting box (102);

the ratchet sleeve (403), the ratchet sleeve (403) is meshed with the outer surface of the ratchet (402) at one side far away from the center of the installation box (102), a connecting frame (404) is fixedly connected to one side of the ratchet sleeve (403) far away from the center of the installation box (102), and a scraping plate (405) is fixedly connected to one side of the connecting frame (404) close to the curtain (305);

the spiral spring (406), the spiral spring (406) is located the left and right sides both ends in mounting box (102) inner chamber, and one side that spiral spring (406) is close to mounting box (102) inner chamber center is provided with winding rod (407).

8. The multi-functional teaching aid of claim 7, wherein: the diameter of the inner surface of the ratchet wheel (402) is the same as that of the outer surface of the mounting rod (401), and the scraping plate (405) forms a rotating structure with the mounting box (102) through the connecting frame (404) and the ratchet sleeve (403) and the ratchet wheel (402).