CN218038366U

CN218038366U - Demonstration teaching aid for teaching

Info

Publication number: CN218038366U
Application number: CN202222300388.XU
Authority: CN
Inventors: 温艳青
Original assignee: Shandong Xiehe University
Current assignee: Shandong Xiehe University
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-13
Anticipated expiration: 2032-08-31

Abstract

The utility model belongs to the technical field of medical science teaching demonstration, especially, demonstration teaching aid is used in teaching, when using to current head model teaching aid teaching, it is many directly to place on the desktop, be not convenient for carry on the regulation of height and angle, can not play fine teaching effect's problem, the following scheme is proposed at present, which comprises a base, four universal wheels are installed to the bottom of base, the rectangle pole is installed at the top of base, the outside slidable mounting of rectangle pole has the lift post, two are installed in the outside of lift post and are pushed away the handle, two are pushed away the handle and are the setting of V type, and two are pushed away the contained angle between the handle and be the degree, the rectangular channel has been seted up to the bottom of lift post, the inner wall sliding connection in rectangle pole and rectangular channel, be provided with elevating system in the rectangular channel, elevating system links to each other with the rectangle pole, the top of lift post is provided with rotary mechanism. The utility model discloses conveniently carry out the regulation of height and angle, conveniently teach the demonstration.

Description

Demonstration teaching aid for teaching

Technical Field

The utility model relates to a medical science teaching demonstration technical field especially relates to a demonstration teaching aid is used in teaching.

Background

The teaching aid is with the material object of propagation science and technology, education people as the purpose, in medical teaching, for the convenience student learns, choose teaching model for use as the teaching aid usually, utilize head acupuncture, need fully understand the acupuncture point of head, connect head acupuncture point for the abundant purpose, just need choose head model for use as the teaching aid and use, for the convenient teaching show of head model, need be fixed with head model teaching aid, then can height-adjusting and angle, make things convenient for the student to observe the study.

However, when the existing head model teaching aid is used for teaching, the head model teaching aid is mostly directly placed on a desktop, so that the height and the angle of the head model teaching aid are not convenient to adjust, and a good teaching effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving when current head model teaching aid teaching uses, directly placing on the desktop more, be not convenient for carry on the regulation of height and angle, can not play fine teaching effect's shortcoming, and the demonstration teaching aid is used in teaching that provides.

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

the utility model provides a demonstration teaching aid is used in teaching, the on-line screen storage device comprises a base, four universal wheels are installed to the bottom of base, the rectangle pole is installed at the top of base, the outside slidable mounting of rectangle pole has the lift post, two are installed in the outside of lift post and are pushed away the handle, two are pushed away the handle and are the V type setting, and two are pushed away the contained angle between the handle and be the degree, the rectangular channel has been seted up to the bottom of lift post, the inner wall sliding connection of rectangle pole and rectangular channel, be provided with elevating system in the rectangular channel, elevating system links to each other with the rectangle pole, the top of lift post is provided with rotary mechanism, rotary mechanism's top is connected with the rectangle box, the top of rectangle box is provided with head model teaching aid.

Preferably, elevating system includes the threaded rod, and the threaded rod rotates to be installed on the top inner wall of rectangular channel, and the thread groove has been seted up at the top of rectangular rod, threaded rod and thread groove threaded connection.

Preferably, a manual rod is rotatably mounted on the outer side of the lifting column, a first bevel gear is mounted at the inner end of the manual rod, a second bevel gear is sleeved on the outer side of the threaded rod, the first bevel gear is meshed with the second bevel gear, and a crank is mounted on the outer side of the manual rod.

Preferably, rotary mechanism includes the ring, and the rotary rod is installed to the ring internal rotation, and fixed mounting has the bearing in the ring, and the rotary rod links to each other with the inner circle of bearing, and the top of rotary rod links to each other with the bottom of rectangle box, and a plurality of elastic force grooves have been seted up in the outside of rotary rod, and slidable mounting has the elastic force pole in the elastic force groove, installs same spring between elastic force pole and the elastic force groove, has seted up a plurality of arc walls on the inner wall of ring, the two-way joint of inner wall of elastic force pole and arc wall.

Preferably, the screw rod is installed at the top of rectangle box, and the screw rod groove has been seted up to the bottom of head model teaching aid, screw rod and screw rod groove threaded connection.

The utility model discloses in, a teaching is with beneficial effect of demonstration teaching aid:

according to the scheme, the whole body is pushed by the two push handles, the four universal wheels are arranged on the ground, so that the whole body can be conveniently moved, the head model teaching aid is placed at the top of the rectangular box and is connected with the screw groove by the screw, the head model teaching aid can be installed at the top of the rectangular box, and the head model teaching aid can be detached and replaced in the same way;

according to the scheme, the crank drives the manual rod to rotate, the manual rod drives the threaded rod to rotate through the first bevel gear and the second bevel gear, the threaded rod pushes the rectangular rod to slide relative to the lifting column through the threaded groove, the height of the head model teaching aid can be adjusted by adjusting the height of the rectangular box, and the technical problem that the height cannot be adjusted is solved;

according to the scheme, the rectangular box is rotated to drive the rotating rod to rotate in the circular ring, so that the rectangular box drives the head model teaching aid to rotate, and the technical problem that the head model teaching aid cannot be adjusted in angle is solved;

the utility model discloses conveniently carry out the regulation of height and angle, conveniently teach the demonstration.

Drawings

Fig. 1 is a schematic structural view of a demonstration teaching aid for teaching provided by the utility model;

fig. 2 is a schematic structural diagram of a part a of a teaching demonstration aid for teaching according to the present invention;

fig. 3 is a schematic perspective view of the ring of the present invention.

In the figure: 1. a base; 2. a universal wheel; 3. a rectangular bar; 4. a lifting column; 5. a rectangular groove; 6. a threaded rod; 7. a manual lever; 8. a first bevel gear; 9. a second bevel gear; 10. a crank; 11. a circular ring; 12. rotating the rod; 13. an elastic rod; 14. a spring; 15. an arc-shaped slot; 16. an elastic groove; 17. a rectangular box; 18. pushing and pulling the drawer; 19. a head model teaching aid; 20. a screw channel; 21. a screw; 22. a push handle; 23. a thread groove.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-3, a demonstration teaching aid is used in teaching, the on-line screen storage device comprises a base 1, four universal wheels 2 are installed to base 1's bottom, rectangular rod 3 is installed at base 1's top, rectangular rod 3's outside slidable mounting has lift post 4, two are installed in lift post 4's the outside and are pushed away 22, two are pushed away 22 and are the V type setting, and two are pushed away the contained angle between 22 and are 60 degrees, it can conveniently promote moving as a whole to push away 22 through two, rectangular channel 5 has been seted up to lift post 4's bottom, rectangular rod 3 and rectangular channel 5's inner wall sliding connection, be provided with elevating system in the rectangular channel 5, elevating system links to each other with rectangular rod 3, lift post 4's top is provided with rotary mechanism, rotary mechanism's top is connected with rectangle box 17, rectangle box 17's top is provided with head model teaching aid 19.

Referring to fig. 1-2, in the present embodiment, the lifting mechanism includes a threaded rod 6, the threaded rod 6 is rotatably installed on an inner wall of a top portion of the rectangular groove 5, a threaded groove 23 is formed in the top portion of the rectangular rod 3, the threaded rod 6 is in threaded connection with the threaded groove 23, a manual rod 7 is rotatably installed on an outer side of the lifting column 4, a first bevel gear 8 is installed at an inner end of the manual rod 7, a second bevel gear 9 is sleeved on an outer side of the threaded rod 6, the first bevel gear 8 is engaged with the second bevel gear 9, and a crank 10 is installed on an outer side of the manual rod 7; the crank 10 drives the manual rod 7 to rotate, the manual rod 7 drives the threaded rod 6 to rotate through the first bevel gear 8 and the second bevel gear 9, the threaded rod 6 pushes the rectangular rod 3 and the lifting column 4 to slide relatively through the threaded groove 23, and the height of the head model teaching aid 19 can be adjusted through adjusting the height of the rectangular box 17.

Referring to fig. 2, in this embodiment, the rotating mechanism includes a circular ring 11, a rotating rod 12 is rotatably installed in the circular ring 11, a bearing is fixedly installed in the circular ring 11, the rotating rod 12 is connected with an inner ring of the bearing, the top of the rotating rod 12 is connected with the bottom of a rectangular box 17, a plurality of elastic grooves 16 are formed in the outer side of the rotating rod 12, elastic rods 13 are slidably installed in the elastic grooves 16, a same spring 14 is installed between the elastic rods 13 and the elastic grooves 16, a plurality of arc-shaped grooves 15 are formed in the inner wall of the circular ring 11, and the elastic rods 13 are bidirectionally clamped with the inner wall of the arc-shaped grooves 15; the rectangular box 17 can rotate, and the elastic force is provided for the elastic rod 13 through the spring 14, so that the elastic rod 13 enters the arc-shaped groove 15, and the stability of the rotating rod 12 can be increased.

Referring to fig. 1, in this embodiment, a screw 21 is installed on the top of the rectangular box 17, a screw groove 20 is opened on the bottom of the head model teaching aid 19, and the screw 21 is in threaded connection with the screw groove 20.

Theory of operation, in using, it is whole to promote through two push handles 22, four universal wheels 2 that set up are at the ground ball, can conveniently remove to whole, place head model teaching aid 19 at the top of rectangle box 17, utilize screw rod 21 to be connected with screw rod groove 20, can install head model teaching aid 19 at the top of rectangle box 17, the push-and-pull drawer 18 of setting can conveniently accomodate the instrument, it is rotatory to drive manual pole 7 through crank 10, manual pole 7 drives threaded rod 6 through first bevel gear 8 and second bevel gear 9 and rotates, threaded rod 6 promotes rectangular pole 3 and lift post 4 relative slip through threaded groove 23, can be through the height of adjusting rectangle box 17 and then adjust the height of head model teaching aid 19, the technical problem that the height can not be adjusted is solved, rotate rectangle box 17, rectangle box 17 drives rotary rod 12 and rotates in ring 11, make rectangle box 17 drive head model teaching aid 19 rotatory, the technical problem that head model teaching aid 19 can not angle adjustment is solved, conveniently carry out the regulation of height and angle, conveniently impart knowledge to the teaching.

Example two

The difference between the second embodiment and the first embodiment is that: two drawer holes have been seted up on rectangle box 17, all be provided with push-and-pull drawer 18 in two drawer holes, and push-and-pull drawer 18 is used for storage tool, and all structures in this application all can carry out the selection of material and length according to the in-service use condition, and the attached drawing is the schematic structure picture, and suitable adjustment can be made to specific actual dimensions.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a demonstration teaching aid is used in teaching, includes base (1), four universal wheels (2) are installed to the bottom of base (1), a serial communication port, rectangle pole (3) are installed at the top of base (1), the outside slidable mounting of rectangle pole (3) has lift post (4), rectangular channel (5) have been seted up to the bottom of lift post (4), the inner wall sliding connection of rectangle pole (3) and rectangular channel (5), be provided with elevating system in rectangular channel (5), elevating system links to each other with rectangle pole (3), the top of lift post (4) is provided with rotary mechanism, rotary mechanism's top is connected with rectangle box (17), be provided with two push-and-pull drawers (18) in rectangle box (17), the top of rectangle box (17) is provided with head model teaching aid (19).

2. A demonstration teaching aid for teaching as claimed in claim 1, wherein the lifting mechanism comprises a threaded rod (6), the threaded rod (6) is rotatably mounted on the inner wall of the top of the rectangular groove (5), a threaded groove (23) is formed in the top of the rectangular rod (3), and the threaded rod (6) is in threaded connection with the threaded groove (23).

3. A demonstration teaching aid for teaching according to claim 2, characterized in that the outside of the lifting column (4) is rotatably provided with a manual lever (7), the inner end of the manual lever (7) is provided with a first bevel gear (8), the outside of the threaded rod (6) is sleeved with a second bevel gear (9), the first bevel gear (8) is meshed with the second bevel gear (9), and the outside of the manual lever (7) is provided with a crank (10).

4. A demonstration teaching aid for teaching according to claim 1, characterized in that the rotating mechanism comprises a circular ring (11), a rotating rod (12) is rotatably mounted in the circular ring (11), a bearing is fixedly mounted in the circular ring (11), the rotating rod (12) is connected with the inner ring of the bearing, and the top of the rotating rod (12) is connected with the bottom of the rectangular box (17).

5. A demonstration teaching aid for teaching according to claim 4, characterized in that a plurality of elastic grooves (16) are formed in the outer side of the rotating rod (12), an elastic rod (13) is slidably mounted in the elastic grooves (16), the same spring (14) is mounted between the elastic rod (13) and the elastic grooves (16), a plurality of arc-shaped grooves (15) are formed in the inner wall of the circular ring (11), and the elastic rod (13) is in bidirectional clamping connection with the inner wall of the arc-shaped grooves (15).

6. A demonstration teaching aid for teaching according to claim 1, characterized in that a screw (21) is installed at the top of the rectangular box (17), a screw groove (20) is opened at the bottom of the head model teaching aid (19), and the screw (21) is in threaded connection with the screw groove (20).

7. A demonstration teaching aid for teaching according to claim 1, characterized in that two pushing handles (22) are mounted on the outside of the lifting column (4), the two pushing handles (22) are arranged in a V-shape, and the included angle between the two pushing handles (22) is 60 degrees.