CN218038366U - Demonstration teaching aid for teaching - Google Patents

Abstract

The utility model belongs to the technical field of medical teaching demonstration, in particular to a demonstration teaching aid for teaching. When the existing head model teaching aid is used for teaching, most of them are directly placed on the desktop, which is inconvenient to adjust the height and angle, and cannot be used. To achieve a good teaching effect, the following scheme is proposed, which includes a base, four universal wheels are installed on the bottom of the base, a rectangular rod is installed on the top of the base, and a lifting column is installed slidingly on the outside of the rectangular rod. There are two push handles installed on the outside, and the two push handles are set in a V shape, and the angle between the two push handles is 10 degrees. The bottom of the lifting column is provided with a rectangular groove, and the rectangular rod is slidingly connected with the inner wall of the rectangular groove. A lifting mechanism is arranged in the groove, and the lifting mechanism is connected with the rectangular rod, and a rotating mechanism is arranged on the top of the lifting column. The utility model is convenient for height and angle adjustment, and convenient for teaching demonstration.

Description

A demonstration teaching aid for teaching

technical field

The utility model relates to the technical field of medical teaching demonstration, in particular to a demonstration teaching tool for teaching.

Background technique

Teaching aids are objects for the purpose of disseminating technology and educating people. In medical teaching, in order to facilitate students to learn, teaching models are usually used as teaching aids. To use acupuncture on the head, it is necessary to fully understand the acupoints on the head. In order to fully connect the Acupuncture points, it is necessary to use the head model as a teaching aid. In order to facilitate the teaching and display of the head model teaching aid, the head model teaching aid needs to be fixed, and then the height and angle can be adjusted to facilitate students to observe and study.

However, when the existing head model teaching aids are used for teaching, most of them are directly placed on the desktop, which is inconvenient to adjust the height and angle, and cannot achieve a good teaching effect.

Utility model content

The purpose of this utility model is to solve the shortcomings of the existing head model teaching aids, most of which are directly placed on the table, which is inconvenient to adjust the height and angle, and cannot play a good teaching effect. A demonstration teaching aid for teaching.

In order to achieve the above object, the utility model adopts the following technical solutions:

A demonstration teaching aid for teaching, comprising a base, four universal wheels are installed on the bottom of the base, a rectangular rod is installed on the top of the base, a lifting column is installed slidingly on the outside of the rectangular rod, and two push handles are installed on the outside of the lifting column, The two push handles are set in a V shape, and the angle between the two push handles is 100°. The bottom of the lifting column is provided with a rectangular groove, and the rectangular rod is slidingly connected with the inner wall of the rectangular groove. The mechanism is connected with the rectangular rod, the top of the lifting column is provided with a rotating mechanism, the top of the rotating mechanism is connected with a rectangular box, and the top of the rectangular box is provided with a head model teaching aid.

Preferably, the lifting mechanism includes a threaded rod, which is rotatably mounted on the top inner wall of the rectangular groove, and the top of the rectangular rod is provided with a threaded groove, and the threaded rod is threadedly connected with the threaded groove.

Preferably, a manual rod is installed on the outer side of the lifting column, a first bevel gear is installed on the inner end of the manual rod, and a second bevel gear is set on the outside of the threaded rod, and the first bevel gear and the second bevel gear are meshed , the outside of the manual lever is equipped with a rocker.

Preferably, the rotating mechanism includes a ring, a rotating rod is installed in the ring, a bearing is fixedly installed in the ring, the rotating rod is connected with the inner ring of the bearing, the top of the rotating rod is connected with the bottom of the rectangular box, and the rotating rod There are multiple elastic grooves on the outside of the ring, and an elastic rod is slidably installed in the elastic groove. The same spring is installed between the elastic rod and the elastic groove. There are multiple arc-shaped grooves on the inner wall of the ring. The elastic rod and the arc-shaped groove Two-way clamping on the inner wall.

Preferably, a screw is installed on the top of the rectangular box, and a screw groove is provided at the bottom of the head model teaching aid, and the screw is threadedly connected with the screw groove.

In the utility model, the beneficial effect of the described a kind of teaching demonstration teaching aid:

This scheme pushes the whole body through two push handles, and the four universal wheels set on the ground balls can move the whole body conveniently. The model teaching aids are installed on the top of the rectangular box, and can be disassembled and replaced in the same way;

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

This scheme rotates the rectangular box to drive the rotating rod to rotate in the ring, so that the rectangular box drives the head model teaching aid to rotate, and solves the technical problem that the head model teaching aid cannot be adjusted in angle;

The utility model is convenient for height and angle adjustment, and convenient for teaching demonstration.

Description of drawings

Fig. 1 is the structural representation of a kind of teaching demonstration teaching aid that the utility model proposes;

Fig. 2 is a schematic diagram of the structure of part A of a teaching demonstration teaching aid proposed by the utility model;

Fig. 3 is a schematic diagram of the three-dimensional structure of the ring proposed by the present invention.

In the figure: 1. base; 2. universal wheel; 3. rectangular rod; 4. lifting column; 5. rectangular slot; 6. threaded rod; 7. manual rod; 8. first bevel gear; 9. second cone Gear; 10, handle; 11, ring; 12, rotating rod; 13, elastic rod; 14, spring; 15, arc groove; 16, elastic groove; 17, rectangular box; 18, push-pull drawer; 19, head Department model teaching aids; 20, screw groove; 21, screw; 22, push handle; 23, thread groove.

detailed description

The following will clearly and completely describe the technical solutions in this embodiment with reference to the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, not all of the embodiments.

Embodiment one

Referring to Figures 1-3, a demonstration teaching aid for teaching includes a base 1, four universal wheels 2 are installed on the bottom of the base 1, a rectangular rod 3 is installed on the top of the base 1, and a lifting column is installed slidingly on the outside of the rectangular rod 3 4. Two push handles 22 are installed on the outside of the lifting column 4. The two push handles 22 are arranged in a V shape, and the angle between the two push handles 22 is 60 degrees. The two push handles 22 can be used to easily push the whole body. Move, the bottom of the lifting column 4 is provided with a rectangular groove 5, the rectangular rod 3 is slidingly connected with the inner wall of the rectangular groove 5, a lifting mechanism is arranged in the rectangular groove 5, the lifting mechanism is connected with the rectangular rod 3, and the top of the lifting column 4 is provided with a rotating mechanism, the top of the rotating mechanism is connected with a rectangular box 17, and the top of the rectangular box 17 is provided with a head model teaching aid 19.

With reference to Fig. 1-2, in the present embodiment, lifting mechanism comprises threaded rod 6, and threaded rod 6 is installed on the top inner wall of rectangular groove 5 in rotation, and the top of rectangular rod 3 is provided with threaded groove 23, and threaded rod 6 and threaded groove 23 Threaded connection, the outer rotation of the lifting column 4 is equipped with a manual lever 7, the inner end of the manual lever 7 is equipped with a first bevel gear 8, the outer side of the threaded rod 6 is provided with a second bevel gear 9, the first bevel gear 8 and the second bevel gear The two bevel gears 9 are meshed, and a crank handle 10 is installed on the outside of the manual lever 7; the crank handle 10 drives the manual lever 7 to rotate, and the manual lever 7 drives the threaded rod 6 to rotate through the first bevel gear 8 and the second bevel gear 9, and the screw thread The rod 6 pushes the rectangular rod 3 to slide relative to the lifting column 4 through the thread groove 23, and the height of the head model teaching aid 19 can be adjusted by adjusting the height of the rectangular box 17.

With reference to Fig. 2, in the present embodiment, rotating mechanism comprises circular ring 11, and rotating rod 12 is installed in circular ring 11, and bearing is fixedly installed in circular ring 11, and rotating rod 12 links to each other with the inner ring of bearing, and rotating rod 12 The top links to each other with the bottom of the rectangular box 17, and the outside of the rotating rod 12 is provided with a plurality of elastic grooves 16, and elastic rods 13 are slidably installed in the elastic grooves 16, and the same spring 14 is installed between the elastic rods 13 and the elastic grooves 16. The inner wall of the ring 11 is provided with a plurality of arc-shaped grooves 15, and the elastic rod 13 is bidirectionally engaged with the inner wall of the arc-shaped groove 15; the rectangular box 17 can rotate, and the spring 14 provides elastic force for the elastic rod 13, so that the elastic rod 13 enters the arc. In the groove 15, the stability of the rotating rod 12 can be increased.

Referring to Fig. 1, in the present embodiment, a screw rod 21 is installed on the top of the rectangular box 17, and a screw groove 20 is provided at the bottom of the head model teaching aid 19, and the screw rod 21 is threadedly connected with the screw groove 20.

Working principle, when in use, the whole body is pushed by two push handles 22, and the four universal wheels 2 are set on the ground to make it easy to move the whole body. The head model teaching aid 19 is placed on the top of the rectangular box 17, and the screw 21 Connected with the screw groove 20, the head model teaching aid 19 can be installed on the top of the rectangular box 17. The set push-pull drawer 18 can facilitate the storage of tools. The crank handle 10 drives the manual lever 7 to rotate, and the manual lever 7 passes through the first bevel gear. 8 and the second bevel gear 9 drive the threaded rod 6 to rotate, and the threaded rod 6 pushes the rectangular rod 3 to slide relative to the lifting column 4 through the threaded groove 23, and the height of the head model teaching aid 19 can be adjusted by adjusting the height of the rectangular box 17 to solve the problem. For the technical problem that the height cannot be adjusted, turn the rectangular box 17, and the rectangular box 17 drives the rotating rod 12 to rotate in the ring 11, so that the rectangular box 17 drives the head model teaching aid 19 to rotate, and solves the technical problem that the head model teaching aid 19 cannot adjust the angle , It is convenient to adjust the height and angle, and it is convenient for teaching demonstration.

Embodiment two

The difference between Embodiment 2 and Embodiment 1 is that two drawer holes are provided on the rectangular box 17, and a push-pull drawer 18 is arranged in the two drawer holes, and the push-pull drawer 18 is used for storing tools. All structures in this application The material and length can be selected according to the actual use situation. The attached drawings are schematic structural diagrams, and the specific actual size can be adjusted appropriately.

The above is only a preferred specific implementation mode of this embodiment, but the scope of protection of this embodiment is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in this embodiment Any equivalent replacement or change of the technical solution and the concept of the utility model of the example shall fall within the scope of protection of the present embodiment.

Claims (7)

1. A demonstration teaching aid for teaching, comprising a base (1), four universal wheels (2) are installed on the bottom of the base (1), it is characterized in that a rectangular bar (3) is installed on the top of the base (1) ), the outer side of the rectangular rod (3) is slidingly installed with a lifting column (4), and the bottom of the lifting column (4) is provided with a rectangular groove (5), and the rectangular rod (3) is slidingly connected with the inner wall of the rectangular groove (5). A lifting mechanism is arranged in the groove (5), and the lifting mechanism is connected with the rectangular rod (3). The top of the lifting column (4) is provided with a rotating mechanism, and the top of the rotating mechanism is connected with a rectangular box (17). Inside the rectangular box (17) Two push-pull drawers (18) are arranged, and a head model teaching aid (19) is arranged on the top of the rectangular box (17). 2. A kind of teaching demonstration teaching aid according to claim 1, characterized in that, the lifting mechanism comprises a threaded rod (6), and the threaded rod (6) is rotatably mounted on the top inner wall of the rectangular groove (5), and the rectangular groove (5) The top of the rod (3) is provided with a threaded groove (23), and the threaded rod (6) is threadedly connected with the threaded groove (23). 3. A kind of demonstration teaching aid for teaching according to claim 2, characterized in that, a manual lever (7) is installed on the outer side of the lifting column (4) for rotation, and a first The bevel gear (8), the outer side of the threaded rod (6) is provided with the second bevel gear (9), the first bevel gear (8) meshes with the second bevel gear (9), and the outer side of the manual rod (7) is installed There is a crank handle (10). 4. A kind of teaching demonstration teaching aid according to claim 1, is characterized in that, described rotating mechanism comprises circular ring (11), and rotating rod (12) is installed in circular ring (11), and circular ring (11) ) is fixedly equipped with a bearing, the rotating rod (12) links to each other with the inner ring of the bearing, and the top of the rotating rod (12) links to each other 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 provided on the outside of the rotating rod (12), and elastic rods are slidably installed in the elastic grooves (16) (13), the same spring (14) is installed between the elastic rod (13) and the elastic groove (16), and a plurality of arc grooves (15) are provided on the inwall of the ring (11), and the elastic rod (13) It is bidirectionally clamped with the inner wall of the arc groove (15). 6. a kind of teaching demonstration teaching aid according to claim 1 is characterized in that, the top of described rectangular box (17) is equipped with screw rod (21), and the bottom of head model teaching aid (19) offers screw rod groove ( 20), the screw rod (21) is threadedly connected with the screw rod groove (20). 7. A teaching demonstration teaching aid according to claim 1, characterized in that two push handles (22) are installed on the outside of the lifting column (4), and the two push handles (22) are V-shaped. , and the angle between the two push handles (22) is 60 degrees.

Images