CN213815130U

CN213815130U - Law teaching removes presentation device

Info

Publication number: CN213815130U
Application number: CN202023235992.6U
Authority: CN
Inventors: 岳学敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-07-27
Anticipated expiration: 2030-12-29

Abstract

The utility model belongs to the technical field of teaching apparatus, and a law teaching removes presentation device is disclosed. The utility model comprises a base, wherein the upper surface of the base is fixedly connected with two fixed rods, the peripheral sides of the two fixed rods are connected with a height adjusting component in a sliding way, a first surface of the height adjusting component is fixedly connected with a support, a first surface of the support is fixedly connected with a limiting component, and the inner wall of the support is rotatably connected with a demonstration mechanism; the height adjusting assembly comprises a lifting seat, the inner wall of the lifting seat is in sliding fit with a fixed rod, one surface of the lifting seat is fixedly connected with a support, the inner wall of the lifting seat is rotatably connected with a driving gear, the inner wall of the lifting seat is in sliding connection with two clamping seats, one surface of each clamping seat is meshed with the driving gear, the inner wall of the lifting seat is fixedly connected with two retaining seats, and the two retaining seats are fixedly connected with a first spring. The utility model discloses a design of support, spacing subassembly and demonstration mechanism makes the device possess the advantage that uses convenient and the practicality is strong.

Description

Law teaching removes presentation device

Technical Field

The utility model belongs to the technical field of teaching apparatus, specifically a law teaching removes presentation device.

Background

The law, which is related to the science of law, is a science taking law, legal phenomena and regularity thereof as research contents, and the law is taken as mandatory regulations of society, and directly aims to maintain social order and realize social justice through the construction and maintenance of the order; in china, the law thought was originally derived from the philosophy of the law in the times of spring, autumn and warring, the law was called "criminal name" in the times of the first dynasty in china, the name of law was from the chinese era, and in the west, the definition of the ancient roman law-based ulbian on the word "law" was: concept of human and mental affairs, science of sense and non-sense; as of 2020, China mainland has 52 schools with the grant of first-class law doctor's Point, and is an educational highland cultivated by national lawful talents.

In the process of law teaching for college students, a teacher can write related knowledge points on a blackboard in front of a classroom, but the blackboard is fixed on the wall surface and is far away from the students, so that the teaching quality is to be improved.

The utility model aims at providing a law teaching mobile presentation device, when a teacher teaches the law, the teacher can conveniently move the presentation device according to actual needs, so that students can clearly see the knowledge points written on the presentation device, and the concentration degree of the students can be improved, thereby improving the teaching quality; meanwhile, the device can be unfolded when in use and folded after use, so that the use convenience and practicability of the device are improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a law teaching removes presentation device has the advantage that uses convenient and the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a law teaching movement demonstration device comprises a base, wherein the upper surface of the base is fixedly connected with two fixed rods, the peripheral sides of the two fixed rods are connected with a height adjusting assembly in a sliding mode, one surface of the height adjusting assembly is fixedly connected with a support, one surface of the support is fixedly connected with a limiting assembly, and the inner wall of the support is rotatably connected with a demonstration mechanism;

the height adjusting assembly comprises a lifting seat, the inner wall of the lifting seat is in sliding fit with a fixed rod, one surface of the lifting seat is fixedly connected with a support, the inner wall of the lifting seat is rotatably connected with a driving gear, the inner wall of the lifting seat is in sliding connection with two clamping seats, one surface of each clamping seat is meshed with the driving gear, the inner wall of the lifting seat is fixedly connected with two baffle seats, one surface of each baffle seat is fixedly connected with a first spring, and the other end of each first spring is fixedly connected with a clamping seat in a corresponding position;

the limiting assembly comprises an outer barrel, one surface of the outer barrel is fixedly connected with the support, the inner wall of the outer barrel is connected with a positioning seat in a sliding mode, one surface of the positioning seat is fixedly connected with a sliding column, the peripheral side face of the sliding column is in sliding fit with the outer barrel, and a second spring is sleeved on the peripheral side face of the sliding column;

the demonstration mechanism is including rotating the seat, it rotates with the support to rotate seat week side and is connected, it is connected with the outer demonstration board to rotate a fixed surface of seat, show inboard wall sliding connection has interior demonstration board outward, a fixed surface of outer demonstration board is connected with fixed subassembly, fixed subassembly includes the connecting seat, connecting seat inner wall sliding connection has the sliding seat, a fixed surface of sliding seat is connected with the carriage release lever, carriage release lever week side and connecting seat sliding fit, carriage release lever week side cover is equipped with third reset spring.

As a preferred technical scheme of the utility model, a set of braked wheel that is the rectangle array and distributes of surface fixed connection under the base, traveller one end fixedly connected with displacement plate, a displacement plate fixed surface is connected with the handle.

As a preferred technical scheme of the utility model, dead lever week side seted up with cassette matched with draw-in groove, a lift seat surface rotates and is connected with the knob, a knob surface and drive gear fixed connection.

As a preferred technical scheme of the utility model, the side fixedly connected with is a set of arc piece that is circumference array distribution around the positioning seat, a set of arc wall that is circumference array distribution is seted up to the urceolus inner wall, and is a set of arc piece surface all with the arc wall sliding fit who corresponds the position.

As a preferred technical scheme of the utility model, rotate a surface and seted up the constant head tank with positioning seat matched with, carriage release lever one end fixedly connected with adjusting knob, interior show board surface is seted up two and sliding seat matched with round hole.

As a preferred technical scheme of the utility model, two spouts have been seted up to outer display panel inner wall, two sliders of interior display panel fixed surface connection, two the slider surface all with the spout sliding fit who corresponds the position, a fixed surface of outer display panel is connected with and pulls the seat.

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

1. the utility model discloses a support, spacing subassembly and demonstration mechanism's design, when needing to use the device, outwards stimulate the handle earlier, the handle can drive the positioning seat and shift out from the constant head tank, afterwards alright 90 rotate demonstration mechanism, recycle the positioning seat and fix demonstration mechanism, afterwards through adjusting fixed subassembly, take out interior show board from outer show board, utilize fixed subassembly to fix interior show board, after the device expandes, alright be used for the teaching; after the device is used, the device is folded, the occupied space of the device is reduced, and the device is convenient to store and transfer, so that the use convenience and the practicability of the device are obviously improved.

2. The utility model discloses a dead lever and altitude mixture control subassembly's design rotates behind the knob, alright upwards or the lift seat of lapse moves, highly adjusts demonstration mechanism to make the device can be applicable to the teacher of multiple different heights, simultaneously, also make the device can satisfy the teaching needs of multiple difference, make the device can be applicable to the teaching scene of multiple difference, and then hoisting device's suitability and practicality.

3. The utility model discloses a design of base and braked wheel, in the use, through adjusting the braked wheel, alright make the device be in mobile state or fixed state, when being in mobile state under, the device is convenient for remove, when being in fixed state, the device possesses good stability to hoisting device's use convenience and practicality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a deformed configuration of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a cross-sectional view of another section of FIG. 3;

FIG. 5 is a schematic structural view of a driving gear, a clamping seat and a blocking seat;

FIG. 6 is an exploded view of the stop assembly and the bracket;

FIG. 7 is a schematic structural view of an outer display plate, an inner display plate and a fixing member;

fig. 8 is an enlarged view of fig. 7 at a.

In the figure: 1. a base; 2. fixing the rod; 3. a height adjustment assembly; 4. a support; 5. a limiting component; 6. a demonstration mechanism; 7. a lifting seat; 8. a drive gear; 9. a card holder; 10. a blocking seat; 11. a first spring; 12. an outer cylinder; 13. positioning seats; 14. a traveler; 15. a second spring; 16. a rotating seat; 17. an outer display panel; 18. an inner display board; 19. a fixing assembly; 20. a connecting seat; 21. a sliding seat; 22. a travel bar; 23. a brake wheel; 24. a displacement plate; 25. a handle; 26. a rotation knob; 27. an adjusting knob; 28. a circular hole.

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.

As shown in fig. 1-8, the utility model provides a law teaching movement demonstration device, which comprises a base 1, wherein two fixed rods 2 are fixedly connected to the upper surface of the base 1, a height adjusting component 3 is connected to the peripheral side of the two fixed rods 2 in a sliding manner, a support 4 is fixedly connected to one surface of the height adjusting component 3, a limiting component 5 is fixedly connected to one surface of the support 4, and a demonstration mechanism 6 is rotatably connected to the inner wall of the support 4;

the height adjusting assembly 3 comprises a lifting seat 7, the inner wall of the lifting seat 7 is in sliding fit with the fixed rod 2, one surface of the lifting seat 7 is fixedly connected with the support 4, the inner wall of the lifting seat 7 is rotatably connected with a driving gear 8, the inner wall of the lifting seat 7 is in sliding connection with two clamping seats 9, one surface of each of the two clamping seats 9 is meshed with the driving gear 8, the inner wall of the lifting seat 7 is fixedly connected with two blocking seats 10, one surface of each of the two blocking seats 10 is fixedly connected with a first spring 11, and the other end of each of the two first springs 11 is fixedly connected with the clamping seat 9 in the corresponding position;

the limiting component 5 comprises an outer cylinder 12, one surface of the outer cylinder 12 is fixedly connected with the support 4, the inner wall of the outer cylinder 12 is connected with a positioning seat 13 in a sliding manner, one surface of the positioning seat 13 is fixedly connected with a sliding column 14, the peripheral side surface of the sliding column 14 is in sliding fit with the outer cylinder 12, and a second spring 15 is sleeved on the peripheral side surface of the sliding column 14;

demonstration mechanism 6 is including rotating seat 16, it is connected with support 4 to rotate 16 week sides of seat, it is connected to rotate 16 outer display board 17 of a fixed surface of seat, show board 18 in 17 inner wall sliding connection of outer display board, 17 a fixed surface of outer display board is connected with fixed subassembly 19, fixed subassembly 19 includes connecting

seat

20, 20 inner wall sliding connection of connecting seat has a sliding seat 21, a fixed surface of sliding seat 21 is connected with

carriage release lever

22, 22 week sides of carriage release lever and 20 sliding fit of connecting seat, 22 week side covers of carriage release lever are equipped with third reset spring.

As shown in fig. 1 and 3, a set of brake wheels 23 distributed in a rectangular array is fixedly connected to the lower surface of the base 1, a displacement plate 24 is fixedly connected to one end of the strut 14, and a handle 25 is fixedly connected to one surface of the displacement plate 24.

As shown in fig. 2 and 3, a clamping groove matched with the clamping seat 9 is formed on the peripheral side surface of the fixing rod 2, a rotating button 26 is rotatably connected to one surface of the lifting seat 7, and one surface of the rotating button 26 is fixedly connected with the driving gear 8.

As shown in fig. 6, a set of arc-shaped blocks distributed in a circumferential array is fixedly connected to the peripheral side surface of the positioning seat 13, a set of arc-shaped grooves distributed in a circumferential array is formed in the inner wall of the outer cylinder 12, and the surfaces of the arc-shaped blocks are in sliding fit with the arc-shaped grooves at corresponding positions.

As shown in fig. 4, 7 and 8, a positioning groove is formed on one surface of the rotating base 16 and is matched with the positioning seat 13, an adjusting button 27 is fixedly connected to one end of the moving rod 22, two circular holes 28 matched with the sliding seats 21 are formed on one surface of the inner display board 18, and the circular holes 28 and the sliding seats 21 are matched with each other to fix the inner display board 18.

As shown in fig. 7, two sliding grooves are formed in the inner wall of the outer display plate 17, two sliding blocks are fixedly connected to the surface of the inner display plate 18, the surfaces of the two sliding blocks are in sliding fit with the sliding grooves at corresponding positions, and a pulling seat is fixedly connected to one surface of the outer display plate 17.

The utility model discloses a theory of operation and use flow:

when the device needs to be used, firstly, the handle 25 is pulled, the handle 25 drives the displacement plate 24 to move, the displacement plate 24 drives the sliding column 14 to move, the sliding column 14 drives the positioning seat 13 to move, the positioning seat 13 is moved out of the positioning groove, then the outer display plate 17 can be rotated by 90 degrees, the outer display plate 17 is changed from a vertical state to a horizontal state, then the handle 25 is loosened, the positioning seat 13 moves back into the positioning groove again under the action of the second spring 15, and the rotating seat 16 is fixed; then, the adjusting button 27 is pulled outwards, the adjusting button 27 drives the moving rod 22 to move, the moving rod 22 drives the sliding seat 21 to move, the sliding seat 21 is moved out of the circular hole 28, then the inner display board 18 is moved out of the outer display board 17 by using the pulling seat, and under the action of a third return spring, the sliding seat 21 is moved into another circular hole 28 to fix the inner display board 18; when the heights of the outer display board 17 and the inner display board 18 need to be adjusted, the rotating button 26 is rotated, the rotating button 26 drives the driving gear 8 to rotate, the driving gear 8 drives the clamping seat 9 to move towards the inner side, the clamping seat 9 is moved out of the clamping groove, then the lifting seat 7 moves upwards or downwards, after the height is adjusted, the rotating button 26 is loosened, the clamping seat 9 is reset under the action of the first spring 11, the clamping seat 9 is moved back into the clamping groove, and the adjustment is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a law teaching removes presentation device, includes base (1), its characterized in that:

the upper surface of the base (1) is fixedly connected with two fixing rods (2), the peripheral sides of the two fixing rods (2) are connected with a height adjusting assembly (3) in a sliding mode, one surface of the height adjusting assembly (3) is fixedly connected with a support (4), one surface of the support (4) is fixedly connected with a limiting assembly (5), and the inner wall of the support (4) is rotatably connected with a demonstration mechanism (6);

the height adjusting assembly (3) comprises a lifting seat (7), the inner wall of the lifting seat (7) is in sliding fit with the fixing rod (2), one surface of the lifting seat (7) is fixedly connected with the support (4), the inner wall of the lifting seat (7) is rotatably connected with a driving gear (8), the inner wall of the lifting seat (7) is in sliding connection with two clamping seats (9), one surfaces of the two clamping seats (9) are both meshed with the driving gear (8), the inner wall of the lifting seat (7) is fixedly connected with two baffle seats (10), one surfaces of the two baffle seats (10) are both fixedly connected with first springs (11), and the other ends of the two first springs (11) are both fixedly connected with clamping seats (9) in corresponding positions;

the limiting component (5) comprises an outer barrel (12), one surface of the outer barrel (12) is fixedly connected with the support (4), the inner wall of the outer barrel (12) is connected with a positioning seat (13) in a sliding mode, one surface of the positioning seat (13) is fixedly connected with a sliding column (14), the peripheral side face of the sliding column (14) is in sliding fit with the outer barrel (12), and a second spring (15) is sleeved on the peripheral side face of the sliding column (14);

demonstration mechanism (6) is including rotating seat (16), it is connected to rotate seat (16) week side and support (4) rotation, it shows board (17) to rotate seat (16) fixed surface connection, show board (17) inner wall sliding connection outward and show board (18) in, show board (17) fixed surface connection has fixed subassembly (19) outward, fixed subassembly (19) are including connecting seat (20), connecting seat (20) inner wall sliding connection has sliding seat (21), sliding seat (21) fixed surface connection has carriage release lever (22), carriage release lever (22) week side and connecting seat (20) sliding fit, carriage release lever (22) week side cover is equipped with third reset spring.

2. The forensic teaching mobile presentation device of claim 1 wherein: the brake device is characterized in that a group of brake wheels (23) distributed in a rectangular array are fixedly connected to the lower surface of the base (1), a displacement plate (24) is fixedly connected to one end of the sliding column (14), and a handle (25) is fixedly connected to one surface of the displacement plate (24).

3. The forensic teaching mobile presentation device of claim 1 wherein: the clamping groove matched with the clamping seat (9) is formed in the peripheral side face of the fixed rod (2), a rotating button (26) is rotatably connected to one surface of the lifting seat (7), and one surface of the rotating button (26) is fixedly connected with the driving gear (8).

4. The forensic teaching mobile presentation device of claim 1 wherein: the side face of the positioning seat (13) is fixedly connected with a group of arc-shaped blocks distributed in a circumferential array, the inner wall of the outer barrel (12) is provided with a group of arc-shaped grooves distributed in a circumferential array, and the surfaces of the arc-shaped blocks are in sliding fit with the arc-shaped grooves in corresponding positions.

5. The forensic teaching mobile presentation device of claim 1 wherein: one surface of the rotating seat (16) is provided with a positioning groove matched with the positioning seat (13), one end of the moving rod (22) is fixedly connected with an adjusting button (27), and one surface of the inner display plate (18) is provided with two round holes (28) matched with the sliding seat (21).

6. The forensic teaching mobile presentation device of claim 1 wherein: two chutes are formed in the inner wall of the outer display plate (17), two sliding blocks and two sliding blocks are fixedly connected to the surface of the inner display plate (18), the surfaces of the sliding blocks are in sliding fit with the chutes corresponding to the positions, and a pulling seat is fixedly connected to the surface of the outer display plate (17).