Road traffic demonstration model

Abstract

The utility model relates to the field of road traffic demonstration, and discloses a road traffic demonstration model, which comprises two supporting stools, the two supporting stools are transversely arranged, the lower end surfaces and the upper end surfaces of the two supporting stools are respectively provided with a folding detachable structure, a first placing plate is arranged at the center of the upper end surface of the supporting stool close to one side, and a second placing plate is arranged at the center of the upper end surface of the supporting stool close to the other side. A third placing plate is arranged at the center of the upper end face of the supporting stool close to the other side, a second placing plate is arranged at the centers of the upper end faces of the two supporting stools, and traffic demonstration structures are arranged at the centers of the upper end face of the first placing plate, the upper end face of the second placing plate and the upper end face of the third placing plate. According to the folding stool, the supporting legs are connected with the rotating frame through the rotating shafts to achieve the folding function, storage and transportation are convenient, meanwhile, through connection of the first bolts and cooperation of the clamping blocks and the clamping grooves, the first containing plate, the third containing plate and the supporting stool are stably connected and convenient to disassemble and assemble, the folding stool can be conveniently stored when not used, and the overall size is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to road traffic demonstration field especially, and it is a kind of road traffic demonstration model. BACKGROUND

[0002] Road traffic demonstration model is a tool for simulating and showing traffic control scheme, which can help road operation and construction unit to carry out road culture display, control scheme display and control technology key training.

[0003] Because traditional road traffic demonstration model usually adopts fixed structure, bulky and not easy to disassemble, occupy a lot of space when storing and transporting, inconvenient to carry, may need additional storage space, increase the use cost, therefore, the technical personnel of the present art provides a kind of road traffic demonstration model to solve the problems presented in the above background technology. UTILIT Y MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art, and provides a road traffic demonstration model, the support leg is connected with the rotating frame through the rotating shaft to realize folding function, reduce the occupied space, it is convenient to store and transport, at the same time, the first placing plate is connected stably with the third placing plate and the stool through the cooperation of first bolt connection and block slot, and disassembly and assembly are facilitated, can be conveniently stored when not being used, reduce the overall volume, the drawer is realized by sliding block, and the plurality of placing grooves on the drawer can store small articles required by road traffic demonstration, provide special storage space for model, facilitate demonstration articles to be stored and managed, make the whole model more complete and practical, the protective pad plays the role of protecting the placing plate, prolongs the service life of model, and adds the buffer function to the whole demonstration, the plurality of magnetic slots cooperate with magnet to make the indicator board conveniently adjust position and quantity, improve demonstration flexibility, can simulate complex traffic scene, and improve traffic rule learning effect.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of road traffic demonstration model, including two stools, two described stools are arranged in transverse, and the lower end surface and upper end surface of two described stools are equipped with folding disassembly structure, first placing plate is equipped in the upper end surface center of the stool on one side, third placing plate is equipped in the upper end surface center of the stool on the other side, second placing plate is equipped in the upper end surface center of two described stools, traffic demonstration structure is equipped in the upper end surface center of first placing plate, second placing plate, third placing plate, storage structure is equipped in the lower end surface center of first placing plate and third placing plate on one side;

[0006] By the above technical scheme, the support legs are connected with the rotating frames through the rotating shafts to realize the folding function, reduce the occupied space, facilitate storage and transportation, and meanwhile, the first placing plate is stably connected with the third placing plate and the supporting stool through the first bolts and the block-slot cooperation, and is convenient to disassemble and assemble, so that the model can be conveniently stored when not in use, the overall volume is reduced, the drawer is pulled out through the sliding block, the plurality of placing slots on the drawer can store small items required for road traffic demonstration, and the model is provided with a special storage space, which facilitates storage and management of demonstration items, makes the whole model more complete and practical, the protective pad not only protects the placing plate and prolongs the service life of the model, but also adds a buffering function to the whole demonstration, the plurality of magnetic slots cooperate with the magnet to allow the indicator to be conveniently adjusted in position and quantity, improve the demonstration flexibility, simulate complex traffic scenes, and improve the traffic rule learning effect.

[0007] Further, the two folding and disassembling structures include eight rotating frames, eight support legs, eight rotating shafts, four first bolts, two blocks and two slots, the eight rotating frames are arranged in two groups of four, the two groups of rotating frames are arranged in a rectangular array on the lower end faces of the two supporting stools, the eight support legs are arranged at the lower center of the eight rotating frames, the eight rotating shafts are arranged at the lower center of the front end faces of the eight rotating frames, one end of each of the eight rotating shafts penetrates the front end face of the eight rotating frames, the front end face of the eight support legs and the rear end face of the eight rotating frames, and the end is threadedly connected to the inside of the eight rotating frames, the four first bolts are arranged on the upper end faces of the first placing plate and the third placing plate at the front and rear sides, the two blocks are arranged at the lower end faces of the first placing plate and the third placing plate at the center of one side, and the two slots are arranged at the upper end faces of the two supporting stools at the center of one side.

[0008] By the above technical scheme, the support legs are connected with the rotating frames through the rotating shafts, so that the support legs can rotate around the rotating shafts to realize the folding function of the support legs, when needed, the support legs are unfolded to a suitable angle to support the supporting stool, when not in use, the support legs can be folded up to reduce the occupied space, and the first placing plate and the third placing plate are connected with the two supporting stools through the four first bolts and the block-slot cooperation, which is more stable and convenient to disassemble and assemble, so that the road traffic demonstration model can be conveniently stored when not in use, the overall volume is reduced, and the model is convenient to store and transport, when the model needs to be transported or stored, the first placing plate and the third placing plate can be disassembled from the supporting stool for packaging and storage, respectively, to reduce the overall volume.

[0009] Further, the traffic demonstration structure comprises a protective pad, a road plate, a plurality of magnetic slots, a plurality of magnets and a plurality of signboards, the protective pad is arranged at the center of the upper end face of the first placement plate, the second placement plate and the third placement plate, the road plate is arranged at the center of the upper end face of the protective pad, a plurality of the magnetic slots are arranged in transverse arrangement at the front and rear of the center of the upper end face of the road plate, a plurality of the magnets are arranged at the inner center of a plurality of the magnetic slots respectively, and a plurality of the signboards are arranged on the upper end face of a plurality of the magnets at the inner center of a plurality of the magnetic slots respectively.

[0010] Through the above technical scheme, the protective pad protects the first placement plate, the second placement plate and the third placement plate, the road plate is used for simulating a road, the signboards are arranged at the inner center of the magnetic slots by the adsorption of the magnets, the position and the number of the signboards can be easily adjusted according to the needs of the demonstration, and the position and the combination of the signboards can be quickly adjusted according to different scenes and teaching needs during the road traffic demonstration, thereby increasing the flexibility and the diversity of the demonstration.

[0011] Further, the two storage structures comprise two sliding frames, two drawers, eight second bolts, a plurality of placement slots and four sliding blocks, the two sliding frames are arranged at the center of the lower end face of the first placement plate and the third placement plate respectively, the two drawers are slidably connected at the inner center of the two sliding frames respectively, the four sliding blocks are arranged at the rear center of the two side walls of the two drawers respectively, the plurality of placement slots are arranged in rectangular arrangement at the center of the upper end face of the two drawers, the eight second bolts are arranged in two groups, four second bolts in each group, and the two groups of second bolts are arranged in rectangular arrangement on the lower end face of the two sliding frames, one end of the eight second bolts is sequentially penetrated through the lower end face of the two sliding frames, the lower end face of the first placement plate and the third placement plate, and reaches the first placement plate and the inner part respectively, and the other end is threadedly connected in the first placement plate and the third placement plate respectively.

[0012] Through the above technical scheme, the sliding frame is fixed at the center of the lower end face of the first placement plate and the third placement plate by the eight second bolts, the second bolt ensures that the sliding frame is installed firmly, the two drawers are slidably connected with the sliding frame through the four sliding blocks, so that the drawer can be pulled out in the sliding frame, the plurality of placement slots are used for storing small items required for road traffic demonstration, and a special storage space is provided for the road traffic demonstration model, which is convenient for storing small items required for demonstration, not only can be used for demonstrating road traffic scenes, but also can conveniently store and manage items required for demonstration, so that the whole model is more complete and practical.

[0013] Further, one end of the four first bolts is sequentially penetrated through the upper end face of the first placement plate, the upper end face of the third placement plate and the upper end face of the two supporting stools, and reaches the lower end face of the two supporting stools, and the other end is threadedly connected in the two supporting stools respectively.

[0014] Through the technical scheme, the first placing plate and the third placing plate will not shake or displace when road traffic demonstration is performed, stability of the demonstration is ensured, and the first placing plate and the third placing plate are convenient to disassemble and assemble.

[0015] Further, the two clamping blocks are respectively matched with the two clamping grooves.

[0016] Through the technical scheme, installation is more convenient and faster, and movement is prevented.

[0017] Further, the plurality of indication boards are respectively matched with the plurality of magnetic attraction grooves.

[0018] Through the technical scheme, the indication board can be easily moved from one magnetic attraction groove to another magnetic attraction groove during the demonstration process, the position of the indication board is conveniently adjusted, and different road traffic scenes are simulated.

[0019] The utility model has the advantages of the following beneficial effects:

[0020] 1. In the utility model, the road traffic demonstration model support leg is connected with the rotating frame through the rotating shaft to realize the folding function, the occupied space is reduced, storage and transportation are facilitated, meanwhile, the first placing plate is stably connected with the third placing plate and the supporting stool through the first bolt connection and the clamping block clamping groove cooperation, and convenient disassembly and assembly are facilitated, and the whole volume is reduced when not in use.

[0021] 2. In the utility model, the drawer is pulled out through the sliding block, and the plurality of placing grooves on the drawer can store small articles required for road traffic demonstration, and provide special storage space for the model, facilitate storage and management of demonstration articles, and make the whole model more complete and practical.

[0022] 3. In the utility model, the protection pad plays the role of protecting the placing plate and prolonging the service life of the model, and adds the buffering function to the whole demonstration, the plurality of magnetic attraction grooves cooperate with the magnet to make the indication board convenient to adjust the position and the number, improve the demonstration flexibility, simulate the complex traffic scene, and improve the traffic rule learning effect. DRAWINGS

[0023] Figure 1 A perspective view of a road traffic demonstration model is provided for the utility model;

[0024] Figure 2 A perspective split view of a road traffic demonstration model is provided for the utility model;

[0025] Figure 3 A perspective development view of a road traffic demonstration model storage structure is provided for the utility model;

[0026] Figure 4The utility model provides a road traffic demonstration model's vertical section view.

[0027] Legend:

[0028] 1, support stool, 2, folding dismounting structure, 201, rotating frame, 202, support leg, 203, rotating shaft, 204, first bolt, 205, clamping block, 206, clamping groove, 3, first placing plate, 4, second placing plate, 5, third placing plate, 6, traffic demonstration structure, 601, protective pad, 602, road board, 603, magnetic attraction groove, 604, magnet, 605, signboard, 7, storage structure, 701, sliding frame, 702, drawer, 703, second bolt, 704, placing groove, 705, sliding block. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of the utility model protection.

[0030] Reference Figures 1-4 , the utility model provides an embodiment: a road traffic demonstration model, including two support stools 1, two support stools 1 are transversely arranged, and the lower end surface and the upper end surface of two support stools 1 are each provided with folding dismounting structure 2, the upper end surface center of the support stool 1 on one side is provided with first placing plate 3, the upper end surface center of the support stool 1 on the other side is provided with third placing plate 5, and the upper end surface center of two support stools 1 is provided with second placing plate 4, the upper end surface center of first placing plate 3, the upper end surface center of second placing plate 4 and the upper end surface center of third placing plate 5 are provided with traffic demonstration structure 6, the lower end surface center of first placing plate 3 and third placing plate 5 on one side is each provided with storage structure 7, and two support stools 1 provide support for the whole model, first placing plate 3, second placing plate 4 and third placing plate 5 form a whole demonstration platform, folding dismounting structure 2 can realize the folding and dismounting function of support stool 1, when needing to transport or store the model, support stool 1 can be folded, and the occupied space is reduced, simultaneously, folding dismounting structure 2 also facilitates separating each component, and maintenance and replacement are facilitated, traffic demonstration structure 6 is used for simulating road traffic scene, and storage structure 7 is used for storing articles related to road traffic demonstration.

[0031] The two folding disassembling structures 2 comprise eight rotating frames 201, eight supporting legs 202, eight rotating shafts 203, four first bolts 204, two clamping blocks 205 and two clamping grooves 206, the eight rotating frames 201 are arranged in two groups in a rectangular shape on the lower end surfaces of the two supporting tables 1, four rotating frames 201 are arranged in each group, the eight supporting legs 202 are arranged at lower inner central parts of the eight rotating frames 201, the eight rotating shafts 203 are arranged at lower central parts of front end surfaces of the eight rotating frames 201, one end portions of the eight rotating shafts 203 are sequentially penetrated through the front end surfaces of the eight rotating frames 201, the front end surfaces of the eight supporting legs 202 and the rear end surfaces of the eight rotating frames 201, and the end portions are threadedly connected to the interiors of the eight rotating frames 201, the four first bolts 204 are arranged at one side of upper end surfaces of the first placing plate 3 and the third placing plate 5, the two clamping blocks 205 are arranged at one side of central parts of lower end surfaces of the first placing plate 3 and the third placing plate 5, and the two clamping grooves 206 are arranged at one side of central parts of upper end surfaces of the two supporting tables 1.

[0032] The supporting leg 202 is connected with the rotating frame 201 through the rotating shaft 203, so that the supporting leg 202 can rotate around the rotating shaft 203, thereby realizing the folding function of the supporting leg 202, when it is needed to use, the supporting leg 202 is unfolded to a suitable angle to support the supporting table 1, when it is not used, the supporting leg 202 can be folded up to reduce the occupied space, and the first placing plate 3 and the third placing plate 5 are connected with the two supporting tables 1 through the four first bolts 204 and the clamping block 205 and the clamping groove 206, the connection between the first placing plate 3 and the third placing plate 5 and the two supporting tables 1 is more stable through the connection of the first bolt 204 and the cooperation of the clamping block 205 and the clamping groove 206, and the first placing plate 3 and the third placing plate 5 are convenient to disassemble and assemble, so that the road traffic demonstration model can be conveniently stored when not in use, the occupied space is reduced, storage and transportation are facilitated, when the model needs to be moved or stored, the first placing plate 3 and the third placing plate 5 can be disassembled from the supporting table 1 for packaging and storage respectively, the overall volume is reduced, one end portions of the four first bolts 204 are sequentially penetrated through the upper end surface of the first placing plate 3, the upper end surface of the third placing plate 5 and the upper end surfaces of the two supporting tables 1 to the lower end surfaces of the two supporting tables 1, and the end portions are threadedly connected to the interiors of the two supporting tables 1, the first placing plate 3 and the third placing plate 5 will not shake or shift during the road traffic demonstration, the stability of the demonstration is ensured, and the first placing plate 3 and the third placing plate 5 are convenient to disassemble and assemble, the two clamping blocks 205 and the two clamping grooves 206 are mutually adapted, so that the installation is more convenient and fast, and movement is prevented.

[0033] The traffic demonstration structure 6 comprises a protective pad 601, a road plate 602, a plurality of magnetic slots 603, a plurality of magnets 604 and a plurality of signboards 605. The protective pad 601 is arranged at the center of the upper end surface of the first placement plate 3, the second placement plate 4 and the third placement plate 5. The road plate 602 is arranged at the center of the upper end surface of the protective pad 601. The plurality of magnetic slots 603 are arranged horizontally at the front and rear of the center of the upper end surface of the road plate 602. The plurality of magnets 604 are respectively arranged at the inner center of the plurality of magnetic slots 603. The plurality of signboards 605 are respectively arranged on the upper end surface of the plurality of magnets 604 at the inner center of the plurality of magnetic slots 603. The protective pad 601 protects the first placement plate 3, the second placement plate 4 and the third placement plate 5. The road plate 602 is used for simulating a road. The signboard 605 is arranged at the inner center of the magnetic slot 603 by the adsorption of the magnet 604. The position and the number of the signboard 605 can be easily adjusted according to the needs of the demonstration. When the road traffic demonstration is performed, the position and the combination of the signboard 605 can be quickly adjusted according to different scenes and teaching needs, so that the flexibility and the diversity of the demonstration are increased. The plurality of signboards 605 are respectively adapted between the plurality of magnetic slots 603. In the demonstration process, the signboard 605 can be easily moved from one magnetic slot 603 to another magnetic slot 603, so that the position of the signboard 605 is conveniently adjusted to simulate different road traffic scenes.

[0034] The two storage structures 7 comprise two sliding frames 701, two drawers 702, eight second bolts 703, a plurality of placing grooves 704 and four sliding blocks 705. The two sliding frames 701 are respectively arranged at the center of the lower end surface of the first placing plate 3 and the third placing plate 5 and close to one side. The two drawers 702 are respectively and slidably connected to the center of the inner part of the two sliding frames 701. The four sliding blocks 705 are respectively arranged at the center of the two side walls of the two drawers 702 and close to the back. The plurality of placing grooves 704 are arranged in a rectangular manner at the center of the upper end surface of the two drawers 702. The eight second bolts 703 are respectively arranged in groups of four. The two groups of second bolts 703 are arranged in a rectangular manner on the lower end surface of the two sliding frames 701. One end of the eight second bolts 703 respectively penetrates the lower end surface of the two sliding frames 701, the lower end surface of the first placing plate 3 and the third placing plate 5, and reaches the first placing plate 3 and the inner part, and the other end is respectively and threadedly connected to the inner part of the first placing plate 3 and the third placing plate 5. The sliding frame 701 is respectively and fixedly connected to the center of the lower end surface of the first placing plate 3 and the third placing plate 5 and close to one side through the eight second bolts 703. The second bolt 703 ensures that the sliding frame 701 is firmly installed. The two drawers 702 are slidably connected to the sliding frame 701 through the four sliding blocks 705, so that the drawer 702 can be pulled out in the sliding frame 701. The plurality of placing grooves 704 are used for storing small articles required for road traffic demonstration, and provide a special storage space for the road traffic demonstration model. The small articles required for demonstration are conveniently stored. The model can not only be used for demonstrating road traffic scenes, but also can conveniently store and manage the articles required for demonstration, so that the whole model is more complete and practical.

[0035] Working principle: The two stools 1 provide support for the whole model. The first placing plate 3, the second placing plate 4 and the third placing plate 5 form an integrated demonstration platform. The supporting leg 202 is connected to the rotating frame 201 through the rotating shaft 203, so that the supporting leg 202 can rotate around the rotating shaft 203, thereby realizing the folding function of the supporting leg 202. When it is needed to use, the supporting leg 202 is unfolded to a suitable angle to support the stool 1. When it is not used, the supporting leg 202 can be folded up to reduce the occupied space. The four first bolts 204 are connected to the stool 1, and the clamping block 205 is connected to the clamping groove 206. The connection between the first placing plate 3 and the third placing plate 5 and the two stools 1 is more stable through the connection of the first bolt 204 and the cooperation of the clamping block 205 and the clamping groove 206. The road traffic demonstration model can be conveniently stored when it is not used, the occupied space is reduced, and the model can be conveniently stored and transported. When the model needs to be moved or stored, the first placing plate 3 and the third placing plate 5 can be detached from the stool 1 and packaged and stored separately to reduce the overall size.

[0036] The protective pad 601 protects the first placement plate 3, the second placement plate 4 and the third placement plate 5, the road plate 602 is used for simulating a road, the indicator 605 is arranged at the inner center of the magnetic slot 603 through the adsorption of the magnet 604, the position and the quantity of the indicator 605 can be easily adjusted according to the needs of demonstration, the position and the combination of the indicator 605 can be quickly adjusted according to different scenes and teaching needs during the road traffic demonstration, the flexibility and the diversity of the demonstration are increased, the sliding frame 701 is fixed at the lower end face center of the first placement plate 3 and the third placement plate 5 through eight second bolts 703, the second bolt 703 ensures that the sliding frame 701 is installed firmly, the two drawers 702 are slidably connected with the sliding frame 701 through four sliding blocks 705, so that the drawer 702 can be pulled out in the sliding frame 701, the plurality of placement slots 704 are used for storing small articles required for road traffic demonstration, and a special storage space is provided for the road traffic demonstration model, small articles required for demonstration are conveniently stored, the road traffic demonstration model can not only be used for demonstrating road traffic scenes, but also conveniently store and manage articles required for demonstration, so that the whole model is more complete and practical.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A road traffic demonstration model comprising two trestles (1), characterised in that: Two said trestle (1) is arranged transversely, two said trestle (1) lower end surface and upper end surface are equipped with folding disassembly structure (2), the side of the center of the upper end surface of the trestle (1) is equipped with the first placing plate (3), the other side of the center of the upper end surface of the trestle (1) is equipped with the third placing plate (5), the center of the upper end surface of two said trestle (1) is equipped with the second placing plate (4), the upper end surface of the first placing plate (3), the upper end surface of the second placing plate (4), the upper end surface of the third placing plate (5) is equipped with traffic demonstration structure (6), the lower end surface of the first placing plate (3) and the third placing plate (5) is equipped with storage structure (7).

2. A road traffic demonstration model according to claim 1, characterised in that: Two said folding disassembly structure (2) includes eight rotating frame (201), eight support leg (202), eight rotating shaft (203), four first bolt (204), two clamping block (205) and two clamping groove (206), eight said rotating frame (201) is four for a group respectively, two groups of rotating frame (201) are arranged in a rectangular on the lower end surface of two trestle (1), eight said support leg (202) is arranged in the inside center of eight rotating frame (201), eight said rotating shaft (203) is arranged in the front end surface center of eight rotating frame (201) lower, one end of eight said rotating shaft (203) is sequentially through the front end surface of eight rotating frame (201) and the front end surface of eight support leg (202) to the rear end surface of eight rotating frame (201), and the end is screw thread rotationally connected in the inside of eight rotating frame (201), four said first bolt (204) is arranged on the upper end surface of the first placing plate (3) and the third placing plate (5) one side in front and back, two said clamping block (205) is arranged in the lower end surface center of the first placing plate (3) and the third placing plate (5) one side, two said clamping groove (206) is arranged in the upper end surface center of two trestle (1) one side.

3. A road traffic demonstration model according to claim 1, characterised in that: Said traffic demonstration structure (6) includes protective pad (601), road plate (602), a plurality of magnetic slot (603), a plurality of magnet (604) and a plurality of signboard (605), the protective pad (601) is arranged on the upper end surface center of the first placing plate (3), the second placing plate (4) and the third placing plate (5), the road plate (602) is arranged on the upper end surface center of the protective pad (601), a plurality of said magnetic slot (603) is arranged in the upper end surface center of the road plate (602) in front and back, a plurality of said magnet (604) is arranged in the inside center of a plurality of magnetic slot (603), a plurality of said signboard (605) is arranged in the inside center of a plurality of magnetic slot (603) a plurality of magnet (604) upper end surface.

4. A road traffic demonstration model according to claim 1, characterised in that: Two storage structures (7) comprise two sliding frames (701), two drawers (702), eight second bolts (703), a plurality of placing grooves (704) and four sliding blocks (705), two sliding frames (701) are respectively arranged at the center of the lower end face of the first placing plate (3) and the third placing plate (5) near one side, two drawers (702) are respectively and slidably connected to the center of the inside of the two sliding frames (701), four sliding blocks (705) are respectively arranged at the center of the two side walls of the two drawers (702) near the back, a plurality of placing grooves (704) are arranged in a rectangular array at the center of the upper end face of the two drawers (702), eight second bolts (703) are respectively grouped into four, and two groups of second bolts (703) are arranged in a rectangular array on the lower end face of the two sliding frames (701), one end of the eight second bolts (703) is respectively and sequentially penetrated through the lower end face of the two sliding frames (701), the lower end face of the first placing plate (3) and the third placing plate (5) and reaches the first placing plate (3) and the inside, respectively, and the other end is respectively and threadedly connected to the inside of the first placing plate (3) and the third placing plate (5).

5. A road traffic demonstration model according to claim 2, wherein: One end of four first bolts (204) is respectively and sequentially penetrated through the upper end face of the first placing plate (3), the upper end face of the third placing plate (5) and the upper end face of the two stool supports (1) and reaches the lower end face of the two stool supports (1), and the other end is respectively and threadedly connected to the inside of the two stool supports (1).

6. A road traffic demonstration model according to claim 2, wherein: Two clamping blocks (205) and two clamping grooves (206) are matched with each other.

7. A road traffic demonstration model according to claim 3, wherein: A plurality of signboards (605) and a plurality of magnetic attraction grooves (603) are matched with each other.

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