Propaganda car for technology popularization of information technology service

Abstract

The utility model provides a technology popularization propaganda car for information technology service, which relates to the technical field of propaganda cars and comprises a bottom plate, two driven wheels are fixed on the bottom surface of the bottom plate, and two fixing blocks fixed on the lower surface of the bottom plate are arranged on two sides of each driven wheel. According to the technology popularization propaganda car for the information technology service, a driving plate can rotate through cooperation between a shifting rod and a rotating rod, a connecting frame can rotate with a fixing block as the center through cooperation between the driving plate and a push rod, meanwhile, a brake block is driven to move together, and when the brake block gets close to a driven wheel, the brake block is driven to move. The braking effect is achieved by increasing the friction force between the brake block and the driven wheel, the stability of the vehicle body is improved when the propaganda vehicle is parked, the steering wheels can be driven to rotate below the bottom plate through the first transmission rod, and the other steering wheel can rotate through cooperation between the first transmission rod and the second transmission rod; steering can be conducted according to the driving condition of the propaganda car.

Description

TECHNICAL FIELD

[0001] The utility model relates to a propaganda vehicle for popularization, in particular to a propaganda vehicle for popularization of technical service of information technology belongs to propaganda vehicle technical field. BACKGROUND

[0002] With the continuous development of science and technology, more and more people realize the importance of propaganda, in the aspect of agricultural popularization and propaganda, the propaganda special vehicle is mostly used. The propaganda vehicle is the product of combining car and display screen, can play three-dimensional video animation, display real-time text information, etc., the content is rich and varied, some propaganda vehicles can also carry out physical display, improve the propaganda effect.

[0003] In the patent application publication no. CN208848586U, a kind of technical popularization propaganda vehicle is disclosed, including car head, car, display screen, support column, support rod, motor, base, pivot and conveying belt. The utility model discloses a fixing device, can avoid display screen to fall damage when braking, can avoid display screen to be damaged when propaganda vehicle jolts, improve the service life of display screen.

[0004] Although the display screen can be avoided to fall damage when braking in the scheme of the above patent, the propaganda vehicle in the above patent is inconvenient to fix the vehicle when stopping propaganda, when stopping to carry out propaganda, the propaganda vehicle is prone to sway, affect the propaganda effect, and the steering of the propaganda vehicle is relatively cumbersome when moving;Therefore, a kind of propaganda vehicle for popularization of technical service of information technology is proposed. UTILITY MODEL CONTENT

[0005] The utility model proposes a kind of propaganda vehicle for popularization of technical service of information technology to solve the problems that propaganda vehicle is inconvenient to fix the vehicle when stopping propaganda in prior art and propaganda vehicle is relatively cumbersome when moving.

[0006] The utility model is realized by the following technical scheme: a kind of propaganda vehicle for popularization of technical service of information technology, including bottom plate, the bottom surface of the bottom plate is fixed with two driven wheels, the two sides of each driven wheel are provided with two fixed blocks fixed in the bottom surface of bottom plate, the side surface of each fixed block is rotatably connected with connecting frame, the bottom of each connecting frame is rotatably connected with brake block, the bottom surface of the bottom plate is provided with transmission mechanism that drives connecting frame moves, the transmission mechanism includes the sliding slot opened in the side surface of bottom plate, the inside of the sliding slot is slidably connected with the lever.

[0007] Further, transmission mechanism includes the rotationally connected rotation rod between two driven wheels, the rotation rod is fixedly sleeved in the bottom end of the lever.

[0008] Further, the transmission mechanism further comprises a transmission plate fixedly sleeved on the outer periphery of the rotating rod, two transmission grooves are formed in the two ends of the transmission plate, a push rod is slidably connected in the two transmission grooves, and the two ends of the push rod are fixedly sleeved in the interiors of the two connecting frames.

[0009] The upper surface of the bottom plate is provided with two limiting mechanisms for fixing the shifting rod.

[0010] Further, the limiting mechanism comprises a limiting frame fixed on the upper surface of the bottom plate, a moving rod is slidably connected in the interior of the limiting frame, and a compression spring is fixed between the moving rod and the limiting frame.

[0011] The bottom surface of the bottom plate away from the driven wheel is rotatably connected with two rotating shafts, the bottom end of each rotating shaft is fixed with a steering wheel, and the lower portion of the bottom plate is provided with a power mechanism for driving the two steering wheels to rotate.

[0012] Further, the power mechanism comprises two connecting blocks fixed on the side faces of the two steering wheels respectively, a first transmission rod is fixed on one side face of each connecting block, a second transmission rod is rotatably connected between the two first transmission rods, and a limiting groove is formed in the middle section of one of the first transmission rods.

[0013] Further, the power mechanism further comprises a motor fixed on the bottom surface of the bottom plate, a threaded rod is fixed on the output end of the motor, a sector gear is engaged on the outer periphery of the threaded rod, a positioning rod is rotatably sleeved in the interior of the sector gear, the top end of the positioning rod is fixed on the bottom surface of the bottom plate, and a connecting rod is rotatably connected between the outer periphery of the sector gear and the limiting groove.

[0014] The utility model provides a kind of for information technology service's technical popularization with propaganda car, it has beneficial effect as follows:

[0015] 1, the propaganda car for information technology service's technical popularization, the cooperation between shifting rod and rotating rod can make transmission plate rotate, and the cooperation between transmission plate and push rod can make connecting frame rotate with fixed block as center, simultaneously, brake block is moved, when brake block is close to driven wheel, the effect of brake is achieved by increasing the friction between brake block and driven wheel, and the stability of vehicle body when parking is improved.

[0016] 2, the propaganda car for information technology service's technical popularization, the cooperation between motor and threaded rod can make sector gear rotate below bottom plate, and the cooperation between sector gear and connecting rod can make first transmission rod move, the cooperation between first transmission rod and second transmission rod can make another steering wheel rotate, steering can be carried out according to the driving condition of propaganda car, and the convenience of use of propaganda car is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the bottom plate's perspective view of the utility model;

[0018] Figure 2 It is the bottom plate's perspective view of the utility model;

[0019] Figure 3 It is the transmission mechanism's perspective view of the utility model;

[0020] Figure 4 It is the limiting mechanism's perspective view of the utility model;

[0021] Figure 5 It is the power mechanism's perspective view of the utility model.

[0022] Explanation of reference signs

[0023] 1, bottom plate; 2, driven wheel; 3, fixed block; 4, connecting frame; 5, brake block;

[0024] 6, transmission mechanism; 61, sliding groove; 62, rotating rod; 63, push rod; 64, transmission plate; 65, transmission groove; 66, push rod;

[0025] 7, rotating shaft; 8, steering wheel;

[0026] 9, power mechanism; 91, connecting block; 92, first transmission rod; 93, limiting groove; 94, motor; 95, threaded rod; 96, sector gear; 97, positioning rod; 98, connecting rod; 99, second transmission rod;

[0027] 10, limiting mechanism; 101, limiting frame; 102, moving rod; 103, compression spring. Specific implementation

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0029] Please refer to Figures 1-5This utility model provides a promotional vehicle for information technology services, including a base plate 1. Two driven wheels 2 are fixed to the bottom surface of the base plate 1. Two fixing blocks 3 are fixed to the lower surface of the base plate 1 on both sides of each driven wheel 2. A connecting frame 4 is rotatably connected to one side of each fixing block 3. A brake block 5 is rotatably connected to the bottom of each connecting frame 4. A transmission mechanism 6 is provided on the bottom surface of the base plate 1 to drive the connecting frame 4 to move. The transmission mechanism 6 includes a slide groove 61 opened on one side of the base plate 1. A lever 63 is slidably connected inside the slide groove 61.

[0030] In the above scheme, the two driven wheels 2 can be fixed by the transmission mechanism 6.

[0031] Please refer to this carefully. Figure 3 The transmission mechanism 6 includes a rotating rod 62 rotatably connected between two driven wheels 2, and the outer periphery of the rotating rod 62 is fixedly sleeved on the bottom end of the lever 63.

[0032] The transmission mechanism 6 also includes a transmission plate 64 fixedly sleeved around the rotating rod 62. The two ends of the transmission plate 64 are provided with transmission grooves 65. Push rods 66 are slidably connected inside the two transmission grooves 65, and the two ends of the push rods 66 are respectively fixedly sleeved inside the two connecting frames 4.

[0033] In the above scheme, the lever 63 is manually rotated by external force. Through the cooperation between the lever 63 and the rotating rod 62, the transmission plate 64 can be rotated. Through the cooperation between the transmission plate 64 and the push rod 66, the connecting frame 4 can be rotated. At the same time, the brake block 5 is moved.

[0034] Please refer to this carefully. Figure 3 and Figure 4 The upper surface of the base plate 1 is provided with two limiting mechanisms 10 for fixing the lever 63.

[0035] Please refer to this carefully. Figure 4 The limiting mechanism 10 includes a limiting frame 101 fixed to the upper surface of the base plate 1. A moving rod 102 is slidably connected inside the limiting frame 101, and a compression spring 103 is fixed between the moving rod 102 and the limiting frame 101.

[0036] In the above scheme, when the lever 63 moves to the other side of the slide groove 61, the compression spring 103 provides elastic thrust to the moving rod 102, and the moving rod 102 limits the position of the lever 63.

[0037] Please refer to this carefully. Figure 1 and Figure 5 The bottom surface of the base plate 1, away from the driven wheel 2, is rotatably connected to two rotating shafts 7. Each rotating shaft 7 has a steering wheel 8 fixed at its bottom end. A power mechanism 9 that drives the two steering wheels 8 to rotate is provided below the base plate 1.

[0038] In the above scheme, the power mechanism 9 can drive the two steering wheels 8 to rotate, so that the advertising vehicle can be steered.

[0039] Please refer to Figure 5 The power mechanism 9 comprises two connecting blocks 91 fixed on the side surfaces of the two steering wheels 8 respectively, and a first transmission rod 92 is fixed on one side surface of each connecting block 91, and a second transmission rod 99 is rotatably connected between the two first transmission rods 92, and a limiting groove 93 is formed in the middle section of one of the first transmission rods 92.

[0040] The power mechanism 9 further comprises a motor 94 fixed on the bottom surface of the bottom plate 1, a threaded rod 95 is fixed on the output end of the motor 94, a sector gear 96 is engaged on the outer periphery of the threaded rod 95, a positioning rod 97 is rotatably sleeved in the sector gear 96, the top end of the positioning rod 97 is fixed on the bottom surface of the bottom plate 1, and a connecting rod 98 is rotatably connected between the outer periphery of the sector gear 96 and the limiting groove 93.

[0041] In the above scheme, the cooperation between the motor 94 and the threaded rod 95 can make the sector gear 96 rotate below the bottom plate 1, the cooperation between the sector gear 96 and the connecting rod 98 can make the first transmission rod 92 move, the first transmission rod 92 can drive the steering wheel 8 to rotate below the bottom plate 1, and the cooperation between the first transmission rod 92 and the second transmission rod 99 can make the other steering wheel 8 rotate, so that the steering can be performed according to the driving condition of the advertising vehicle.

[0042] In use, the motor 94 is started, the cooperation between the motor 94 and the threaded rod 95 can make the sector gear 96 rotate below the bottom plate 1, the cooperation between the sector gear 96 and the connecting rod 98 can make the first transmission rod 92 move, the first transmission rod 92 can drive the steering wheel 8 to rotate below the bottom plate 1, the cooperation between the first transmission rod 92 and the second transmission rod 99 can make the other steering wheel 8 rotate, the steering can be performed according to the driving condition of the advertising vehicle, and the convenience of using the advertising vehicle is improved; the external force manually rotates the push rod 63, the cooperation between the push rod 63 and the rotating rod 62 can make the transmission plate 64 rotate, the cooperation between the transmission plate 64 and the push rod 66 can make the connecting frame 4 rotate around the fixed block 3 as the center, and at the same time, the brake block 5 is also moved, when the brake block 5 approaches the driven wheel 2, the friction between the brake block 5 and the driven wheel 2 is increased to achieve the braking effect, and the stability of the vehicle body when the advertising vehicle is parked is improved, when the push rod 63 moves to the other side of the sliding groove 61, the compression spring 103 provides elastic pushing force for the moving rod 102, and the position of the push rod 63 is limited by the moving rod 102, so that the stability of the position after the transmission of the push rod 63 is improved.

[0043] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A propaganda vehicle for technology popularization of information technology services, comprising a bottom plate (1), characterized in that: The bottom surface of the bottom plate (1) is fixed with two driven wheels (2), the two sides of each driven wheel (2) are provided with two fixed blocks (3) fixed on the bottom surface of the bottom plate (1), one side of each fixed block (3) is rotatably connected with a connecting frame (4), the bottom of each connecting frame (4) is rotatably connected with a brake block (5), the bottom surface of the bottom plate (1) is provided with a transmission mechanism (6) for moving the connecting frame (4), the transmission mechanism (6) comprises a chute (61) opened in one side surface of the bottom plate (1), the inside of the chute (61) is slidably connected with a lever (63), the upper surface of the bottom plate (1) is provided with two limiting mechanisms (10) for fixing the lever (63). The bottom surface of the bottom plate (1) is rotatably connected with two rotating shafts (7) away from the driven wheels (2), the bottom end of each rotating shaft (7) is fixed with a steering wheel (8), the bottom of the bottom plate (1) is provided with a power mechanism (9) for driving the two steering wheels (8) to rotate.

2. The propaganda vehicle for popularization of information technology service according to claim 1, characterized in that: The transmission mechanism (6) comprises a rotating shaft (62) rotatably connected between the two driven wheels (2), the outer periphery of the rotating shaft (62) is fixedly sleeved on the bottom end of the lever (63).

3. The technology promotion propaganda vehicle for information technology services according to claim 2, characterized in that: The transmission mechanism (6) further comprises a transmission plate (64) fixedly sleeved on the outer periphery of the rotating shaft (62), both ends of the transmission plate (64) are provided with transmission grooves (65), the inside of the two transmission grooves (65) are slidably connected with push rods (66), and both ends of the push rod (66) are fixedly sleeved in the inside of the two connecting frames (4).

4. The propaganda vehicle for popularization of information technology service according to claim 1, characterized in that: The limiting mechanism (10) comprises a limiting frame (101) fixed on the upper surface of the bottom plate (1), the inside of the limiting frame (101) is slidably connected with a moving rod (102), and the moving rod (102) and the limiting frame (101) are fixedly connected with a compression spring (103).

5. The van for popularization of information technology service according to claim 1, characterized in that: The power mechanism (9) comprises two connecting blocks (91) fixed on one side surface of the two steering wheels (8) respectively, one side surface of each connecting block (91) is fixed with a first transmission rod (92), the second transmission rod (99) is rotatably connected between the two first transmission rods (92), and the middle section of one of the first transmission rods (92) is provided with a limiting groove (93).

6. The technology promotion propaganda vehicle for information technology services according to claim 5, characterized in that: The power mechanism (9) further comprises a motor (94) fixed on the bottom surface of the bottom plate (1), the output end of the motor (94) is fixed with a threaded rod (95), the outer periphery of the threaded rod (95) is engaged with a sector gear (96), the inside of the sector gear (96) is rotatably sleeved with a positioning rod (97), the top end of the positioning rod (97) is fixed on the bottom surface of the bottom plate (1), and the outer periphery of the sector gear (96) is rotatably connected with a connecting rod (98) between the limiting groove (93).

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