CN215643369U

CN215643369U - Mechanical model structure for principle demonstration

Info

Publication number: CN215643369U
Application number: CN202120921594.5U
Authority: CN
Inventors: 雷小伟; 雷志彬; 雷小军
Original assignee: Zigong Weibo Culture And Art Co ltd
Current assignee: Zigong Weibo Culture And Art Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-25
Anticipated expiration: 2031-04-30

Abstract

The utility model belongs to the technical field of mechanical models, and discloses a mechanical model structure for principle demonstration, which comprises a driving part, wherein support frames are fixedly arranged on the left side surface and the right side surface of the driving part, a kinematic pair is in transmission connection with the front side surface and the rear side surface of the driving part, a moving foot is movably connected to the top end of the kinematic pair, a ball screw is movably connected to the middle part of the support frame, and a support foot is fixedly arranged on the bottom surface of the ball screw. According to the utility model, the transmission belt is driven to rotate by the gear when rotating, so that the transmission belt drives the meshing ring to rotate, the meshing ring drives the ball screw to move downwards, the bottom surfaces of the supporting legs are contacted with the ground, and the driving part and the movable foot stand are lifted away from the ground, so that the driving part drives the movable foot to move on site above the ground through the kinematic pair, a viewer does not need to move to watch along with the movement of the device, and the use experience of the viewer is improved.

Description

Mechanical model structure for principle demonstration

Technical Field

The utility model belongs to the technical field of mechanical models, and particularly relates to a mechanical model structure for principle demonstration.

Background

The mechanical model is a mechanical model which is made according to a real machine according to a certain proportion so as to achieve the simulation of the appearance dynamic effect, and the mechanical models are various, wherein a four-foot walking mechanism is the most common mechanical model structure.

When carrying out the principle demonstration, current mechanical model need place mechanical model subaerial, and mechanical model can carry out the back-and-forth movement when moving, but when actual demonstration, in order to can be better embodiment principle, often need long enough movement space, but during the demonstration, the viewer need follow mechanical model and remove, has reduced viewer's use and has experienced.

Current mechanical model demonstrates often in indoor when demonstrating the principle, places the device and carries out the motion demonstration on the plane, but when the device was placed and is demonstrated on smooth planes such as ceramic tile, bottom surface have water or paint bottom surface, the condition that mechanical model's removal foot and ground take place to skid often can appear, the condition that can lead to the device to overturn leads to the device to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, provides a mechanical model structure for principle demonstration, and has the advantages of improving the use experience of a viewer, avoiding the mechanical model from slipping and overturning and avoiding the damage of a device.

In order to achieve the purpose, the utility model provides the following technical scheme: a mechanical model structure for principle demonstration comprises a driving part, wherein support frames are fixedly arranged on the left side surface and the right side surface of the driving part, a kinematic pair is connected on the front side surface and the rear side surface of the driving part in a transmission manner, a moving foot is movably connected at the top end of the kinematic pair, the driving part drives the kinematic pair to rotate, the kinematic pair drives four moving feet to move back and forth when rotating, so that the device can move to demonstrate a movement principle, a ball screw is movably connected in the middle of the support frame, supporting legs are fixedly arranged on the bottom surface of the ball screw, a fixed shaft is fixedly arranged on the top surface of the support frame, an engaging ring is movably connected at the top end of the fixed shaft, a transmission belt is connected on the surface of the engaging ring in a transmission manner, the transmission belt is connected with the two engaging rings, and therefore, the two engaging rings can synchronously rotate in the same direction, the supporting device comprises a supporting frame, a supporting belt, a first supporting leg, a first motor, a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a fifth gear, a sixth gear, a fifth gear, a sixth gear, a fifth gear, a sixth gear, a fourth gear, a sixth gear, a fourth gear, a fourth gear, a fourth gear, a gear, a fourth gear, a.

As a preferred technical scheme of the utility model, a hanging plate is fixedly mounted at the bottom end of one side of the moving foot, which is far away from the driving part, a spring is fixedly mounted on the bottom surface of the hanging plate, a telescopic rod is movably sleeved in the middle of the spring, a bottom plate is fixedly mounted on the bottom surface of the spring, a rubber ball is fixedly mounted on the bottom surface of the bottom plate, the elasticity of the spring can provide a descending trend for the bottom plate, when the moving foot is lifted, the bottom plate is positioned below the bottom end of the moving foot, when the moving foot falls, the rubber ball is firstly contacted with the ground, the rubber ball can horizontally support and fix the moving foot through the telescopic rod and the hanging plate, when the bottom end of the moving foot falls, the moving foot can directly fall downwards, the device is prevented from slipping and overturning during movement, and the device is prevented from being damaged.

As a preferred technical scheme of the utility model, slide rails are fixedly mounted on the front side and the rear side of the bottom end of the support frame, one end of each slide rail, which is far away from the driving part, is movably connected with a slide block, the other end of each slide block is movably connected with the bottom end of the corresponding movable foot, when the movable foot is driven by the kinematic pair to move, the movable foot drives the slide blocks to slide left and right in the slide rails, and meanwhile, the slide blocks slide up and down at the bottom ends of the movable feet, so that the bottom ends of the movable feet are positioned when the movable feet move, and the stability of the movement of the movable feet is ensured.

According to a preferable technical scheme of the utility model, the number of the ball screws is two, the top ends and the bottom ends of the two ball screws respectively penetrate through and extend to the upper side and the lower side of the support frame, the support legs are positioned below the driving part, the rear ends of the ball screws are provided with square grooves, the top ends of the support frame are fixedly provided with square blocks, the square blocks are movably connected in the square grooves, the ball screws can be prevented from following with the meshing ring when the meshing ring rotates, and the ball screws can be guaranteed to move downwards smoothly.

As a preferred technical scheme of the present invention, there are two support frames and two engagement rings, the two support frames are respectively located at the front and rear sides of the driving part, the two engagement rings are respectively located at the top ends of the two support frames, the middle portions of the engagement rings are engaged with the surface of the ball screw, the number of the fixed shafts is four, the four fixed shafts are respectively located at the left and right ends of the front and rear sides of the bottom end of the engagement rings, and the engagement rings drive the ball screw engaged in the engagement rings to move downward when rotating, so that the bottom surfaces of the support legs are in contact with the ground, the driving part and the moving leg are erected, and the moving leg is prevented from being in contact with the ground, so that the driving part drives the moving leg to perform in-situ motion above the ground through the motion pair.

As a preferable technical scheme of the utility model, the top end of the gear penetrates and extends to the upper part of the support frame, the rear end of the gear is meshed with the meshing teeth, the motor is positioned at the front side of the ball screw, the gear is driven to rotate by the motor, and the meshing of the gear and the meshing teeth can drive the transmission belt to rotate when the gear rotates, so that the transmission belt drives the meshing ring to rotate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the motor drives the gear to rotate, the gear drives the transmission belt to rotate through meshing with the meshing teeth when rotating, so that the transmission belt drives the meshing ring to rotate at the top end of the fixed shaft when rotating, the meshing ring drives the ball screw to move downwards, the bottom surfaces of the supporting legs are contacted with the ground, and the driving part and the movable foot rest are lifted away from the ground, so that the driving part drives the movable foot to move on site above the ground through the motion pair, a viewer does not need to move to watch along with the movement of the device, and the use experience of the viewer is improved.

2. According to the utility model, the hanging plate is arranged at the bottom end of the moving foot, the elasticity of the spring can provide a descending trend for the bottom plate, the bottom plate is positioned below the bottom end of the moving foot when the moving foot is lifted, the rubber ball is firstly contacted with the ground when the moving foot falls down, the rubber ball can horizontally support and fix the moving foot through the telescopic rod and the hanging plate, the bottom end of the moving foot can directly fall down when the moving foot falls down, the device is prevented from slipping and overturning during movement, and the device is prevented from being damaged.

Drawings

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

FIG. 2 is a schematic illustration of an explosive connection of a structural belt of the present invention;

FIG. 3 is a schematic view of a ball screw connection according to the present invention;

FIG. 4 is a schematic view of the structural spring explosion joint of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 3 according to the present invention.

In the figure: 1. a drive member; 2. a support frame; 3. a kinematic pair; 4. a moving foot; 5. a ball screw; 6. supporting legs; 7. a fixed shaft; 8. an engaging ring; 9. a transmission belt; 10. meshing teeth; 11. a first motor; 12. a gear; 13. a hanger plate; 14. a spring; 15. a telescopic rod; 16. a base plate; 17. a rubber ball; 18. a slide rail; 19. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1 to 5, the utility model provides a mechanical model structure for principle demonstration, which comprises a driving part 1, wherein a support frame 2 is fixedly arranged on the left side surface and the right side surface of the driving part 1, a kinematic pair 3 is in transmission connection with the front side surface and the rear side surface of the driving part 1, a moving foot 4 is movably connected with the top end of the kinematic pair 3, the driving part 1 drives the kinematic pair 3 to rotate, the kinematic pair 3 drives four moving feet 4 to move back and forth when rotating, so that the device can move, the demonstration of the movement principle is carried out, a ball screw 5 is movably connected with the middle part of the support frame 2, a supporting foot 6 is fixedly arranged on the bottom surface of the ball screw 5, a fixed shaft 7 is fixedly arranged on the top surface of the support frame 2, an engaging ring 8 is movably connected with the top end of the fixed shaft 7, a surface transmission belt 9 of the engaging ring 8 is connected with the transmission belt 9 which is connected with the two engaging rings 8, therefore, the two meshing rings 8 can synchronously rotate in the same direction, the two supporting legs 6 move downwards simultaneously, the outer side face of the transmission belt 9 is fixedly provided with the meshing teeth 10, the top face of the inner cavity of the supporting frame 2 is fixedly provided with the first motor 11, and the top end of the first motor 11 is fixedly provided with the gear 12.

Wherein, the bottom fixed mounting that removes foot 4 and keep away from drive unit 1 one side has hanger plate 13, the bottom surface fixed mounting of hanger plate 13 has spring 14, telescopic link 15 has been cup jointed in the middle part activity of spring 14, the bottom surface fixed mounting of spring 14 has bottom plate 16, the bottom surface fixed mounting of bottom plate 16 has rubber ball 17, spring 14's elasticity can provide the trend of descending for bottom plate 16, bottom plate 16 is located the below that removes 4 bottoms of foot when removing foot 4 and lifting, remove foot 4 when the whereabouts, rubber ball 17 at first contacts with ground, rubber ball 17 can carry out the horizontal support fixedly through telescopic link 15 and hanger plate 13 to removing foot 4, the bottom of removing foot 4 is when the whereabouts, can directly fall down, avoid the device to take place to skid when the motion and overturn, avoid the device to damage.

Wherein, equal fixed mounting in both sides has slide rail 18 around the support frame 2 bottom, the one end swing joint that drive unit 1 was kept away from to slide rail 18 has slider 19, the other end swing joint of slider 19 is in the bottom of removing foot 4, when the motion pair 3 moved foot 4 removal in the area of driving, it drives slider 19 horizontal slip in slide rail 18 to remove foot 4, slider 19 slides from top to bottom in the bottom of removing foot 4 simultaneously, fix a position the bottom of removing foot 4 when removing foot 4 motion, the stability of removing foot 4 motion has been guaranteed.

Wherein, ball 5 is total two, the top and the bottom of two ball 5 run through respectively and extend to the upper and lower both sides of support frame 2, supporting legs 6 are located the below of drive assembly 1, square groove has been seted up to ball 5's rear end, the top fixed mounting of support frame 2 has square piece, through square piece swing joint in square groove, can avoid ball 5 to take place to follow up with meshing ring 8 when meshing ring 8 is rotatory, guaranteed that ball 5 can move down smoothly.

Wherein, support frame 2 and meshing ring 8 all have two, two support frames 2 are located the front and back both sides of driver part 1 respectively, two meshing rings 8 are located the top of two support frames 2 respectively, the middle part meshing of meshing ring 8 is on ball 5's surface, fixed axle 7 is total four, four fixed axles 7 are located the both ends about the both sides around the meshing ring 8 bottom respectively, meshing ring 8 drives the ball 5 downstream of meshing in meshing ring 8 when rotatory, make the bottom surface and the ground contact of supporting legs 6, thereby erect driver part 1 and removal foot 4, avoid removing foot 4 and ground contact, thereby realize that driver part 1 drives through kinematic pair 3 and remove foot 4 and carry out the original place motion in the ground.

Wherein, the top of gear 12 runs through and extends to the top of support frame 2, and the rear end and the meshing tooth 10 meshing of gear 12, motor 11 are located ball 5's front side, drive gear 12 rotatory through motor 11, and gear 12 can drive the drive belt 9 rotation with the meshing tooth 10's meshing when rotatory to it rotates to realize drive belt 9 and drive meshing ring 8.

The working principle and the using process of the utility model are as follows:

the device is placed on the bottom surface, the bottom surface of the movable foot 4 is ensured to be in contact with the ground, the rubber ball 17 arranged below the bottom plate 16 is in contact with the smooth bottom surface, and the elasticity of the spring 14 provides downward pressure for the bottom plate 16, so that the device is prevented from slipping;

during demonstration, the driving part 1 drives the kinematic pair 3 to rotate, and the kinematic pair 3 drives the four moving feet 4 to move back and forth during rotation, so that the device moves and the motion principle is demonstrated;

when the device does not need to move, the gear 12 is driven to rotate through the motor I11, the gear 12 is meshed with the meshing teeth 10 when rotating, the transmission belt 9 can be driven to rotate, so that the transmission belt 9 drives the meshing ring 8 to rotate, the meshing ring 8 drives the ball screw 5 meshed in the meshing ring 8 to move downwards when rotating, the bottom surfaces of the supporting legs 6 are in contact with the ground, the driving part 1 and the moving legs 4 are erected, the moving legs 4 are prevented from being in contact with the ground, and the driving part 1 drives the moving legs 4 to move in situ above the ground through the kinematic pairs 3;

when the device is required to move for demonstration, the first motor 11 drives the gear 12 to rotate reversely, so that the supporting legs 6 can move upwards, the bottom ends of the moving legs 4 are in contact with the ground, and the device can move on the bottom surface when the driving part 1 drives the moving legs 4 to move.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mechanical model structure for principle demonstration, comprising a driving part (1), characterized in that: the left side surface and the right side surface of the driving part (1) are both fixedly provided with a supporting frame (2), the front side and the rear side of the driving part (1) are both connected with a kinematic pair (3) in a transmission way, the top end of the kinematic pair (3) is movably connected with a movable foot (4), the middle part of the support frame (2) is movably connected with a ball screw (5), the bottom surface of the ball screw (5) is fixedly provided with a supporting leg (6), the top surface of the supporting frame (2) is fixedly provided with a fixed shaft (7), the top end of the fixed shaft (7) is movably connected with an engaging ring (8), the surface of the engaging ring (8) is connected with a transmission belt (9) in a transmission way, the lateral surface fixed mounting of drive belt (9) has meshing tooth (10), the top surface fixed mounting of support frame (2) inner chamber has motor (11), the top fixed mounting of motor (11) has gear (12).

2. The mechanical model structure for principle demonstration according to claim 1, wherein: remove foot (4) and keep away from bottom fixed mounting of drive unit (1) one side and have hanger plate (13), the bottom surface fixed mounting of hanger plate (13) has spring (14), telescopic link (15) have been cup jointed in the middle part activity of spring (14), the bottom surface fixed mounting of spring (14) has bottom plate (16), the bottom surface fixed mounting of bottom plate (16) has rubber ball (17).

3. The mechanical model structure for principle demonstration according to claim 1, wherein: the equal fixed mounting in both sides has slide rail (18) around support frame (2) bottom, the one end swing joint that drive unit (1) was kept away from in slide rail (18) has slider (19), the other end swing joint of slider (19) is in the bottom of removing foot (4).

4. The mechanical model structure for principle demonstration according to claim 1, wherein: the number of the ball screws (5) is two, the top ends and the bottom ends of the two ball screws (5) penetrate through and extend to the upper side and the lower side of the support frame (2) respectively, and the supporting legs (6) are located below the driving part (1).

5. The mechanical model structure for principle demonstration according to claim 1, wherein: the two supporting frames (2) and the two meshing rings (8) are arranged, the two supporting frames (2) are respectively located on the front side and the rear side of the driving part (1), the two meshing rings (8) are respectively located at the top ends of the two supporting frames (2), the middle portions of the meshing rings (8) are meshed with the surface of the ball screw (5), the number of the fixed shafts (7) is four, and the four fixed shafts (7) are respectively located at the left end and the right end of the front side and the rear side of the bottom end of the meshing ring (8).

6. The mechanical model structure for principle demonstration according to claim 1, wherein: the top end of the gear (12) penetrates through and extends to the upper side of the support frame (2), the rear end of the gear (12) is meshed with the meshing teeth (10), and the first motor (11) is located on the front side of the ball screw (5).