CN215577324U

CN215577324U - Model frame for demonstrating motion principle of mechanical model

Info

Publication number: CN215577324U
Application number: CN202121648357.2U
Authority: CN
Inventors: 乔龙宇
Original assignee: Kunshan Uehot Precision Machinery Co ltd
Current assignee: Kunshan Uehot Precision Machinery Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-01-18
Anticipated expiration: 2031-07-20

Abstract

The utility model belongs to the technical field of mechanical models, and discloses a model frame for demonstrating the motion principle of a mechanical model, which comprises a model body, wherein a conveyor belt is arranged at the bottom end of the model body, the left end and the right end of the conveyor belt are both in transmission connection with a transmission roller, bearings are fixedly arranged at the front end and the rear end of the transmission roller, a side plate is fixedly arranged on the surface of each bearing, and a supporting plate is fixedly arranged in the middle of each side plate. According to the utility model, the supporting plate is driven to move downwards by the model body, so that the electric terminal at the bottom end of the motor is contacted with the top surface of the electric connection frame, the electric connection frame is used for communicating two electric terminals, at the moment, the circuit of the motor I is communicated to work to drive the conveyor belt to rotate, and the rotation direction of the conveyor belt is opposite to the movement direction of the model body, so that the position of the model body relative to the side plate is not changed during movement, the model body is prevented from falling off the device, and the damage of the model body is avoided.

Description

Model frame for demonstrating motion principle of mechanical model

Technical Field

The utility model belongs to the technical field of mechanical models, and particularly relates to a model frame for demonstrating the motion principle of a mechanical model.

Background

The mechanical model is a mechanical model, which is made according to a real machine according to a certain proportion to achieve the simulation of an appearance dynamic effect, the mechanical models are various, wherein a four-foot walking mechanism is the most common mechanical model structure, the four-foot walking mechanism is one of the classical mechanical transmission mechanisms, the four-foot walking mechanism is often applied to model demonstration mechanical structures, and a model frame is required to be used for demonstration during demonstration.

The existing model frame mostly adopts supporting objects such as a desktop to place the model, the model can move when demonstrating, the model is limited in length, the model can move to the edge of the model frame when moving, and the model can fall off, so that the model is damaged.

When the existing model machine demonstrates the movement of a model, the mechanical structure at the bottom of the model can be influenced by the model frame, so that the mechanism at the bottom of the model is inconvenient to demonstrate, and when the model is manually demonstrated, the mechanical feet of the model can hit the arms of a user when moving, so that the safety of the device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a model frame for demonstrating the motion principle of a mechanical model, which has the advantages of avoiding the model from falling and being damaged and improving the safety of the device.

In order to achieve the purpose, the utility model provides the following technical scheme: a model frame for demonstrating the motion principle of a mechanical model comprises a model body, wherein a conveyor belt is arranged at the bottom end of the model body, transmission rollers are connected to the left end and the right end of the conveyor belt in a transmission manner, bearings are fixedly mounted at the front end and the rear end of each transmission roller, a first motor is communicated with a circuit to work so as to drive the transmission rollers to rotate, the transmission rollers drive the conveyor belt to rotate when rotating, the rotating direction of the conveyor belt is opposite to the moving direction of the model body, so that the model body can be moved relative to the side plates without changing, the side plates are fixedly mounted on the surfaces of the bearings, a support plate is fixedly mounted in the middle of each side plate, a first motor is fixedly mounted on the front side surface of each side plate, a telescopic rod is fixedly mounted on the bottom surface of each support plate, a reset spring is sleeved on the surface of each telescopic rod so as to take out the model body from the conveyor belt, the gravity that the conveyer belt received at this moment reduces, and reset spring's elasticity can drive backup pad rebound, makes the electrical connection terminal and the separation of even electric frame to realize automatically shutting down the outage to motor one, the bottom surface fixed mounting of telescopic link has the bottom plate, the bottom electric connection of motor one has the electrical connection terminal, the top surface fixed mounting of bottom plate has even electric frame.

As a preferred technical scheme of the utility model, the supporting plate is positioned in the middle of the two conveyor belts, the top surface of the supporting plate is attached to the top surface of the inner cavity of the conveyor belt, the supporting plate is positioned under the model body and supports the top end of the conveyor belt, so that the conveyor belt is prevented from collapsing and deforming under the action of the model body, and the running stability of the device is ensured.

As a preferred technical scheme of the utility model, a second motor is fixedly installed on the bottom surface of the bottom plate, a gear is fixedly sleeved at the output end of the second motor, a top rod is movably connected to the middle part of the bottom plate, a rack is arranged at the right end of the top rod, a guide sleeve is fixedly installed on the bottom surface of the model body, the second motor drives the gear to rotate, the gear drives the top rod to move upwards through meshing with the rack during rotation, the bottom end of the top rod is inserted into the guide sleeve, when the top end of the top rod is in contact with the bottom surface of the model body, the top rod pushes the model body from the conveyor belt, and a gap between the model body and the side plate is increased, so that the bottom of the model body is demonstrated.

As a preferred technical scheme of the utility model, the number of the conveyor belts and the number of the transmission rollers are two, the two conveyor belts are respectively positioned at the front side and the rear side below the bottom end of the model body, the top surfaces of the two conveyor belts are both contacted with the bottom surface of the model body, the two transmission rollers are respectively positioned at the left end and the right end of the two conveyor belts, the output end of the first motor is fixedly arranged at the front end of the transmission roller at the left side, and the two conveyor belts respectively correspond to the mechanical feet at the front end and the rear end of the model body, so that the mechanical feet of the model body are supported.

As a preferred technical scheme of the utility model, the number of the electric terminals is two, the top ends of the two electric terminals are fixedly mounted at the bottom end of the first motor, the electric terminals are positioned right above the electric connection frame, the model body is placed above the conveyor belt, and the mechanical foot of the model body is ensured to be positioned on the top surface of the conveyor belt.

As a preferred technical scheme of the utility model, the diameter value of the ejector rod is equal to that of the inner cavity of the guide sleeve, the axis of the ejector rod and the axis of the guide sleeve are in the same straight line, the ejector rod is positioned below the guide sleeve, and the left end of the gear is meshed with the rack, so that the ejector rod can be smoothly inserted into the guide sleeve, the ejector rod is positioned by using the guide sleeve, and the model body is prevented from shaking and falling off when moving upwards.

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

1. according to the utility model, the model body is placed on the conveyor belt, the gravity of the model body drives the supporting plate to move downwards through the conveyor belt, so that the electric terminal at the bottom end of the motor is contacted with the top surface of the electric connection frame, the electric connection frame is communicated with the two electric terminals, the circuit of the motor I is communicated to work at the moment to drive the conveyor belt to rotate, and the rotation direction of the conveyor belt is opposite to the movement direction of the model body, so that the position of the model body relative to the side plate is not changed during movement, the model body is prevented from falling off the device, and the damage of the model body is avoided.

2. The gear is driven to rotate by the motor II when the motor II works, the gear drives the ejector rod to move upwards through meshing with the rack when the gear rotates, the bottom end of the ejector rod is inserted into the guide sleeve, when the top end of the ejector rod is in contact with the bottom surface of the model body, the ejector rod can push the model body from the conveying belt, and the gap between the model body and the side plate is increased, so that the bottom of the model body is demonstrated, a user does not need to hold the model body by hand, the injury to the user is avoided, and the safety of the device is improved.

Drawings

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

FIG. 2 is a schematic view of an explosion-connected motor of the present invention;

FIG. 3 is a schematic view of an exploded connection of structural support plates according to the present invention;

FIG. 4 is an enlarged view of the point A in FIG. 1;

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

In the figure: 1. a model body; 2. a conveyor belt; 3. a driving roller; 4. a bearing; 5. a side plate; 6. a support plate; 7. a first motor; 8. a telescopic rod; 9. a return spring; 10. a base plate; 11. an electric terminal is connected; 12. a power connection frame; 13. a guide sleeve; 14. a second motor; 15. a gear; 16. a top rod; 17. a rack.

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 fig. 1 to 5, the utility model provides a model frame for demonstrating the motion principle of a mechanical model, which comprises a model body 1, wherein a conveyor belt 2 is arranged at the bottom end of the model body 1, the left end and the right end of the conveyor belt 2 are in transmission connection with a transmission roller 3, bearings 4 are fixedly arranged at the front end and the rear end of the transmission roller 3, a first motor 7 is in circuit communication for working so as to drive the transmission roller 3 to rotate, the transmission roller 3 drives the conveyor belt 2 to rotate when rotating, the rotation direction of the conveyor belt 2 is opposite to the motion direction of the model body 1, so that the position of the model body 1 relative to the side plate 5 is not changed when moving, the side plate 5 is fixedly arranged on the surface of the bearing 4, a support plate 6 is fixedly arranged in the middle of the side plate 5, a first motor 7 is fixedly arranged on the front side surface of the side plate 5, and a telescopic rod 8 is fixedly arranged on the bottom surface of the support plate 6, reset spring 9 has been cup jointed in the surface activity of telescopic link 8, take out model body 1 from conveyer belt 2, the gravity that conveyer belt 2 received this moment reduces, reset spring 9's elasticity can drive 6 rebound of backup pad, make the separation of connecting terminal 11 and even electric frame 12, thereby realize automatic cutting off the power supply to motor 7 and shut down, the bottom surface fixed mounting of telescopic link 8 has bottom plate 10, the bottom electric connection of motor 7 has connecting terminal 11, the top surface fixed mounting of bottom plate 10 has even electric frame 12.

Wherein, backup pad 6 is located the middle part of two conveyer belts 2, and the top surface of backup pad 6 is laminated with the top surface of 2 inner chambers of conveyer belt, and backup pad 6 is located model body 1 under, and backup pad 6 supports the top of conveyer belt 2, avoids conveyer belt 2 to collapse under model body 1's effect and warp, has guaranteed the stability of device operation.

Wherein, bottom surface fixed mounting of bottom plate 10 has motor two 14, the output end of motor two 14 is fixed to be cup jointed gear 15, the middle part swing joint of bottom plate 10 has ejector pin 16, rack 17 has been seted up to ejector pin 16's right-hand member, model body 1's bottom surface fixed mounting has uide bushing 13, motor two 14 drive gear 15 is rotatory, gear 15 shifts up through the meshing with rack 17 drive ejector pin 16 when rotatory, make ejector pin 16's bottom peg graft in uide bushing 13, when the top of ejector pin 16 and model body 1's bottom surface contact, ejector pin 16 can promote model body 1 from conveyer belt 2, make the clearance increase between model body 1 and the curb plate 5, thereby demonstrate to the bottom of model body 1.

Wherein, conveyer belt 2 and driving roller 3 all have two, two conveyer belts 2 are located the front and back both sides of 1 bottom below of model body respectively, the top surface of two conveyer belts 2 all contacts with the bottom surface of model body 1, two driving rollers 3 are located two conveyer belts 2 respectively about both ends, the output fixed mounting of motor 7 is at the front end of left side driving roller 3, two conveyer belts 2 correspond the mechanical foot at both ends around the model body 1 respectively to support the mechanical foot of model body 1.

Wherein, the electrical connection terminal 11 is total two, two top fixed mounting of electrical connection terminal 11 are in the bottom of a motor 7, electrical connection terminal 11 is located even electric frame 12 directly over, place model body 1 in the top of conveyer belt 2, and guarantee that model body 1's mechanical foot is located the top surface of conveyer belt 2, place back on conveyer belt 2 when model body 1, model body 1's gravity can drive conveyer belt 2 and bearing 4 and move down, thereby drive backup pad 6 and move down, backup pad 6 is moving down, electrical connection terminal 11 of a motor 7 bottom can contact with the top surface of even electric frame 12, thereby make even electric frame 12 with two electrical connection terminal 11 intercommunications.

Wherein, the diameter value of ejector pin 16 equals the diameter value of the inner chamber of uide bushing 13, and the axis of ejector pin 16 is in same straight line with the axis of uide bushing 13, and ejector pin 16 is located the below of uide bushing 13, and the left end and the rack 17 meshing of gear 15 have guaranteed that ejector pin 16 can be smooth insert the uide bushing 13 in, utilize uide bushing 13 to fix a position ejector pin 16, avoid model body 1 to produce when shifting up and rock and drop.

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

when the model body 1 is used, the model body 1 is placed above the conveyor belt 2, and the mechanical foot of the model body 1 is ensured to be positioned on the top surface of the conveyor belt 2, after the model body 1 is placed on the conveyor belt 2, the gravity of the model body 1 can drive the conveyor belt 2 and the bearing 4 to move downwards so as to drive the supporting plate 6 to move downwards, when the supporting plate 6 moves downwards, the electric connection terminal 11 at the bottom end of the motor I7 can be contacted with the top surface of the electric connection frame 12 so as to enable the electric connection frame 12 to communicate the two electric connection terminals 11, at the moment, the circuit of the motor I7 is communicated to work so as to drive the driving roller 3 to rotate, when the driving roller 3 rotates, the conveyor belt 2 is driven to rotate, and the rotating direction of the conveyor belt 2 is opposite to the moving direction of the model body 1, so that the position of the model body 1 relative to the side plate 5 is not changed when the model body 1 moves;

when a mechanical structure at the bottom of the model body 1 needs to be demonstrated, the second motor 14 drives the gear 15 to rotate, the gear 15 drives the ejector rod 16 to move upwards through meshing with the rack 17 during rotation, so that the bottom end of the ejector rod 16 is inserted into the guide sleeve 13, and when the top end of the ejector rod 16 is contacted with the bottom surface of the model body 1, the ejector rod 16 can push the model body 1 from the conveyor belt 2, so that a gap between the model body 1 and the side plate 5 is increased, and the bottom of the model body 1 is demonstrated;

after the demonstration finishes, take out model body 1 from conveyer belt 2, the gravity that conveyer belt 2 received this moment reduces, and reset spring 9's elasticity can drive backup pad 6 rebound, makes the separation of electrical connection terminal 11 and even electric frame 12 to the realization is automatic to motor 7 outage machine halt.

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 model support for demonstrating the principle of motion of a mechanical model, comprising a model body (1), characterized in that: the bottom of model body (1) is provided with conveyer belt (2), the equal transmission in both ends is connected with driving roller (3) about conveyer belt (2), the equal fixed mounting in both ends has bearing (4) around driving roller (3), the fixed surface of bearing (4) installs curb plate (5), the middle part fixed mounting of curb plate (5) has backup pad (6), the leading flank fixed mounting of curb plate (5) has motor (7), the bottom surface fixed mounting of backup pad (6) has telescopic link (8), reset spring (9) have been cup jointed in the surface activity of telescopic link (8), the bottom surface fixed mounting of telescopic link (8) has bottom plate (10), the bottom electric connection of motor (7) has electrical connection terminal (11), the top surface fixed mounting of bottom plate (10) has connection frame (12).

2. A model support for demonstrating the principle of motion of a mechanical model according to claim 1, wherein: the supporting plate (6) is located in the middle of the two conveying belts (2), the top surface of the supporting plate (6) is attached to the top surface of the inner cavity of the conveying belts (2), and the supporting plate (6) is located under the model body (1).

3. A model support for demonstrating the principle of motion of a mechanical model according to claim 1, wherein: the bottom surface fixed mounting of bottom plate (10) has motor two (14), the fixed cover of the output of motor two (14) has connect gear (15), the middle part swing joint of bottom plate (10) has ejector pin (16), rack (17) have been seted up to the right-hand member of ejector pin (16), the bottom surface fixed mounting of model body (1) has uide bushing (13).

4. A model support for demonstrating the principle of motion of a mechanical model according to claim 1, wherein: conveyer belt (2) and driving roller (3) all have two, two conveyer belt (2) are located the front and back both sides of model body (1) bottom below respectively, two the top surface of conveyer belt (2) all contacts with the bottom surface of model body (1), two driving roller (3) are located two conveyer belt (2) both ends of controlling respectively, the output end fixed mounting of motor (7) is at the front end of left side driving roller (3).

5. A model support for demonstrating the principle of motion of a mechanical model according to claim 1, wherein: the power connection terminals (11) are two in number, the top ends of the power connection terminals (11) are fixedly mounted at the bottom end of the motor I (7), and the power connection terminals (11) are located right above the power connection frame (12).

6. A model support for demonstrating the principle of motion of a mechanical model according to claim 3, wherein: the diameter value of the ejector rod (16) is equal to that of the inner cavity of the guide sleeve (13), the axis of the ejector rod (16) and the axis of the guide sleeve (13) are on the same straight line, the ejector rod (16) is located below the guide sleeve (13), and the left end of the gear (15) is meshed with the rack (17).