CN210777494U - Stepless speed change demonstration model - Google Patents
Stepless speed change demonstration model Download PDFInfo
- Publication number
- CN210777494U CN210777494U CN201920950094.7U CN201920950094U CN210777494U CN 210777494 U CN210777494 U CN 210777494U CN 201920950094 U CN201920950094 U CN 201920950094U CN 210777494 U CN210777494 U CN 210777494U
- Authority
- CN
- China
- Prior art keywords
- input
- output
- cone
- vertebral body
- continuously variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Friction Gearing (AREA)
Abstract
The utility model discloses a solve the convenient technical problem of show education and designed a infinitely variable demonstration model, driver between including input and output and connection, still include the model base, input and output rotate to be connected on the model base, the input includes input centrum and power supply, input centrum bottom rotates with the power supply to be connected, the output includes the output centrum, output centrum bottom rotates with the model base to be connected, the cross-section of input centrum and output centrum draws in opposite direction, thereby realize infinitely variable through the mechanical transmission of simple structure, thereby pass through the audio-visual demonstration of display device with the process of this infinitely variable, thereby can be favorable to observer's observation and understanding, play very important enlightening and educational meaning, moreover, the steam generator is simple in structure, the operation is safe, the demonstration effect is directly perceived.
Description
Technical Field
The utility model relates to a infinitely variable designs technical field, especially relates to a infinitely variable demonstration model.
Background
Stepless speed change is commonly used in the automobile field, and divide into hydraulic pressure, electric power and machinery according to the difference of transmission mode, mechanical transmission's stepless speed change is most primitive and traditional, the stable rate of slip of rotational speed is little and reliable operation, the structure is also fairly simple, this patent is dedicated to seeking a convenient demonstration model, thereby realize stepless speed change through the mechanical transmission of simple structure, and thereby pass through display device with this stepless speed change's process and directly perceived demonstration comes out, thereby can be favorable to observer's observation and understanding, play very important enlightenment and education meaning, simple structure, the operation is safe, the demonstration effect is directly perceived.
The patent application number 201310591219.9 discloses a stepless speed change device between helical gears, which realizes the transmission through the gear engagement of two bevel gears, realizes the stepless speed change through relative sliding, and realizes the output of large torque through changing the pitch of the helical gears.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above technical problem and designed a infinitely variable demonstration model, including input and output and connect driver between them, its characterized in that: the input end and the output end are rotatably connected to the model base.
Furthermore, the axle center of the bottom of the input end and the output end is provided with at least a limit groove or a limit pit, the model base is provided with at least two rotating shafts, one rotating shaft is in transmission connection with a motor shaft of a power source, the other rotating shaft automatically rotates, the rotating shafts are in interference connection with the model base through bearings,
preferably, the input end comprises an input vertebral body and a power source, the bottom of the input vertebral body is rotationally connected with the power source,
preferably, the output end comprises an output cone, the bottom of the output cone is rotatably connected with the model base,
preferably, the cross-sectional convergence directions of the input vertebral body and the output vertebral body are opposite.
Furthermore, the input cone body and the output cone body both have conicity which is the ratio of the diameter of the bottom surface of the cone to the height of the cone, if the cone is a round table, the ratio of the diameter difference of an upper bottom circle and a lower bottom circle to the height of the cone table is the ratio of the diameter difference of the upper bottom circle and the lower bottom circle to the height of the cone table, namely the cross section areas of the input cone body and the output cone body are reduced or enlarged from bottom to top, the change situations of the cross section areas of the input cone body and the output cone body from bottom to top are opposite, namely the gathering directions of the cross sections are opposite, the driver is respectively contacted with or meshed with the input cone body and the output cone body so as to realize the transmission effect, the movement of the driver from top to bottom inevitably leads the speed of the driver to change under the action of the input cone body, the transmission influences the rotation speed change of, therefore, an observer can better observe the phenomenon of the stepless speed change to achieve the effect of teaching or demonstration.
Preferably, the input vertebral body and the output vertebral body are in transmission connection through the driver, the driver at least comprises a transmission wheel and a support arm, and the transmission wheel is rotatably connected to the support arm.
Furthermore, the implementation scheme includes, but is not limited to, the first method is a shaft rotation mode on the support arm, that is, the support arm is provided with a connecting shaft, the connecting shaft passes through the circle center of the driving wheel and is connected with the driving wheel, one end of the connecting shaft is fixedly connected with a limiting block for limiting the driving wheel, and the other end of the connecting shaft is rotatably connected with the support arm through a bearing or other structures;
the second method is a shaft rotation mode on the driving wheel, namely, a connecting shaft is arranged on the supporting arm, the connecting shaft penetrates through the circle center of the driving wheel and is connected with the driving wheel, a limiting block for limiting the driving wheel is fixedly connected to one end of the connecting shaft, the other end of the connecting shaft is fixedly connected with the supporting arm, the connecting shaft is rotatably connected with the driving wheel through a bearing, and the bearing is embedded in the circle center of the driving wheel in an interference manner.
Preferably, the transmission wheel is in surface contact or meshing with the input vertebral body and the output vertebral body during transmission.
Further, when the input cone and the output cone are cones or circular truncated cones, the driving wheel is a disc-shaped roller wheel, the driving wheel is in contact or abutting connection with the input cone and the output cone, the driving of the input cone and the output cone is realized through friction force, when the input cone and the output cone are spiral bevel gears, the driving wheel is a spiral bevel gear, the driving wheel is in gear engagement with the input cone and the output cone, and the driving of the input cone and the output cone is realized through gear engagement.
Preferably, the power source is fixed in the model base or on the upper surface, the power source is a motor, and the power source is connected with the input end through a shaft.
Further, model base or upper surface fixed or swing joint have the power supply, the power supply passes through electric control, model base is inside to have the space, the motor be located the inner space and pass in its upper surface with the input transmission is connected, for the input provides power, and the motor passes through the power of electric wire electricity federation and also can supply power through battery electricity federation, and the electric wire passes model base can be with external socket electricity federation.
Preferably, the tip of the output cone and/or the input cone is provided with a speed display device.
Preferably, the speed display device at least comprises a color display board or a digital display, the color display board is fixedly connected to the top surface of the output cone and/or the input cone, and the color display board has two or more colors.
Further, when the speed display device is a color display board, at least one plane exists on the top of the output cone and/or the input cone, the color display board is fixedly connected to the plane, and when the output cone and/or the input cone rotate under the action of the power source and the driver, the color display board also rotates, so that the color on the color display board can intuitively enable an observer to feel the change of the speed in the rotating process due to the change of the speed and the color.
Preferably, the digital display is connected to a counter on the output cone and/or the input cone.
Further, the counter is a commonly used photoelectric counter for measuring the number of rotations of the shaft such as a commercially available LY-05C counter, and the number of rotations per minute or per hour is displayed by a liquid crystal screen to thereby derive the change of the linear velocity.
Preferably, the output cone and/or the input cone is a cone, a truncated cone or a helical bevel gear.
Preferably, the actuator further comprises a telescopic support column, one end of which is fixedly connected with the support arm.
Furthermore, the other end of the support column is fixedly connected with the model base, at least one section of the support column is composed of a telescopic cylinder, the telescopic cylinder is telescopic through a speed adjusting joint controller, or the telescopic adjustment of the support column is manually adjusted, namely the support column is manually replaced, and the support arm is manually pinched so as to adjust the upper and lower positions of the driving wheel and be in transmission fit with the input end and the output end.
Preferably, the input end and the output end are rotatably connected to the model base with a space therebetween.
Further, there is a gap that prevents rotation of the input end from interfering with rotation of the output section.
The utility model discloses following beneficial effect has:
the utility model discloses the suitability is very strong, has very big development prospect, the utility model discloses simple structure, the function safety, the demonstration effect is directly perceived, can introduce or provide very good model display effect in the aspect of the classroom education in the enterprise for observer and educated personnel obtain more audio-visual effect, with infinitely variable's process visualization, are favorable to understanding and study more.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view of the present application;
FIG. 4 is a schematic view of the present invention gear engagement implementation;
in the figure, 1-input end, 11-input cone, 12-power source, 2-output end, 21-output cone, 3-driver, 31-driving wheel, 32-supporting arm, 33-supporting column, 4-model base and 5-speed display device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment one, as shown in fig. 1, 2 and 3, a stepless speed change demonstration model comprises an input end 1 and an output end 2 and a transmission 3 connected with the input end 1 and the output end 2, and is characterized in that: the input end 1 and the output end 2 are rotatably connected on the model base 4, the axis of the bottoms of the input end 1 and the output end 2 is provided with at least a limiting groove or a limiting pit, the model base 4 is provided with at least two rotating shafts, one rotating shaft is in transmission connection with a motor shaft of a power source 12, the other rotating shaft automatically rotates, the rotating shafts are in interference connection with the model base 4 through bearings, the input end 1 comprises an input cone 11 and the power source 12, the bottom of the input cone 11 is in rotational connection with the power source 12, the output end 2 comprises an output cone 21, the bottom of the output cone 21 is in rotational connection with the model base 4, the folding directions of the cross sections of the input cone 11 and the output cone 21 are opposite, and the input cone 11 and the output cone 21 both have conicity due to being cones, the taper refers to the ratio of the diameter of the bottom surface of the cone to the height of the cone, and if the cone is a circular truncated cone, the ratio of the diameter difference of the upper bottom circle and the lower bottom circle to the height of the cone, namely, the cross-sectional areas of the input vertebral body 11 and the output vertebral body 21 are reduced or enlarged from bottom to top, the change conditions of the cross section areas of the input vertebral body 11 and the output vertebral body 21 from bottom to top are opposite, namely the closing directions of the cross sections are opposite, the driver 3 is in contact with or engages the input vertebral body 11 and the output vertebral body 21 respectively to achieve its driving effect, whereas the movement of the actuator 3 from top to bottom entails a change in its speed under the influence of the input cone 11, the transmission of the output cone 21 affects the rotation speed change of the output cone, and the section closing directions of the output cone and the output cone are opposite to each other, so that the speed change can be amplified, therefore, an observer can better observe the phenomenon of the stepless speed change to achieve the effect of teaching or demonstration.
In this embodiment, the input vertebral body 11 and the output vertebral body 21 are in transmission connection through the actuator 3, the actuator 3 at least includes a transmission wheel 31 and a support arm 32, the transmission wheel 31 is rotatably connected to the support arm 32, the implementation scheme includes, but is not limited to, two cases, that is, a first method is a shaft rotation mode on the support arm 32, that is, a connection shaft is provided on the support arm 32, the connection shaft passes through the center of the transmission wheel 31 to be connected therewith, one end of the connection shaft is fixedly connected with a limit block for limiting the transmission wheel 31, and the other end of the connection shaft is rotatably connected with the support arm 32 through a bearing or other structures;
the second method is a shaft rotation manner on the driving wheel 31, that is, the supporting arm 32 is provided with a connecting shaft, the connecting shaft passes through the center of the driving wheel 31 and is connected with the driving wheel, one end of the connecting shaft is fixedly connected with a limiting block for limiting the driving wheel 31, the other end of the connecting shaft is fixedly connected with the supporting arm 32, wherein the connecting shaft is rotatably connected with the driving wheel 31 through a bearing, and the bearing is embedded in the center of the driving wheel 31 in an interference manner.
In this embodiment, the transmission wheel 31 is in surface contact with or engaged with the input cone 11 and the output cone 21 during transmission, when the input cone 11 and the output cone 21 are cones or circular truncated cones, the transmission wheel 31 is a disc-shaped roller, the transmission wheel 31 is in contact or abutting connection with the input cone 11 and the output cone 21, transmission between the input cone 11 and the output cone 21 is achieved through friction force, when the input cone 11 and the output cone 21 are spiral bevel gears, the transmission wheel 31 is a spiral bevel gear, the transmission wheel 31 is in gear engagement with the input cone 11 and the output cone 21, transmission between the input cone 11 and the output cone 21 is achieved through gear engagement, the power source 12 is fixed in the model base 4 or on the upper surface, the power source 12 is a motor, and the power source 12 is connected with the input end 1 through a shaft, model base 4 or upper surface fixed or swing joint have power supply 12, power supply 12 passes through electric control, model base 4 is inside to have a space, and the motor is located the inner space and passes at its upper surface with input 1 transmission is connected, for input 1 provides power, and the motor passes through the power supply of electric wire electricity federation also can be through the power supply of battery electricity federation, and the electric wire passes model base 4 can be with external socket electricity federation.
In this embodiment, a speed display device 5 is disposed at the top end of the output vertebral body 21 and/or the input vertebral body 11, the speed display device 5 at least includes a color display board or a digital display, the color display board is fixedly connected to the top surface of the output vertebral body 21 and/or the input vertebral body 11, the color display board has two or more colors, when the speed display device 5 is a color display board, at least one plane exists at the top of the output vertebral body 21 and/or the input vertebral body 11, the color display board is fixedly connected to the plane, when the output vertebral body 21 and/or the input vertebral body 11 rotates under the action of the power source 12 and the driver 3, the color display board also rotates, so that the color on the color display board can intuitively make an observer feel the change of the speed during the rotation, because of the speed variation and color, the digital display is connected to a counter on the output cone 21 and/or the input cone 11, which is a commonly used photoelectric counter for measuring the number of turns of the shaft, such as a commercially available LY-05C counter, and the number of turns per minute or hour is displayed by a liquid crystal screen to obtain the variation of the linear speed.
In this embodiment, the actuator 3 further includes a telescopic supporting column 33, one end of which is fixedly connected to the supporting arm 32, the other end of the supporting column 33 is fixedly connected to the model base 4, at least one section of the supporting column 33 is composed of a telescopic cylinder which is telescopic through a speed adjusting joint controller by a switch controller, or the telescopic adjustment of the supporting column 33 is realized by manual adjustment, namely, the supporting column 33 is manually replaced, the supporting arm 32 is manually pinched so as to adjust the up-and-down position of the driving wheel 31 and the transmission fit with the input end 1 and the output end 2, the input end 1 and the output end 2 are rotatably connected to the model base 4, and an interval exists between the input end 1 and the output end 2, and the existing interval can prevent the rotation of the input end 1 from interfering with the rotation of the output section 2.
In this embodiment, the output cone 21 and/or the input cone 11 are cones or circular truncated cones, the transmission wheel 31 is a roller, the transmission wheel 31 is in contact or abutting connection with the former two, and transmission between the two is realized through friction.
In the second embodiment, as shown in fig. 4, in this embodiment, the output cone 21 and/or the input cone 11 are spiral bevel gears, the transmission wheel 31 is a spiral bevel gear, the transmission relationship between the transmission wheel 31 and the former two is gear engagement transmission, and at this time, the output cone 21 and/or the input cone 11 are obliquely arranged, that is, the model base 4 is L-shaped, the former two are located on two sides of the L-shape, and transmission is performed between the two through the transmission bevel gears, otherwise, the same as the first embodiment.
The utility model has the advantages of the utility model is that, the motor drive input rotates, and the driver carries out the transmission with input and output, and the output is driven to rotate, and the speed of output passes through the top show, removes the driver and realizes stepless speed change between them, and the speed of output passes through the top show.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (10)
1. A stepless speed change demonstration model comprises an input end (1), an output end (2) and a transmission (3) connected with the input end and the output end, and is characterized in that: the device also comprises a model base (4), the input end (1) and the output end (2) are rotationally connected to the model base (4),
the input end (1) comprises an input vertebral body (11) and a power source (12), the bottom of the input vertebral body (11) is rotationally connected with the power source (12), the output end (2) comprises an output vertebral body (21), the bottom of the output vertebral body (21) is rotationally connected with the model base (4), and the folding directions of the cross sections of the input vertebral body (11) and the output vertebral body (21) are opposite.
2. A continuously variable demonstration model according to claim 1 wherein: the input vertebral body (11) is in transmission connection with the output vertebral body (21) through the driver (3), the driver (3) at least comprises a driving wheel (31) and a supporting arm (32), and the driving wheel (31) is rotatably connected to the supporting arm (32).
3. A continuously variable demonstration model according to claim 2 wherein: the transmission wheel (31) is in surface contact or meshing with the input cone (11) and the output cone (21) during transmission.
4. A continuously variable demonstration model according to claim 1 wherein: the power source (12) is fixed in the model base (4) or on the upper surface, the power source (12) is a motor, and the power source (12) is connected with the input end (1) through a shaft.
5. A continuously variable demonstration model according to claim 1 wherein: the top end of the output cone body (21) and/or the input cone body (11) is provided with a speed display device (5).
6. A continuously variable demonstration model according to claim 5 wherein: the speed display device (5) at least comprises a color display board or a digital display, the color display board is fixedly connected to the top surface of the output cone body (21) and/or the input cone body (11), and the color display board has two or more colors.
7. A continuously variable demonstration model according to claim 6 wherein: the digital display is connected to a counter on the output cone (21) and/or the input cone (11).
8. A stepless speed change demonstration model according to any one of claims 1-7, characterized in that: the output cone (21) and/or the input cone (11) is a cone, a circular truncated cone or a spiral bevel gear.
9. A continuously variable demonstration model according to claim 2 wherein: the driver (3) also comprises a telescopic supporting column (33), and one end of the telescopic supporting column is fixedly connected with the supporting arm (32).
10. A continuously variable demonstration model according to claim 1 wherein: the input end (1) and the output end (2) are rotatably connected to the model base (4) and a gap exists between the input end and the output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950094.7U CN210777494U (en) | 2019-06-24 | 2019-06-24 | Stepless speed change demonstration model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950094.7U CN210777494U (en) | 2019-06-24 | 2019-06-24 | Stepless speed change demonstration model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210777494U true CN210777494U (en) | 2020-06-16 |
Family
ID=71041685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950094.7U Expired - Fee Related CN210777494U (en) | 2019-06-24 | 2019-06-24 | Stepless speed change demonstration model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210777494U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933508A (en) * | 2021-01-29 | 2021-06-11 | 上海寅生科技有限公司 | Infinitely variable speed adjusting device |
| CN114832910A (en) * | 2022-04-23 | 2022-08-02 | 湖南伍玖环保科技发展有限公司 | Rural domestic sewage treatment equipment of integration |
-
2019
- 2019-06-24 CN CN201920950094.7U patent/CN210777494U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933508A (en) * | 2021-01-29 | 2021-06-11 | 上海寅生科技有限公司 | Infinitely variable speed adjusting device |
| CN114832910A (en) * | 2022-04-23 | 2022-08-02 | 湖南伍玖环保科技发展有限公司 | Rural domestic sewage treatment equipment of integration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210777494U (en) | Stepless speed change demonstration model | |
| CN202691445U (en) | Pipeline robot under the combination drive of single electric motor, wheel type and speed change spiral type | |
| CN102691856B (en) | Single-motor, wheel type and variable speed spiral type hybrid driven pipeline robot | |
| CN206757921U (en) | Turning analogue means and chassis teaching aid | |
| CN109615943A (en) | A kind of long-range control teaching robot | |
| CN203926695U (en) | A kind of high low speed driving mechanism | |
| CN111653179A (en) | Automobile teaching aid for simulating working conditions of rear wheels of automobile | |
| CN202003585U (en) | Lathe transmission model | |
| CN204117482U (en) | A kind of vehicle manual three grades of shift speed change demonstration teaching aids | |
| CN201078469Y (en) | Striking gear and gearing equipment with the same | |
| CN103591231B (en) | Power dividing planet ring bevel gear type stepless speed variator | |
| CN207554757U (en) | A kind of hypodontia wheel and bevel gear cooperation linkage | |
| CN203706581U (en) | Teaching instrument for hole disc type variable-speed control mechanism of milling machine | |
| CN203051632U (en) | Transmission | |
| CN2810493Y (en) | Multifunctional rotary bed | |
| CN216435289U (en) | Automobile universal transmission shaft demonstration device | |
| CN203726457U (en) | Overturning pedestal | |
| CN105047063B (en) | The convertible teaching aid of six gear complicated gear trains of one kind | |
| CN103925341A (en) | Multi-functional micro gearbox | |
| CN212809555U (en) | Mechanical lifting transmission teaching instrument | |
| CN209103674U (en) | A kind of science popularization device for demonstrating gearbox principle | |
| CN210514857U (en) | Detection rotating table for liquid crystal panel | |
| CN209100568U (en) | Three axis while in the same direction variable speed rotating mechanism | |
| CN212809556U (en) | Mechanical rotary transmission teaching instrument | |
| CN208051482U (en) | A kind of Novel planer gearbox |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |