CN210443115U - Science popularization teaching instrument for demonstrating automobile differential motion principle - Google Patents
Science popularization teaching instrument for demonstrating automobile differential motion principle Download PDFInfo
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- CN210443115U CN210443115U CN201921536253.5U CN201921536253U CN210443115U CN 210443115 U CN210443115 U CN 210443115U CN 201921536253 U CN201921536253 U CN 201921536253U CN 210443115 U CN210443115 U CN 210443115U
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Abstract
The utility model discloses a science popularization teaching instrument for demonstrating the motion principle of an automobile differential, which relates to the technical field of science popularization of the automobile differential, and comprises a first demonstration platform, a second demonstration platform, a third demonstration platform and a demonstration cover, wherein the bottoms of the first demonstration platform and the second demonstration platform are both fixedly provided with a support frame, one side of the first demonstration platform is movably provided with a connecting rod through a rotating shaft I, one end of the connecting rod is movably connected with the third demonstration platform through a rotating shaft II, the second demonstration platform is sleeved on the connecting rod, a fixed rod is fixedly arranged in the demonstration cover, the demonstration cover is fixedly connected with the connecting rod through the fixed rod, the inner wall of the bottom of the demonstration cover is fixedly provided with a blast pipe and a camera, the outer wall of the bottom of the demonstration cover is fixedly provided with a rotating handle, and the tops of the first demonstration platform and the third demonstration platform are both fixedly provided with a, can all-round show, the bandwagon effect is good, but manual control also automatic control, the practicality is stronger.
Description
Technical Field
The utility model relates to an automotive differential mechanism science popularization technical field, in particular to science popularization teaching instrument of demonstration automotive differential mechanism motion principle.
Background
When the automobile is driven by four wheels, all the wheels must be connected, if the four wheels are mechanically connected together, the automobile can not rotate at the same speed when the automobile runs in a curve, in order to make the curve running rotation speed of the automobile basically consistent, at this time, a middle differential mechanism is required to be added for adjusting the rotation speed difference of the front wheel and the rear wheel, this side is the function of the automobile differential mechanism, the basic structure of the automobile differential mechanism consists of parts such as a planetary gear, a planetary gear carrier, a half shaft gear and the like, the power of an automobile engine enters the differential mechanism through a transmission shaft, directly drives the planetary gear carrier, drives a left half shaft and a right half shaft by the planetary gear, respectively drives the left wheel and the right wheel, the principle of the differential mechanism has an important popular position in the automobile mechanical industry, practitioners must know related technologies, and the science popularization is required by a popular teaching instrument, however, the current popular science teaching instrument has a common display effect, the differential mechanism is easy to accumulate dust when being placed outside for a long time and possibly influences normal rotation, meanwhile, the control mode is single, the running speed of the differential mechanism is not adjustable, and a plurality of inconveniences exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a science popularization teaching instrument of demonstration automotive differential motion principle to the bandwagon effect that proposes in solving above-mentioned background is general, and the easy laying dust of differential mechanism model influences the use, and the simultaneous control mode is single, the nonadjustable problem of differential mechanism functioning speed.
In order to achieve the above object, the utility model provides a following technical scheme: a science popularization teaching instrument for demonstrating the motion principle of an automobile differential comprises a first demonstration platform, a second demonstration platform, a third demonstration platform and a display cover, wherein supporting frames are fixedly arranged at the bottoms of the first demonstration platform and the second demonstration platform, a connecting rod is movably arranged on one side of the first demonstration platform through a rotating shaft I, one end of the connecting rod is movably connected with the third demonstration platform through a rotating shaft II, the second demonstration platform is sleeved on the connecting rod, a fixing rod is fixedly arranged in the display cover, and the display cover is fixedly connected with the connecting rod through the fixing rod;
a blast pipe and a camera are fixedly arranged on the inner wall of the bottom of the display cover, a rotating handle is fixedly arranged on the outer wall of the bottom of the display cover, a microphone and a loudspeaker are fixedly arranged at the top of each of the first demonstration platform and the third demonstration platform, the microphone is connected with the loudspeaker through a data line, a projector is also fixedly arranged at the top of the third demonstration platform, and the projector is connected with the camera through a data line;
a differential mechanism model is fixedly arranged at the top of the second demonstration platform, a first motor is fixedly arranged at one side of the top of the second demonstration platform, the first motor is connected with the differential mechanism model through a first transmission rod, a second motor is fixedly arranged at the top of the first demonstration platform, a third motor is fixedly arranged at the top of the third demonstration platform, telescopic rods are respectively arranged on the output shafts of the second motor and the third motor, a rotating seat is fixedly arranged on the telescopic rod, one end of the telescopic rod is arranged on the differential mechanism model, a power plug is arranged on one side of the first demonstration platform through a power line, a switch board is fixedly arranged on the top of the third demonstration platform, the switch board respectively with the blast pipe the camera the microphone the speaker the projecting apparatus the first motor the second motor and third motor electric connection.
As a further scheme of the invention: a micro motor is installed in the blast pipe through a fixed support, and fan blades are installed on an output shaft of the micro motor.
As a still further scheme of the invention: and the outer wall of the rotating handle is provided with an anti-slip pad.
As a still further scheme of the invention: the telescopic rod is composed of a fixed outer tube and a telescopic inner rod, and the telescopic inner rod is movably arranged in the fixed outer tube.
As a still further scheme of the invention: first demonstration platform with the third demonstration platform orientation one side of second demonstration platform all is fixed and is provided with magnet, second demonstration platform both sides all are fixed and are provided with the iron sheet.
As a still further scheme of the invention: the total number of the iron pieces and the magnets is four.
The utility model discloses a technological effect and advantage:
1. the utility model can be used for displaying the second demonstration platform in an omnibearing way by matching the rotating display cover with the internal camera, the display effect is good, and the arrangement of the blast pipe can remove dust from the differential mechanism model, so that the practicability is strong;
2. the utility model discloses second motor and third motor are detachable installation with the differential mechanism model, can the rotation of manual control differential mechanism model when using, also can start second motor and third motor and drive the rotation of differential mechanism model, satisfy different user demands.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the display cover of the present invention.
Fig. 3 is a schematic structural view of the second demonstration table and the connection portion thereof.
Fig. 4 is a schematic view of the internal structure of the middle blower tube of the present invention.
In the figure: 1. a first presentation stage; 2. a second presentation stage; 3. a third presentation stage; 4. a display cover; 5. a connecting rod; 6. fixing the rod; 7. a camera; 8. a blast pipe; 9. rotating the handle; 10. a microphone; 11. a speaker; 12. a projector; 13. a switch plate; 14. a support frame; 15. a second motor; 16. a third motor; 17. a rotating seat; 18. a telescopic rod; 19. a differential model; 20. a first motor; 21. a magnet; 22. iron sheets; 23. fixing a bracket; 24. a micro motor; 25. a fan blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a science popularization teaching instrument for demonstrating the motion principle of an automobile differential mechanism, which is shown in figures 1-4 and comprises a first demonstration platform 1, a second demonstration platform 2, a third demonstration platform 3 and a display cover 4;
referring to fig. 1 and 2, the bottom of each of the first and second demonstration platforms 1 and 2 is fixedly provided with a support frame 14, one side of the first demonstration platform 1 is movably provided with a connecting rod 5 through a rotating shaft I, one end of the connecting rod 5 is movably connected with a third demonstration platform 3 through a rotating shaft II, the second demonstration platform 2 is sleeved on the connecting rod 5, a fixing rod 6 is fixedly arranged in the demonstration cover 4, the demonstration cover 4 is fixedly connected with the connecting rod 5 through the fixing rod 6, the inner wall of the bottom of the demonstration cover 4 is fixedly provided with a blast pipe 8 and a camera 7, the outer wall of the bottom of the demonstration cover 4 is fixedly provided with a rotating handle 9, the top of each of the first and third demonstration platforms 1 and 3 is fixedly provided with a microphone 10 and a loudspeaker 11, the microphone 10 is connected with the loudspeaker 11 through a data line, the top of the third demonstration platform 3 is also fixedly provided with a projector 12, the, the utility model discloses in, first demonstration platform 1, second demonstration platform 2 and third demonstration platform 3 play basic demonstration effect of placing, and the setting of rotatable structure's show cover 4 can cooperate the camera 7 of inside to carry out all-round shooting and carry out the projection through projecting apparatus 12 to second demonstration platform 2, and the bandwagon effect is good, and the setting of blast pipe 8 then can remove dust to differential mechanism model 19 simultaneously, and show cover 4 itself also has certain dust accumulation prevention effect, makes differential mechanism model 19 difficult to the dust accumulation, and the practicality is stronger;
referring to fig. 1 and 3, a differential model 19 is fixedly arranged on the top of the second demonstration platform 2, a first motor 20 is fixedly arranged on one side of the top of the second demonstration platform 2, the first motor 20 is connected with the differential model 19 through a first transmission rod, a second motor 15 is fixedly arranged on the top of the first demonstration platform 1, a third motor 16 is fixedly arranged on the top of the third demonstration platform 3, telescopic rods 18 are respectively arranged on output shafts of the second motor 15 and the third motor 16, a rotating seat 17 is fixedly arranged on the telescopic rod 18, one end of the telescopic rod 18 is arranged on the differential model 19, a power plug is arranged on one side of the first demonstration platform 1 through a power cord, a switch board 13 is fixedly arranged on the top of the third demonstration platform 3, the switch board 13 is respectively electrically connected with a blast pipe 8, a camera 7, a microphone 10, a loudspeaker 11, a projector 12, the first motor 20, the second motor 15 and the third, the utility model discloses in, differential mechanism model 19 is connected with first motor 20, second motor 15 and third motor 16, three link when having represented actual use, and the motion of three link is all manual or control through motor drive, and the flexibility ratio is higher, and the simulation is effectual.
In addition, a micro motor 24 is installed in the blast pipe 8 through a fixed support 23, fan blades 25 are installed on an output shaft of the micro motor 24, an anti-slip pad is arranged on the outer wall of the rotating handle 9, the telescopic rod 18 is composed of a fixed outer pipe and a telescopic inner rod, the telescopic inner rod is movably arranged in the fixed outer pipe, and the fan blades 25 are driven to rotate through the micro motor 24 to achieve a basic blast effect.
As shown in fig. 3, first demonstration platform 1 and third demonstration platform 3 are all fixed being provided with magnet 21 towards one side of second demonstration platform 2, and second demonstration platform 2 both sides are all fixed being provided with iron sheet 22, and the total number of iron sheet 22 and magnet 21 is four the utility model discloses in, because second demonstration platform 2 is active structure, magnet 21 need adopt powerful magnet, utilizes magnet 21 and iron sheet 22's attraction effect to fix second demonstration platform 2, adopts this fixed mode not to influence the normal rotation of show cover 4.
This practical theory of operation: when the utility model is used, firstly, a power plug is connected with an external power supply to provide electric energy for each electrical appliance of the utility model, a switch of each electrical appliance is arranged on the switch board 13, the on-off of each electrical appliance can be directly controlled through the switch board 13, when in use, the telescopic rod 18 can be connected with the differential mechanism model 19, then the differential mechanism structure can be simulated in the automobile movement at a higher speed by starting the first motor 20, the second motor 15 and the third motor 16, the rotary seat 17 can also be manually rotated to simulate the differential mechanism structure in the automobile movement at a lower speed, the adjustment can be carried out according to the science popularization object, the microphone 10 and the loudspeaker 11 which are simultaneously configured can be used for the explanation of the science popularization personnel, meanwhile, the display cover 4 can be rotated by rotating the handle 9, and the motion principle of the differential mechanism model 19 can be displayed by matching with the camera 7 and the projector 12, the bandwagon effect is better, makes the utility model discloses whole practicality is extremely strong.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a demonstration automotive differential motion principle's science popularization teaching instrument, includes first demonstration platform (1), second demonstration platform (2), third demonstration platform (3) and show cover (4), its characterized in that: the bottom parts of the first demonstration platform (1) and the second demonstration platform (2) are fixedly provided with supporting frames (14), one side of the first demonstration platform (1) is movably provided with a connecting rod (5) through a first rotating shaft, one end of the connecting rod (5) is movably connected with the third demonstration platform (3) through a second rotating shaft, the second demonstration platform (2) is sleeved on the connecting rod (5), a fixing rod (6) is fixedly arranged in the demonstration cover (4), and the demonstration cover (4) is fixedly connected with the connecting rod (5) through the fixing rod (6);
a blast pipe (8) and a camera (7) are fixedly arranged on the inner wall of the bottom of the display cover (4), a rotating handle (9) is fixedly arranged on the outer wall of the bottom of the display cover (4), a microphone (10) and a loudspeaker (11) are fixedly arranged at the tops of the first demonstration platform (1) and the third demonstration platform (3), the microphone (10) is connected with the loudspeaker (11) through a data line, a projector (12) is also fixedly arranged at the top of the third demonstration platform (3), and the projector (12) is connected with the camera (7) through a data line;
the differential mechanism model (19) is fixedly arranged at the top of the second demonstration platform (2), a first motor (20) is fixedly arranged on one side of the top of the second demonstration platform (2), the first motor (20) is connected with the differential mechanism model (19) through a first transmission rod, a second motor (15) is fixedly arranged at the top of the first demonstration platform (1), a third motor (16) is fixedly arranged at the top of the third demonstration platform (3), telescopic rods (18) are respectively arranged on output shafts of the second motor (15) and the third motor (16), a rotating seat (17) is fixedly arranged on each telescopic rod (18), one end of each telescopic rod (18) is arranged on the differential mechanism model (19), a power plug is arranged on one side of the first demonstration platform (1) through a power line, a switch board (13) is fixedly arranged at the top of the third demonstration platform (3), the switch board (13) respectively with blast pipe (8), camera (7), microphone (10) speaker (11), projecting apparatus (12) first motor (20), second motor (15) and third motor (16) electric connection.
2. The science popularization teaching instrument for demonstrating the motion principle of the automobile differential mechanism according to claim 1, wherein: a micro motor (24) is installed in the blast pipe (8) through a fixed support (23), and fan blades (25) are installed on an output shaft of the micro motor (24).
3. The science popularization teaching instrument for demonstrating the motion principle of the automobile differential mechanism according to claim 1, wherein: and the outer wall of the rotating handle (9) is provided with an anti-slip pad.
4. The science popularization teaching instrument for demonstrating the motion principle of the automobile differential mechanism according to claim 1, wherein: the telescopic rod (18) is composed of a fixed outer tube and a telescopic inner rod, and the telescopic inner rod is movably arranged in the fixed outer tube.
5. The science popularization teaching instrument for demonstrating the motion principle of the automobile differential mechanism according to claim 1, wherein: first demonstration platform (1) with third demonstration platform (3) orientation one side of second demonstration platform (2) is all fixed and is provided with magnet (21), second demonstration platform (2) both sides are all fixed and are provided with iron sheet (22).
6. The science popularization teaching instrument for demonstrating the motion principle of the automobile differential mechanism according to claim 5, wherein: the total number of the iron sheets (22) and the magnets (21) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536253.5U CN210443115U (en) | 2019-09-17 | 2019-09-17 | Science popularization teaching instrument for demonstrating automobile differential motion principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536253.5U CN210443115U (en) | 2019-09-17 | 2019-09-17 | Science popularization teaching instrument for demonstrating automobile differential motion principle |
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| Publication Number | Publication Date |
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| CN210443115U true CN210443115U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921536253.5U Active CN210443115U (en) | 2019-09-17 | 2019-09-17 | Science popularization teaching instrument for demonstrating automobile differential motion principle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086003A (en) * | 2020-06-23 | 2020-12-15 | 袁昊 | Mechanical transmission demonstration workbench |
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2019
- 2019-09-17 CN CN201921536253.5U patent/CN210443115U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086003A (en) * | 2020-06-23 | 2020-12-15 | 袁昊 | Mechanical transmission demonstration workbench |
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