CN212181780U

CN212181780U - Differential mechanism presentation device is used in teaching

Info

Publication number: CN212181780U
Application number: CN202020683653.5U
Authority: CN
Inventors: 丁彤
Original assignee: Hebei Chengfeng Enterprise Consulting Management Co ltd
Current assignee: Hebei Chengfeng Enterprise Consulting Management Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-18
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a mechanical teaching technical field especially relates to a differential mechanism presentation device is used in teaching. Including adopting and installing the differential mechanism body on the bottom plate that has the walking wheel, utilize the motor to pass through differential mechanism drive walking wheel, along track movement, utilize drive gear to transmit power to the carousel on the walking wheel of both sides, during the carousel rotates a little ball that will hold in the box every week and takes to the hyaline tube, demonstrate differential mechanism's principle and effect, solved only to state theory knowledge and multimedia demonstration and hardly let the student understand, and the boring problem of learning process. Utilize presentation device to come the teaching, the in-process lets the student practice with the hands, deepens understanding, strengthens the ability of handling.

Description

Differential mechanism presentation device is used in teaching

Technical Field

The utility model relates to a mechanical teaching technical field especially relates to a differential mechanism presentation device is used in teaching.

Background

The teaching is that people carry out talent training activities, students are guided to learn and master scientific arrangement and skills through the activities, a common teaching mode is that teachers teach theoretical knowledge and multimedia demonstration, the teaching mode is difficult to be completely understood by the students, and the learning process is tedious. Can assist the teaching through relevant presentation device, let the student come the hand practice, not only become interesting with boring knowledge like this, can also strengthen learning knowledge's interest, deepen the understanding to knowledge, alleviate teacher's teaching burden simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, be not enough to the technique that above-mentioned exists, the utility model provides a differential mechanism presentation device is used in teaching, the adoption is installed the differential mechanism body on the bottom plate that has the walking wheel, utilize the motor to pass through differential mechanism drive walking wheel, along rail motion, utilize drive gear to transmit power to the carousel on the walking wheel of both sides, the carousel is every to rotate a week and will hold a pellet in the box and take to the hyaline tube, differential mechanism's principle and effect are demonstrated, only lecture theoretical knowledge and multimedia demonstration have been solved and hardly let the student understand, and the boring problem of learning process. Utilize presentation device to come the teaching, the in-process lets the student practice with the hands, deepens understanding, strengthens the ability of handling.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the universal wheel type bicycle comprises a bottom plate, wherein two symmetrical universal wheels are arranged below the front part of the bottom plate, and the universal wheels are connected with the bottom plate through bolts; four guide wheels are arranged below the middle part of the bottom plate and are connected with the bottom plate through bolts; a support table is arranged above the bottom plate, a first round hole is formed in the support table, and the support table is connected with the bottom plate through a bolt; two symmetrical supporting seats are further arranged above the bottom plate, second round holes are formed in the supporting seats, and the supporting seats are connected with the base through bolts; the bottom plate both sides set up the walking wheel of symmetry, the inboard central point of walking wheel puts rim plate and hollow shaft, the hollow shaft pass through the second round hole and pass through the bearing with the supporting seat and be connected, the rim plate on set up first gear, first gear passes through the key-type connection with the rim plate, the foretell brace table has set up the motor, the output shaft of motor passes first round hole and is connected through the bearing with the brace table, the motor passes through bolted connection with the brace table.

Further optimize this technical scheme, bottom plate top set up the differential mechanism body, the driving gear of differential mechanism body passes through the key-type connection with the output shaft, the driven gear and the hollow shaft of differential mechanism body pass through the bearing and are connected, the transmission shaft and the hollow shaft of differential mechanism body pass through the key-type connection.

The technical scheme is further optimized, a counting device is arranged above the supporting seat and comprises a supporting frame, a third round hole is formed in the center of the upper surface of the supporting frame, a threaded column penetrating through the hollow part of the supporting frame is arranged on the lower surface of the supporting frame, and the supporting frame is connected with the supporting seat through a bolt; the support frame is provided with a transmission rod, the transmission rod penetrates through the third round hole to be connected with the support frame through a bearing, the transmission rod is provided with a second gear, and the second gear is in key connection with the transmission rod; the support frame is provided with a rotary table, a fourth round hole is formed in the center of the rotary table, the rotary table is provided with a ball port, and the transmission rod penetrates through the fourth round hole and is in key connection with the rotary table; the supporting frame is provided with an accommodating box, the inside of the accommodating box is a smooth inclined plane, a small ball is arranged inside the accommodating box, the bottom of the accommodating box is provided with a circular ring, the lower surface of the accommodating box is provided with a fifth circular hole, the fifth circular hole is communicated with the inside, the turntable is embedded into the circular ring in a matching manner, and the accommodating box is connected with the supporting frame through a bolt; the support frame below set up the hyaline tube, the bottom of hyaline tube has the rubber buffer, the internal diameter of hyaline tube can only hold a pellet, the hyaline tube passes through threaded connection with the screw thread post.

Further optimize this technical scheme, bottom plate below set up the demonstration platform, the upper surface of demonstration platform has the track, track both sides face is tangent with four leading wheels, the superscript face and the universal wheel of demonstration platform and walking wheel are tangent.

Further optimize this technical scheme, fifth round hole and screw thread post not be in the same one side of support frame.

Further optimize this technical scheme, first gear and second gear intermeshing.

Compared with the prior art, the utility model has the advantages of it is following: 1. the guide wheels are arranged below the bottom plate, and the structure is favorable for ensuring that the bottom plate moves along the track; 2. the first gear is meshed with the second gear, and the structure is favorable for ensuring that the movable rotary disc also rotates when the travelling wheel rotates; 3. the rotary disc is provided with a ball port, and the structure is favorable for ensuring that the small balls are transferred to the threaded column from the fifth round hole; 4. the inside of the accommodating box is a smooth inclined plane, and the structure is favorable for ensuring that the small ball can roll to the fifth round hole; 5. the inner diameter of the transparent tube can only accommodate one pellet, and the structure is favorable for ensuring that the quantity of the pellets can be obviously seen.

Drawings

Fig. 1 is an overall schematic diagram of a differential demonstration device for teaching.

Fig. 2 is a rear view of a differential demonstration apparatus for teaching.

Fig. 3 is a top view of a differential demonstration device for teaching.

Fig. 4 is a schematic diagram of a part of characteristics of a differential demonstration device for teaching.

In the figure: 1. a base plate; 2. a traveling wheel; 3. a differential body; 4. a support frame; 5. accommodating the box; 6. a demonstration table; 101. a universal wheel; 102. a guide wheel; 103. a support table; 104. a first circular hole; 105. a supporting seat; 106. a second circular hole; 107. a motor; 108. an output shaft; 201. a wheel disc; 202. a hollow shaft; 203. a first gear; 301. a driving gear; 302. a driven gear; 303. a drive shaft; 401. a third circular hole; 402. a threaded post; 403. a transmission rod; 404. a second gear; 405. a turntable; 406. a fourth circular hole; 407. a ball mouth is arranged; 501. a pellet; 502. a circular ring; 503. a fifth circular hole; 504. a transparent tube; 505. a rubber plug; 601. a track.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

1. The first embodiment is as follows: referring to fig. 1-4, the universal wheel type bicycle comprises a bottom plate 1, wherein two symmetrical universal wheels 101 are arranged below the front part of the bottom plate 1, and the universal wheels 101 are connected with the bottom plate 1 through bolts; four guide wheels 102 are arranged below the middle part of the bottom plate 1, and the guide wheels 102 are connected with the bottom plate 1 through bolts; a support platform 103 is arranged above the bottom plate 1, a first round hole 104 is arranged on the support platform 103, and the support platform 103 is connected with the bottom plate 1 through a bolt; two symmetrical supporting seats 105 are further arranged above the bottom plate 1, second round holes 106 are formed in the supporting seats 105, and the supporting seats 105 are connected with the base through bolts; the bottom plate 1 both sides set up symmetrical walking wheel 2, the inboard central point of walking wheel 2 has rim plate 201 and hollow shaft 202, hollow shaft 202 pass second round hole 106 and pass through the bearing with supporting seat 105 and be connected, rim plate 201 on set up first gear 203, first gear 203 passes through the key-type connection with rim plate 201, set up motor 107 on the foretell supporting bench 103, the output shaft 108 of motor 107 passes first round hole 104 and passes through the bearing with supporting bench 103 and be connected, motor 107 passes through bolted connection with supporting bench 103. The differential mechanism body 3 is arranged above the bottom plate 1, a driving gear 301 of the differential mechanism body 3 is in key connection with the output shaft 108, a driven gear 302 of the differential mechanism body 3 is connected with the hollow shaft 202 through a bearing, and a transmission shaft 303 of the differential mechanism body 3 is in key connection with the hollow shaft 202. A counting device is arranged above the supporting seat 105 and comprises a supporting frame 4, a third round hole 401 is arranged at the center of the upper surface of the supporting frame 4, a threaded column 402 which penetrates through the hollow part of the supporting frame 4 is arranged on the lower surface of the supporting frame 4, and the supporting frame 4 is connected with the supporting seat 105 through a bolt; a transmission rod 403 is arranged on the support frame 4, the transmission rod 403 penetrates through the third round hole 401 to be connected with the support frame 4 through a bearing, a second gear 404 is arranged on the transmission rod 403, and the second gear 404 is connected with the transmission rod 403 through a key; the supporting frame 4 is provided with a rotating disc 405, a fourth round hole 406 is arranged at the center of the rotating disc 405, a ball port 407 is arranged on the rotating disc 405, and the transmission rod 403 penetrates through the fourth round hole 406 and is in key connection with the rotating disc 405; the supporting frame 4 is provided with an accommodating box 5, the inside of the accommodating box 5 is a smooth inclined plane, a small ball 501 is arranged inside the accommodating box 5, the bottom of the accommodating box 5 is provided with a circular ring 502, the lower surface of the accommodating box 5 is provided with a fifth circular hole 503, the fifth circular hole 503 is communicated with the inside, the turntable 405 is matched and embedded into the circular ring 502, and the accommodating box 5 is connected with the supporting frame 4 through a bolt; a transparent tube 504 is arranged below the support frame 4, a rubber plug 505 is arranged at the bottom of the transparent tube 504, the inner diameter of the transparent tube 504 can only accommodate one small ball 501, and the transparent tube 504 is in threaded connection with the threaded column 402. A demonstration table 6 is arranged below the bottom plate 1, a track 601 is arranged on the upper surface of the demonstration table 6, two side surfaces of the track 601 are tangent to the four guide wheels 102, and the upper surface of the demonstration table 6 is tangent to the universal wheels 101 and the walking wheels 2. The fifth circular hole 503 and the threaded column 402 are not on the same side of the support frame 4. The first gear 203 and the second gear 404 are meshed with each other.

In use, as shown in fig. 1-4, when the demonstration device is used, the motor 107 is started, the output shaft 108 rotates clockwise when the motor 107 works, the output shaft 108 drives the driving gear 301 to rotate, the driving gear 301 transmits power to the traveling wheel 2 through the driven gear 302, the bottom plate 1 moves forward when the traveling wheel 2 rotates, the guide wheel 102 can enable the bottom plate 1 to move along the track 601, the traveling wheel 2 rotates and drives the first gear 203 to rotate, the first gear 203 transmits power to the turntable 405 through the second gear 404 when rotating, the traveling wheel 2 rotates a circle of the turntable 405, the ball 501 falls into the ball-carrying port 407 when the position with the ball port 407 rotates to the fifth circular hole 503, the ball 501 in the ball-carrying port 407 falls into the threaded column 402 when the position with the ball port 407 rotates to the threaded column 402, and then the ball 501 falls into the transparent tube 504, when the bottom plate 1 moves linearly along the track 601, the rotating speed of the traveling wheels 2 on the two sides is the same, the bottom plate 1 moves to the turning position of the track 601 to turn off the motor 107 to stop the movement of the bottom plate 1, and the number of the small balls 501 falling into the transparent tube 504 is consistent, and the number of the small balls 501 is recorded.

Step two, as shown in fig. 1 to 4, when the motor 107 is restarted, the bottom plate 1 turns left along the track 601, at this time, the rotating speed of the left traveling wheel 2 is reduced, the rotating speed of the right traveling wheel 2 is increased, so that the number of the rotating turns of the left traveling wheel 2 is less than that of the rotating turns of the right traveling wheel 2, after the left turn of the bottom plate 1 is completed, the motor 107 is turned off to stop the movement of the bottom plate 1, the number of the pellets 501 is recorded, at this time, the number of the pellets 501 in the left transparent tube 504 is less than that in the right transparent tube 504, and the effect of the differential body 3 can be expressed according to.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a differential mechanism presentation device is used in teaching which characterized in that: the universal wheel comprises a bottom plate (1), wherein two symmetrical universal wheels (101) are arranged below the front part of the bottom plate (1), and the universal wheels (101) are connected with the bottom plate (1) through bolts; four guide wheels (102) are arranged below the middle part of the bottom plate (1), and the guide wheels (102) are connected with the bottom plate (1) through bolts; a support table (103) is arranged above the bottom plate (1), a first round hole (104) is formed in the support table (103), and the support table (103) is connected with the bottom plate (1) through a bolt; two symmetrical supporting seats (105) are further arranged above the bottom plate (1), second round holes (106) are formed in the supporting seats (105), and the supporting seats (105) are connected with the base through bolts; bottom plate (1) both sides set up walking wheel (2) of symmetry, the inboard central point of walking wheel (2) puts rim plate (201) and hollow shaft (202), hollow shaft (202) pass second round hole (106) and be connected through the bearing with supporting seat (105), rim plate (201) on set up first gear (203), first gear (203) and rim plate (201) pass through the key-type connection, foretell brace table (103) are gone up and have been set up motor (107), output shaft (108) of motor (107) pass first round hole (104) and are connected through the bearing with brace table (103), motor (107) pass through bolted connection with brace table (103).

2. A differential demonstration device for teaching as claimed in claim 1 wherein: the differential mechanism is characterized in that a differential mechanism body (3) is arranged above the bottom plate (1), a driving gear (301) of the differential mechanism body (3) is in key connection with an output shaft (108), a driven gear (302) of the differential mechanism body (3) is connected with a hollow shaft (202) through a bearing, and a transmission shaft (303) of the differential mechanism body (3) is in key connection with the hollow shaft (202).

3. A differential demonstration device for teaching as claimed in claim 1 wherein: a counting device is arranged above the supporting seat (105), the counting device comprises a supporting frame (4), a third round hole (401) is formed in the center of the upper surface of the supporting frame (4), a threaded column (402) penetrating through the hollow of the supporting frame (4) is arranged on the lower surface of the supporting frame (4), and the supporting frame (4) is connected with the supporting seat (105) through a bolt; the supporting frame (4) is provided with a transmission rod (403), the transmission rod (403) penetrates through the third round hole (401) to be connected with the supporting frame (4) through a bearing, the transmission rod (403) is provided with a second gear (404), and the second gear (404) is connected with the transmission rod (403) through a key; the supporting frame (4) is provided with a turntable (405), a fourth round hole (406) is arranged at the center of the turntable (405), a ball port (407) is arranged on the turntable (405), and the transmission rod (403) penetrates through the fourth round hole (406) to be connected with the turntable (405) through a key; the supporting frame (4) is provided with an accommodating box (5), the inside of the accommodating box (5) is a smooth inclined plane, a small ball (501) is arranged inside the accommodating box (5), the bottom of the accommodating box (5) is provided with a circular ring (502), the lower surface of the accommodating box (5) is provided with a fifth circular hole (503), the fifth circular hole (503) is communicated with the inside, the turntable (405) is embedded into the circular ring (502) in a matching manner, and the accommodating box (5) is connected with the supporting frame (4) through a bolt; support frame (4) below set up transparent tube (504), there is rubber buffer (505) bottom transparent tube (504), the internal diameter of transparent tube (504) can only hold a pellet (501), transparent tube (504) pass through threaded connection with screw thread post (402).

4. A differential demonstration device for teaching as claimed in claim 1 wherein: the demonstration table is characterized in that a demonstration table (6) is arranged below the bottom plate (1), a track (601) is arranged on the upper surface of the demonstration table (6), two side surfaces of the track (601) are tangent to the four guide wheels (102), and the upper surface of the demonstration table (6) is tangent to the universal wheels (101) and the walking wheels (2).

5. A differential demonstration device for teaching as claimed in claim 3 wherein: the fifth round hole (503) and the threaded column (402) are not on the same side of the support frame (4).

6. A differential teaching demonstration device according to claim 1 or 2 wherein: the first gear (203) and the second gear (404) are meshed with each other.