CN209373866U - A kind of Physical Experiment transmission mechanism apparatus for demonstrating - Google Patents
A kind of Physical Experiment transmission mechanism apparatus for demonstrating Download PDFInfo
- Publication number
- CN209373866U CN209373866U CN201821563480.2U CN201821563480U CN209373866U CN 209373866 U CN209373866 U CN 209373866U CN 201821563480 U CN201821563480 U CN 201821563480U CN 209373866 U CN209373866 U CN 209373866U
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- demonstrating
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- transmission mechanism
- motor
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Abstract
The utility model discloses a kind of Physical Experiment transmission mechanism apparatus for demonstrating, including pedestal and apparatus for demonstrating case, the upper surface of the pedestal is equipped with apparatus for demonstrating case, the upper center position of the apparatus for demonstrating case, which is fixed by the bracket, is equipped with motor, also interference fit is equipped with driving gear on the output shaft of motor, the two sides of driving gear, which also mesh with, is connected with driven gear, interference fit is equipped with worm screw at the core wheel of driven gear, pass through welded connecting between mounting rack and fixed frame, worm gear is rotatably equipped on mounting rack, special shape gear is also rotatably equipped on mounting rack.The device is not only able to achieve the demonstration of the transmission between gear and gear, the transmission demonstration being also able to achieve between worm gear and worm screw, the transmission demonstration of various mechanism is realized by a device, greatly improve the versatility of device, school is avoided to buy a variety of devices to be demonstrated, on the one hand the occupation rate of lab space is reduced, acquisition cost is on the other hand saved, it is practical.
Description
Technical field
The utility model relates to physics teaching field, specifically a kind of Physical Experiment transmission mechanism apparatus for demonstrating.
Background technique
China Higher, the status of medium and professional colleges Machine Design transmission teaching mode are that structure is simple, function at present
Demonstration that is single, can only realizing simple mechanism is more the function of demonstrating mechanism, few with practical application connection, is difficult to excite
The enthusiasm of student's study, memory is not deep enough, and traditional teaching mode effectively cannot directly feed back speed in V belt translation out
With the relationship of pulley diameters, gear drive middle gear speed and the relationship of gear etc..
Existing transmission apparatus for demonstrating function is relatively simple, and each device is only capable of demonstrating a kind of transmission mechanism, to need
A large amount of apparatus for demonstrating, not only occupied space, but also increase acquisition cost.
Utility model content
The purpose of this utility model is to provide a kind of Physical Experiment transmission mechanism apparatus for demonstrating, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Physical Experiment transmission mechanism apparatus for demonstrating, the upper surface including pedestal and apparatus for demonstrating case, the pedestal
Equipped with apparatus for demonstrating case, the upper center position of the apparatus for demonstrating case, which is fixed by the bracket, is equipped with motor, the output of motor
Axis is straight down and the output shaft lower end of motor is pierced by apparatus for demonstrating case, and the downside of the apparatus for demonstrating case is also fixed by screw
Fixed frame is installed, the output shaft lower end of motor is fixedly mounted on fixed frame by bearing, also interference on the output shaft of motor
It is fitted with driving gear, the two sides of driving gear, which also mesh with, is connected with driven gear, and interference is matched at the core wheel of driven gear
Conjunction is equipped with worm screw, and the worm screw installation direction positioned at the left and right sides is on the contrary, downside left and right two parts of the fixed frame are equipped with
Mounting rack is rotatably equipped with worm gear on mounting rack, worm gear is mutually fitted with worm screw by being welded to connect between mounting rack and fixed frame
Match, special shape gear is also rotatably equipped on mounting rack, the inside two sides of the apparatus for demonstrating case are also mounted by means of screws with
Sliding rail is slidably fitted with lifter rack on the sliding rail of two sides, and the teeth portion direction positioned at the lifter rack of two sides is opposite, rises
Drop rack gear engages connection with the teeth portion of special shape gear, and the downside of the lifter rack is equipped with elevating lever, elevating lever and lifter rack
Between by being welded to connect, the inside of apparatus for demonstrating case is also mounted by means of screws with partition, and partition is located at lifter rack
Lower section and elevating lever straight down and are pierced by partition, and the downside of elevating lever is equipped with linkage block, also leads between elevating lever and linkage block
Welded connecting is crossed, is connected with second spring between the downside of linkage block and the bottom of apparatus for demonstrating case.
As a further solution of the present invention: the apparatus for demonstrating case is surrounded by tempered glass.
Pass through welded connecting between the apparatus for demonstrating case and pedestal as a further solution of the present invention,.
Half half with teeth is anodontia in the outer circle of the special shape gear as a further solution of the present invention,.
The special shape gear and worm gear are concentric installation as a further solution of the present invention,.
It is as a further solution of the present invention, clearance fit between the elevating lever and partition.
Compared with prior art, the utility model has the beneficial effects that the device is not only able to achieve between gear and gear
Transmission demonstration, moreover it is possible to realize the transmission demonstration between worm gear and worm screw, realize that the transmission of various mechanism is drilled by device
Show, greatly improve the versatility of device, avoids school from buying a variety of devices to be demonstrated, on the one hand reduce lab space
Occupation rate, on the other hand save acquisition cost, it is practical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Physical Experiment transmission mechanism apparatus for demonstrating.
In figure: 1- pedestal, 2- apparatus for demonstrating case, 3- motor, 4- fixed frame, 5- driving gear, 6- driven gear, 7- snail
Bar, 8- mounting rack, 9- worm gear, 10- special shape gear, 11- sliding rail, 12- lifter rack, 13- elevating lever, 14- partition, 15- first
Spring, 16- linkage block, 17- second spring.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Referring to Fig. 1, a kind of Physical Experiment transmission mechanism apparatus for demonstrating, including it is pedestal 1 and apparatus for demonstrating case 2, described
The upper surface of pedestal 1 is equipped with apparatus for demonstrating case 2, be surrounded by tempered glass of the apparatus for demonstrating to 2, driver convenient for student viewing
Structure demonstration, by being welded to connect between apparatus for demonstrating case 2 and pedestal 1, the upper center position of the apparatus for demonstrating case 2 passes through branch
Frame is fixedly installed with motor 3, and the output shaft of motor 3 is straight down and the output shaft lower end of motor 3 is pierced by apparatus for demonstrating case 2, institute
The downside for stating apparatus for demonstrating case 2 is also mounted by means of screws with fixed frame 4, and the output shaft lower end of motor 3 is fixed by bearing
It is mounted on fixed frame 4, also interference fit is equipped with driving gear 5 on the output shaft of motor 3, and the two sides of driving gear 5 are also nibbled
Conjunction is connected with driven gear 6, and interference fit is equipped with worm screw 7 at the core wheel of driven gear 6, and the worm screw 7 positioned at the left and right sides is pacified
Fill contrary, downside left and right two parts of the fixed frame 4 are equipped with mounting rack 8, pass through between mounting rack 8 and fixed frame 4
It is welded to connect, is rotatably equipped with worm gear 9 on mounting rack 8, worm gear 9 is adapted with worm screw 7, is also rotatably equipped on mounting rack 8 different
Shape gear 10, half half with teeth is anodontia in the outer circle of special shape gear 10, and special shape gear 10 is concentric installation with worm gear 9, described
The inside two sides of apparatus for demonstrating case 2 are also mounted by means of screws with sliding rail 11, are slidably installed on the sliding rail 11 of two sides
There is lifter rack 12, the teeth portion direction positioned at the lifter rack 12 of two sides is opposite, the teeth portion of lifter rack 12 and special shape gear 10
The downside of engagement connection, the lifter rack 12 is equipped with elevating lever 13, is connected between elevating lever 13 and lifter rack 12 by welding
It connects, the inside of apparatus for demonstrating case 2 is also mounted by means of screws with partition 14, and partition 14 is located at the lower section of lifter rack 12 and liter
It drops bar 13 straight down and is pierced by partition 14, be clearance fit between elevating lever 13 and partition 14, the downside of elevating lever 13 is equipped with
Linkage block 16, also by welded connecting, the downside of linkage block 16 and the bottom of apparatus for demonstrating case 2 between elevating lever 13 and linkage block 16
Second spring 17 is connected between portion.
The working principle of the utility model is: energization makes motor 3 start work when needing to demonstrate transmission mechanism
Make, motor 3 drives driving gear 5 to start turning, and engages between driving gear 5 and driven gear 6, so that worm screw 7 be made to start to turn
It is dynamic, engaged transmission between worm screw 7 and worm gear 9, thus drive special shape gear 10 to start turning indirectly, special shape gear 10 and lifting
The engagement of rack gear 12 drives linkage block 16 to move downward, linkage block 16 moves downward indirectly to make 12 slide downward of lifter rack
Second spring 17 is squeezed, when special shape gear 10 is not engaged with lifter rack 12, under the reset response of the first spring 15, band
Dynamic linkage block 16 moves upwards resetting movement, which is not only able to achieve the demonstration of the transmission between gear and gear, moreover it is possible to realize
Transmission demonstration between worm gear and worm screw realizes that the transmission of various mechanism is demonstrated by a device, greatly improves the logical of device
With property, school is avoided to buy a variety of devices to be demonstrated, on the one hand reduces the occupation rate of lab space, on the other hand save
About acquisition cost, it is practical.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (6)
1. a kind of Physical Experiment transmission mechanism apparatus for demonstrating, including pedestal (1) and apparatus for demonstrating case (2), the pedestal (1)
Upper surface is equipped with apparatus for demonstrating case (2), it is characterised in that: the upper center position of the apparatus for demonstrating case (2) is solid by bracket
Dingan County is equipped with motor (3), and the output shaft of motor (3) is straight down and the output shaft lower end of motor (3) is pierced by apparatus for demonstrating case
(2), the downside of the apparatus for demonstrating case (2) is also mounted by means of screws with fixed frame (4), the output shaft lower end of motor (3)
It is fixedly mounted on fixed frame (4) by bearing, also interference fit is equipped with driving gear (5) on the output shaft of motor (3), main
The two sides of moving gear (5), which also mesh with, to be connected with driven gear (6), and interference fit is equipped with worm screw at the core wheel of driven gear (6)
(7), worm screw (7) installation direction positioned at the left and right sides is on the contrary, downside left and right two parts of the fixed frame (4) are equipped with installation
Frame (8) is rotatably equipped with worm gear (9), worm gear on mounting rack (8) by being welded to connect between mounting rack (8) and fixed frame (4)
(9) be adapted, be also rotatably equipped on mounting rack (8) special shape gear (10) with worm screw (7), the apparatus for demonstrating case (2) it is interior
Portion two sides are also mounted by means of screws with sliding rail (11), are slidably fitted with lifter rack on the sliding rail (11) of two sides
(12), the teeth portion direction positioned at the lifter rack (12) of two sides is opposite, and lifter rack (12) and the teeth portion of special shape gear (10) are nibbled
Connection is closed, the downside of the lifter rack (12) is equipped with elevating lever (13), passes through between elevating lever (13) and lifter rack (12)
It is welded to connect, the inside of apparatus for demonstrating case (2) is also mounted by means of screws with partition (14), and partition (14) is located at lifter rack
(12) lower section and elevating lever (13) straight down and are pierced by partition (14), and the downside of elevating lever (13) is equipped with linkage block (16),
Also by welded connecting, the downside of linkage block (16) and the bottom of apparatus for demonstrating case (2) between elevating lever (13) and linkage block (16)
Second spring (17) are connected between portion.
2. a kind of Physical Experiment transmission mechanism apparatus for demonstrating according to claim 1, it is characterised in that: the demonstration dress
That sets case (2) is surrounded by tempered glass.
3. a kind of Physical Experiment transmission mechanism apparatus for demonstrating according to claim 1, it is characterised in that: the demonstration dress
It sets and passes through welded connecting between case (2) and pedestal (1).
4. a kind of Physical Experiment transmission mechanism apparatus for demonstrating according to claim 1, it is characterised in that: the heteromorphic teeth
It is anodontia to take turns half half with teeth in the outer circle of (10).
5. a kind of Physical Experiment transmission mechanism apparatus for demonstrating according to claim 1 or 4, it is characterised in that: described different
Shape gear (10) is concentric installation with worm gear (9).
6. a kind of Physical Experiment transmission mechanism apparatus for demonstrating according to claim 1, it is characterised in that: the elevating lever
It (13) is clearance fit between partition (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563480.2U CN209373866U (en) | 2018-09-25 | 2018-09-25 | A kind of Physical Experiment transmission mechanism apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821563480.2U CN209373866U (en) | 2018-09-25 | 2018-09-25 | A kind of Physical Experiment transmission mechanism apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373866U true CN209373866U (en) | 2019-09-10 |
Family
ID=67837520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821563480.2U Expired - Fee Related CN209373866U (en) | 2018-09-25 | 2018-09-25 | A kind of Physical Experiment transmission mechanism apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209373866U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627311A (en) * | 2020-06-30 | 2020-09-04 | 温州职业技术学院 | Mechanical course teaching transmission demonstration device |
| CN111963962A (en) * | 2020-08-29 | 2020-11-20 | 胡玮 | Street lamp device with lifting structure |
| CN112289165A (en) * | 2020-11-09 | 2021-01-29 | 许昌学院 | Physical transmission demonstration device |
| CN112447090A (en) * | 2020-12-22 | 2021-03-05 | 中国人民解放军陆军工程大学 | Transmission demonstration teaching aid for equipment machinery |
-
2018
- 2018-09-25 CN CN201821563480.2U patent/CN209373866U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627311A (en) * | 2020-06-30 | 2020-09-04 | 温州职业技术学院 | Mechanical course teaching transmission demonstration device |
| CN111963962A (en) * | 2020-08-29 | 2020-11-20 | 胡玮 | Street lamp device with lifting structure |
| CN112289165A (en) * | 2020-11-09 | 2021-01-29 | 许昌学院 | Physical transmission demonstration device |
| CN112447090A (en) * | 2020-12-22 | 2021-03-05 | 中国人民解放军陆军工程大学 | Transmission demonstration teaching aid for equipment machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20200925 |