CN208985537U - One kind being used for geographical teaching demonstration instrument device - Google Patents
One kind being used for geographical teaching demonstration instrument device Download PDFInfo
- Publication number
- CN208985537U CN208985537U CN201820660652.1U CN201820660652U CN208985537U CN 208985537 U CN208985537 U CN 208985537U CN 201820660652 U CN201820660652 U CN 201820660652U CN 208985537 U CN208985537 U CN 208985537U
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- fixedly installed
- protective ring
- clamp
- instrument device
- 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
Abstract
The utility model relates to schooling apparatus technical fields, and it discloses a kind of for geographical teaching demonstration instrument device, including hollow base, drive motor is fixedly installed on the right side of the hollow base inner bottom wall, driving gear is fixedly installed on the output shaft of the drive motor, it is fixedly connected with live wire on the right side of the drive motor, is fixedly installed with bearing block at the center of the hollow base inner bottom wall.This is used for geographical teaching demonstration instrument device; when drive shaft is reversed by the malice strength of student in operation; when driving axle load exceeds the stress of the goring push spring inside protective ring; clamp just will receive the extruding force from drive shaft; then clamp is contracted in the inside of mounting groove; and clamp and card slot are in disengaged position; drive shaft will be slided in the inside of protective ring and be spinned; to prevent transmission gear and drive the rotation of gear; to avoid being damaged for gear and motor, to achieve the purpose that mechanical load is protected.
Description
Technical field
The utility model relates to schooling apparatus technical fields, specially a kind of to be used for geographical teaching demonstration instrument device.
Background technique
Geography is the natural environment (mountains and rivers, weather etc.) in the world or a certain area and the general designation of Social elements, " geography " one
Word sees Chinese "The Book of Changes" earliest, and the geography in ancient times is mainly explored about the figure of the earth, the related measurement method of size or right
Known area and country are described, while geography is various natural phenomenas and people in the geographical environment for study earth surface
Literary phenomenon and between them correlation subject, geography is a comprehensive basic subject.
However demonstration sphere will be used in teaching Geography, to facilitate the more intuitive connection of student geographical
This subject, existing market have many demonstration spheres that can rotate to it, but also demonstration sphere is in the evil by student
When meaning turns, load protection can not be carried out, is damaged so as to cause internal gear and motor, so provide a kind of use
Above-mentioned be previously mentioned is solved the problems, such as in geographical teaching demonstration instrument device.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of for geographical teaching demonstration instrument device, has negative
The advantages of carrying protection, solving existing market has many demonstration spheres that can rotate to it, but also demonstration sphere is meeting with
When turning to the malice of student, load protection can not be carried out, the problem of so as to cause internal gear and motor by damage.
(2) technical solution
For the purpose for realizing above-mentioned mechanical load protection, the utility model provides the following technical solutions: one kind is for geography
Demonstration instrument for teaching device, including hollow base are fixedly installed with drive motor, the drive on the right side of the hollow base inner bottom wall
It is fixedly installed with driving gear on the output shaft of dynamic motor, live wire is fixedly connected on the right side of the drive motor, it is described hollow
Bearing block is fixedly installed at the center of pedestal inner bottom wall, the inside of the bearing block is inlaid with driving bearing, the drive shaft
The inside held is fixedly installed with the drive shaft through bearing block, and the outer sheath of the drive shaft is equipped with to be meshed with gear is driven
Transmission gear, the bottom of the transmission gear and be located at drive shaft on the outside of be fixedly installed with protective ring, the protective ring
Inner wall is fixedly connected with the outer surface of drive shaft, the top of the bearing block and be located at drive shaft on the outside of be fixedly installed with
Determine ring, the top movable of the fixed ring is inlaid with the free ball being evenly distributed, opened up on the outside of the protective ring there are four
The mounting groove being evenly distributed interts in the groove bottom wall of the mounting groove and is provided with clamp, offered on the outside of the drive shaft with
The opposite card slot of four clamps, the one end of the clamp far from drive shaft and the inside for being located at mounting groove are fixedly installed with limit
Block, the limited block are fixedly installed with goring push spring far from the side of clamp, and the one end of the goring push spring far from limited block is solid
Surely it is connected with back cover, the back cover is fixedly connected with the opening of mounting groove, and U-shaped branch is fixedly installed at the top of the drive shaft
Frame is movably installed with demonstration sphere on the inside of the u-bracket.
Preferably, the clamp extends to the inside of card slot far from one end of limited block, and the clamp is far from limited block
One end convex in curved surface, the card slot concavity in curved surface.
Preferably, described back cover one end is located at the inside of mounting groove, and the other end of the back cover is located at the outside of protective ring.
Preferably, through-hole is offered at the axle center of the transmission gear, the diameter of the through-hole is greater than the diameter of drive shaft.
Preferably, extend upward through and extend to the top of hollow base at the top of the drive shaft, the drive shaft it is outer
Side and be located at hollow base inside be inlaid with rolling bearing.
Preferably, the bottom of the protective ring offers annular slot rolling corresponding with free ball, and the protective ring is logical
It crosses free ball and annular slot rolling and fixed ring is rolled and connected.
Preferably, the electric wire runs through far from one end of drive motor and extends to the outside of hollow base, the protection
Ring is located at the top of fixed ring, and the transmission gear is located at the top of protective ring.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of for geographical teaching demonstration instrument device, and having following has
Beneficial effect:
1, this is used for geographical teaching demonstration instrument device, and the rotation of driving gear is driven by drive motor, drives gear band
The rotation of transmission gear, transmission gear just will drive the rotation of drive shaft, thus drive U type bracket and demonstrate sphere turn
Dynamic, which can facilitate the universal geography position of student's more intuitive understanding every country.
2, this is used for geographical teaching demonstration instrument device, when drive shaft is reversed by the malice strength of student in operation,
When driving axle load exceeds the stress of the goring push spring inside protective ring, clamp just will receive the extruding force from drive shaft, so
Clamp is contracted in the inside of mounting groove afterwards, and clamp and card slot are in disengaged position, and drive shaft will be in the inside of protective ring
Middle sliding is spinned, thus prevent transmission gear and drive the rotation of gear, so that being damaged for gear and motor is avoided, thus
Achieve the purpose that load protection.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model hollow base；
Fig. 3 is the structure overhead sectional view of the utility model protective ring.
In figure: 1 hollow base, 2 drive motors, 3 driving gears, 4 electric wires, 5 bearing blocks, 6 driving bearings, 7 drive shafts, 8
Transmission gear, 9 protective rings, 10 fixed rings, 11 free balls, 12 mounting grooves, 13 clamps, 14 card slots, 15 limited blocks, 16 pushing tow bullets
Spring, 17 back covers, 18U type bracket, 19 demonstration spheres.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, one kind being used for geographical teaching demonstration instrument device, including hollow base 1,1 inner bottom wall of hollow base
Right side be fixedly installed with drive motor 2, the monopole asynchronous motor of 2 model S7R15GXCE of drive motor, drive motor 2
Output shaft on be fixedly installed with driving gear 3, the right side of drive motor 2 is fixedly connected with live wire 4, and electric wire 4 is far from driving horse
Run through and extend to the outside of hollow base 1 up to 2 one end, is fixedly installed with bearing block at the center of 1 inner bottom wall of hollow base
5, the inside of bearing block 5 is inlaid with driving bearing 6, and the inside of driving bearing 6 is fixedly installed with the drive shaft 7 through bearing block 5,
The top of drive shaft 7 extends upward through and extends to the top of hollow base 1, the outside of drive shaft 7 and is located at hollow base 1
Inside is inlaid with rolling bearing, and the outer sheath of drive shaft 7 is equipped with the transmission gear 8 being meshed with driving gear 3, transmission gear 8
Axle center at offer through-hole, through-hole effect guarantees that transmission gear 8 is not fixedly connected with drive shaft 7, and the diameter of through-hole, which is greater than, to be driven
The diameter of moving axis 7, the diameter of transmission gear 8 are greater than the diameter of driving gear 3, and driving gear 3 rotation two is enclosed, and 8 turns of transmission gear
A dynamic circle rotates slow, facilitates the viewing of student to guarantee to demonstrate sphere 19, and the bottom of transmission gear 8 and being located at is driven
The outside of moving axis 7 is fixedly installed with protective ring 9, and the inner wall of protective ring 9 is fixedly connected with the outer surface of drive shaft 7, bearing block 5
Top and be located at drive shaft 7 outside be fixedly installed with fixed ring 10, fixed ring 10 prevents function of the protective ring 9 to bottom offset
Can, protective ring 9 is located at the top of fixed ring 10, and transmission gear 8 is located at the top of protective ring 9, the top movable edge of fixed ring 10
Embedded with the free ball 11 being evenly distributed, free ball 11 reduces 9 rotation friction of protective ring, and the bottom of protective ring 9 offers
Annular slot rolling corresponding with free ball 11, protective ring 9 are rolled and are connected by free ball 11 and annular slot rolling and fixed ring 10
It connects, the outside of protective ring 9 is opened up there are four the mounting groove 12 that is evenly distributed, is interted in the groove bottom wall of mounting groove 12 and is provided with card
First 13, clamp 13 extends to the inside of card slot 14 far from one end of limited block 15, and the one end of clamp 13 far from limited block 15 is in song
Face convex, the outside of drive shaft 7 offer the card slot 14 opposite with four clamps 13, and the concavity in curved surface of card slot 14, clamp 13 is far
One end from the drive shaft 7 and inside for being located at mounting groove 12 is fixedly installed with limited block 15, limited block 15 is far from clamp 13
Side be fixedly installed with goring push spring 16, goring push spring 16 is fixedly connected with back cover 17, back cover far from one end of limited block 15
17 one end are located at the inside of mounting groove 12, and the other end of back cover 17 is located at the outside of protective ring 9, and back cover 17 is opened with mounting groove 12
It is fixedly connected at mouthful, the top of drive shaft 7 is fixedly installed with u-bracket 18, and the inside of u-bracket 18 is movably installed with demonstration ball
Body 19 drives the rotation of driving gear 3 by drive motor 2, drives rotation of the gear 3 with transmission gear 8, transmission gear 8
It just will drive the rotation of drive shaft 7, to drive u-bracket 18 and demonstrate the rotation of sphere 19, which can facilitate student
The universal geography position of more intuitive understanding every country, also, when drive shaft 7 is in operation by the malice strength of student
When torsion, when the load of drive shaft 7 exceeds the stress of the goring push spring 16 inside protective ring 9, clamp 13 just be will receive from driving
The extruding force of axis 7, then clamp 13 is contracted in the inside of mounting groove 12, and clamp 13 and card slot 14 are in disengaged position, drives
Moving axis 7 will be slided in the inside of protective ring 9 and be spinned, to prevent transmission gear 8 and drive the rotation of gear 3, to keep away
Exempt from being damaged for gear and motor, to achieve the purpose that load protection.
In conclusion this is used for geographical teaching demonstration instrument device, the rotation of driving gear 3 is driven by drive motor 2,
Drive gear 3 with the rotation of transmission gear 8, transmission gear 8 just will drive the rotation of drive shaft 7, to drive u-bracket
18 and demonstration sphere 19 rotation, which can facilitate the universal geography position of student's more intuitive understanding every country.
Also, this is used for geographical teaching demonstration instrument device, when drive shaft 7 is reversed by the malice strength of student in operation
When, when the load of drive shaft 7 exceeds the stress of the goring push spring 16 inside protective ring 9, clamp 13 just be will receive from drive shaft 7
Extruding force, then clamp 13 is contracted in the inside of mounting groove 12, and clamp 13 and card slot 14 are in disengaged position, drive shaft 7
It will slide and spin in the inside of protective ring 9, to prevent transmission gear 8 and drive the rotation of gear 3, to avoid gear
With being damaged for motor, to achieve the purpose that load protection.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. one kind is used for geographical teaching demonstration instrument device, including hollow base (1), it is characterised in that: in the hollow base (1)
It is fixedly installed on the right side of bottom wall drive motor (2), is fixedly installed with driving gear on the output shaft of the drive motor (2)
(3), it is fixedly connected live wire (4) on the right side of the drive motor (2), is fixed at the center of hollow base (1) inner bottom wall
It is equipped with bearing block (5), the inside of the bearing block (5) is inlaid with driving bearing (6), and the inside of driving bearing (6) is solid
Dingan County is equipped with the drive shaft (7) through bearing block (5), and the outer sheath of the drive shaft (7) is equipped with to be meshed with driving gear (3)
Transmission gear (8), the bottom of the transmission gear (8) and be located at drive shaft (7) on the outside of be fixedly installed with protective ring
(9), the inner wall of the protective ring (9) is fixedly connected with the outer surface of drive shaft (7), the top and position of the bearing block (5)
It is fixedly installed on the outside of drive shaft (7) fixed ring (10), the top movable of the fixed ring (10), which is inlaid with, to be evenly distributed
Free ball (11), open up that there are four the mounting groove (12) being evenly distributed, the mounting grooves on the outside of the protective ring (9)
(12) intert in groove bottom wall and be provided with clamp (13), offered on the outside of the drive shaft (7) opposite with four clamps (13)
Card slot (14), the clamp (13) far from drive shaft (7) one end and be located at mounting groove (12) inside be fixedly installed with
Limited block (15), the limited block (15) are fixedly installed with goring push spring (16) far from the side of clamp (13), the pushing tow bullet
Spring (16) is fixedly connected with back cover (17) far from the one end of limited block (15), the opening of the back cover (17) and mounting groove (12)
It is fixedly connected, is fixedly installed with u-bracket (18) at the top of the drive shaft (7), the inside activity peace of the u-bracket (18)
Equipped with demonstration sphere (19).
2. according to claim 1 a kind of for geographical teaching demonstration instrument device, it is characterised in that: the clamp (13) is remote
One end from limited block (15) extends to the inside of card slot (14), and the one end of the clamp (13) far from limited block (15) is in curved surface
Convex, the card slot (14) concavity in curved surface.
3. according to claim 1 a kind of for geographical teaching demonstration instrument device, it is characterised in that: the back cover (17) one
End is located at the inside of mounting groove (12), and the other end of the back cover (17) is located at the outside of protective ring (9).
4. according to claim 1 a kind of for geographical teaching demonstration instrument device, it is characterised in that: the transmission gear
(8) through-hole is offered at axle center, the diameter of the through-hole is greater than the diameter of drive shaft (7).
5. according to claim 1 a kind of for geographical teaching demonstration instrument device, it is characterised in that: the drive shaft (7)
Top extend upward through and extend to the top of hollow base (1), the outside of the drive shaft (7) and be located at hollow base
(1) inside is inlaid with rolling bearing.
6. according to claim 1 a kind of for geographical teaching demonstration instrument device, it is characterised in that: the protective ring (9)
Bottom offer annular slot rolling corresponding with free ball (11), the protective ring (9) passes through free ball (11) and ring
Shape slot rolling and fixed ring (10), which roll, to be connected.
7. according to claim 1 a kind of for geographical teaching demonstration instrument device, it is characterised in that: the electric wire (4) is remote
The outside of hollow base (1) is run through and extended in one end from drive motor (2), and the protective ring (9) is located at fixed ring (10)
Top, the transmission gear (8) is located at the top of protective ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820660652.1U CN208985537U (en) | 2018-05-04 | 2018-05-04 | One kind being used for geographical teaching demonstration instrument device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820660652.1U CN208985537U (en) | 2018-05-04 | 2018-05-04 | One kind being used for geographical teaching demonstration instrument device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208985537U true CN208985537U (en) | 2019-06-14 |
Family
ID=66778436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820660652.1U Expired - Fee Related CN208985537U (en) | 2018-05-04 | 2018-05-04 | One kind being used for geographical teaching demonstration instrument device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208985537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768655A (en) * | 2020-06-10 | 2020-10-13 | 姜富 | Divinatory symbols of book of changes appearance and its preparation method |
-
2018
- 2018-05-04 CN CN201820660652.1U patent/CN208985537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768655A (en) * | 2020-06-10 | 2020-10-13 | 姜富 | Divinatory symbols of book of changes appearance and its preparation method |
| CN111768655B (en) * | 2020-06-10 | 2022-04-22 | 姜富 | Divinatory symbols of book of changes appearance and its preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208985537U (en) | One kind being used for geographical teaching demonstration instrument device | |
| CN209249025U (en) | A kind of promotional display device | |
| CN203038559U (en) | An operation demonstrating instrument of the sun, the earth, and the moon | |
| CN213550858U (en) | Holographic show cupboard of product propaganda usefulness | |
| CN211699229U (en) | A word machine for english teaching | |
| CN105374274B (en) | Day ground the moon running instrument | |
| CN205318641U (en) | Evil spirit dish is directly pieced together to english | |
| CN209331605U (en) | The adjustable displaying device of Art Design teaching | |
| CN206021768U (en) | A kind of Physics Course auxiliary study device | |
| CN205899881U (en) | Demonstration teaching aid for surfaces of revolution in higher mathematics | |
| CN202838809U (en) | Earth rotation and revolution demonstrating device for geographical teaching | |
| CN215417134U (en) | Interesting teaching presentation device of junior middle school politics | |
| CN207663676U (en) | A kind of education having multidirectional regulating function promotional display column | |
| CN104157207B (en) | Solar system the eight major planets of the solar system demonstrator | |
| CN215382897U (en) | Display device for art design that protection nature is good | |
| CN204029258U (en) | A kind of planets of the solar system rotation phenomenon shows instrument | |
| CN212781944U (en) | Keyboard is used in computer teaching of profession | |
| CN205028478U (en) | English word teaching utensil | |
| CN205190688U (en) | Soil box test bench and gearbox for sideslip thereof | |
| CN109035877A (en) | A kind of English word entertaining spelling device | |
| CN206657570U (en) | A kind of geographical teaching Novel globe | |
| CN207517260U (en) | A kind of geographical teaching teaching aid | |
| CN208821873U (en) | A kind of multifunction combined dais of ideological and political education professional teaching | |
| CN211632259U (en) | History english teaching taste dictation device | |
| CN203631033U (en) | Hand-cranking generator teaching aid |
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: 20190614 Termination date: 20200504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |