CN208580293U - A kind of displaying device for physical mechanics teaching - Google Patents
A kind of displaying device for physical mechanics teaching Download PDFInfo
- Publication number
- CN208580293U CN208580293U CN201821138297.8U CN201821138297U CN208580293U CN 208580293 U CN208580293 U CN 208580293U CN 201821138297 U CN201821138297 U CN 201821138297U CN 208580293 U CN208580293 U CN 208580293U
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- China
- Prior art keywords
- block
- sliding
- shaft
- welded
- connecting plate
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- 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
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Abstract
The utility model discloses a kind of displaying devices for physical mechanics teaching, the side gluing of the telescopic rod has fixed block, the side of fixed block is welded with set casing, the inner wall of the side of set casing is connected with motor, motor is connected with first rotating shaft, first rotating shaft is welded with apical axis, apical axis is connected with curtain, the bottom end of curtain is connected with lower shaft, the bottom end gluing of telescopic rod has connecting plate, the side riveting of connecting plate has the first link block, the side of first link block is connected with first clamping plate, sliding slot is offered at the top of support plate, sliding slot is connected with sliding block, sliding bar is connected at the top of sliding block, the second link block is connected at the top of sliding bar, second link block is connected with second clamping plate, motor drives first rotating shaft rotation, put down apical axis rotation by curtain, sliding bar is pulled to slide sliding block in sliding slot, make using the elastic force of spring One clamping plate and second clamping plate clamp lower shaft, fix curtain, and curtain is avoided to shake, and teacher is facilitated to explain physical mechanics.
Description
Technical field
The utility model relates to teaching aid technical field more particularly to a kind of displaying dresses for physical mechanics teaching
It sets.
Background technique
Physical mechanics are a Ge Xin branches of mechanics, it is from the microstructure of substance and its characteristics of motion, with close
For the achievement of the subjects such as physics, physical chemistry and quantum chemistry, is calculated by analysis and research and numerical value, illustrate medium and material
Macroscopic property, and macroscopic appearance to medium and material and its characteristics of motion make microscopic explanation, teacher to physical mechanics into
Row teaching needs to use projection screen, but curtain is easy to shake, and keeps the content of courses unintelligible, and student can not see curtain content clearly,
Influence quality of instruction.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is used for physical force
Learn the displaying device of teaching.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of displaying device for physical mechanics teaching, including telescopic rod, the side gluing of the telescopic rod have fixation
Block, the side of fixed block are welded with set casing, and the inner wall of the side of set casing is connected with motor, and motor is connected with first rotating shaft,
First rotating shaft is welded with apical axis, and apical axis is welded with the second shaft far from one end of first rotating shaft, and the second shaft is connected with bearing, top
Axis connection has curtain, and the bottom end of curtain is connected with lower shaft, and the bottom end gluing of the telescopic rod has connecting plate, the side riveting of connecting plate
It is connected to the first link block, the first link block is connected with first clamping plate far from the side of connecting plate, and the bottom of connecting plate is welded with branch
Fagging, the bottom of support plate are welded with support rod, and support rod is connected with pulley, and sliding slot is offered at the top of support plate, sliding slot
Inner wall slidably connects sliding block, and sliding block offers threaded hole, and threaded hole is threaded with threaded rod, and is connected at the top of sliding block
Sliding bar is connected with the second link block at the top of sliding bar, and the second link block is connected with second clamping plate.
Preferably, the bearing is mounted on the inner wall of the side of set casing, and the second shaft is inserted in the middle part of bearing, the
Two shafts and first rotating shaft are equal in magnitude, and the two is symmetrically distributed in the both ends of apical axis.
Preferably, the first rotating shaft is connected with the output end of motor by shaft coupling, and motor is installed by screw and fixed
On the inner wall of the side of set casing.
Preferably, side of first link block far from connecting plate is arc, and connecting plate is welded with first clamping plate, the
One link block and the second connecting block structure are identical, equal in magnitude.
Preferably, the side gluing of the sliding bar has spring, and spring is glued on connecting plate far from one end of sliding bar.
The beneficial effects of the utility model are:
Motor drives first rotating shaft rotation, puts down apical axis rotation by curtain, and sliding bar is pulled to keep sliding block sliding in sliding slot
It is dynamic, first clamping plate and second clamping plate are clamped by lower shaft using the elastic force of spring, fix curtain, curtain is avoided to shake, it is convenient
Teacher explains physical mechanics, so that the student in classroom is all seen clearly the content on curtain, the height of simultaneous retractable bar is adjustable
Section, for the distance for cooperating curtain to move down.
Detailed description of the invention
Fig. 1 be the utility model proposes it is a kind of for physical mechanics teaching displaying device structural side view；
Fig. 2 be the utility model proposes it is a kind of for physical mechanics teaching displaying device structural front view.
In figure: 1 telescopic rod, 2 fixed blocks, 3 set casings, 4 motors, 51 first rotating shafts, 52 second shafts, 6 apical axis, 7 bearings,
8 lower shafts, 9 connecting plates, 10 first clamping plates, 11 support plates, 12 sliding bars, 13 second clamping plates, 14 support rods, 15 springs, 16 screw threads
Bar.
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.
Referring to Fig.1-2, a kind of displaying device for physical mechanics teaching, including telescopic rod 1, which is characterized in that flexible
The side gluing of bar 1 has fixed block 2, and the side of fixed block 2 is welded with set casing 3, passes through spiral shell on the inner wall of the side of set casing 3
Silk is mounted with motor 4, and the output end of motor 4 is connected with first rotating shaft 51 by shaft coupling, and first rotating shaft 51 is welded with top
Axis 6, apical axis 6 are welded with the second shaft 52 far from one end of first rotating shaft 51, and the second shaft 52 and first rotating shaft 51 are equal in magnitude,
And the two is symmetrically distributed in the both ends of apical axis 6, the second shaft 52 is connected with bearing 7, and bearing 7 is mounted on the side of set casing 3
On inner wall, apical axis 6 is connected with curtain, and the bottom end of curtain is connected with lower shaft 8, and the bottom end gluing of telescopic rod 1 has connecting plate 9, connection
The side riveting of plate 9 has the first link block, and side of first link block far from connecting plate 9 is arc, and the first link block is glued
There is first clamping plate 10, the bottom of connecting plate 9 is welded with support plate 11, and the bottom of support plate 11 is welded with support rod 14, support rod
14 are connected with pulley, and the top of support plate 11 offers sliding slot, and sliding slot inner wall slidably connects sliding block, and sliding block offers screw thread
Hole, threaded hole are threaded with threaded rod 16, and sliding bar 12 is connected at the top of sliding block, and the side gluing of sliding bar 12 has bullet
Spring 15, spring 15 are glued on connecting plate 9 far from one end of sliding bar 12, and the top of sliding bar 12 is connected with the second connection
Block, the first link block and the second connecting block structure are identical, equal in magnitude, and the second link block is connected with second clamping plate 13.
In the present embodiment, motor 4 is powered, makes motor 4 drive apical axis 6 to rotate by first rotating shaft 51, and the second shaft
52 rotate in bearing 7, and bearing 7 is used to support one end of apical axis 6, and the rotation of apical axis 6 makes curtain hang down, moves down lower shaft 8, pulls
Sliding bar 12, slides sliding block in sliding slot, and spring 15 is stretched, so that lower shaft 8 be made to be located at first clamping plate 10 and second clamping plate
Between 13, mobile sliding bar 12 clamps first clamping plate 10 and second clamping plate 13 using the elastic force of spring 15, while turn screw thread
Bar 16 makes the bottom end of threaded rod 16 resist sliding slot, fixes sliding block, so that the position of fixed second clamping plate 13, lower shaft 8 is pressed from both sides
Tightly, it avoids curtain from shaking, facilitates projector on curtain, physical mechanics are explained convenient for teacher, classroom can be made
Student sees clearly the content on curtain, while can make first clamping plate according to the length for putting down curtain, adjustable and retractable bar 1
10 and the position of second clamping plate 13 change, cooperate lower shaft 8, support rod 14 is used to support the weight of whole device, pulley side
Just whole device is moved.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of displaying device for physical mechanics teaching, including telescopic rod (1), which is characterized in that the telescopic rod (1)
Side gluing has fixed block (2), and the side of fixed block (2) is welded with set casing (3), the inner wall connection of the side of set casing (3)
Have motor (4), motor (4) is connected with first rotating shaft (51), and first rotating shaft (51) is welded with apical axis (6), and apical axis (6) is far from first
One end of shaft (51) is welded with the second shaft (52), and the second shaft (52) is connected with bearing (7), and apical axis (6) is connected with curtain,
The bottom end of curtain is connected with lower shaft (8), and the bottom end gluing of the telescopic rod (1) has connecting plate (9), the side riveting of connecting plate (9)
It is connected to the first link block, the first link block is connected with first clamping plate (10) far from the side of connecting plate (9), the bottom of connecting plate (9)
Portion is welded with support plate (11), and the bottom of support plate (11) is welded with support rod (14), and support rod (14) is connected with pulley, and props up
Sliding slot is offered at the top of fagging (11), sliding slot inner wall slidably connects sliding block, and sliding block offers threaded hole, and threaded hole screw thread connects
Threaded rod (16) are connected to, and are connected with sliding bar (12) at the top of sliding block, sliding bar is connected with the second link block at the top of (12),
Second link block is connected with second clamping plate (13).
2. a kind of displaying device for physical mechanics teaching according to claim 1, which is characterized in that the bearing
(7) it is mounted on the inner wall of the side of set casing (3), is inserted in the middle part of bearing (7) the second shaft (52), the second shaft (52)
It is equal in magnitude with first rotating shaft (51), and the two is symmetrically distributed in the both ends of apical axis (6).
3. a kind of displaying device for physical mechanics teaching according to claim 2, which is characterized in that described first turn
Axis (51) is connected with the output end of motor (4) by shaft coupling, and motor (4) is fixed on the one of set casing (3) by screw
On the inner wall of side.
4. a kind of displaying device for physical mechanics teaching according to claim 1, which is characterized in that described first connects
Connecing side of the block far from connecting plate (9) is arc, and connecting plate (9) is welded with first clamping plate (10), the first link block and second
Connecting block structure is identical, equal in magnitude.
5. a kind of displaying device for physical mechanics teaching according to claim 1, which is characterized in that the sliding bar
(12) side gluing has spring (15), and spring (15) is glued on connecting plate (9) far from the one end of sliding bar (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138297.8U CN208580293U (en) | 2018-07-18 | 2018-07-18 | A kind of displaying device for physical mechanics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138297.8U CN208580293U (en) | 2018-07-18 | 2018-07-18 | A kind of displaying device for physical mechanics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580293U true CN208580293U (en) | 2019-03-05 |
Family
ID=65510694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821138297.8U Expired - Fee Related CN208580293U (en) | 2018-07-18 | 2018-07-18 | A kind of displaying device for physical mechanics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208580293U (en) |
-
2018
- 2018-07-18 CN CN201821138297.8U patent/CN208580293U/en not_active Expired - Fee Related
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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: 20190305 Termination date: 20210718 |