CN208284129U - A kind of Moire fringe principle displaying device - Google Patents
A kind of Moire fringe principle displaying device Download PDFInfo
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- CN208284129U CN208284129U CN201820080505.7U CN201820080505U CN208284129U CN 208284129 U CN208284129 U CN 208284129U CN 201820080505 U CN201820080505 U CN 201820080505U CN 208284129 U CN208284129 U CN 208284129U
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Abstract
The utility model provides a kind of Moire fringe principle displaying device, belong to physics teaching teaching aid field, including hand rotating device, connecting-rod connecting device, pendulous device, cycloidal-pin gear speed reducer, second axis, linear guide, fixing seat and pattern plate, hand rotating device is fixed on the top of bottom plate, connecting-rod connecting device is located at the rear of hand rotating device, the left side of connecting-rod connecting device is arranged in pendulous device, the utility model rotates handwheel by spectators and drives link mechanism, swing-bar mechanism moves together, the edge gear of swing-bar mechanism is meshed with pattern plate edge gear, pattern plate is driven to generate rotation, it is interacted by various mechanism, show dynamic striped animation, spectators are allowed to understand process and visual effect that Moire fringe generates.
Description
Technical field
The utility model relates to a kind of physics teaching teaching aid field, specifically a kind of Moire fringe principle shows device.
Background technique
Moire fringe is the visual results interfered between two lines or two objects with constant angle and frequency, when
When human eye can not differentiate this two lines or two objects, the decorative pattern of interference can only see, the decorative pattern in this optical phenomena is exactly
Moire fringe.
After the transmission striped of two pieces of parameter similars is superimposed with low-angle, the stripe grating of new amplification can be generated, is utilized
The striped of transmission can be carved on the object of various movements by this phenomenon, can be judged by detecting the stripe order recognition of grating
The displacement of object realizes the precise measurement to object.Such as grating scale, grating encoder etc. is exactly to be made using this principle
's.They are widely used in apparatus measures, machining equipment.
Simple verbal description can not allow teenager is more vivid objectively to understand this principles of science, it would be desirable to a
Apparatus for demonstrating solves this technical problem.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of structure is simple
Moire fringe principle shows device.
In order to solve the above technical problems, the utility model provides following technical solution:
A kind of Moire fringe principle displaying device, including hand rotating device, connecting-rod connecting device, pendulous device, cycloid
Pinwheel reducer, the second axis, linear guide, fixing seat and pattern plate；The hand rotating device is fixed on the top of bottom plate；Institute
State the rear that connecting-rod connecting device is located at hand rotating device；The left side of connecting-rod connecting device is arranged in the pendulous device；Institute
Stating hand rotating device includes first bearing, first axle, taper knob, handle and backing plate；The upper end of the taper knob is fixedly connected
There is handle, rotational handle is to drive the rotation of taper knob；The lower section of the taper knob is equipped with backing plate；The first axle passes through the
One bearing is connect with bottom plate；The bottom of the first axle is fixed with second belt wheel；Second belt wheel by V-belt with
First pulley connection on the left of it；The top of first pulley is arranged in the cycloidal-pin gear speed reducer；Second axle position is in hand
The left side of rotating device is shaken, and the two is linked together by synchronous belt；Tensioning wheel is installed at the top of second axis, and
The two is connected by second bearing；The left side of second axis is equipped with synchronous pulley；The synchronous pulley passes through third
It is fixedly connected at the top of bearing and third axis；The outside of the 3rd bearing is equipped with bearing holder (housing, cover)；The linear guide passes through bushing
It is fixed on the top of bottom plate, and is located at the left side of third axis；The fixing seat is mounted on the top of linear guide；The fixing seat
Top be equipped with fourth bearing；The top of the fixing seat is connect by fourth bearing with connecting rod one；The connecting-rod connecting device
Including connecting rod one and connecting rod two；The left end of the connecting rod one is connect by movable axis with the right end of connecting rod two；The connecting rod two
Left end is connect by 5th bearing with the right side of first gear axis；The pendulous device includes first gear axis and second gear
Axis；The underface of second gear axis is arranged in the pattern plate fixing seat, and is mounted on the upper surface of bottom plate；The pattern plate is solid
It is scheduled on the upper surface of pattern plate fixing seat.
As the further improvement project of the utility model: being inlayed at the top of the middle part of the taper knob bottom and first axle
Connection.
As the utility model further improvement project: the second gear axle position in the left side of first gear axis,
The two is meshed together by gear.
Compared with prior art, the utility model has the beneficial effects that
The utility model spectators rotate handwheel and link mechanism, swing-bar mechanism are driven to move together, the edge teeth of swing-bar mechanism
Wheel is meshed with pattern plate edge gear, and pattern plate is driven to generate rotation, and pattern plate is transparent channel(l)ed plate, is equipped with below
Between the channel(l)ed plate of two pieces of overlappings angular displacement occurs for the pattern of striped when spectators rotate handwheel, so that interference fringe is generated,
It is interacted by various mechanism, shows dynamic striped animation, spectators is allowed to understand process and visual effect that Moire fringe generates.
Detailed description of the invention
Fig. 1 is the half section structure diagram that a kind of Moire fringe principle shows device；
Fig. 2 is that a kind of Moire fringe principle shows apparatus structure schematic diagram；
Fig. 3 is the schematic top plan view that a kind of Moire fringe principle shows device；
In figure: the hand rotating device of 1-, 2- pendulous device, 3- bottom plate, 4- first bearing, 5- first axle, the connection of 6- connecting rod
Device, 7- taper knob, 8- handle, the second axis of 9-, 10- second bearing, 11- tensioning wheel, 12- synchronous belt, 13- synchronous pulley,
14- 3rd bearing, 15- third axis, 16- bushing, 17- linear guide, 18- fixing seat, 19- fourth bearing, 20- connecting rod one,
21- connecting rod two, 22- 5th bearing, 23- first gear axis, 24- pattern plate fixing seat, 25- pattern plate, 26- second gear axis,
27- cycloidal-pin gear speed reducer, the V-belt 28-, 29- first pulley, the second belt wheel of 30-, 31- bearing holder (housing, cover), 32- backing plate.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, a kind of Moire fringe principle displaying device, including hand traverse are present embodiments provided
Dynamic device 1, connecting-rod connecting device 6 and pendulous device 2；The hand rotating device 1 is fixed on the top of bottom plate 3, for rotating
Device；The connecting-rod connecting device 6 is located at the rear of hand rotating device 1, for driving the rotation of pendulous device 2；The pendulum
The left side of connecting-rod connecting device 6 is arranged in dynamic device 2；The hand rotating device 1 includes first bearing 4, first axle 5, handle
Set 7, handle 8 and backing plate 32；The upper end of the taper knob 7 is fixedly connected with handle 8, and rotational handle 8 is to drive taper knob 7
Rotation；The middle part of 7 bottom of taper knob is inlayed with the top of first axle 5 to be connect, for driving the rotation of first axle 5；It is described
The lower section of taper knob 7 is equipped with backing plate 32；The first axle 5 is connect by first bearing 4 with bottom plate 3, for fixing first axle 5,
It is convenient for the rotation of first axle 5 simultaneously；The bottom of the first axle 5 is fixed with second belt wheel 30, drives the second belt wheel 30
Rotation；Second belt wheel 30 is connect by V-belt 28 with the first pulley 29 on the left of it, for driving first pulley 29
Rotation；The top of first pulley 29 is arranged in the cycloidal-pin gear speed reducer 27, for changing the velocity of rotation of device；Described
Two axis 9 are located at the left side of hand rotating device 1, and the two is linked together by synchronous belt 12；The top of second axis 9
Tensioning wheel 11 is installed, and is connected the two by second bearing 10, fixed tensioning wheel 11, while convenient for tensioning wheel 11
Rotation；The left side of second axis 9 is equipped with synchronous pulley 13；The synchronous pulley 13 passes through 3rd bearing 14 and third axis 15
Top is fixedly connected, and for fixing synchronous pulley 13, and is convenient for the rotation of synchronous pulley 13；The outside of the 3rd bearing 14 is set
There is bearing holder (housing, cover) 31；The linear guide 17 is fixed on the top of bottom plate 3 by bushing 16, and is located at the left side of third axis 15, uses
In the moving line of fixed fixing seat 18；The fixing seat 18 is mounted on the top of linear guide 17；The fixing seat 18 it is upper
Side is equipped with fourth bearing 19；The top of the fixing seat 18 is connect by fourth bearing 19 with connecting rod 1；The connecting rod connection
Device 6 includes connecting rod 1 and connecting rod 2 21；The left end of the connecting rod 1 is connect by movable axis with the right end of connecting rod 2 21；
The left end of the connecting rod 2 21 is connect by 5th bearing 22 with the right side of first gear axis 23；The pendulous device 2 includes the
One gear shaft 23 and second gear axis 26；The underface of second gear axis 26 is arranged in the pattern plate fixing seat 24, and installs
In the upper surface of bottom plate 3, it to be used for fixed pattern plate 25；The pattern plate 25 is fixed on the upper surface of pattern plate fixing seat 24, uses
In observation image；The second gear axis 26 is located at the left side of first gear axis 23, and the two is meshed together by gear.
In use, rotating hand rotating device 1, the rotation of belt wheel transmission rotation below is driven, to transfer connecting rod company
The rotation of connection device 6 drives the rotation of first gear axis 23 in pendulous device 2, benefit using the connection type of connecting-rod connecting device 6
With the rotation for engaging drive second gear axis 26 of first gear axis 23 and second gear axis 26.
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 (3)
1. a kind of Moire fringe principle shows device, including hand rotating device, connecting-rod connecting device, pendulous device, cycloidal pin
Wheel decelerator, the second axis, linear guide, fixing seat and pattern plate；The hand rotating device is fixed on the top of bottom plate, connecting rod
Attachment device is located at the rear of hand rotating device, and the left side of connecting-rod connecting device is arranged in pendulous device；It is characterized in that: described
Hand rotating device includes first bearing, first axle, taper knob, handle and backing plate；The upper end of the taper knob is fixedly connected with
Handle, rotational handle is to drive the rotation of taper knob；The lower section of the taper knob is equipped with backing plate；The first axle passes through first
Bearing is connect with bottom plate；The bottom of the first axle is fixed with second belt wheel；Second belt wheel passes through V-belt and its
The first pulley in left side connects；The top of first pulley is arranged in the cycloidal-pin gear speed reducer；Second axle position is in hand
The left side of rotating device, and the two is linked together by synchronous belt；Tensioning wheel is installed at the top of second axis, and is led to
Second bearing is crossed to connect the two；The left side of second axis is equipped with synchronous pulley；The synchronous pulley passes through third axis
It holds and is fixedly connected at the top of third axis；The outside of the 3rd bearing is equipped with bearing holder (housing, cover)；The linear guide is solid by bushing
It is scheduled on the top of bottom plate, and is located at the left side of third axis；The fixing seat is mounted on the top of linear guide；The fixing seat
Top is equipped with fourth bearing；The top of the fixing seat is connect by fourth bearing with connecting rod one；The connecting-rod connecting device packet
Include connecting rod one and connecting rod two；The left end of the connecting rod one is connect by movable axis with the right end of connecting rod two；A left side for the connecting rod two
End is connect by 5th bearing with the right side of first gear axis；The pendulous device includes first gear axis and second gear axis；
The underface of second gear axis is arranged in the pattern plate fixing seat, and is mounted on the upper surface of bottom plate；The pattern plate is fixed
In the upper surface of pattern plate fixing seat.
2. a kind of Moire fringe principle according to claim 1 shows device, it is characterized in that: in the taper knob bottom
Connection is inlayed at the top of portion and first axle.
3. a kind of Moire fringe principle according to claim 1 shows device, it is characterized in that: the second gear axle position in
The left side of first gear axis, the two are meshed together by gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820080505.7U CN208284129U (en) | 2018-01-18 | 2018-01-18 | A kind of Moire fringe principle displaying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820080505.7U CN208284129U (en) | 2018-01-18 | 2018-01-18 | A kind of Moire fringe principle displaying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284129U true CN208284129U (en) | 2018-12-25 |
Family
ID=64748518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820080505.7U Active CN208284129U (en) | 2018-01-18 | 2018-01-18 | A kind of Moire fringe principle displaying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284129U (en) |
-
2018
- 2018-01-18 CN CN201820080505.7U patent/CN208284129U/en active Active
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