CN209216380U - A kind of physics student experimental teaching connecting rod apparatus for demonstrating - Google Patents
A kind of physics student experimental teaching connecting rod apparatus for demonstrating Download PDFInfo
- Publication number
- CN209216380U CN209216380U CN201820721205.2U CN201820721205U CN209216380U CN 209216380 U CN209216380 U CN 209216380U CN 201820721205 U CN201820721205 U CN 201820721205U CN 209216380 U CN209216380 U CN 209216380U
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- CN
- China
- Prior art keywords
- telescopic rod
- slot
- holding box
- ruler
- connecting rod
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Abstract
The utility model discloses a kind of physics student experimental teaching connecting rod apparatus for demonstrating, including bottom plate, the upper surface horizontal Tile of the bottom plate is equipped with transparent holding box, through slot and ruler, and through slot is between transparent holding box and ruler, the inner cavity of the transparent holding box is disposed vertically angled ruler, limiting device is connected at left and right sides of the inner cavity of the through slot, transparent holding box is connected at the top of plate upper surface, and transparent holding box inner cavity is disposed vertically angled ruler, utilize transparent containing tank and bottom plate cooperating, increase three-dimensional sense, it can be convenient the swing angle of confirmation the first telescopic rod and the second telescopic rod by bevel protractor, first telescopic rod, the surface of second telescopic rod and third telescopic rod is equipped with graduation mark, it can be convenient and observe its length, reduce the trouble using tool measurement length, the device is easy to use, it is vertical Body-sensing is stronger, convenient for reinforcing student to mastery of knowledge.
Description
Technical field
The utility model relates to teaching demonstration device technical field, specially a kind of physics student experimental teaching is drilled with connecting rod
Showing device.
Background technique
In the teaching of " theory of mechanics " and " Fundamentals of Machine Design " course, the existing teaching system in China keeps student basic
Function is sturdy, but lacks view on practice, and when carrying out Inquiry Learning, student thought under-activity, enthusiasm is not high,
Teaching aid demonstration, which is suitably used, in classroom teaching can be improved the understandability and manipulative ability of student, reduces teaching load, swashs
Student is sent out to mechanical interest, such as Chinese Patent Application No. is that a kind of 201420413328.1 planar linkage mechanisms proposed are drilled
Display teaching aid, particular content are that structure includes the first plate body；First connecting rod, one end and first plate body are pivotally connected；Second connects
Bar；Third connecting rod, one end and first plate body are pivotally connected；Although student can be allowed to see the structure of the inside, mechanism original is known
Reason, but it is complicated for operation, and using trouble, three-dimensional sense is poor, is based on this, and the utility model devises a kind of physics student experiment religion
It learns and uses connecting rod apparatus for demonstrating, to solve the above problems.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of physics student experimental teaching connecting rod apparatus for demonstrating
The existing apparatus for demonstrating proposed in background technique is complicated for operation, using trouble, the poor problem of three-dimensional sense.
To achieve the above object, the utility model provides the following technical solutions: a kind of physics student experimental teaching connecting rod
Apparatus for demonstrating, including bottom plate, the upper surface horizontal Tile of the bottom plate are equipped with transparent holding box, through slot and ruler, and through slot position
Between transparent holding box and ruler, the inner cavity of the transparent holding box is disposed vertically angled ruler, and the inner cavity of the through slot is left
Right two sides are connected with limiting device, and the limiting device includes support frame, and the left and right sides of the support frame passes through
Through-hole be plugged with it is top, it is top described in two groups between be equipped with rotary table, positioning bolt is welded at the top of the rotary table, and position spiral shell
Bolt is connected by the top of tapped through hole and support frame, and top outer wall described in two groups passes through block and is socketed with spring, and two
The outer wall of the group limiting device is socketed with swivel becket, and the top of swivel becket described in two groups passes through connector respectively and is hinged with the
One telescopic rod and the second telescopic rod are hinged with third telescopic rod between first telescopic rod and the second telescopic rod.
Preferably, the equal length of the length of the ruler and through slot.
Preferably, the bottom plate is connected with transparent holding box by groove.
Preferably, the other end top described in two groups passes through friction plate and the inner wall of through slot connects.
Preferably, the surface of first telescopic rod, the second telescopic rod and third telescopic rod is equipped with graduation mark.
Compared with prior art, the utility model has the beneficial effects that the utility model passes through using on limiting device
Positioning bolt can arbitrarily fix and mobile support frame, changes the distance between two groups of swivel beckets, and then it is flexible to change first
The distance between bar and the second telescopic rod bottom, by changing the length of the first telescopic rod, the second telescopic rod and third telescopic rod,
Crank and rocker mechanism, double-crank mechanism and double rocker mechanism can be formed, it is easy to operate, while planes where three groups of contraction poles with
Bottom plate is vertical, and solid is put, and student is facilitated to understand, and transparent holding box, and transparent holding box are connected at the top of plate upper surface
Inner cavity is disposed vertically angled ruler, using transparent containing tank and bottom plate cooperating, increases three-dimensional sense, can be with by bevel protractor
Facilitate the swing angle of confirmation the first telescopic rod and the second telescopic rod, the first telescopic rod, the second telescopic rod and third telescopic rod
Surface is equipped with graduation mark, can be convenient and observes its length, reduces the trouble using tool measurement length, device user
Just, three-dimensional sense is stronger, convenient for reinforcing student to mastery of knowledge.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is limit device structure schematic diagram in Fig. 1.
In attached drawing, parts list represented by the reference numerals are as follows:
1- bottom plate, 2- ruler, 3- through slot, 4- limiting device, 5- swivel becket, the first telescopic rod of 6-, the second telescopic rod of 7-, 8-
Third telescopic rod, the transparent holding box of 9-, 10- bevel protractor, 40- support frame, 41- is top, 42- rotary table, 43- positioning bolt, 44-
Spring.
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 creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of physics student experimental teaching is demonstrated with connecting rod
The upper surface horizontal Tile of device, including bottom plate 1, bottom plate 1 is equipped with transparent holding box 9, through slot 3 and ruler 2, and through slot 3 is located at
Between transparent holding box 9 and ruler 2, the inner cavity of transparent holding box 9 is disposed vertically angled ruler 10, inner cavity of through slot 3 or so two
Side is connected with limiting device 4, and limiting device 4 includes support frame 40, and the left and right sides of support frame 40 is inserted by through-hole
Top 41 are connected to, is equipped with rotary table 42 between two groups top 41, the top of rotary table 42 is welded with positioning bolt 43, and positioning bolt 43
It being connect by tapped through hole with the top of support frame 40, two groups top 41 of outer wall passes through block and is socketed with spring 44, and two
The outer wall of group limiting device 4 is socketed with swivel becket 5, and the top of two groups of swivel beckets 5, which passes through connector respectively and is hinged with first, stretches
Contracting bar 6 and the second telescopic rod 7, are hinged with third telescopic rod 8 between the first telescopic rod 6 and the second telescopic rod 7.
Wherein, the equal length of the length of ruler 2 and through slot 3, it is very clear to the distance between two groups of limiting devices 4,
Bottom plate 1 is connected with transparent holding box 9 by groove, and easy disassembly, convenient for storage, two groups top 41 of the other end passes through friction
Piece is connect with the inner wall of through slot 3, is rubbed using friction plate increase, is avoided top 41 sliding, is influenced demonstration operation, the first telescopic rod
6, the surface of the second telescopic rod 7 and third telescopic rod 8 is equipped with graduation mark, can be convenient and observes its length, reduces the tool of utilizing
Measure the trouble of length.
One concrete application of the present embodiment are as follows: the depth of rotary table 42 can be increased by precession positioning bolt 43,
To make two groups top 41 to counter-movement, top 41 other end passes through friction plate and connect with the inner wall of through slot 3, utilizes friction
Piece increase friction avoids top 41 sliding, can determine the distance between two groups of limiting devices 4 by ruler 2, pass through swivel becket
5 can make the first telescopic rod 6 and the second telescopic rod 7 vertically with the plane of bottom plate 1 in around 4 rotary motion of limiting device, pass through
Changing the distance between the first telescopic rod 6, the length of the second telescopic rod 7 and third telescopic rod 8 and two groups of limiting devices 4 can group
Synthesize crank and rocker mechanism, double-crank mechanism and double rocker mechanism.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of physics student experimental teaching connecting rod apparatus for demonstrating, including bottom plate (1), it is characterised in that: the bottom plate (1)
Upper surface horizontal Tile is equipped with transparent holding box (9), through slot (3) and ruler (2), and through slot (3) be located at transparent holding box (9) and
Between ruler (2), the inner cavity of the transparent holding box (9) is disposed vertically angled ruler (10), the inner cavity or so of the through slot (3)
Two sides are connected with limiting device (4), and the limiting device (4) includes support frame (40), a left side for the support frame (40)
Right two sides pass through through-hole and are plugged with top (41), are equipped with rotary table (42) between (41) top described in two groups, the rotary table (42)
Top be welded with positioning bolt (43), and positioning bolt (43) is connect by tapped through hole with the top of support frame (40),
The outer wall of top (41) described in two groups passes through block and is socketed with spring (44), and the outer wall of limiting device described in two groups (4) covers
It is connected to swivel becket (5), the top of swivel becket described in two groups (5) passes through connector respectively and is hinged with the first telescopic rod (6) and second
Telescopic rod (7) is hinged with third telescopic rod (8) between first telescopic rod (6) and the second telescopic rod (7).
2. a kind of physics student experimental teaching connecting rod apparatus for demonstrating according to claim 1, it is characterised in that: described straight
The length of ruler (2) and the equal length of through slot (3).
3. a kind of physics student experimental teaching connecting rod apparatus for demonstrating according to claim 1, it is characterised in that: the bottom
Plate (1) is connected with transparent holding box (9) by groove.
4. a kind of physics student experimental teaching connecting rod apparatus for demonstrating according to claim 1, it is characterised in that: two groups of institutes
The other end for stating top (41) passes through friction plate and connect with the inner wall of through slot (3).
5. a kind of physics student experimental teaching connecting rod apparatus for demonstrating according to claim 1, it is characterised in that: described
The surface of one telescopic rod (6), the second telescopic rod (7) and third telescopic rod (8) is equipped with graduation mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721205.2U CN209216380U (en) | 2018-05-15 | 2018-05-15 | A kind of physics student experimental teaching connecting rod apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820721205.2U CN209216380U (en) | 2018-05-15 | 2018-05-15 | A kind of physics student experimental teaching connecting rod apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209216380U true CN209216380U (en) | 2019-08-06 |
Family
ID=67451652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820721205.2U Expired - Fee Related CN209216380U (en) | 2018-05-15 | 2018-05-15 | A kind of physics student experimental teaching connecting rod apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209216380U (en) |
-
2018
- 2018-05-15 CN CN201820721205.2U patent/CN209216380U/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 |
Granted publication date: 20190806 Termination date: 20200515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |