CN203405985U - Cube teaching demonstration device - Google Patents
Cube teaching demonstration device Download PDFInfo
- Publication number
- CN203405985U CN203405985U CN201320550830.2U CN201320550830U CN203405985U CN 203405985 U CN203405985 U CN 203405985U CN 201320550830 U CN201320550830 U CN 201320550830U CN 203405985 U CN203405985 U CN 203405985U
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- CN
- China
- Prior art keywords
- connecting rod
- sliding
- frame
- sockets
- cube
- 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
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Abstract
The utility model discloses a cube teaching demonstration device. The device comprises a cubic frame. Frame connecting bars are plugged into connecting bar sockets to form the frame. The connecting bar sockets are disposed at the end parts of the frame connecting bars. Sliding sockets are externally sleeved on the frame connecting bars. Sliding fixing devices are disposed between the sliding sockets and the frame connecting bars. Inner connecting bar sliding sockets are hinged on the sliding sockets. At least one inner connecting bar fixing socket is hinged on each connecting bar socket. Inner connecting bars are plugged between the inner connecting bar sliding sockets and the inner connecting bar fixing sockets, and the inner connecting bars are telescoping bars. According to a solid figure, the inner connecting bars are plugged, and the inner connecting bars and the frame connecting bars are used for demonstration of the cubic graphics. The inner connecting bar sliding sockets are hinged on the sliding sockets, so that positions of the inner connecting bars are conveniently adjusted and demonstration is facilitated.
Description
Technical field
The utility model relates to a kind of teaching demonstration device.
Background technology
Middle school period cube is one of important and course of beyonding one's depth of mathematics class, and teacher, when teaching, uses chalk on blackboard, to carry out the drafting of solid figure mostly, and demonstration effect is poor.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of cube teaching demonstration device that can carry out visual in image demonstration.
For solving the problems of the technologies described above, the technical solution of the utility model is: cube teaching demonstration device, comprise cube framework, described cube framework is pegged graft into the connecting rod base that is located at described frame interlinking lever end by frame connecting rod, on described frame connecting rod, overcoat has sliding seat, between described sliding seat and described frame connecting rod, be provided with slip stationary installation, on described sliding seat, be hinged with inside connecting rod sliding socket, on described connecting rod base, be hinged with at least one inside connecting rod fixed socket, between described inside connecting rod sliding socket and described inside connecting rod fixed socket, be plugged with inside connecting rod, described inside connecting rod is expansion link.
As preferred technical scheme, described frame connecting rod is expansion link.
Owing to having adopted technique scheme, cube teaching demonstration device, comprise cube framework, described cube framework is pegged graft into the connecting rod base that is located at described frame interlinking lever end by frame connecting rod, on described frame connecting rod, overcoat has sliding seat, between described sliding seat and described frame connecting rod, be provided with slip stationary installation, on described sliding seat, be hinged with inside connecting rod sliding socket, on described connecting rod base, be hinged with at least one inside connecting rod fixed socket, between described inside connecting rod sliding socket and described inside connecting rod fixed socket, be plugged with inside connecting rod, described inside connecting rod is expansion link; According to solid figure, carry out the plug-in mounting of inside connecting rod, with inside connecting rod and frame connecting rod, cube graph shape to be demonstrated, inside connecting rod sliding socket is hinged on sliding seat, and internal connecting rod position regulates easily, has facilitated demonstration.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
In figure: 1-frame connecting rod; 2-connecting rod base; 3-sliding seat; 4-inside connecting rod sliding socket; 5-inside connecting rod fixed socket; 6-inside connecting rod.
Embodiment
As shown in Figure 1, cube teaching demonstration device, comprise cube framework, described cube framework is pegged graft into the connecting rod base 2 that is located at described frame connecting rod 1 end by frame connecting rod 1, on described frame connecting rod 1, overcoat has sliding seat 3, between described sliding seat 3 and described frame connecting rod 1, be provided with slip stationary installation, described slip stationary installation can adopt puller bolt is installed on sliding seat, puller bolt holds out against the mode on frame connecting rod, sliding seat being fixed, on described sliding seat 3, be hinged with inside connecting rod sliding socket 4, on described connecting rod base 2, be hinged with two inside connecting rod fixed sockets 5, between described inside connecting rod sliding socket 4 and described inside connecting rod fixed socket 5, be plugged with inside connecting rod 6.
Described frame connecting rod 1 and described inside connecting rod 6 are expansion link, can adjust as required the length of inside connecting rod and frame connecting rod, to facilitate the demonstration to cube graph shape.
According to cube figure, carry out the plug-in mounting of inside connecting rod 6, with inside connecting rod 6 and 1 pair of cube graph shape of frame connecting rod, to demonstrate, inside connecting rod sliding socket is hinged on sliding seat, and internal connecting rod position regulates easily, has facilitated demonstration.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. cube teaching demonstration device, it is characterized in that: comprise cube framework, described cube framework is pegged graft into the connecting rod base that is located at described frame interlinking lever end by frame connecting rod, on described frame connecting rod, overcoat has sliding seat, between described sliding seat and described frame connecting rod, be provided with slip stationary installation, on described sliding seat, be hinged with inside connecting rod sliding socket, on described connecting rod base, be hinged with at least one inside connecting rod fixed socket, between described inside connecting rod sliding socket and described inside connecting rod fixed socket, be plugged with inside connecting rod, described inside connecting rod is expansion link.
2. cube teaching demonstration device as claimed in claim 1, is characterized in that: described frame connecting rod is expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550830.2U CN203405985U (en) | 2013-09-06 | 2013-09-06 | Cube teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550830.2U CN203405985U (en) | 2013-09-06 | 2013-09-06 | Cube teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405985U true CN203405985U (en) | 2014-01-22 |
Family
ID=49941909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320550830.2U Expired - Fee Related CN203405985U (en) | 2013-09-06 | 2013-09-06 | Cube teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652676A (en) * | 2017-02-08 | 2017-05-10 | 蚌埠学院 | Movable space geometry analysis model |
-
2013
- 2013-09-06 CN CN201320550830.2U patent/CN203405985U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652676A (en) * | 2017-02-08 | 2017-05-10 | 蚌埠学院 | Movable space geometry analysis model |
| CN106652676B (en) * | 2017-02-08 | 2019-01-29 | 蚌埠学院 | Active type space geometry analytic modell analytical model |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20140906 |
|
| EXPY | Termination of patent right or utility model |