CN202341399U - Support for history teaching - Google Patents
Support for history teaching Download PDFInfo
- Publication number
- CN202341399U CN202341399U CN2011205569468U CN201120556946U CN202341399U CN 202341399 U CN202341399 U CN 202341399U CN 2011205569468 U CN2011205569468 U CN 2011205569468U CN 201120556946 U CN201120556946 U CN 201120556946U CN 202341399 U CN202341399 U CN 202341399U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- support
- supporting rod
- rod
- upper rack
- 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
- 230000000717 retained effect Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Supports Or Holders For Household Use (AREA)
Abstract
The utility model discloses a support for history teaching. The support comprises an upper supporting rod, a lower supporting rod, a first connecting rod and a second connecting rod, wherein each of the upper supporting rod and the lower supporting rod is provided with a sliding groove; two ends of the first connecting rod and two ends of the second connecting rod are retained in the sliding grooves of the upper supporting rod and the lower supporting rod respectively; the first connecting rod and the second connecting rod are connected with each other through a screw; and retaining pieces are arranged on the upper supporting rod and the lower supporting rod respectively. The lengths of the first connecting rod and the second connecting rod are the same. The utility model has the advantages that the support has a simple structure, is convenient to use, and can fully unfold wall maps for history teaching; and the length of the support is adjustable, so that the support can be used for wall maps with a broad size range.
Description
Technical field
The utility model relates to a kind of teaching aid, and relates more specifically to a kind of support that is used for historical teaching.
Background technology
In historical teaching, can relate to the wall chart of showing historical map or atlas, historical personage etc. to the student usually.Because the size of these wall charts differs, and is in the state that intervolves throughout the year, so when teaching, these wall charts often can not launch smooth-goingly, can curl usually in its underpart.
The utility model content
To the problem that above-mentioned prior art exists, the utility model provides a kind of support that is used for historical teaching.
To achieve these goals; The technical scheme that the utility model adopts is: a kind of support that is used for historical teaching; Comprise upper rack posts, lower fulcrum bar, head rod and second connecting rod, upper rack posts and lower fulcrum bar are equipped with chute, and the two ends of the head rod and second connecting rod remain on respectively in the chute of upper rack posts and lower fulcrum bar; The head rod and second connecting rod link together through screw, are respectively equipped with keeper on upper rack posts and the lower fulcrum bar.
As preferably, head rod is identical with the length of second connecting rod.
Compared with prior art, the advantage of the utility model is: simple in structure, easy to use, can historical teaching fully be launched with wall chart, and adjustable in length, so that can supply the wider wall chart of size range to use.
Description of drawings
Fig. 1 is the sketch according to the support of the utility model embodiment.
In the drawings: 1 upper rack posts, 2 lower fulcrum bars, 3 head rods, 4 second connecting rods, 5 screws, 6 keepers.
The specific embodiment
To combine accompanying drawing that the utility model is described further below.
Referring to Fig. 1; This support comprises upper rack posts 1, lower fulcrum bar 2, head rod 3 and second connecting rod 4; Upper rack posts 1 is equipped with chute with lower fulcrum bar 2; The two ends of the head rod 3 and second connecting rod 4 remain on respectively in the chute of upper rack posts 1 and lower fulcrum bar 2, and the head rod 3 and second connecting rod 4 link together through screw 5, are respectively equipped with keeper 6 on upper rack posts 1 and the lower fulcrum bar 2.In this embodiment, head rod 3 is identical with the length of second connecting rod 4.
In use, the upper end of wall chart is fixing through the keeper on the upper rack posts 16.Like this, just can adjust support according to the size of wall chart.The lower end of wall chart is fixing through the keeper on the lower fulcrum bar 26.Like this, the slip of two ends in chute through the head rod 3 and second connecting rod 4 realizes the adjustment of distance between upper rack posts 1 and the lower fulcrum bar 2 of support.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation in spirit that does not break away from the utility model or the scope in other embodiments among this paper.Therefore, the utility model will can not be limited to these embodiment shown in this paper, but will accord with principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. support that is used for historical teaching; Comprise upper rack posts, lower fulcrum bar, head rod and second connecting rod; It is characterized in that said upper rack posts and lower fulcrum bar are equipped with chute, the two ends of the said first said head rod and said second connecting rod remain on respectively in the chute of said upper rack posts and said lower fulcrum bar; Said head rod and said second connecting rod link together through screw, are respectively equipped with keeper on said upper rack posts and the said lower fulcrum bar.
2. the support that is used for historical teaching according to claim 1 is characterized in that, said head rod is identical with the length of said second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205569468U CN202341399U (en) | 2011-12-18 | 2011-12-18 | Support for history teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205569468U CN202341399U (en) | 2011-12-18 | 2011-12-18 | Support for history teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202341399U true CN202341399U (en) | 2012-07-25 |
Family
ID=46530410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205569468U Expired - Fee Related CN202341399U (en) | 2011-12-18 | 2011-12-18 | Support for history teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202341399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999667A (en) * | 2016-06-29 | 2016-10-12 | 韩辉 | Outdoor badminton net rack |
-
2011
- 2011-12-18 CN CN2011205569468U patent/CN202341399U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999667A (en) * | 2016-06-29 | 2016-10-12 | 韩辉 | Outdoor badminton net rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20121218 |