CN203242221U - Physical lever teaching aid - Google Patents
Physical lever teaching aid Download PDFInfo
- Publication number
- CN203242221U CN203242221U CN 201320296016 CN201320296016U CN203242221U CN 203242221 U CN203242221 U CN 203242221U CN 201320296016 CN201320296016 CN 201320296016 CN 201320296016 U CN201320296016 U CN 201320296016U CN 203242221 U CN203242221 U CN 203242221U
- Authority
- CN
- China
- Prior art keywords
- sliding seat
- hinged
- teaching aid
- base
- balancing
- 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 physical lever teaching aid. The teaching aid comprises a base, the upper part of the base is provided with a bottom plate, the bottom plate is provided with a connection column, the connection column is detachably connected with the bottom plate through a connection bolt, the connection column is connected with a supporting column through connection threads, a sliding seat is sleeved outside the supporting column, a plurality of sliding seat bolts are arranged on the sliding seat, the sliding seat is hinged with a balancing rod, two end parts of the balancing rod are hinged with folding rods, the end parts of the folding rods are provided with balancing screws, the balancing rod is hinged with the sliding seat through a hinge shaft, and the folding rods are hinged with the balancing lever through hinge pins. When not in use at ordinary times, the physical lever teaching aid is convenient to carry as components of the physical lever teaching aid can be disassembled, and the arrangement of the sliding seat facilitates height adjustment.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly a kind of lever used for physics teaching.
Background technology
At present, in the junior physics, it all is to introduce by experiment that many concepts, rule, law are arranged, and in the terms of mechanics teaching, during the research lever equilibrium condition, needs lever teaching aid, and traditional lever teaching aid is wholely set, and cost of manufacture is high, is inconvenient to carry.
Summary of the invention
Problem to be solved in the utility model provides a kind of lever used for physics teaching that is convenient for carrying, and this lever used for physics teaching is detachably assembled, and is easy to carry.
For addressing the above problem, the technical scheme that the utility model adopts is:
A kind of lever used for physics teaching, comprise base, the top of base is provided with base plate, described base plate is provided with joint pin, described joint pin removably connects by coupling bolt and base plate, described joint pin is connected with support column by connecting thread, and described support column is socketed with sliding seat outward, and described sliding seat is provided with several sliding seat bolts; Described sliding seat is hinged with balance stem; The both ends of described balance stem are hinged with folding rod, and the end of described folding rod is provided with the balance screw.
As further improvement:
Described balance stem is hinged by jointed shaft and sliding seat; Folding rod is hinged by swivel pin and balance stem.
When not using at ordinary times, with the dismounting of the utility model each several part, be convenient for carrying, height is conveniently regulated in arranging of sliding seat.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of lever used for physics teaching of the utility model embodiment.
Among the figure:
The 1-base plate; The 2-base; The 3-joint pin; The 4-coupling bolt; The 5-support column; The 6-connecting thread; The 7-sliding seat; 8-sliding seat bolt; The 9-jointed shaft; The 10-balance stem; The 11-swivel pin; The 12-folding rod; 13-balance screw.
Embodiment
Embodiment, as shown in Figure 1, a kind of lever used for physics teaching, comprise base 2, the top of base 2 is provided with base plate 1, and described base plate 1 is provided with joint pin 3, described joint pin 3 removably connects by coupling bolt 4 and base plate 1, described joint pin 3 is connected with support column 5 by connecting thread 6, is socketed with sliding seat 7 outside the described support column 5, and described sliding seat 7 is provided with several sliding seat bolts 8; Described sliding seat 7 is hinged with balance stem 10; The both ends of described balance stem 10 are hinged with folding rod 12, and the end of described folding rod 12 is provided with balance screw 13.
Described balance stem 10 is hinged by jointed shaft 9 and sliding seat 7; Folding rod 12 is hinged by swivel pin 11 and balance stem 10.
When not using at ordinary times, with the dismounting of the utility model each several part, be convenient for carrying, height is conveniently regulated in arranging of sliding seat 7.
Claims (2)
1. lever used for physics teaching, comprise base (2), it is characterized in that: the top of base (2) is provided with base plate (1), described base plate (1) is provided with joint pin (3), (30 removably connect by coupling bolt (4) and base plate 1 described joint pin, described joint pin (3) is connected with support column (5) by connecting thread (6), and described support column (5) is outer to be socketed with sliding seat (7), and described sliding seat (7) is provided with several sliding seat bolts (8); Described sliding seat (7) is hinged with balance stem (10); The both ends of described balance stem (10) are hinged with folding rod (12), and the end of described folding rod (12) is provided with balance screw (13).
2. a kind of lever used for physics teaching as claimed in claim 1 is characterized in that: described balance stem (10) is hinged by jointed shaft (9) and sliding seat (7); Folding rod (12) is hinged by swivel pin (11) and balance stem (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296016 CN203242221U (en) | 2013-05-28 | 2013-05-28 | Physical lever teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320296016 CN203242221U (en) | 2013-05-28 | 2013-05-28 | Physical lever teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242221U true CN203242221U (en) | 2013-10-16 |
Family
ID=49319493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320296016 Expired - Fee Related CN203242221U (en) | 2013-05-28 | 2013-05-28 | Physical lever teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091497A (en) * | 2014-08-04 | 2014-10-08 | 朱彩玲 | Portable type lever for teaching |
-
2013
- 2013-05-28 CN CN 201320296016 patent/CN203242221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091497A (en) * | 2014-08-04 | 2014-10-08 | 朱彩玲 | Portable type lever for teaching |
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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: 20131016 Termination date: 20140528 |