CN205810213U - A kind of demonstrator for two force balance - Google Patents
A kind of demonstrator for two force balance Download PDFInfo
- Publication number
- CN205810213U CN205810213U CN201620362140.8U CN201620362140U CN205810213U CN 205810213 U CN205810213 U CN 205810213U CN 201620362140 U CN201620362140 U CN 201620362140U CN 205810213 U CN205810213 U CN 205810213U
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- CN
- China
- Prior art keywords
- support box
- connecting rod
- rope
- demonstrator
- utility
- 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.)
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Abstract
The utility model discloses a kind of demonstrator for two force balance, including support box, described support box lower surface both sides connect connecting rod, described connecting rod bottom is connected by rotating shaft pulley, connecting between two pulleys and have rope, connecting in the middle part of described rope has plastic plate, described rope ends to hang with link code, described support box top connects has lid, bottom to be provided with Magnet.This utility model simple in construction, by the Magnet bottom support box, is adsorbed in blackboard by support box, facilitates student to carry out balance between two forces experiment, is also convenient for observation of students experimental result simultaneously, after experiment terminates, directly by experiment appliance storage with in support box, is convenient for carrying.
Description
Technical field
This utility model relates to experiment appliance technical field, is specially a kind of demonstrator for two force balance.
Background technology
Balance between two forces experiment on teaching material is typically demonstrated the most on one sheet, it has not been convenient to observation of students and operation, past
In experiment, it is not in level affects experimental result, and experimental apparatus volume is big, it has not been convenient to carrying.
Utility model content
The purpose of this utility model is to provide a kind of demonstrator for two force balance, to solve proposition in above-mentioned background technology
Problem.
For achieving the above object, this utility model following technical scheme of offer: a kind of demonstrator for two force balance, including support
Box, described support box lower surface both sides connect connecting rod, and described connecting rod bottom is connected by rotating shaft pulley, connects between two pulleys
Being connected to rope, connect and have plastic plate, described rope ends to hang with link code in the middle part of described rope, described support box top connects box
Lid, bottom is provided with Magnet.
Preferably, described Magnet is used for adsorbing blackboard.
Preferably, described connecting rod has two, and described pulley can be freely rotatable around connecting rod.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction, at the bottom of support box
The Magnet in portion, is adsorbed in blackboard by support box, facilitates student to carry out balance between two forces experiment, is also convenient for observation of students experiment knot simultaneously
Really, after experiment terminates, directly by experiment appliance storage with in support box, it is convenient for carrying.
Accompanying drawing explanation
Fig. 1 is this utility model structural front view；
Fig. 2 is this utility model support box top view.
In figure: 1 support box, 2 connecting rods, 3 ropes, 4 plastic plates, 5 pulleys, 6 link codes, 7 lids, 8 Magnet.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Referring to Fig. 1-2, a kind of technical scheme of this utility model offer: a kind of demonstrator for two force balance, including support box
1, described support box 1 lower surface both sides connect connecting rod 2, and described connecting rod 2 bottom is connected by rotating shaft pulley 5, described connecting rod 2
Having two, and described pulley 5 can be freely rotatable around connecting rod 2, connecting between two pulleys 5 has rope 3, connects in the middle part of described rope 3
Being connected to plastic plate 4, described rope 3 two ends hang with link code 6, and described support box 1 top connects lid 7, and bottom is provided with Magnet
8, described Magnet 8 is used for adsorbing blackboard, facilitates student's operation experiments and observation experiment, after experiment terminates simultaneously, convenient by rope 3
With link code 6 storage with in support box 1, it is convenient for carrying.
Embodiment the most of the present utility model, for the ordinary skill in the art,
It is appreciated that in the case of without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, repair
Changing, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a demonstrator for two force balance, including support box (1), it is characterised in that: described support box (1) lower surface both sides connect
Having connecting rod (2), described connecting rod (2) bottom is connected by rotating shaft pulley (5), and connecting between two pulleys (5) has rope (3), institute
Stating the connection of rope (3) middle part has plastic plate (4), described rope (3) two ends to hang with link code (6), and described support box (1) top connects
Having lid (7), bottom is provided with Magnet (8).
A kind of demonstrator for two force balance the most according to claim 1, it is characterised in that: described Magnet (8) is used for adsorbing black
Plate.
A kind of demonstrator for two force balance the most according to claim 1, it is characterised in that: described connecting rod (2) has two, and institute
Stating pulley (5) can be freely rotatable around connecting rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362140.8U CN205810213U (en) | 2016-04-26 | 2016-04-26 | A kind of demonstrator for two force balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362140.8U CN205810213U (en) | 2016-04-26 | 2016-04-26 | A kind of demonstrator for two force balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810213U true CN205810213U (en) | 2016-12-14 |
Family
ID=58144800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620362140.8U Expired - Fee Related CN205810213U (en) | 2016-04-26 | 2016-04-26 | A kind of demonstrator for two force balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025829A (en) * | 2017-05-07 | 2017-08-08 | 陆安琪 | Balance between two forces demonstration equipment |
-
2016
- 2016-04-26 CN CN201620362140.8U patent/CN205810213U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025829A (en) * | 2017-05-07 | 2017-08-08 | 陆安琪 | Balance between two forces demonstration equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170426 |