CN202110695U - Pulley block for teaching purpose - Google Patents
Pulley block for teaching purpose Download PDFInfo
- Publication number
- CN202110695U CN202110695U CN2011202123351U CN201120212335U CN202110695U CN 202110695 U CN202110695 U CN 202110695U CN 2011202123351 U CN2011202123351 U CN 2011202123351U CN 201120212335 U CN201120212335 U CN 201120212335U CN 202110695 U CN202110695 U CN 202110695U
- Authority
- CN
- China
- Prior art keywords
- pulley
- fixed
- teaching
- utility
- model
- 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 pulley block for teaching purpose, which comprises a bracket, pulleys and a winding line, wherein the pulleys include a fixed pulley fixed on the bracket and a movable pulley connected with the fixed pulley through the winding line. Hair circles are arranged on the bracket, and the fixed pulley and the winding line are fixed through the hair circles. The winding line adopts rubber band. The bracket comprises a base, a long batten, and a short batten which are connected through mortises. The pulley block provided by the utility model is suitable for teaching use, can enhance the practice ability of students, and is good for realizing teaching purpose.
Description
Technical field
The utility model relates to a kind of teaching aid, and pulley blocks is used in especially a kind of teaching.
Background technology
The design of existing teaching aid middle pulley group is simpler, can't attract the student effectively to learn, and just mechanically tells the purposes of this apparatus of student, stresses less for students'ability for practice.
The utility model content
The utility model provides a kind of teaching to use pulley blocks, has solved the problem that existing teaching middle school student theory and practice is separated targetedly, defectives such as students ' practical ability difference.
The utility model provides a kind of teaching to use pulley blocks, is made up of support, pulley and coiling, and pulley comprises fixed pulley and travelling block, and fixed pulley is fixed on the support, and travelling block connects through coiling.
Preferred scheme is on the support screw eye to be arranged, and fixed pulley is fixed through screw eye with coiling.
Preferred scheme is rubber band for coiling.
Preferred scheme is that support is made up of base and length batten, between pass through the tongue-and-groove connection.
Pulley blocks is used in a kind of teaching that the utility model provides, and is suitable for student's use of imparting knowledge to students, and strengthens students ' practical ability, helps realizing teaching purpose.
Description of drawings
Fig. 1 the utility model structural drawing;
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is done further detailed explanation.
Embodiment 1
Pulley blocks is used in a kind of teaching, is made up of support (1), pulley and coiling (2), and pulley comprises fixed pulley (3) and travelling block (4), and fixed pulley is fixed on the support, and travelling block connects through coiling.Screw eye is arranged on the support, and fixed pulley is fixed through screw eye with coiling.Coiling is rubber band.Support is made up of base and length batten, between connect through tongue-and-groove.
Above content is to combine structure and the course of work of the utility model to its further explain of doing, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (4)
1. pulley blocks is used in a teaching, is made up of support, pulley and coiling, and it is characterized in that: pulley comprises fixed pulley and travelling block, and fixed pulley is fixed on the support, and travelling block connects through coiling.
2. pulley blocks is used in teaching according to claim 1, it is characterized in that: on the described support screw eye is arranged, fixed pulley is fixed through screw eye with coiling.
3. pulley blocks is used in teaching according to claim 2, it is characterized in that: described coiling is a rubber band.
4. pulley blocks is used in teaching according to claim 3, it is characterized in that: described support is made up of base and length batten, between connect through tongue-and-groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202123351U CN202110695U (en) | 2011-06-22 | 2011-06-22 | Pulley block for teaching purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202123351U CN202110695U (en) | 2011-06-22 | 2011-06-22 | Pulley block for teaching purpose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110695U true CN202110695U (en) | 2012-01-11 |
Family
ID=45436143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202123351U Expired - Fee Related CN202110695U (en) | 2011-06-22 | 2011-06-22 | Pulley block for teaching purpose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202110695U (en) |
-
2011
- 2011-06-22 CN CN2011202123351U patent/CN202110695U/en not_active Expired - Fee Related
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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: 20120111 Termination date: 20140622 |
|
| EXPY | Termination of patent right or utility model |