CN2176680Y - School table for teaching - Google Patents
School table for teaching Download PDFInfo
- Publication number
- CN2176680Y CN2176680Y CN 93231802 CN93231802U CN2176680Y CN 2176680 Y CN2176680 Y CN 2176680Y CN 93231802 CN93231802 CN 93231802 CN 93231802 U CN93231802 U CN 93231802U CN 2176680 Y CN2176680 Y CN 2176680Y
- Authority
- CN
- China
- Prior art keywords
- reflection
- reflecting
- teaching
- table body
- hole
- 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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- Projection Apparatus (AREA)
Abstract
The utility model discloses a school table for teaching. In order to overcome the disadvantages that the school table for teaching in the prior art has single function, a slide projector has inconvenient operation, and the teaching is affected, the utility model uses a structural form that the table body and the slide projector are combined; the surface of the table body is provided with a reflecting hole, and a reflecting hole cover is provided corresponding to the reflecting hole; a reflecting mirror is arranged on the reflecting hole cover; a lamp bulb and a reflecting shield are arranged under the reflecting hole in the table body; a collecting mirror is arranged above the lamp bulb and the reflecting shield, and a magnifier is arranged above the collecting mirror; the supporting base of a slide is arranged between the collecting mirror and the magnifier. The utility model can be used for a school to organize the teaching.
Description
The utility model relates to lectern, especially a kind of the lectern that body combines with slide projector.
The function singleness of lectern in the prior art only is used for placing teaching aid, books or other article, when particularly utilizing existing slide projector to impart knowledge to students, because slide projector is placed on the desk and uses the easy like this student's sight line of blocking; Inconvenient operation; The teacher need leave dais operation slide projector, influences the teacher and makes a gesture, and disperses attention of student, the teaching of influence tissue; Existing in addition slide projector cost height need be moved slide projector when imparting knowledge to students back and forth, wastes time and energy.
The purpose of this utility model is to overcome the shortcoming that exists in the above-mentioned prior art, and the lectern of establishing projecting apparatus in a kind of is provided.
The purpose of this utility model takes following scheme to realize: have reflection hole on the desktop of table body, to settling the reflection port lid by reflection hole, speculum is set on it, in the table body, reflection hole below bulb and reflection shield are set, above bulb and reflection shield, condenser is set, the top of condenser is provided with magnifying glass, is provided with the lantern slide bearing between condenser and magnifying glass.
In addition, settle thrust bolt at the reflection hole medial surface, pole covers at reflection hole by hinge-coupled.
The power supply of bulb can use dc source or AC power.
The version that the utility model owing to take is integrated table body and slide projector not only can have been made lectern and use but also can carry out slide show teaching, and usefulness more than one is beneficial to tissue and imparts knowledge to students, and is easy to operate, and have cheap advantage.
The utility model will be further described below in conjunction with accompanying drawing.
Accompanying drawing is a structural representation of the present utility model.
On the desktop of table body (1), have reflection hole (6), corresponding reflection hole (6) will reflect port lid (5) with hinge to be settled on the table body (1), pole (3) is bound up on the reflection port lid (5) by hinge, thrust bolt is settled in reflection hole (6) side, thrust bolt is stuck in the slotted eye of pole (3), by unscrewing the support angle that changes reflection port lid (5) with fastening nut, reflection port lid (5) studs with speculum (4), and this speculum (4) is a level crossing.In table body (1), reflection hole (6) settles bulb (11), reflection shield (10) and transformer (9) on the plank of below, reflection shield (10) is a concave mirror, bulb (11) is in its focal position.Be embedded with condenser (2) at bulb (11) and reflection shield (10) top with plank, condenser (2) top is embedded with magnifying glass (7) with plank, between condenser (2) and magnifying glass (7), lantern slide bearing (8) is settled in position near condenser (2), and condenser (2) is convex lens with magnifying glass (7).In addition, table body (1) is settled switch (13) and plug (12), and plug (12) links by lead and transformer (9), and transformer (9) links by lead and bulb (11), switch (12).
The utility model unscrews the nut on the thrust bolt when not using slide projector, and the reflection port lid (5) that closes gets final product.
Claims (3)
1, a kind of lectern, be provided with a body (1), have reflection hole (6) on the desktop of table body (1), corresponding reflection hole (6) is settled reflection port lid (5), it is characterized in that reflecting port lid (5) speculum (4) is set, in table body (1), the below of reflection hole (6) is provided with bulb (11) and reflection shield (10), top at bulb (11) and reflection shield (10) is provided with condenser (2), condenser (2) top is provided with magnifying glass (7), is provided with lantern slide bearing (8) between condenser (2) and magnifying glass (7).
2, a kind of lectern according to claim 1 is characterized in that reflection hole (6) medial surface arrangement thrust bolt, and pole (3) is being reflected on the port lid (5) by hinge-coupled.
3, a kind of lectern according to claim 1 and 2, it is characterized in that a body (1) arrangement switch (13) and plug (12), settle transformer (9) in the table body (1), plug (12) links by lead and transformer (9), and transformer (9) links by lead and bulb (11), switch (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93231802 CN2176680Y (en) | 1993-09-07 | 1993-09-07 | School table for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93231802 CN2176680Y (en) | 1993-09-07 | 1993-09-07 | School table for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2176680Y true CN2176680Y (en) | 1994-09-14 |
Family
ID=33808180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93231802 Expired - Fee Related CN2176680Y (en) | 1993-09-07 | 1993-09-07 | School table for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2176680Y (en) |
-
1993
- 1993-09-07 CN CN 93231802 patent/CN2176680Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |