CN204576830U - Multi-functional primary school teaching demonstration lectern - Google Patents
Multi-functional primary school teaching demonstration lectern Download PDFInfo
- Publication number
- CN204576830U CN204576830U CN201520255278.3U CN201520255278U CN204576830U CN 204576830 U CN204576830 U CN 204576830U CN 201520255278 U CN201520255278 U CN 201520255278U CN 204576830 U CN204576830 U CN 204576830U
- Authority
- CN
- China
- Prior art keywords
- downside
- table top
- square plate
- slot
- switch
- 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 provides a kind of multi-functional primary school teaching demonstration lectern, belong to teaching aid technical field, its structure comprises table top and supporting leg, it is characterized in that being provided with hidden audio amplifier in table-board to right or left side, microphone is provided with on front side of table top, microphone is connected with hidden audio amplifier, square opening is provided with on rear side of table top, coupling shaft is provided with on rear side of square opening, coupling shaft is provided with square plate, square plate is concordant with table top, square plate left and right sides is provided with restriction rope, be connected with inside square opening on the downside of restriction rope, hinge is provided with on the downside of square plate, electric expansion arm is provided with on the downside of hinge, square plate is provided with pumping slot.The utility model is multiple functional, easy and simple to handle, time saving and energy saving when carrying out primary school math teaching demonstration, alleviates the work difficulty of teaching teacher.
Description
Technical field:
The utility model belongs to teaching aid technical field, specifically a kind of multi-functional primary school teaching demonstration lectern.
Background technology:
At present, on primary school mathematics class, mathematics teaching aid is less, therefore teacher is when giving lessons, usually need on blackboard, write various digital addition and subtraction arithmetic expression, adopt the method for writing, time Chang Liao students' union feels uninteresting, and need repeatedly to clean off a blackboard, add certain work difficulty to teachers.
Summary of the invention:
The purpose of this utility model is to provide a kind of multi-functional primary school teaching demonstration lectern easy and simple to handle, time saving and energy saving when carrying out primary school math teaching demonstration.
The technical solution of the utility model is: multi-functional primary school teaching demonstration lectern comprises table top and supporting leg, it is characterized in that being provided with hidden audio amplifier in table-board to right or left side, microphone is provided with on front side of table top, microphone is connected with hidden audio amplifier, square opening is provided with on rear side of table top, coupling shaft is provided with on rear side of square opening, coupling shaft is provided with square plate, square plate is concordant with table top, square plate left and right sides is provided with restriction rope, be connected with inside square opening on the downside of restriction rope, hinge is provided with on the downside of square plate, electric expansion arm is provided with on the downside of hinge, square plate is provided with pumping slot, pumping case is provided with in pumping slot, electric rotation shaft is provided with on the downside of pumping case, electric expansion push arm is provided with on the downside of electric rotation shaft, pumping slot inner bottom surface is connected on the downside of electric expansion push arm, pumping case is provided with four slots, slot surface is provided with transparent amplifying observation face, digital card is provided with in slot, LED illumination lamp is provided with on the downside of pumping slot, two supports are provided with on the right side of table top, support medial surface is provided with chute, digital card film magazine is provided with between chute, three lateral partitions are provided with in digital card film magazine, card slot is formed between lateral partitions, before and after card slot, side is provided with slotting road, groove is provided with on the left of table top, groove is provided with recess cover, control circuit mainboard is provided with in groove, control circuit mainboard is provided with hidden audio amplifier switch, microphone switch, electric expansion arm switch, electric rotation shaft switch, electric expansion push arm switch and LED illumination lamp switch, power lead is provided with on the downside of control circuit mainboard.
As preferably, in described digital card film magazine, be provided with anti-blushing agent groove.
As preferably, on the right side of described digital card film magazine, be provided with handle.
As preferably, described recess cover is provided with key lock.
The beneficial effects of the utility model are:
The utility model is multiple functional, easy and simple to handle, time saving and energy saving when carrying out primary school math teaching demonstration, alleviates the work difficulty of teaching teacher.
Accompanying drawing illustrates:
Accompanying drawing 1 is the utility model multi-functional primary school teaching demonstration lectern schematic diagram.
Accompanying drawing 2 is the schematic diagram in the utility model square plate.
Accompanying drawing 3 is the schematic diagram of the utility model digital card film magazine.
In figure 1, table top, 2, supporting leg, 3, hidden audio amplifier, 4, microphone, 5, square opening, 6, coupling shaft, 7, square plate, 8, restriction rope, 9, hinge, 10, electric expansion arm, 11, pumping slot, 12, pumping case, 13, electric rotation shaft, 14, electric expansion push arm, 15, slot, 16, transparent amplifying observation face, 17, digital card, 18, LED illumination lamp, 19, support, 20 chutes, 21, digital card film magazine, 22, lateral partitions, 23, card slot, 24, insert road, 25, groove, 26, recess cover, 27, control circuit mainboard, 28, hidden audio amplifier switch, 29, microphone switch, 30, electric expansion arm switch, 31, electric rotation shaft switch, 32, electric expansion push arm switch, 33, LED illumination lamp switch, 34, power lead, 35, anti-blushing agent groove, 36, handle, 37, key lock.
Embodiment:
Multi-functional primary school teaching demonstration lectern comprises table top 1 and supporting leg 2, it is characterized in that being provided with hidden audio amplifier 3 at table top 1 left and right sides, microphone 4 is provided with on front side of table top 1, microphone 4 is connected with hidden audio amplifier 3, square opening 5 is provided with on rear side of table top 1, coupling shaft 6 is provided with on rear side of square opening 5, coupling shaft 6 is provided with square plate 7, square plate 7 is concordant with table top 1, square plate 7 left and right sides is provided with restriction rope 8, be connected on the downside of restriction rope 8 with inside square opening 5, hinge 9 is provided with on the downside of square plate 7, electric expansion arm 10 is provided with on the downside of hinge 9, square plate 7 is provided with pumping slot 11, pumping case 12 is provided with in pumping slot 11, electric rotation shaft 13 is provided with on the downside of pumping case 12, electric expansion push arm 14 is provided with on the downside of electric rotation shaft 13, pumping slot 11 inner bottom surface is connected on the downside of electric expansion push arm 14, pumping case 12 is provided with four slots 15, slot 15 surface is provided with transparent amplifying observation face 16, digital card 17 is provided with in slot 15, LED illumination lamp 18 is provided with on the downside of pumping slot 15, two supports 19 are provided with on the right side of table top 1, support 19 medial surface is provided with chute 20, digital card film magazine 21 is provided with between chute 20, three lateral partitions 22 are provided with in digital card film magazine 21, card slot 23 is formed between lateral partitions 22, before and after card slot 23, side is provided with slotting road 24, groove 25 is provided with on the left of table top 1, on groove, 25 are provided with recess cover 26, control circuit mainboard 27 is provided with in groove 25, control circuit mainboard 27 is provided with hidden audio amplifier switch 28, microphone switch 29, electric expansion arm switch 30, electric rotation shaft switch 31, electric expansion push arm switch 32 and LED illumination lamp switch 33, power lead 34 is provided with on the downside of control circuit mainboard 27.When carrying out primary school mathematics demonstration, connecting power line 34, open recess cover 26, open hidden audio amplifier switch 28 as required respectively, microphone switch 29, electric expansion arm switch 30, electric rotation shaft switch 31, electric expansion push arm switch 32 and LED illumination lamp switch 33, by electric expansion arm 10, square plate 7 is holded up, electric expansion push arm 14 is regulated to be released in pumping slot 11 by pumping case 12 again, open digital card film magazine 21, card used is extracted out in card slot 23, be inserted in slot 15 and demonstrate, open microphone 4 and hidden audio amplifier 3 simultaneously, teacher is facilitated to give a lecture, open LED illumination lamp 18 during insufficient light to throw light on, regulate the angle of electric rotation shaft 13 convenient for student viewing as required.
As preferably, in described digital card film magazine 21, be provided with anti-blushing agent groove 35.Such setting, can put into anti-blushing agent groove 35 by anti-blushing agent, places digital card 17 moist.
As preferably, on the right side of described digital card film magazine 21, be provided with handle 36.Such setting, can be easy to open digital card film magazine 21 by handle 36.
As preferably, described recess cover 26 is provided with key lock 37.Such setting, can pin recess cover 26 by key lock 37.
Claims (4)
1. multi-functional primary school teaching demonstration lectern, comprise table top (1) and supporting leg (2), it is characterized in that: be provided with hidden audio amplifier (3) at table top (1) left and right sides, table top (1) front side is provided with microphone (4), microphone (4) is connected with hidden audio amplifier (3), table top (1) rear side is provided with square opening (5), square opening (5) rear side is provided with coupling shaft (6), coupling shaft (6) is provided with square plate (7), square plate (7) is concordant with table top (1), square plate (7) left and right sides is provided with restriction rope (8), restriction rope (8) downside is connected with square opening (5) inner side, square plate (7) downside is provided with hinge (9), hinge (9) downside is provided with electric expansion arm (10), square plate (7) is provided with pumping slot (11), pumping case (12) is provided with in pumping slot (11), pumping case (12) downside is provided with electric rotation shaft (13), electric rotation shaft (13) downside is provided with electric expansion push arm (14), electric expansion push arm (14) downside is connected to pumping slot (11) inner bottom surface, pumping case (12) is provided with four slots (15), slot (15) surface is provided with transparent amplifying observation face (16), digital card (17) is provided with in slot (15), pumping slot (15) downside is provided with LED illumination lamp (18), table top (1) right side is provided with two supports (19), support (19) medial surface is provided with chute (20), digital card film magazine (21) is provided with between chute (20), three lateral partitions (22) are provided with in digital card film magazine (21), card slot (23) is formed between lateral partitions (22), before and after card slot (23), side is provided with slotting road (24), table top (1) left side is provided with groove (25), on groove, (25) are provided with recess cover (26), control circuit mainboard (27) is provided with in groove (25), control circuit mainboard (27) is provided with hidden audio amplifier switch (28), microphone switch (29), electric expansion arm switch (30), electric rotation shaft switch (31), electric expansion push arm switch (32) and LED illumination lamp switch (33), control circuit mainboard (27) downside is provided with power lead (34).
2. multi-functional primary school teaching demonstrates lectern according to claim 1, it is characterized in that: be provided with anti-blushing agent groove (35) in described digital card film magazine (21).
3. multi-functional primary school teaching demonstrates lectern according to claim 1, it is characterized in that: described digital card film magazine (21) right side is provided with handle (36).
4. multi-functional primary school teaching demonstrates lectern according to claim 1, it is characterized in that: described recess cover (26) is provided with key lock (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255278.3U CN204576830U (en) | 2015-04-22 | 2015-04-22 | Multi-functional primary school teaching demonstration lectern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255278.3U CN204576830U (en) | 2015-04-22 | 2015-04-22 | Multi-functional primary school teaching demonstration lectern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576830U true CN204576830U (en) | 2015-08-19 |
Family
ID=53869435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255278.3U Expired - Fee Related CN204576830U (en) | 2015-04-22 | 2015-04-22 | Multi-functional primary school teaching demonstration lectern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204576830U (en) |
-
2015
- 2015-04-22 CN CN201520255278.3U patent/CN204576830U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160422 |