CN202233820U - Lifting lecture table - Google Patents
Lifting lecture table Download PDFInfo
- Publication number
- CN202233820U CN202233820U CN2011203984790U CN201120398479U CN202233820U CN 202233820 U CN202233820 U CN 202233820U CN 2011203984790 U CN2011203984790 U CN 2011203984790U CN 201120398479 U CN201120398479 U CN 201120398479U CN 202233820 U CN202233820 U CN 202233820U
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- CN
- China
- Prior art keywords
- hollow
- elevating lever
- tooth bar
- gear
- hollow stent
- 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 lifting lecture table, which comprises a pair of hollow supports (1). The hollow supports (1) are symmetrical and are integrally connected through a transverse rod (12). A lifting rod (2) is installed in each hollow support (1). A lecture table panel (4) is arranged at one ends of the two lifting rods (2). A notch (8) is arranged at the upper end of the front surface of each hollow support (1). A groove (13) is arranged on the front surface of each lifting rod (2). A gear rack (3) is arranged in the groove (13). The position of the gear rack (3) corresponds to the position of the notch (8). A rotating shaft (6) is fixed on the internal sides of the two hollow supports (1) through a shaft sleeve (7). Gears (5) are arranged on the rotating shaft (6). The gears (5) are matched with the gear racks (3) in a driving way through a motor (9). By adopting the structure, the goals that the lecture table is convenient to use and can be lifted up and lowered down at any time are realized.
Description
Technical field
The utility model relates to a kind of teaching equipment, relates in particular to a kind of up-down dais.
Background technology
The dais of student's use at present generally comprises says deck plate and support, in teacher's teaching process, often sees the height difference because of the teacher; And feel very tired out after making teachers' instruction, like this, not only influenced the teacher's teaching quality; Also the healthy of teacher can be influenced, also Students'learning can be hindered, in addition; Along with science and technology development, various instruments used for education are put on the dais, also can block the sight line of student's study.
Summary of the invention
The purpose of the utility model provides a kind of simple in structure, and is easy to use, the dais that can go up and down at any time.
The technical scheme of the utility model is a kind of up-down dais, and it comprises a pair of hollow stent 1, the two symmetry and be connected as a single entity through cross bar 12; It is characterized in that: elevating lever 2 is installed in the inside of said each hollow stent 1; The other end of said two elevating levers 2 is provided with says deck plate 4, and the positive upper end of said each hollow stent 1 is provided with breach 8, and the front of said each elevating lever 2 is provided with groove 13; It is corresponding with said breach 8 positions to be equipped with tooth bar 3 and described tooth bar 3 positions in it; The inboard of said two hollow stents 1 is through axle sleeve 7 fixing rotating shafts 6, and said rotating shaft 6 is provided with gear 5, and said gear 5 drives through motor 9 with said tooth bar 3 and cooperates.
The technical scheme of the utility model can also be that the bottom inside at said hollow stent 1 is provided with limit switch 10, is provided with projection 11 in the bottom outside of said elevating lever 2.
The technical scheme of the utility model can also be to be provided with direction switch at the said upper surface of deck plate 4 of saying.
The beneficial effect of the utility model is through the inside at said each hollow stent 1 elevating lever 2 to be installed, and the other end of said two elevating levers 2 is provided with says deck plate 4, and the positive upper end of said each hollow stent 1 is provided with breach 8; The front of said each elevating lever 2 is provided with groove 13, and it is corresponding with said breach 8 positions to be equipped with tooth bar 3 and described tooth bar 3 positions in it, and the inboard of said two hollow stents 1 is through axle sleeve 7 fixing rotating shafts 6; Said rotating shaft 6 is provided with gear 5, and said gear 5 drives through motor 9 with said tooth bar 3 and cooperates, like this; Through 5 rotations of motor 9 driven gears; Because elevating lever 2 is provided with tooth bar, gear 5 drives tooth bar 2 and moves, and moves up and down thereby drive elevating lever 2; Because being provided with, the other end of two elevating levers 2 says deck plate 4 again; Therefore, can go up and down to say deck plate 2 easily, to be applicable to the needs of different occasions; In addition; Bottom inside at said hollow stent 1 is provided with limit switch 10, is provided with projection 11 in the bottom outside of said elevating lever 2, can the position of elevating lever 2 be limited; Make the up-down of saying deck plate more steady; Improve its stability, realized easy to use, the purpose at the dais of can going up and down at any time.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 1, in 1, hollow stent, 2, elevating lever, 3, tooth bar, 4, say deck plate, 5, gear, 6, rotating shaft, 7, axle sleeve, 8, breach, 9, motor, 10, limit switch, 11, projection, 12, cross bar, 13, groove.
The specific embodiment
According to shown in Figure 1, the utility model relates to a kind of up-down dais, and it comprises a pair of hollow stent 1; The two symmetry and be connected as a single entity through cross bar 12; In the inside of said each hollow stent 1 elevating lever 2 is installed, the other end of said two elevating levers 2 is provided with says deck plate 4, is provided with direction switch at the said upper surface of deck plate 4 of saying; The positive upper end of said each hollow stent 1 is provided with breach 8; The front of said each elevating lever 2 is provided with groove 13, and it is corresponding with said breach 8 positions to be equipped with tooth bar 3 and described tooth bar 3 positions in it, and the inboard of said two hollow stents 1 is through axle sleeve 7 fixing rotating shafts 6; Said rotating shaft 6 is provided with gear 5; Said gear 5 and said tooth bar 3 drive through motor 9 and cooperate, and also are provided with limit switch 10 in the bottom inside of said hollow stent 1, are provided with projection 11 in the bottom outside of said elevating lever 2; Like this, through 5 rotations of motor 9 driven gears, because elevating lever 2 is provided with tooth bar; Gear 5 drives tooth bar 2 and moves; Move up and down thereby drive elevating lever 2, say deck plate 4 because the other end of two elevating levers 2 is provided with again, therefore; Can go up and down to say deck plate 2 easily, to be applicable to the needs of different occasions; In addition; Bottom inside at said hollow stent 1 is provided with limit switch 10, is provided with projection 11 in the bottom outside of said elevating lever 2, can the position of elevating lever 2 be limited; Make the up-down of saying deck plate more steady; Improve its stability, realized easy to use, the purpose at the dais of can going up and down at any time.
Claims (3)
1. up-down dais; It comprises a pair of hollow stent (1); The two symmetry and be connected as a single entity through cross bar (12), it is characterized in that: in the inside of said each hollow stent (1) elevating lever (2) is installed, the other end of said two elevating levers (2) is provided with says deck plate (4); The positive upper end of said each hollow stent (1) is provided with breach (8); The front of said each elevating lever (2) is provided with groove (13), is equipped with tooth bar (3) in it and described tooth bar (3) position is corresponding with said breach (8) position, and the inboard of said two hollow stents (1) is through the fixing rotating shaft (6) of axle sleeve (7); Said rotating shaft (6) is provided with gear (5), and said gear (5) drives through motor (9) with said tooth bar (3) and cooperates.
2. up-down according to claim 1 dais is characterized in that: the bottom inside at said hollow stent (1) is provided with limit switch (10), is provided with projection (11) in the bottom outside of said elevating lever (2).
3. up-down according to claim 1 and 2 dais is characterized in that: be provided with direction switch at the said upper surface of deck plate (4) of saying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203984790U CN202233820U (en) | 2011-10-09 | 2011-10-09 | Lifting lecture table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203984790U CN202233820U (en) | 2011-10-09 | 2011-10-09 | Lifting lecture table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202233820U true CN202233820U (en) | 2012-05-30 |
Family
ID=46095146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203984790U Expired - Fee Related CN202233820U (en) | 2011-10-09 | 2011-10-09 | Lifting lecture table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202233820U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869376A (en) * | 2016-05-07 | 2016-08-17 | 徐帆 | Intelligent meter reading equipment with automatic lifting function |
| CN107900293A (en) * | 2017-11-08 | 2018-04-13 | 马鞍山市万鑫铸造有限公司 | One kind pricks air vent device |
| CN108433396A (en) * | 2018-04-17 | 2018-08-24 | 郭斌 | A kind of smart television cabinet convenient for adjusting height |
| CN113708790A (en) * | 2021-10-28 | 2021-11-26 | 江苏鸿鹄电子科技有限公司 | Transceiver equipment convenient to adjust based on 5G car networking |
-
2011
- 2011-10-09 CN CN2011203984790U patent/CN202233820U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869376A (en) * | 2016-05-07 | 2016-08-17 | 徐帆 | Intelligent meter reading equipment with automatic lifting function |
| CN107900293A (en) * | 2017-11-08 | 2018-04-13 | 马鞍山市万鑫铸造有限公司 | One kind pricks air vent device |
| CN108433396A (en) * | 2018-04-17 | 2018-08-24 | 郭斌 | A kind of smart television cabinet convenient for adjusting height |
| CN113708790A (en) * | 2021-10-28 | 2021-11-26 | 江苏鸿鹄电子科技有限公司 | Transceiver equipment convenient to adjust based on 5G car networking |
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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: 20120530 Termination date: 20121009 |