CN203561822U - Manual elevating device for projector in English language teaching - Google Patents
Manual elevating device for projector in English language teaching Download PDFInfo
- Publication number
- CN203561822U CN203561822U CN201320754361.6U CN201320754361U CN203561822U CN 203561822 U CN203561822 U CN 203561822U CN 201320754361 U CN201320754361 U CN 201320754361U CN 203561822 U CN203561822 U CN 203561822U
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- CN
- China
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- projector
- worm
- worm screw
- turboshaft
- worm wheel
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Abstract
The utility model relates to a manual elevating device, and specifically relates to a manual elevating device for a projector in English language teaching. The purpose of the utility model is to solve the problem that in the English language teaching, the height of the projector is adjusted by adding articles at the bottom of the projector, and adjustment is very troublesome and time-consuming and inconvenient. The manual elevating device comprises an installing platform, a worm pedestal, a worm, a spiral elevating sleeve, a projector bearing platform, a worm wheel, a worm wheel shaft and a worm wheel shaft seat, the worm pedestal is fixedly installed at the middle of the upper surface of the installing platform, a lower end of the worm is installed on the worm pedestal through a bearing, and an upper end of the worm is installed in a lower end of the spiral elevating sleeve in an inserting manner; and an upper end of the spiral elevating sleeve is fixedly connected to the middle of the lower surface of the projector bearing platform, the worm wheel shaft is installed on the upper surface of the installing platform through the worm wheel shaft sea, the worm wheel sleeves the worm wheel shaft, and the worm wheel is engaged with the worm. The manual elevating device is used in the English language teaching.
Description
Technical field
The utility model relates to a kind of manual hoisting device, is specifically related to projector manual hoisting device in a kind of English teaching.
Background technology
Projector is one of requisite teaching equipment in English teaching, and teacher is the short-movie of displaying English teaching and the picture that student is lively by projector.Existing projector is to be all placed on the desktop of arranging behind classroom by teacher in use, if height of projector, need to use not the pad such as books below projector to increase height, regulate so very trouble, and waste time and energy, get off adjusting time of light projector of a class just needs ten minutes more than.
Utility model content
The utility model regulates the height of projector to realize by increasing article in its bottom for solving in English teaching, regulates very trouble, and the problem wasting time and energy, and then proposes projector manual hoisting device in a kind of English teaching.
The utility model is to address the above problem the technical scheme of taking to be: the utility model comprises mounting platform, worm screw base, worm screw, spiral lifting sleeve, projector carrying platform, turbine, turboshaft and turboshaft bearing, mounting platform is horizontally disposed with, worm screw base is fixedly mounted on the middle part of mounting platform upper surface, the lower end of worm screw is arranged on worm screw base by bearing, the upper end of worm screw is inserted in the lower end of spiral lifting sleeve, and the madial wall of the lateral wall of worm screw upper end and spiral lifting sleeve lower end is threaded connection, the upper end of spiral lifting sleeve is fixedly connected with the middle part of projector carrying platform lower surface, turboshaft is arranged on the upper surface of mounting platform by turboshaft bearing, Cover For A Turbine is contained on turboshaft, turbine and worm mesh.
The beneficial effects of the utility model are: the utility model is by turbine and worm transmission, make the lifting stably of projector carrying platform, and then realize the lift adjustment of projector, in actual applications, the utility model can regulate the height of projector fast, saved the adjusting time of projector, improved efficiency of teaching, the anti-skidding platform of projector on projector carrying platform can effectively stop projector landing, avoided the damage of equipment, the utility model is simple in structure, easy to operate, is easy to carry.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1, described in present embodiment, in a kind of English teaching, projector manual hoisting device comprises mounting platform 1, worm screw base 2, worm screw 3, spiral lifting sleeve 4, projector carrying platform 5, turbine 6, turboshaft 7 and turboshaft bearing 8, mounting platform 1 is horizontally disposed with, worm screw base 2 is fixedly mounted on the middle part of mounting platform 1 upper surface, the lower end of worm screw 3 is arranged on worm screw base 2 by bearing, the upper end of worm screw 3 is inserted in the lower end of spiral lifting sleeve 4, and the madial wall of the lateral wall of worm screw 3 upper ends and spiral lifting sleeve 4 lower ends is threaded connection, the upper end of spiral lifting sleeve 4 is fixedly connected with the middle part of projector carrying platform 5 lower surfaces, turboshaft 7 is arranged on the upper surface of mounting platform 1 by turboshaft bearing 8, turbine 6 is sleeved on turboshaft 7, turbine 6 and worm screw 3 engagements.
Embodiment two: in conjunction with Fig. 1, present embodiment is described, in a kind of English teaching, the edge of projection carrying platform 5 upper surfaces of projector manual hoisting device is provided with the anti-skidding guardrail 9 of projector described in present embodiment.Other composition and annexation are identical with embodiment one.
Embodiment three: in conjunction with Fig. 1, present embodiment is described, in a kind of English teaching, projector manual hoisting device also comprises rocking handle 10 described in present embodiment, and one end of turboshaft 7 is connected with crank shaft 10.Other composition and annexation are identical with embodiment one or two.
Claims (3)
1. projector manual hoisting device in an English teaching, it is characterized in that: in described a kind of English teaching, projector manual hoisting device comprises mounting platform (1), worm screw base (2), worm screw (3), spiral lifting sleeve (4), projector carrying platform (5), turbine (6), turboshaft (7) and turboshaft bearing (8), mounting platform (1) is horizontally disposed with, worm screw base (2) is fixedly mounted on the middle part of mounting platform (1) upper surface, the lower end of worm screw (3) is arranged on worm screw base (2) by bearing, the upper end of worm screw (3) is inserted in the lower end of spiral lifting sleeve (4), and the madial wall of the lateral wall of worm screw (3) upper end and spiral lifting sleeve (4) lower end is threaded connection, the upper end of spiral lifting sleeve (4) is fixedly connected with the middle part of projector carrying platform (5) lower surface, turboshaft (7) is arranged on the upper surface of mounting platform (1) by turboshaft bearing (8), turbine (6) is sleeved on turboshaft (7), turbine (6) and worm screw (3) engagement.
2. projector manual hoisting device in a kind of English teaching according to claim 1, is characterized in that: the edge of projection carrying platform (5) upper surface is provided with the anti-skidding guardrail of projector (9).
3. according to projector manual hoisting device in a kind of English teaching described in claim 1 or 2, it is characterized in that: in described a kind of English teaching, projector manual hoisting device also comprises rocking handle (10), one end of turboshaft (7) is connected with crank shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754361.6U CN203561822U (en) | 2013-11-25 | 2013-11-25 | Manual elevating device for projector in English language teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754361.6U CN203561822U (en) | 2013-11-25 | 2013-11-25 | Manual elevating device for projector in English language teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203561822U true CN203561822U (en) | 2014-04-23 |
Family
ID=50511533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754361.6U Expired - Fee Related CN203561822U (en) | 2013-11-25 | 2013-11-25 | Manual elevating device for projector in English language teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203561822U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806546A (en) * | 2017-10-11 | 2018-03-16 | 侯翠侠 | A kind of digital film projector device |
| CN108379746A (en) * | 2018-05-04 | 2018-08-10 | 苏州国科盈睿医疗科技有限公司 | A kind of optical physiotherapeutic instrument convenient for adjusting |
| CN108597256A (en) * | 2018-06-11 | 2018-09-28 | 乔奕诚 | A kind of hanging plate apparatus for demonstrating that the classroom instruction of literal arts class is applicable |
-
2013
- 2013-11-25 CN CN201320754361.6U patent/CN203561822U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806546A (en) * | 2017-10-11 | 2018-03-16 | 侯翠侠 | A kind of digital film projector device |
| CN108379746A (en) * | 2018-05-04 | 2018-08-10 | 苏州国科盈睿医疗科技有限公司 | A kind of optical physiotherapeutic instrument convenient for adjusting |
| CN108379746B (en) * | 2018-05-04 | 2024-01-16 | 苏州国科盈睿医疗科技有限公司 | Optical physiotherapy instrument convenient to adjust |
| CN108597256A (en) * | 2018-06-11 | 2018-09-28 | 乔奕诚 | A kind of hanging plate apparatus for demonstrating that the classroom instruction of literal arts class is applicable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Nan Jing Inventor after: Wang Xiaoyu Inventor before: Wang Xiaoyu Inventor before: Nan Jing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG XIAOYU NAN JING TO: NAN JING WANG XIAOYU |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20141125 |
|
| EXPY | Termination of patent right or utility model |