CN202141885U - Projector protective umbrella - Google Patents
Projector protective umbrella Download PDFInfo
- Publication number
- CN202141885U CN202141885U CN201120272994U CN201120272994U CN202141885U CN 202141885 U CN202141885 U CN 202141885U CN 201120272994 U CN201120272994 U CN 201120272994U CN 201120272994 U CN201120272994 U CN 201120272994U CN 202141885 U CN202141885 U CN 202141885U
- Authority
- CN
- China
- Prior art keywords
- projector
- umbrella
- spring
- protective umbrella
- 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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- Overhead Projectors And Projection Screens (AREA)
Abstract
The present utility model relates to a projector auxiliary device, especially to a projector protective umbrella. The projector protective umbrella comprises a projector body, and the projector protective umbrella is characterized in that the projector body is connected with a supporting rod, and an umbrella surface is arranged on the middle part of the supporting rod. When the projector is not in use, the projector can be protected from being polluted by dust, and the use of the projector will not obstructed. The protective umbrella is simple in structure, practical and convenient, and has large market prospects.
Description
(1) technical field
The utility model relates to a kind of projector servicing unit, particularly a kind of projector umbrella.
(2) background technology
Along with continuous progress in science and technology, projector is increasing to be used in the process such as teaching teaching.The use of projector brings very big facility not only for preparing lessons of teacher, also Students'learning has been brought huge help.But projector is exposed in the outside air, is easy to receive effect of dust in the air; Dust of long duration can cover on the projector from level to level; Not only can influence the result of use of projector, also can cause certain infringement projector, thus the serviceable life of reduction projector.Therefore, in order to address this problem, designed a kind of projector umbrella.
(3) summary of the invention
The utility model is in order to remedy the deficiency of prior art, provides a kind of moment protection projector not receive contamination by dust, projector umbrella simple to operate.
The utility model is realized through following technical scheme:
A kind of projector umbrella comprises the projector body, it is characterized in that: said projector body is connected with support bar, and the support bar centre position is provided with umbrella cover.
The utility model improvement further is:
Said umbrella cover top is equipped with spring A, and spring A is provided with switch A; The umbrella cover below is provided with spring B, and spring B is provided with switch B.
The beneficial effect of the utility model is: can protect it not by contamination by dust when projector does not use, also not hinder its use.Simple in structure, practical and convenient, very big market outlook are arranged.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is the structural representation of the utility model;
Among the figure, 1 projector body, 2 support bars, 3 umbrella covers, 4 spring A, 5 switch A, 6 spring B, 7 switch B.
(5) embodiment
Accompanying drawing is a kind of specific embodiment of the utility model.This embodiment comprises projector body 1, it is characterized in that: said projector body 1 is connected with support bar 2, and support bar 2 centre positions are provided with umbrella cover 3.The utility model improvement further is: said umbrella cover 3 tops are equipped with spring A4, and spring A4 is provided with switch A5; Umbrella cover 3 belows are provided with spring B 6, and spring B 6 is provided with switch B7.
Adopt the projector umbrella of the utility model, when using projector body 1, in the switch B7 income support bar 2, under the effect of spring B 6, umbrella cover 3 rises, and spring A4 is compressed, and is stuck on the switch A5.When using, in the switch A5 income support bar 2, under the effect of spring A4, umbrella cover 3 is opened downwards, and spring B 6 is compressed, and is stuck on the switch B7, has protected the projector body 1 can be by contamination by dust.
Claims (2)
1. a projector umbrella comprises projector body (1), it is characterized in that: said projector body (1) is connected with support bar (2), and support bar (2) centre position is provided with umbrella cover (3).
2. projector umbrella according to claim 1 is characterized in that: said umbrella cover (3) top is equipped with spring A (4), and spring A (4) is provided with switch A (5); Umbrella cover (3) below is provided with spring B (6), and spring B (6) is provided with switch B (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120272994U CN202141885U (en) | 2011-07-29 | 2011-07-29 | Projector protective umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120272994U CN202141885U (en) | 2011-07-29 | 2011-07-29 | Projector protective umbrella |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202141885U true CN202141885U (en) | 2012-02-08 |
Family
ID=45552939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120272994U Expired - Fee Related CN202141885U (en) | 2011-07-29 | 2011-07-29 | Projector protective umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202141885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125483A (en) * | 2016-08-31 | 2016-11-16 | 成都锦泰铂锐科技有限公司 | A kind of anti-falling type projector |
-
2011
- 2011-07-29 CN CN201120272994U patent/CN202141885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125483A (en) * | 2016-08-31 | 2016-11-16 | 成都锦泰铂锐科技有限公司 | A kind of anti-falling type projector |
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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: 20120208 Termination date: 20120729 |