CN203825350U - Anti-theft projector mounting rack - Google Patents
Anti-theft projector mounting rack Download PDFInfo
- Publication number
- CN203825350U CN203825350U CN201320871440.5U CN201320871440U CN203825350U CN 203825350 U CN203825350 U CN 203825350U CN 201320871440 U CN201320871440 U CN 201320871440U CN 203825350 U CN203825350 U CN 203825350U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- projector
- pillar
- drive motor
- antitheft
- 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 provides an anti-theft projector mounting rack and belongs to the field of teaching instruments. The mounting rack structurally comprises a mounting seat. The lower surface of the mounting seat is provided with two corresponding columns. The columns are connected together through a connecting face. A drive motor and a crank and connecting rod structure are arranged outside one column. A decelerator is mounted on the drive motor. One end of a crank of the crank and connecting rod structure is mounted on the output shaft of the decelerator. A mounting plate is arranged on the column corresponding to the drive motor and hinged with the column. One end of a connecting rod of the crank and connecting rod structure is hinged with the back part of the mounting plate. Compared with mounting racks in the prior art, the mounting rack of the utility model is characterized by being reasonable in design, simple in structure, and convenient to use, and by being anti-theft and anti-pollution.
Description
Technical field
The utility model relates to teaching equipment field, specifically a kind of antitheft projector erecting frame.
Background technology
Projector You Cheng projector is a kind ofly image or video can be projected to the equipment on curtain.Projector is widely used in family, office, school and public place of entertainment.At the indoor projector of teaching, be to be mostly arranged on the ceiling of classroom by projector frame, but existing projector frame mostly structure is comparatively simple, projector is all outside exposed, so, indoor dust especially chalk powder can have a strong impact on the use of projector, and exposed projector also becomes the object being stolen; The angle of projector is mostly fixed, and for different screen positions, the level angle of projector can not regulate.
utility model content
Technical assignment of the present utility model is for the deficiencies in the prior art, and a kind of reasonable in design, antitheft projector erecting frame that result of use is good is provided.
The utility model solves the technical scheme that its technical matters adopts:
A kind of antitheft projector erecting frame, comprise mount pad, the lower surface of described mount pad is provided with two groups of corresponding pillars, between pillar, by joint face, be connected together, outer drive motor and the brace and connecting rod framework of being provided with of one group of pillar therein, speed reduction unit is installed on drive motor, and crank one end of described brace and connecting rod framework is arranged on the output shaft of speed reduction unit; On the pillar of corresponding drive motor, be provided with installing plate hinged with its one end, the connecting rod other end of aforementioned brace and connecting rod framework and the back of installing plate are hinged.
Described a kind of antitheft projector erecting frame, described in it, the length of installing plate is greater than two groups of distances between pillar.
Described a kind of antitheft projector erecting frame, described in it, joint face is that several crossbeams form, the distance between every crossbeam is less than 5 centimetres.
Described a kind of antitheft projector erecting frame, described in it, joint face is that square panel forms.
Described a kind of antitheft projector erecting frame, its lower end at another group pillar is provided with touch switch, and aforementioned installing plate is corresponding with touch switch.
Compared with prior art, the beneficial effect producing is the utility model:
The utlity model has the features such as reasonable in design, simple in structure, easy to use, function admirable, practicality, while being use, can adjust the angle of projector and level, in the time of obsolete, can be packed in specific framework, both avoided projector to be subject to the especially invasion of chalk dust of dust, can prevent again that the direct exposed situation that is easy to be stolen that causes outside of projector from occurring.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment 1;
Accompanying drawing 2 is structural representations of the utility model embodiment 2.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail below.
Embodiment 1, as shown in Figure 1, antitheft projector erecting frame of the present utility model, its structure comprises mount pad 1, the lower surface of described mount pad 1 is provided with two groups of corresponding pillars 9, between pillar 9, by joint face, be connected together, described joint face is that several crossbeams 7 form, and the distance between every crossbeam 7 is 4 centimetres.Outer drive motor 2 and the brace and connecting rod framework of being provided with of one group of pillar 9, is provided with speed reduction unit on drive motor 2 therein, and crank 4 one end of described brace and connecting rod framework are arranged on the output shaft of speed reduction unit 3; On the pillar 9 of corresponding drive motor 2, be provided with installing plate 6 hinged with its one end, connecting rod 5 other ends of aforementioned brace and connecting rod framework and the back of installing plate 6 are hinged.The length of described installing plate 6 is greater than two groups of distances between pillar 9.Lower end at another group pillar 9 is provided with touch switch 8, and touch switch is connected with drive motor 2, and aforementioned installing plate 6 is corresponding with touch switch 8, and when installing plate is closed, touch switch starts, and drive motor quits work.
Embodiment 2, as shown in Figure 2, and antitheft projector erecting frame of the present utility model, its structure comprises mount pad 1, the lower surface of described mount pad 1 is provided with two groups of corresponding pillars 9, between pillar 9, by joint face, is connected together, and described joint face is that square panel 10 forms.Outer drive motor 2 and the brace and connecting rod framework of being provided with of one group of pillar 9, is provided with speed reduction unit on drive motor 2 therein, and crank 4 one end of described brace and connecting rod framework are arranged on the output shaft of speed reduction unit 3; On the pillar 9 of corresponding drive motor 2, be provided with installing plate 6 hinged with its one end, connecting rod 5 other ends of aforementioned brace and connecting rod framework and the back of installing plate 6 are hinged.The length of described installing plate 6 is greater than two groups of distances between pillar 9.Lower end at another group pillar 9 is provided with touch switch 8, and touch switch is connected with drive motor 2, and aforementioned installing plate 6 is corresponding with touch switch 8, and when installing plate is closed, touch switch starts, and drive motor quits work.
Antitheft its processing and fabricating of projector erecting frame of the present utility model is simple and convenient, processing and fabricating shown in by specification accompanying drawing.
Except the technical characterictic described in instructions, be those skilled in the art's known technology.
Claims (5)
1. an antitheft projector erecting frame, comprise mount pad, the lower surface that it is characterized in that described mount pad is provided with two groups of corresponding pillars, between pillar, by joint face, be connected together, outer drive motor and the brace and connecting rod framework of being provided with of one group of pillar therein, speed reduction unit is installed on drive motor, and crank one end of described brace and connecting rod framework is arranged on the output shaft of speed reduction unit; On the pillar of corresponding drive motor, be provided with installing plate hinged with its one end, the connecting rod other end of aforementioned brace and connecting rod framework and the back of installing plate are hinged.
2. a kind of antitheft projector erecting frame according to claim 1, is characterized in that the length of described installing plate is greater than two groups of distances between pillar.
3. a kind of antitheft projector erecting frame according to claim 1 and 2, is characterized in that described joint face is that several crossbeams form, and the distance between every crossbeam is less than 5 centimetres.
4. a kind of antitheft projector erecting frame according to claim 1 and 2, is characterized in that described joint face is that square panel forms.
5. a kind of antitheft projector erecting frame according to claim 2, is characterized in that being provided with touch switch in the lower end of another group pillar, and aforementioned installing plate is corresponding with touch switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871440.5U CN203825350U (en) | 2013-12-27 | 2013-12-27 | Anti-theft projector mounting rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320871440.5U CN203825350U (en) | 2013-12-27 | 2013-12-27 | Anti-theft projector mounting rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825350U true CN203825350U (en) | 2014-09-10 |
Family
ID=51480830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320871440.5U Expired - Fee Related CN203825350U (en) | 2013-12-27 | 2013-12-27 | Anti-theft projector mounting rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588298A (en) * | 2017-07-19 | 2018-01-16 | 西安电子科技大学 | A kind of new azimuth pitch motion mounting |
| CN112046412A (en) * | 2020-09-16 | 2020-12-08 | 柳州银联电子科技有限公司 | Intelligent AI monitoring equipment based on slag car material stealing prevention |
-
2013
- 2013-12-27 CN CN201320871440.5U patent/CN203825350U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588298A (en) * | 2017-07-19 | 2018-01-16 | 西安电子科技大学 | A kind of new azimuth pitch motion mounting |
| CN112046412A (en) * | 2020-09-16 | 2020-12-08 | 柳州银联电子科技有限公司 | Intelligent AI monitoring equipment based on slag car material stealing prevention |
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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 |
Granted publication date: 20140910 Termination date: 20151227 |
|
| EXPY | Termination of patent right or utility model |