CN203658719U - Automatic remote-control opening and closing lens cover of ceiling projector - Google Patents
Automatic remote-control opening and closing lens cover of ceiling projector Download PDFInfo
- Publication number
- CN203658719U CN203658719U CN201320873525.7U CN201320873525U CN203658719U CN 203658719 U CN203658719 U CN 203658719U CN 201320873525 U CN201320873525 U CN 201320873525U CN 203658719 U CN203658719 U CN 203658719U
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- Prior art keywords
- runner
- lens cap
- automatic remote
- lens cover
- remote control
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Abstract
The utility model relates to an automatic remote-control opening and closing lens cover of a ceiling projector. The automatic remote-control opening and closing lens cover of the ceiling projector includes a control circuit, a driving structure and a lens cover, wherein the lens cover comprises a front cover, a rotating wheel and a rear cover; upright columns are arranged on the front cover; two sides of the front cover are symmetrically provided with front cover fixing lugs; circular holes are formed in blades; the blades are mounted on the upright columns through the circular holes; rubber band holes and pin circular holes are formed in pushing rods; a rubber band penetrates the rubber band holes; pins mounted in the pin circular holes are connected with rotating wheel fixing holes in a matched manner; the rotating wheel fixing holes are formed in the rotating wheel; two sides of the rotating wheel are symmetrically provided with rotating wheel push rods; an upper part of the rotating wheel is provided with the rear cover. Joint control can be realized through temperature control and remote control, and therefore, use can be convenient, and the opening and closing of the lens cover can be controlled in a remote manner, and operation is flexible; fast opening and closing can be realized, such that projection light can be blocked or transmitted, and therefore, fast switching between projection and writing can be realized. The automatic remote-control opening and closing lens cover of the ceiling projector has the advantages of simple structure and low manufacturing cost. The automatic remote-control opening and closing lens cover can be arranged in the projector, and therefore, a small space is occupied by the lens cover.
Description
Technical field
The utility model relates to a kind of lens cover of projector, a kind of ceiling projecting apparatus automatic remote control specifically opens and closes lens cap.
Background technology
At present, projector is widely used in education activities, and due to projector bulb feature, opening and closing all need certain stand-by period.In the time that projector is worked, projection ray's direct projection, on blackboard, now, is write on blackboard, does not see writing on the blackboard content; If close projector, writing on the blackboard by the time reuses projector while end, need to wait for a period of time, and affects teaching process; It is fixed that the projector that teaching is used is generally furred ceiling, blocks projection ray have certain difficulty by manual use object.
Summary of the invention
The utility model, for solving the problems of the technologies described above, provides the automatic remote control of a kind of ceiling projecting apparatus to open and close lens cap, thereby realize, ceiling projecting apparatus's camera lens is closed to the object of blocking and opening automatically.
To achieve these goals, the utility model is by the following technical solutions:
Provide the automatic remote control of a kind of ceiling projecting apparatus to open and close lens cap, comprised control circuit, drives structure and lens cap, described lens cap comprises protecgulum, runner and bonnet, is provided with column on protecgulum, and protecgulum symmetria bilateralis is provided with the fixing ear of protecgulum; Blade is provided with circular hole, and described blade pass is crossed circular hole and is arranged on column; Push rod is provided with bungee circular hole and pin circular hole, and bungee is through on bungee circular hole; Pin and runner fixed orifice that pin circular hole is installed are connected, and described runner fixed orifice is located on runner; Be provided with runner push rod in runner symmetria bilateralis, on runner top, bonnet be installed.
Wherein, the column that described protecgulum is provided with is consistent with blade quantity, and blade is triangular structure, and described vane group is combined as circular configuration.
Wherein, described control circuit comprises temp control switch circuit and remote control circuit.
Wherein, described temp control switch circuit is provided with temp control switch, and described remote control circuit is provided with teleswitch, and temp control switch and teleswitch are connected in series.
Wherein, described lens cap also comprises the driving runner of drives structure, drives driven by rotating wheel blade rotary.
Wherein, described driving mechanism is connected with runner push rod, drives runner to rotate.
The beneficial effects of the utility model: realize co-controlling by temperature control and remote control control, when projector is opened, lens cap is opened automatically, and when projector cuts out, lens cap is closed automatically, easy to use, remote control control lens cap is opened with closed, and work is flexibly; Opening and closing fast, realize and block and see through projection ray, reach the effect that projection and writing on the blackboard are switched fast; There is simple in structure, low cost of manufacture, while being built in projector, take up space little.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The assembling general structure schematic diagram that Fig. 1 provides for the utility model embodiment;
The exploded perspective view that Fig. 2 provides for the utility model embodiment;
The front-cover structure schematic diagram that Fig. 3 provides for the utility model embodiment;
The blade construction schematic diagram that Fig. 4 provides for the utility model embodiment;
The push rod structure schematic diagram that Fig. 5 provides for the utility model embodiment;
The rotaring wheel structure schematic diagram that Fig. 6 provides for the utility model embodiment;
The runner part-structure schematic diagram that Fig. 7 provides for the utility model embodiment;
In figure, 0. lens cap, 1. protecgulum, 2. blade, 3. push rod, 4. bungee, 5. pin, 6. runner, 7. bonnet, 8. column, 9. circular hole, 10. bungee circular hole, 11. pin circular holes, 12. runner push rods, 13. runner fixed orifices, 14. protecgulums are fixed ear.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should understand these embodiment is for the utility model being described instead of limiting scope of the present utility model.The implementation condition adopting in embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Please refer to Fig. 1 to Fig. 7, the assembling general structure schematic diagram that Fig. 1 provides for the utility model embodiment; The exploded perspective view that Fig. 2 provides for the utility model embodiment; The front-cover structure schematic diagram that Fig. 3 provides for the utility model embodiment; The blade construction schematic diagram that Fig. 4 provides for the utility model embodiment; The push rod structure schematic diagram that Fig. 5 provides for the utility model embodiment; The rotaring wheel structure schematic diagram that Fig. 6 provides for the utility model embodiment; The runner part-structure schematic diagram that Fig. 7 provides for the utility model embodiment.
In a kind of specific embodiment, provide the automatic remote control of a kind of ceiling projecting apparatus to open and close lens cap, comprised control circuit, drives structure and lens cap 0, described lens cap 0 comprises protecgulum 1, runner 6 and bonnet 7, on protecgulum 1, be provided with column 8, protecgulum 1 symmetria bilateralis is provided with the fixing ear 14 of protecgulum; Blade 2 is provided with circular hole 9, and described blade 2 is arranged on column 8 by circular hole 9; Push rod 3 is provided with bungee circular hole 10 and pin circular hole 11, and bungee 4 is through on bungee circular hole 10; Pin 5 and runner fixed orifice 13 that pin circular hole 11 is installed are connected, and described runner fixed orifice 13 is located on runner 6; Be provided with runner push rod 12 in runner 6 symmetria bilateralis, on runner 6 tops, bonnet 7 be installed.
Concrete, the column 8 that described protecgulum 1 is provided with is consistent with blade 2 quantity, blade 2 is triangular structure, and described blade 2 is combined as circular configuration, in the time blocking projector light, blade 2 stretches out in protecgulum 1, the blade of composition circular configuration, thus realize the light that blocks projector, do not needing to close under the prerequisite of projector, block projector light, easy to use.
Further, described control circuit comprises temp control switch circuit and remote control circuit, and lens cap 0 is normally off, and in the time that projector is opened, temp control switch induction bulb temperature, opens lens cap 0; In projector opening, by remote control control lens cap 0 switch; In the time that projector cuts out, temp control switch induction bulb temperature, closes lens cap 0; The controlled circuit control of described drives structure, drives lens cap to open and closure, and as can be seen here, deficiency will, by closing projector, open and close by remote control control lens cap 0, easy to operate, save time.
Further, described temp control switch circuit is provided with temp control switch, and temp control switch is arranged near projector bulb; Described remote control circuit is provided with teleswitch, and teleswitch is arranged on the control panel of dais, and temp control switch and teleswitch are connected in series.
Further, described lens cap 0 also comprises the driving runner of drives structure, drives driven by rotating wheel blade 2 to rotate, and reaches the object of blade open and close.
Further, described driving mechanism is connected with runner push rod 12, drives runner 6 to rotate, and blade 2 is scattered, and while opening circuit, runner push rod 12, under the elastic force effect of bungee 4, makes blade 2 closures.
Finally it should be noted that the only restriction for the technical solution of the utility model is described but not to the utility model protection domain of above embodiment.Although the utility model is explained in detail with reference to preferred embodiment, those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement the technical solution of the utility model, and do not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. ceiling projecting apparatus's automatic remote control opens and closes lens cap, comprise control circuit, drives structure and lens cap (0), described lens cap (0) comprises protecgulum (1), runner (6) and bonnet (7), it is characterized in that: on protecgulum (1), be provided with column (8), protecgulum (1) symmetria bilateralis is provided with the fixing ear (14) of protecgulum; Blade (2) is provided with circular hole (9), and described blade (2) is arranged on column (8) by circular hole (9); Push rod (3) is provided with bungee circular hole (10) and pin circular hole (11), and bungee (4) is through on bungee circular hole (10); The pin (5) that pin circular hole (11) is installed is connected with runner fixed orifice (13), and described runner fixed orifice (13) is located on runner (6); Be provided with runner push rod (12) in runner (6) symmetria bilateralis, on runner (6) top, bonnet (7) be installed.
2. a kind of ceiling projecting apparatus according to claim 1 automatic remote control opens and closes lens cap, it is characterized in that: the column (8) that described protecgulum (1) is provided with is consistent with blade (2) quantity, blade (2) is triangular structure, and described blade (2) is combined as circular configuration.
3. a kind of ceiling projecting apparatus according to claim 1 automatic remote control opens and closes lens cap, it is characterized in that: described control circuit comprises temp control switch circuit and remote control circuit.
4. a kind of ceiling projecting apparatus according to claim 3 automatic remote control opens and closes lens cap, it is characterized in that: described temp control switch circuit is provided with temp control switch, described remote control circuit is provided with teleswitch, and temp control switch and teleswitch are connected in series.
5. a kind of ceiling projecting apparatus according to claim 1 automatic remote control opens and closes lens cap, it is characterized in that: described lens cap (0) also comprises the driving runner of drives structure, drives driven by rotating wheel blade (2) rotation.
6. open and close lens cap according to a kind of ceiling projecting apparatus automatic remote control described in any one claim in claim 1-5, it is characterized in that: described driving mechanism is connected with runner push rod (12), drive runner (6) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320873525.7U CN203658719U (en) | 2013-12-28 | 2013-12-28 | Automatic remote-control opening and closing lens cover of ceiling projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320873525.7U CN203658719U (en) | 2013-12-28 | 2013-12-28 | Automatic remote-control opening and closing lens cover of ceiling projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203658719U true CN203658719U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320873525.7U Expired - Fee Related CN203658719U (en) | 2013-12-28 | 2013-12-28 | Automatic remote-control opening and closing lens cover of ceiling projector |
Country Status (1)
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| CN (1) | CN203658719U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375370A (en) * | 2014-12-03 | 2015-02-25 | 王鲁旭 | Blackboard-writing projector mechanism for teaching |
| CN104464392A (en) * | 2014-12-03 | 2015-03-25 | 中国计量学院 | Control method of writing blackboard projection device for teaching |
| CN109031862A (en) * | 2018-08-28 | 2018-12-18 | 张超 | A kind of outdoor projection instrument |
| CN109413308A (en) * | 2018-10-12 | 2019-03-01 | 马鞍山市科泰电气科技有限公司 | A kind of high temperature monitoring camera protective device |
-
2013
- 2013-12-28 CN CN201320873525.7U patent/CN203658719U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375370A (en) * | 2014-12-03 | 2015-02-25 | 王鲁旭 | Blackboard-writing projector mechanism for teaching |
| CN104464392A (en) * | 2014-12-03 | 2015-03-25 | 中国计量学院 | Control method of writing blackboard projection device for teaching |
| CN104375370B (en) * | 2014-12-03 | 2016-08-03 | 王鲁旭 | Teaching board book projection arrangement |
| CN109031862A (en) * | 2018-08-28 | 2018-12-18 | 张超 | A kind of outdoor projection instrument |
| CN109413308A (en) * | 2018-10-12 | 2019-03-01 | 马鞍山市科泰电气科技有限公司 | A kind of high temperature monitoring camera protective device |
| CN109413308B (en) * | 2018-10-12 | 2021-01-01 | 马鞍山市科泰电气科技有限公司 | High-temperature monitoring lens protection device |
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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: 20140618 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |