CN212719446U - Novel stage projection slide show - Google Patents
Novel stage projection slide show Download PDFInfo
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- CN212719446U CN212719446U CN202021772914.7U CN202021772914U CN212719446U CN 212719446 U CN212719446 U CN 212719446U CN 202021772914 U CN202021772914 U CN 202021772914U CN 212719446 U CN212719446 U CN 212719446U
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Abstract
The utility model discloses a novel stage projection slide show, which comprises a base, wherein lamp holders are symmetrically arranged on the base, and the lamp holders are fixedly arranged on the base; a projection slide capable of adjusting a projection angle is arranged between the lamp holders, the projection slide comprises a lamp shell and a lamp cap, a laser generator is arranged in the lamp shell, the lamp cap is installed on the laser generator, a dynamic image is conveniently generated by using a laser imaging technology, and the dynamic image is enlarged and projected onto a backdrop through the lamp cap; the lamp is characterized in that rotating shafts are symmetrically and fixedly arranged at two ends of the outer part of the lamp shell, the rotating shafts are movably arranged in shaft grooves, the shaft grooves are formed in the inner sides of the lamp holders, and a certain gap is reserved between the rotating shafts and the shaft grooves, so that the rotating shafts can rotate in the shaft grooves conveniently; a positioning mechanism is arranged between the rotating shaft and the lamp holder, so that the adjusted projection angle of the landscape projector can be conveniently fixed; be provided with heat dissipation mechanism in the lamp body, be convenient for distribute away the heat that laser generator during operation produced.
Description
Technical Field
The utility model relates to a projecting slide show, in particular to a novel stage projecting slide show.
Background
A scene slide show (View slide movie cast) is a scene projection device which generates a required background on a backdrop by a slide show projection method; the backdrop of the stage adopts the projecting slide projector to form the backdrop background, which is flexible and convenient and has good artistic effect; because the background projected on the awning is generally a cloudy blue sky, a sunward canxia, a green mountain tree and the like, the lines are rough, and the color contrast is clear, the objective has certain aberration, but the artistic effect is not influenced. Background slides may use 2 kilowatt or 3 kilowatt tungsten halogen lamps as the light source.
With the development of economy and the continuous improvement of living standard of people, people often watch large-scale singing meetings or other activities, and at the stage, a scene projector is indispensable, at present, the existing common stage imaging scene projector can only project single static patterns, cannot project dynamic images, needs to use some higher-end equipment like a multimedia digital image lamp and the like to project dynamic images, has complex operation and high operation cost, and is not suitable for being used in some small-scale places; because the stage projector slide in the prior art can only project a single static pattern, the stage projector slide is fixedly installed, so that the angle of the projected light is inconvenient to adjust, and workers can spend a large amount of time to adjust the angle of the stage projector slide.
Therefore, the inventor provides a novel stage projection slide show by combining various factors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel stage is thrown scene slide show to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a novel stage projection slide show comprises a base, wherein lamp holders are symmetrically arranged on the base, and the lamp holders are fixedly arranged on the base; a projection slide capable of adjusting a projection angle is arranged between the lamp holders, the projection slide comprises a lamp shell and a lamp cap, a laser generator is arranged in the lamp shell, the lamp cap is installed on the laser generator, a dynamic image is conveniently generated by using a laser imaging technology, and the dynamic image is enlarged and projected onto a backdrop through the lamp cap; rotating shafts are symmetrically and fixedly installed at two ends of the outer part of the lamp shell, the rotating shafts are movably installed in shaft grooves, the shaft grooves are formed in the inner side of the lamp holder, a certain gap is reserved between the rotating shafts and the shaft grooves, and the rotating shafts can conveniently rotate in the shaft grooves so as to adjust the projection angle of the landscape projector; a positioning mechanism is arranged between the rotating shaft and the lamp holder, so that the adjusted projection angle of the landscape projector can be conveniently fixed, and the reduction of the projection effect caused by the change of the projection angle can be prevented; be provided with heat dissipation mechanism in the lamp body, be convenient for distribute away the heat that laser generator during operation produced, reduce the temperature in the lamp body in order to guarantee laser generator normal operating.
When in work: firstly, placing the projection slide at a proper position through the base, then adjusting the projection angle of the projection slide by rotating the rotating shaft in the shaft groove, and fixing the adjusted projection angle of the projection slide through the positioning mechanism; then starting a laser generator, generating a dynamic image by using a laser imaging technology, and amplifying and projecting the dynamic image onto a backdrop through a lamp holder; finally, the heat generated by the laser generator during working is dissipated through the heat dissipation mechanism, and the temperature in the lamp shell is reduced to ensure the normal operation of the laser generator.
As a further aspect of the present invention: positioning mechanism includes bearing and card strip, bearing fixed mounting is in the inboard pivot top of left side lamp stand, the card strip is through round pin axle movable mounting on the bearing, the horizontal fixed mounting in card strip top left side has the press board, press board below fixed mounting has the spring, spring bottom fixed mounting is at the lamp stand top, is convenient for will press the board jack-up that makes progress.
As a further aspect of the present invention: the left rotating shaft is provided with a plurality of clamping grooves in the axial side face, and the clamping strips are movably connected in the clamping grooves in a jacking mode, so that the position of the rotating shaft is convenient to limit, and the rotating shaft is prevented from moving in the shaft groove.
As a further aspect of the present invention: the heat dissipation mechanism comprises a motor, the motor is mounted inside the lamp housing through a support frame in a suspension mode, fan blades are arranged at the front end of the motor and are movably connected to the motor through an output shaft, and heat generated by the laser generator in the lamp housing during working is conveniently dissipated.
As a further aspect of the present invention: the fan blades are arranged in the through holes in the rear of the lamp housing, the periphery of each through hole is covered with a dust cover, and the dust covers are fixedly arranged in the rear of the lamp housing and are convenient to prevent dust from entering the lamp housing.
As a further aspect of the present invention: the bottom of the base is provided with a thick rubber pad, the rubber pad is convenient for reducing vibration on a stage, and the projection picture is prevented from shaking due to vibration of the projection slide show.
As a further aspect of the present invention: the leather pads are arranged in the gaps between the rotating shaft and the shaft groove, so that the friction force of the rotating shaft in the shaft groove is increased conveniently, and the change of the projection angle of the projection slide projector caused by the excessive sliding of the rotating shaft in the shaft groove is prevented.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides a novel stage is thrown scene slide show, the structure sets up ingenious and arranges rationally, the utility model discloses well is thrown scene slide show and places in appropriate position through the base, then through making the pivot at the shaft groove internal rotation in order to adjust the projection angle of throwing scene slide show, the projection angle of the scene slide show of accomplishing will be adjusted passes through positioning mechanism and fixes, has the function of adjusting and the projection angle of fixed scene slide show.
2. The utility model discloses be provided with heat dissipation mechanism in the lamp body of further design, be convenient for distribute away the heat that laser generator during operation produced, reduce the temperature in the lamp body in order to guarantee laser generator normal operating.
3. The utility model discloses install the leather packing in the pivot of further design and the clearance of shaft groove, the leather packing is convenient for increase the frictional force of pivot in the shaft groove, prevents that the pivot from leading to the projection angle change of projection illusion because of too sliding in the shaft groove.
4. The utility model discloses the flabellum setting of further design is in the through-hole of lamp body rear, and the peripheral cover of through-hole has connect the dust cover, and dust cover fixed mounting is convenient for prevent that the dust from getting into in the lamp body in lamp body rear.
Drawings
Fig. 1 is a schematic structural diagram of a novel stage projection slide show.
Fig. 2 is a rear view of a novel stage projector slide.
Fig. 3 is a side sectional view of a positioning mechanism in a novel stage projector slide.
Fig. 4 is a side sectional view of the lamp housing in the novel stage projector slide.
In the figure: 1. a base; 2. a lamp socket; 3. a lamp housing; 4. a lamp cap; 5. a rotating shaft; 6. a support frame; 7. clamping the strip; 8. a pressing plate; 9. a spring; 10. a bearing; 11. a pin shaft; 12. a card slot; 13. a fan blade; 14. a shaft groove; 141. a gap; 15. a laser generator; 16. a motor; 17. an output shaft; 18. a dust cover.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, a novel stage projector comprises a base 1, wherein lamp holders 2 are symmetrically arranged on the base 1, and the lamp holders 2 are fixedly mounted on the base 1; a projection slide capable of adjusting a projection angle is arranged between the lamp holders 2, the projection slide comprises a lamp shell 3 and a lamp cap 4, a laser generator 15 is arranged in the lamp shell 3, the lamp cap 4 is installed on the laser generator 15, a dynamic image is conveniently generated by using a laser imaging technology, and the dynamic image is enlarged and projected onto a backdrop through the lamp cap 4; the rotating shafts 5 are symmetrically and fixedly installed at two ends of the outer part of the lamp shell 3, the rotating shafts 5 are movably installed in the shaft grooves 14, the shaft grooves 14 are formed in the inner side of the lamp holder 2, a certain gap 141 is reserved between the rotating shafts 5 and the shaft grooves 14, and the rotating shafts 5 can conveniently rotate in the shaft grooves 14 so as to adjust the projection angle of the projection slide projector; a positioning mechanism is arranged between the rotating shaft 5 and the lamp holder 2, so that the adjusted projection angle of the landscape projector can be conveniently fixed, and the reduction of the projection effect caused by the change of the projection angle can be prevented; the heat dissipation mechanism is arranged in the lamp shell 3, so that heat generated by the laser generator 15 during working can be dissipated conveniently, and the temperature in the lamp shell 3 is reduced to ensure the normal operation of the laser generator 15; the positioning mechanism comprises a bearing 10 and a clamping strip 7, the bearing 10 is fixedly arranged above the rotating shaft 5 on the inner side of the left lamp holder 2, the clamping strip 7 is movably arranged on the bearing 10 through a pin shaft 11, a pressing plate 8 is transversely and fixedly arranged on the left side of the top of the clamping strip 7, a spring 9 is fixedly arranged below the pressing plate 8, and the bottom of the spring 9 is fixedly arranged on the top of the lamp holder 2, so that the pressing plate 8 can be jacked upwards conveniently; a plurality of clamping grooves 12 are formed in the axial side face of the left rotating shaft 5, and the clamping strips 7 are movably abutted in the clamping grooves 12, so that the position of the rotating shaft 5 is limited conveniently, and the rotating shaft 5 is prevented from moving in the shaft groove 14; the heat dissipation mechanism comprises a motor 16, the motor 16 is mounted in the lamp housing 3 in a suspended manner through a support frame 6, fan blades 13 are arranged at the front end of the motor 16, and the fan blades 13 are movably connected to the motor 16 through an output shaft 17, so that heat generated by the laser generator 15 in the lamp housing 3 during working can be conveniently dissipated; the fan blades 13 are arranged in the through holes at the rear of the lamp shell 3, the periphery of the through holes is covered with a dust cover 18, and the dust cover 18 is fixedly arranged at the rear of the lamp shell 3, so that dust is prevented from entering the lamp shell 3; the bottom of the base 1 is provided with a thicker rubber pad which is convenient for reducing the vibration on the stage and preventing the projection picture from shaking caused by the vibration of the projecting slide; a leather pad is arranged in a gap 141 between the rotating shaft 5 and the shaft groove 14, and is convenient for increasing the friction force of the rotating shaft 5 in the shaft groove 14, so that the change of the projection angle of the projection slide projector caused by the excessive sliding of the rotating shaft 5 in the shaft groove 14 is prevented.
The utility model discloses a theory of operation is: when the projector works, firstly, the projection slide is placed at a proper position through the base 1, the pressing plate 8 is pressed downwards by a hand, the pressing plate 8 extrudes the spring 9 downwards, the clamping strip 7 rotates around the pin shaft 11, the upper end of the clamping strip 7 is pressed downwards, the bottom end of the clamping strip 7 is tilted upwards, then the projection angle of the projection slide is adjusted by rotating the rotating shaft 5 in the shaft groove 14, the pressing plate 8 is loosened by the hand, the clamping strip 7 rebounds around the pin shaft 11, the bottom of the clamping strip 7 is clamped in the clamping groove 12 of the rotating shaft 5, the position of the rotating shaft 5 is limited, and the projection angle of the projection slide is prevented from changing due to the fact that the rotating shaft 5 moves in the shaft groove 14; then starting a laser generator 15, generating a dynamic image by using a laser imaging technology, and amplifying and projecting the dynamic image onto a backdrop through a lamp cap 4; finally, the motor 16 in the heat dissipation mechanism drives the fan blades 13 to rotate so as to dissipate heat generated by the laser generator 15 during working, and the temperature in the lamp housing 3 is reduced so as to ensure the normal operation of the laser generator 15.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A novel stage projection slide show comprises a base (1) and is characterized in that lamp holders (2) are symmetrically arranged on the base (1), and the lamp holders (2) are fixedly arranged on the base (1); a projection slide capable of adjusting a projection angle is arranged between the lamp holders (2), the projection slide comprises a lamp shell (3) and a lamp cap (4), a laser generator (15) is arranged in the lamp shell (3), and the lamp cap (4) is installed on the laser generator (15); the lamp is characterized in that rotating shafts (5) are symmetrically and fixedly installed at two ends of the outer part of the lamp shell (3), the rotating shafts (5) are movably installed in shaft grooves (14), the shaft grooves (14) are formed in the inner side of the lamp holder (2), and a certain gap (141) is reserved between each rotating shaft (5) and each shaft groove (14); a positioning mechanism is arranged between the rotating shaft (5) and the lamp holder (2); and a heat dissipation mechanism is arranged in the lamp shell (3).
2. A novel stage projector as claimed in claim 1, wherein the positioning mechanism comprises a bearing (10) and a clip strip (7), the bearing (10) is fixedly mounted above the rotating shaft (5) inside the left lamp holder (2), the clip strip (7) is movably mounted on the bearing (10) through a pin (11), a pressing plate (8) is transversely and fixedly mounted on the left side of the top of the clip strip (7), a spring (9) is fixedly mounted below the pressing plate (8), and the bottom of the spring (9) is fixedly mounted on the top of the lamp holder (2).
3. A novel stage projector as claimed in claim 2, wherein the left rotary shaft (5) is provided with a plurality of slots (12) on the axial side, and the clip strips (7) are movably connected in the slots (12).
4. A novel stage projector as claimed in claim 1, wherein the heat dissipation mechanism comprises a motor (16), the motor (16) is suspended inside the lamp housing (3) through a support frame (6), a fan blade (13) is arranged at the front end of the motor (16), and the fan blade (13) is movably connected to the motor (16) through an output shaft (17).
5. A novel stage projector as claimed in claim 4, wherein the fan blades (13) are arranged in through holes at the rear of the lamp housing (3), dust covers (18) are covered at the periphery of the through holes, and the dust covers (18) are fixedly arranged at the rear of the lamp housing (3).
6. A novel stage projector as claimed in any one of claims 1 to 5, wherein the bottom of the base (1) is provided with a thicker rubber pad.
7. A novel stage projector as claimed in any one of claims 1 to 5, wherein a leather pad is installed in the gap (141) between the shaft (5) and the shaft groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772914.7U CN212719446U (en) | 2020-08-24 | 2020-08-24 | Novel stage projection slide show |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021772914.7U CN212719446U (en) | 2020-08-24 | 2020-08-24 | Novel stage projection slide show |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212719446U true CN212719446U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021772914.7U Active CN212719446U (en) | 2020-08-24 | 2020-08-24 | Novel stage projection slide show |
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| Country | Link |
|---|---|
| CN (1) | CN212719446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383074A (en) * | 2022-01-21 | 2022-04-22 | 北京悦米科技有限公司 | Multifunctional intelligent desk lamp |
-
2020
- 2020-08-24 CN CN202021772914.7U patent/CN212719446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383074A (en) * | 2022-01-21 | 2022-04-22 | 北京悦米科技有限公司 | Multifunctional intelligent desk lamp |
| CN114383074B (en) * | 2022-01-21 | 2023-11-10 | 北京悦米科技有限公司 | Multifunctional intelligent table lamp |
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