CN107942608B

CN107942608B - Telescopic projector

Info

Publication number: CN107942608B
Application number: CN201711346939.3A
Authority: CN
Inventors: 张成春; 张晏维
Original assignee: Varidesk LLC
Current assignee: Varidesk LLC
Priority date: 2017-12-15
Filing date: 2017-12-15
Publication date: 2024-01-23
Anticipated expiration: 2037-12-15
Also published as: CN107942608A

Abstract

The invention relates to a telescopic projector, which comprises a shell with a film, wherein a projection device and a focusing device are arranged on the shell, the projection device is arranged on the shell and comprises a power panel and a light-emitting unit, a rotatable ripple unit is arranged on a rotating motor, the focusing device comprises a focusing motor, a protruding block and a sliding unit, the focusing motor is arranged on the shell, the protruding block is arranged and controlled by the focusing motor, and the sliding unit is arranged above the focusing motor.

Description

Telescopic projector

Technical Field

The present invention relates to a telescopic projector, and more particularly to a telescopic projector capable of projecting water fluctuation and making patterns clearly and vague.

Background

Most of the machines used for projecting patterns in the market are projectors, the existing projectors comprise a machine shell, a light-emitting unit, a rubber roll film, an adjusting ring and a lens element, the machine shell is provided with a projection opening, the light-emitting unit is arranged in the machine shell and corresponds to the projection opening, the rubber roll film is arranged in the machine shell and is positioned in front of the light-emitting unit, the adjusting ring is arranged in the machine shell and surrounds the projection opening, the lens element is arranged on the adjusting ring, when the projector projects a blurred pattern on a background, then a user adjusts the adjusting ring positioned at the projection opening of the projector, the adjusting ring can displace the lens element at the front end of the projection opening, the lens element can enable the imaged focal length to be moved to different positions, light projected by the projector can be focused on the background, the blurred pattern projected by the projector is converted into a clear pattern, and a viewer can clearly observe the blurred pattern.

However, after the existing projector is adjusted to the adjusting ring, when the blurred pattern is changed into a clear pattern, the position of the lens element is fixed and does not displace any more, then the projected pattern is also fixed and presents the same state, when the projector is used in holidays or parties, the ornamental effect of the pattern projected by the projector is dead and has no new meaning, and the problem that the visual impression of the ornamental person is tedious and funny and cannot be suitable for the holidays or parties with lively open is caused.

Disclosure of Invention

The invention aims to solve the technical problems that: the telescopic projector solves the problems that the prior projector is adjusted to a position which is not changed after the projected pattern is clear, and the ornamental effect of the pattern is dead, and the joy atmosphere of the occasion where the pattern can not be used is not activated, so that the visual sense of an observer is tedious and interesting.

The technical scheme of the invention is as follows: the telescopic projector includes one casing, one projector and one focusing device, and the casing includes one casing, one clamping board and one film.

The projection device is arranged on the shell and located in the running space, and is located at the rear of the film, and comprises a power panel and a light-emitting unit, wherein the power panel is arranged on the shell, and the light-emitting unit is arranged on the shell and electrically connected with the power panel.

The focusing device is arranged on the shell and is positioned in the running space, the focusing device is positioned on the front side of the projection device and is positioned in front of the film, the focusing device comprises a focusing motor, a protruding block and a sliding unit, the focusing motor is arranged on the shell and is electrically connected with the power panel, the protruding block is arranged and controlled by the focusing motor, the sliding unit is arranged on the shell and is positioned above the focusing motor, the sliding unit comprises a fixing seat, two fixing rails, a sliding plate, two resetting pieces, a lens ring and a lens element, the fixing seat is arranged on the shell, the fixing rails are arranged on two sides of the fixing seat, the sliding plate can be arranged on the fixing rails in a sliding mode, the sliding plate is provided with an opening, the protruding block extends into the opening, the resetting pieces are arranged on the fixing rails and are positioned between the sliding plate and the fixing seat, the lens ring is arranged on the sliding plate, and the lens element is arranged on the lens ring.

The projection device comprises a rotating motor, a rotating shaft and a ripple unit, wherein the rotating motor is arranged on the shell and is electrically connected with the power panel, the rotating shaft is arranged and controlled by the rotating motor, the ripple unit is arranged on the rotating shaft and comprises a driving ripple piece, a driving gear, a rotating gear, a driven gear and a driven ripple piece, the driving ripple piece is fixedly arranged on the rotating shaft, the driving gear is fixedly arranged on the rotating shaft, the rotating gear is rotatably arranged on the shell and is meshed with the driving gear, the driven gear is sleeved on the rotating shaft and is meshed with the rotating gear, and the driven ripple piece is sleeved on the rotating shaft and is fixedly connected with the driven gear.

As mentioned above, the bottom of the housing has a wire opening adjacent to the rear side of the housing, and the housing includes a wire button disposed on the housing and adjacent to the wire opening.

The telescopic projector as described above, the casing includes a supporting member, and the supporting member is disposed at the bottom of the casing.

The above-mentioned telescopic projector, the projection device includes a heat dissipation member, and the heat dissipation member is disposed on the housing and adjacent to the light-emitting unit.

The invention has the advantages that: the sliding plate is driven by the focusing motor to slide back and forth, and the rotating motor is driven by the rotating motor and matched with the rotating gear, so that the rotating direction of the passive corrugated sheet is opposite to that of the active corrugated sheet, and light projected by the light-emitting unit passes through the corrugated unit, the rubber roll sheet and the lens element to generate patterns with continuously changed corrugation and clear and fuzzy interaction change, thereby activating the joy atmosphere of holidays or gathering places and improving the enjoyment of visual impression of viewers.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a telescopic projector according to the present invention.

Fig. 2 is a perspective view of another view of a case of an embodiment of the telescopic projector according to the present invention in a disassembled state.

Fig. 3 is a schematic partial perspective view of a housing of an embodiment of the telescopic projector according to the present invention.

Fig. 4 is a schematic partial perspective view of a projection apparatus according to an embodiment of the invention.

Fig. 5 is a schematic partial perspective view of a focusing device of an embodiment of the telescopic projector according to the present invention.

Fig. 6 is a schematic side view of an embodiment of the telescopic projector of the present invention.

FIG. 7 is a schematic side view, partially in section, of a combination of an embodiment of a telescoping projector according to the present invention.

FIG. 8 is a schematic top view of a combined partial cross-section of an embodiment of a telescopic projector according to the present invention.

Reference numerals and signs

10 casing

11 shell body

12 splint

13 film roll

14 space of operation

15 projection port

16 wire port

17 line is detained

18 support

20 projection device

21 power panel

22 luminous unit

23 rotating electrical machine

24-spindle

25 corrugated unit

251 active corrugated sheet

252 driving gear

253 rotating gear

254 driven gear

255 passive corrugated sheet

26 radiator

30 focusing device

31 focusing motor

32 protruding block

33 sliding unit

331 fixing seat

332 fixed rail

333 sliding plate

334 reset piece

335 lens ring

336 lens element

34 open pore

Detailed Description

The technical means adopted by the invention to achieve the preset aim are further described below by matching with the drawings and the preferred embodiments of the invention.

Referring to fig. 1 to 3, an embodiment of a telescopic projector according to the present invention includes a housing 10, a projection device 20, and a focusing device 30.

The casing 10 comprises a casing 11, a clamping plate 12 and a film 13, wherein an operation space 14 is formed inside the casing 11, a projection opening 15 is formed on the front side of the casing 11, the clamping plate 12 is arranged on the casing 11 and is positioned in the operation space 14, the film 13 is arranged on the clamping plate 12 in a replaceable manner, wherein an electric wire opening 16 is formed at the bottom of the casing 11, the electric wire opening 16 is adjacent to the rear side of the casing 11, the casing 10 comprises a wire buckle 17, the wire buckle 17 is arranged on the casing 11 and is adjacent to the electric wire opening 16, further, the casing 10 comprises a supporting piece 18, and the supporting piece 18 is arranged at the bottom of the casing 11.

As shown in fig. 2 to 4, the projection device 20 is disposed in the housing 11 and is located in the operation space 14, and the projection device 20 is located at the rear of the film 13, the projection device 20 includes a power panel 21 and a light emitting unit 22, the power panel 21 is disposed in the housing 11, the light emitting unit 22 is disposed in the housing 11 and is electrically connected to the power panel 21, wherein the projection device 20 includes a rotating motor 23, a rotating shaft 24, a bellows unit 25 and a heat sink 26, the rotating motor 23 is disposed in the housing 11 and is electrically connected to the power panel 21, the rotating shaft 24 is disposed and is controlled by the rotating motor 23, the bellows unit 25 is disposed in the rotating shaft 24, the bellows unit 25 includes a driving bellows 251, a driving gear 252, a rotating gear 253, a driven bellows 254 and a driven bellows 255, the driving bellows 251 is fixedly disposed in the rotating shaft 24, the rotating gear 253 is rotatably disposed in the housing 11 and is engaged with the driven bellows unit 252 and is fixedly disposed in the rotating shaft 254 and is engaged with the driven bellows unit 255 and the rotating shaft 24.

As shown in fig. 2, 3 and 5, the focusing device 30 is disposed on the housing 11 and is located in the operating space 14, the focusing device 30 is located on the front side of the projection device 20 and is located in front of the film 13, the focusing device 30 includes a focusing motor 31, a protrusion block 32 and a sliding unit 33, the focusing motor 31 is disposed on the housing 11 and is electrically connected to the power board 21, the protrusion block 32 is disposed and controlled by the focusing motor 31, the sliding unit 33 is disposed on the housing 11 and is located above the focusing motor 31, the sliding unit 33 includes a fixing seat 331, two fixing rails 332, a sliding plate 333, two resetting members 334, a lens ring 335 and a lens element 336, the fixing seat 331 is disposed on the housing 11, the fixing rails are disposed on both sides of the fixing seat 331, the sliding plate 333 is slidably disposed across the fixing rails 332, the sliding plate 333 has an opening 34, the protrusion block 32 is disposed in the opening 34, the resetting member 334 is disposed on the lens ring 335 and the sliding member 336 is disposed on the fixing rails 335.

When the telescopic projector of the present invention is used, as shown in fig. 6 to 8, a user stretches an electric wire (not shown) into the casing 10 from the electric wire port 16 and connects the electric wire to the power board 21, the electric wire can be fixed on the wire button 17, the electric wire is used for supplying power to the power board 21 located in the operation space 14, the power board 21 converts alternating current into direct current and supplies the direct current to the rotating motor 23 of the projection device 20, the light emitting unit 22 and the focusing motor 31 of the focusing device 30, after the rotating motor 23 of the projection device 20 is powered on, the rotating motor 23 drives the rotating shaft 24 to rotate, the active corrugated sheet 251 of the corrugated unit 25 is also driven to rotate, the driving gear 252 drives the rotating gear 253 to rotate, the rotating gear 253 drives the driven gear 254, and the rotating direction of the driven gear 254 is opposite to the rotating direction of the driving gear 252, and the driving gear 254 drives the driven gear 254 to rotate the corrugated sheet 255 to rotate through the driving gear 255 and the driving unit 255 and the driving corrugated sheet 255 and the driving unit 255 is driven by the driving gear 255 and the driving corrugated sheet 255.

In the above description, after the focusing motor 31 of the focusing device 30 is energized, the protruding block 32 is driven to rotate, the protruding block 32 and the reset piece 334 interact to enable the sliding plate 333 to slide back and forth, the sliding plate 333 drives the lens ring 335 to slide back and forth, the lens element 336 is far away from the clamping plate 12 and is close to the clamping plate 12, the light passing through the film 13 passes through the lens element 336, the clear and fuzzy pattern is projected from the projection opening 15, and the dynamic ripple change of the projected pattern background is achieved by the rotation direction of the passive ripple piece 255 being opposite to the rotation direction of the active ripple piece 251, so that the effect of clear and fuzzy interaction of the dynamically changing ripple and pattern is achieved.

When the telescopic projector of the present invention is used, the rotation direction of the passive corrugated sheet 255 is opposite to the rotation direction of the active corrugated sheet 251 by the cooperation of the rotating motor 23 and the rotating gear 253, and the sliding plate 333 is driven to slide back and forth by the focusing motor 31, so that the light projected by the light emitting unit 22 passes through the corrugated unit 25, the film 13 and the lens element 336 to generate a pattern with continuously variable corrugation and clear and fuzzy interaction change, thereby activating the joy atmosphere in holidays or gathering occasions and improving the enjoyment of the visual perception of viewers.

The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. A telescopic projector, the telescopic projector comprising:

the shell comprises a shell body, a clamping plate and a film, wherein an operation space is formed in the shell body, a projection opening is formed in the front side of the shell body, the clamping plate is arranged in the shell body and positioned in the operation space, and the film is arranged in the clamping plate in a removable mode;

the projection device is arranged on the shell and positioned in the running space, and is positioned behind the film, and comprises a power panel and a light-emitting unit, wherein the power panel is arranged on the shell, and the light-emitting unit is arranged on the shell and is electrically connected with the power panel;

the focusing device is arranged on the shell and is positioned in the running space, the focusing device is positioned on the front side of the projection device and is positioned in front of the film, the focusing device comprises a focusing motor, a protruding block and a sliding unit, the focusing motor is arranged on the shell and is electrically connected with the power panel, the protruding block is arranged and is controlled by the focusing motor, the sliding unit is arranged on the shell and is positioned above the focusing motor, the sliding unit comprises a fixed seat, two fixed rails, a sliding plate, two reset pieces, a lens ring and a lens element, the fixed seat is arranged on the shell, the fixed rails are arranged on two sides of the fixed seat, the sliding plate can be arranged on the fixed rails in a sliding mode, the sliding plate is provided with an opening, the protruding block is stretched into the opening, the reset piece is arranged on the fixed rail and is positioned between the sliding plate and the fixed seat, the lens is arranged on the sliding plate in a ring, and the lens element is arranged on the lens ring; wherein,

2. The telescopic projector according to claim 1, wherein the bottom of the housing has an electrical port adjacent to the rear side of the housing, and the housing includes a button disposed on the housing adjacent to the electrical port.

3. The telescopic projector according to claim 1 or 2, wherein the housing comprises a support member, the support member being disposed at the bottom of the housing.

4. The telescopic projector according to claim 1 or 2, wherein the projection device comprises a heat sink, and the heat sink is disposed on the housing and adjacent to the light emitting unit.

5. The telescopic projector according to claim 3, wherein the projection device includes a heat sink, and the heat sink is disposed on the housing and adjacent to the light emitting unit.