TWM550522U - Projection module - Google Patents

Description

Projection module

The present invention relates to a projection module, and more particularly to a projection module installed inside a support base.

In a conventional support for supporting a display device, a projection module is disposed on the base of the support base, and when the power of the display device is turned on, power is transmitted to the projection module, so that the projection module can be Projecting a projected image on the work surface increases the visual effect of the display support frame.

However, the above-mentioned projection module is fixed in the support base and cannot be replaced and cannot be adjusted. Therefore, when the support is operated, the projection module can project an image only in a fixed direction, and the visual effect is thin.

In view of this, the present invention provides a novel projection module whose projection angle is adjustable, allowing the user to change the angle of the projection and provide different visual effects.

In order to achieve the above purpose, the present invention provides a projection module disposed on a support base. The projection module includes a first fixing member disposed in the support base; a knob includes a transmission shaft, one end of the transmission shaft is rotatably mounted on the first fixing member, and is partially exposed a projection device configured to project an image outwardly between a first projection angle and a second projection angle, and includes a shaft body, one end of the shaft body being rotatably mounted to the first fixing member And a first belt body, sleeved on the transmission shaft and the shaft body; wherein the first shaft body is rotated by rotating the knob to drive the first belt body to drive the first shaft body Synchronous rotation, so that the projection device can be stopped between the first projection angle and the second projection angle.

In a preferred embodiment, the first fixing member comprises a first carrier plate, the first carrier plate has a first shaft hole and a second shaft hole, and the first shaft hole is provided at one end of the transmission shaft Rotatablely disposed thereon; and the second shaft hole provides one end of the shaft body rotatably disposed thereon.

In a preferred embodiment, the support base includes a housing, and the housing includes a first opening, and the projection device projects an image outward from the first opening. And the outer casing further comprises a second opening, the knob being partially exposed outside the support seat from the second opening.

In a preferred embodiment, the drive shaft and the shaft body respectively have an uneven surface.

In a preferred embodiment, the projection module further includes a second fixing member, the first fixing member is symmetrically disposed on the support base, and includes a second carrier plate, the second carrier plate has a a first shaft hole and a second shaft hole, the first shaft hole is rotatably disposed on the other end of the transmission shaft; and the second shaft hole is rotatably disposed at the other end of the shaft body On it. The projection module further includes a second belt sleeve sleeved on the other end of the transmission shaft and the other end of the shaft body.

In a preferred embodiment, the projection module further includes a circuit board and a signal line. The circuit board is disposed on the first fixing component, and the signal line is connected to the circuit board and the projection device to provide The projection device.

In a preferred embodiment, the circuit board includes a signal input connector and a signal output connector, the signal input connector is connected to the support base, and the signal output connector is connected to the projection device by the signal line, the support A signal provided by the seat can be transmitted to the projection device through the signal input connector, the signal output connector, and the signal line. In a preferred embodiment, the signal is a power signal for supplying power to the projection module.

Those skilled in the art can readily appreciate other advantages and effects of the present disclosure from the disclosure herein. It should be noted that the following drawings are simplified schematic diagrams. The number, shape and size of components in the drawings can be changed arbitrarily according to actual implementation conditions, and the component layout state can be more complicated. The present invention can also be implemented or applied by various other specific embodiments. The details of the present specification can also be modified and changed without departing from the spirit of the present invention.

First, please refer to the projection module 1000 shown in FIG. 1 . The projection module 1000 is disposed on the support base 2000 of a display 3000 and simultaneously refers to the perspective view of the projection module 1000 illustrated in FIG. 2 . The projection module 1000 mainly includes a first fixing component 1, a second fixing component 2, a knob 3, a projection device 4, a first tape body 5, a second tape body 6, and a circuit board 7. And a casing 8. The housing 8 is formed with a first opening 81, a second opening 82, and an accommodating space 83, wherein the first fixing member 1, the second fixing member 2, the portion of the knob 3, and the portion of the projection device The first tape body 5, the second tape body 6, and the respective components of the circuit board 7 are disposed in the accommodating space 83. The projection device 4 can project an image to the first opening 81. The second opening 82 is an elongated opening, and the knob 3 is partially exposed from the second opening 82 to the outside of the support base 2000, so that the user can rotate the knob 3 to adjust the The projection angle of the projection device 4.

Then, the first fixing member 1 and the second fixing member 2 are oppositely disposed inside the supporting base 2000, and the first fixing member 1 includes a first The carrier plate 11 has a first shaft hole 111 and a second shaft hole 112. The second fixing member 2 includes a second bearing plate 21 having a first shaft hole 211 and a second shaft hole 212. The first carrier plate 11 and the second carrier plate 21 correspond to each other, and the first shaft hole 111 and the second shaft hole 112 of the first fixing member 1 are sequentially connected to the second fixing member 2 The first shaft hole 211 and the second shaft hole 212 are correspondingly formed. In the embodiment, the first fixing member 1 and the second fixing member 2 are mutually locked. As shown in FIG. 3, the first fixing member 1 and the second fixing member 2 respectively comprise a lock corresponding to each other. The fixing plates 12 and 22 and the lower locking plates 13 and 23 may be assembled with each other or by a screw; and the lower locking plates 13 and 23 may be combined with each other. Match or lock with a screw. Furthermore, the first fixing member 1 and the second fixing member 2 further have a first connecting plate 14 and a second connecting plate 24 connected to the supporting base 2000, and the first connecting plate 14 is formed with a first A second screw hole 241 is formed in a screw hole 141 and the second connecting plate 24, so that the first connecting plate 14 and the second connecting plate 24 can be locked to the supporting base by a plurality of screws. Inside of 2000. Furthermore, the first fixing member 1 and the second fixing member 2 have a first supporting plate 15 and a second supporting plate 25 corresponding to each other in order to provide the circuit board 7 thereon.

However, in other implementations, the shapes of the first fixing member 1 and the second fixing member 2 are not limited to those illustrated in FIG. 3, and the structure of the supporting base 2000 and the projection effect to be achieved are visible. And design. For example, in the first fixing member 1, the relative position and shape between the first carrier plate 11, the upper locking plate 12, the lower locking plate 13, the connecting plate 14, and the supporting plate 15 There is no particular limitation on the size, or any of the above components can be omitted, as long as the first fixing member 1 can provide the knob 3 and the projection device 4 is disposed thereon, and can be fixed inside the support base. That is, the second fixing member 2 is identical to the first fixing member 1.

The knob 3 includes a transmission shaft 31. One end of the transmission shaft 31 is rotatably disposed on the second shaft hole 112 of the first fixing member 1, and the other end of the transmission shaft 31 is rotatably worn. The second shaft hole 212 of the second fixing member 2 is disposed on the second shaft hole 212. The projection device 4 includes a shaft body 41. One end of the shaft body 41 is rotatably disposed on the first shaft hole 111 of the first fixing member 1, and the other end of the shaft body 41 is rotatably worn. The first shaft hole 211 of the second fixing member 2 is disposed on the first shaft hole 211.

The first belt body 5 is an endless belt that surrounds the transmission shaft 31 on the same side and one end of the shaft body 41 such that the first belt body 5 is tightly sleeved on the transmission shaft 31 and the shaft. On body 41. In addition, the second belt body 6 is also an endless belt, which surrounds the transmission shaft 31 on the other side and the shaft body 41, so that the second belt body 6 is tightly sleeved on the other side. The drive shaft 31 and the shaft body 41. In addition, the drive shaft 31 and the end of the shaft body 41 have an uneven surface to increase the friction between the first belt body 5 and the second belt body 6.

In another embodiment, the projection module can include a first fixing member 1, a knob 3, a projection device 4, a first strap 5, and a circuit board 7, that is, only The component on one side is required, and the drive shaft 31 of the knob 3 and the shaft body 41 of the projection device 4 can be appropriately rotated and disposed on the other side. In this embodiment, when the knob 3 is rotated, the projection device 4 can be synchronously rotated by the first belt 5 to adjust the projection angle of the projection device 4.

The circuit board 7 includes a signal input connector 71 and a signal output connector 72. The signal input connector 71 is connected to the display device on the support base 2000 or the support base 2000, and receives various components from the support base 2000 or the display device. Signal. Then, the circuit board 7 further includes a signal line 73 connected to the signal output connector 72 and the projection device 4 to transmit signals from the support base 2000 or the display device to the projection device 4.

In the embodiment, the signal line 73 is a power signal line for providing power to the projection device 4. In other implementations, the signal line 73 can transmit a video signal to the projection device 4 in addition to the power signal to control the projected image of the projection device 4.

In this embodiment, when the projection angle of the projection device 4 is to be changed, the user can rotate the exposed knob 3 outside the support base 2000. When the knob 3 rotates, the two ends of the drive shaft 31 are respectively dialed. Moving the first belt body 5 and the second belt body 6 such that a relative displacement between the first belt body 5 and the transmission shaft 31 is generated; and a relative displacement between the second belt body 6 and the transmission shaft 31 is also generated. Displacement, then, the first belt body 5 and the second belt body 6 respectively transmit rotational power to both ends of the shaft body 41, so that the shaft body 41 rotates, thereby changing the inclination angle of the projection device 4 (eg As shown in FIG. 4, since the first opening 81 is a continuous elongated opening, a part of the opening surface faces upward, and a part of the opening surface faces the horizontal direction. Therefore, the projection device 4 can be as shown in FIG. The first projection angle is projected at various angles between the second projection angle shown in FIG. 6. The first projection angle shown in FIG. 5 is close to the working surface by approximately 90 degrees, that is, the image is projected toward the ceiling, and the second projection angle shown in FIG. 6 is close to the working surface by 0 degrees, that is, the horizontal projection image.

In another embodiment, referring to FIG. 7 , the outer casing 8 may further include a third opening 84 opening in a horizontal direction, and at this time, the first opening 81 is an opening facing upward, as shown in FIG. 7 . Show. In this case, the projection device 4 is switchable between a first projection angle and a second projection angle.

In the present invention, the projection device 4 can be various projection devices known in the art, for example, having a light source and a projection film, the light source illuminating the projection film can project the graphic on the projection film to the outside; or For example, a pico projector directly projects an image to the outside.

In addition, in the present creation, the support seat is not particularly limited, and may be any support frame in the field, as long as there is enough space to accommodate the projection module, and the projection module is disposed on The position in the support base is also not particularly limited and may be determined according to the position to be projected.

1000‧‧‧Projection Module
2000‧‧‧ support
3000‧‧‧ display
1‧‧‧First fixture
11, 21‧‧‧ carrier board
111, 112‧‧‧ shaft hole
12, 22‧‧‧Locking plate
13, 23‧‧‧Unlocking plate
14, 24‧‧‧Connecting board
141, 241‧‧ ‧ screw holes
15, 25‧‧‧ support plate
2‧‧‧Second fixture
211, 212‧‧‧ shaft hole
3‧‧‧ knob
31‧‧‧ drive shaft
4‧‧‧Projection device
41‧‧‧Axis body
5‧‧‧First belt
6‧‧‧Second belt
7‧‧‧ boards
71‧‧‧Signal input connector
72‧‧‧Signal output connector
73‧‧‧Signal line
8‧‧‧ Shell
81‧‧‧First opening
82‧‧‧second opening
83‧‧‧ accommodating space
84‧‧‧ third opening

1 is a perspective view of a projection module, a support base, and a display of an embodiment of the present invention. FIG. 2 is a perspective view of a projection module according to an embodiment of the present invention. FIG. 3 is an exploded view of a projection module according to an embodiment of the present invention. FIG. 4 is a schematic diagram of the operation of the projection module according to an embodiment of the present invention. FIG. 5 is a schematic diagram of the operation of the projection module according to an embodiment of the present invention. FIG. 6 is a schematic diagram of the operation of the projection module according to an embodiment of the present invention. 7 is a perspective view of a projection module, a support base, and a display of another embodiment of the present invention.

1000‧‧‧Projection Module

1‧‧‧First fixture

11, 21‧‧‧ carrier board

2‧‧‧Second fixture

3‧‧‧ knob

31‧‧‧ drive shaft

4‧‧‧Projection device

41‧‧‧Axis body

5‧‧‧First belt

6‧‧‧Second belt

7‧‧‧ boards

71‧‧‧Signal input connector

72‧‧‧Signal output connector

73‧‧‧Signal line

Claims (10)

A projection module is disposed on a support base and includes: a first fixing member disposed in the support base; a knob including a transmission shaft, wherein one end of the transmission shaft is rotatably mounted on the first fixing member And a portion of the projection device is configured to project an image outwardly between a first projection angle and a second projection angle, and includes a shaft body Provided on the first fixing member; and a first belt body sleeved on the transmission shaft and the shaft body; wherein the first transmission shaft is rotated and the first belt body is linked by rotating the knob The first shaft body is synchronously rotated, so that the projection device can be stopped between the first projection angle and the second projection angle. The projection module of claim 1, wherein the first fixing member comprises a first carrier plate, the first carrier plate has a first shaft hole and a second shaft hole, the first axis The hole is rotatably disposed on one end of the drive shaft; and the second shaft hole provides one end of the shaft body rotatably disposed thereon. The projection module of claim 1, wherein the support base comprises a casing, the casing comprises a first opening, and the projection device projects an image outward from the first opening. The projection module of claim 3, wherein the outer casing further comprises a second opening, the knob being partially exposed from the second opening outside the support seat. The projection module of claim 3, wherein the transmission shaft and the shaft body respectively have an uneven surface. The projection module of claim 2, further comprising a second fixing member, the first fixing member is symmetrically disposed on the support base, and includes a second carrier plate, the second carrier plate has a first shaft hole for rotatably passing the other end of the transmission shaft, and a second shaft hole for rotatably passing the other end of the shaft body Set on it. The projection module of claim 6, further comprising a second strap disposed on the other end of the drive shaft and the other end of the shaft. The projection module of any one of the preceding claims, further comprising a circuit board and a signal line, the circuit board is disposed on the first fixing component, and the signal wire is connected to the circuit board And the projection device to provide the projection device. The projection module of claim 8, wherein the circuit board comprises a signal input connector and a signal output connector, wherein the signal input connector is connected to the support base, and the signal output connector is connected by the signal line Connected to the projection device, a signal provided by the support base can be transmitted to the projection device through the signal input connector, the signal output connector, and the signal line. The projection module of claim 9, wherein the signal is a power signal.