CN213780622U

CN213780622U - Laser projector convenient to go up and down

Info

Publication number: CN213780622U
Application number: CN202120058614.0U
Authority: CN
Inventors: 沈立; 许武
Original assignee: Jiangxi Shiding Technology Co ltd
Current assignee: Jiangxi Shiding Technology Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-07-23
Anticipated expiration: 2031-01-11

Abstract

The utility model provides a laser projector convenient to lift, which belongs to the technical field of projectors and comprises a mounting plate, wherein the upper end of the mounting plate is fixedly connected with a support column, the upper end of the support column is fixedly connected with a shell, the lower inner wall of the shell is rotatably connected with four second rotating shafts, the circumferential surfaces of the four second rotating shafts are all fixedly connected with first gears, the lower inner wall of the shell is rotatably connected with a first rotating shaft, the first rotating shaft movably penetrates through the upper end of the shell, the circumferential surface of the first rotating shaft is fixedly connected with a second gear, the second gear is meshed with one of the first gears, the circumferential surfaces of the four first gears are meshed and connected with a rack, the upper end of the first rotating shaft is fixedly connected with a servo motor, the upper end of the servo motor is fixedly connected with the lower end of a fixed plate, the four second rotating shafts movably penetrate through the upper end of the shell, and a laser fluorescent powder light source is adopted, the bulb does not need to be replaced, and the maintenance cost of the device is reduced.

Description

Laser projector convenient to go up and down

Technical Field

The utility model belongs to the technical field of the projecting apparatus, concretely relates to laser projector convenient to go up and down.

Background

A projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and may be connected to a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals, and the light source used by the projector includes a conventional high-intensity gas discharge light source (e.g., an ultra-high pressure mercury lamp, a short arc xenon lamp, a metal halide lamp) and a novel light source represented by an LED light source and a laser light source. The conventional light source projector generally makes the projected image darken and turn yellow (such as brightness attenuation, color saturation contrast reduction and the like) along with the attenuation of the emergent light of the light source after being used for a period of time, and in a use occasion with higher requirements on image quality, even if the bulb still emits light, the bulb has to be replaced accordingly. The light attenuation is a major obstacle that cannot be overcome by the conventional light source. With the development of semiconductor lighting technology and laser technology, LED light sources and laser light sources have been rapidly developed in the lighting field and widely applied in the display field. The LED is the earliest product used for the projector in a novel light source, and because the LED can enable the imaging structure of the projector to be simpler, the projector product which is smaller in size, easy to carry and simple to use brings great convenience to teaching, business and personal entertainment. Meanwhile, the laser is used as a brand new projection light source, the defects of a projector using the traditional light source in the aspects of brightness attenuation, color, power consumption and the like are overcome, and the laser has the characteristic of being on and on as the laser belongs to a cold light source, so that the phenomena of waiting for starting and stable light emission of the traditional light source are fundamentally eliminated.

However, most of the existing projectors are hung, the hanging installation is fixed by using a bracket, and the fixed parts only have a fixing effect and cannot adjust the height of the projector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laser projector convenient to go up and down aims at solving the problem of the projecting apparatus altitude mixture control among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

a laser projector convenient to lift comprises a mounting plate, wherein the upper end of the mounting plate is fixedly connected with a support column, the upper end of the support column is fixedly connected with a shell, the lower inner wall of the shell is rotatably connected with four second rotating shafts, the circumferential surfaces of the four second rotating shafts are all fixedly connected with first gears, the lower inner wall of the shell is rotatably connected with a first rotating shaft, the upper end of the shell is movably penetrated through the first rotating shaft, the circumferential surface of the first rotating shaft is fixedly connected with a second gear, the second gear is meshed with one of the first gears, the circumferential surfaces of the four first gears are meshed with a rack, the upper end of the first rotating shaft is fixedly connected with a servo motor, the upper end of the servo motor is fixedly connected with the lower end of a fixed plate, the four second rotating shafts are all movably penetrated through the upper end of the shell, and the upper ends of the four second rotating shafts are all fixedly connected, four equal threaded connection of lead screw has the lead screw cover, four the upper end fixedly connected with fixed plate of lead screw cover, two L shape fixture blocks of upper end fixedly connected with of fixed plate, two the upper end of L shape fixture block has all seted up two circular slots, four the lower extreme of circular slot has all seted up threaded hole, two the joint has the projecting apparatus main part between the L shape fixture block, four thread grooves have been seted up to the upper end of projecting apparatus main part, threaded connection has the screw between screw hole and the thread groove.

As an optimized scheme of the utility model, solid fixed ring has been seted up to the upper end of casing, solid fixed ring's upper end has seted up the ring channel.

As an optimized scheme of the utility model, the lower extreme fixedly connected with ring block of fixed plate, and ring block swing joint is in the ring channel.

As an optimized scheme, the upper end fixedly connected with controller of casing, and controller and servo motor electric connection.

As an optimized proposal, the upper end of the mounting plate is provided with a plurality of mounting holes.

As an optimal scheme, the first fixture block of upper end fixedly connected with of casing, the lower extreme fixedly connected with second fixture block of fixed plate.

As an optimized scheme of the utility model, two locating pieces of the upper end fixedly connected with of fixed plate.

As an optimized proposal, the bulb installed in the mounting plate adopts a laser phosphor light source.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the projector needs to be adjusted in height, when the device is fixed on a ceiling, the device is electrified, a signal can be sent to the controller through the remote controller matched with the projector, the controller controls the servo motor to start, so that the output end of the servo motor rotates, the output end of the servo motor rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the second gear to rotate, the second gear rotates to drive one of the first gears to rotate, the rack rotates due to the rotation of the first gear, other first gears rotate due to the rotation of the rack, so that the screw rod rotates, the screw rod sleeve pushes the fixing plate to be lifted due to the rotation of the screw rod, the first clamping block and the second clamping block limit the lifting distance between the shell and the fixing plate, when the projector is adjusted to a proper position, the remote controller sends a signal to the controller, and controlling the servo motor to be closed by the controller, and finally completing the height adjustment of the projector.

2. Adopt ultrashort burnt camera lens, can throw out big picture by the short distance, the annular piece is favorable to blockking the dust, prevent inside the dust entering device, make the life of device longer and more pleasing to the eye, the locating piece is favorable to the position of fixed projecting apparatus main part, makes thread groove and screw hole correspond, convenience of customers' installation adopts laser phosphor powder light source, need not replace the bulb, has reduced the maintenance cost of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

fig. 3 is a perspective sectional view of the present invention;

FIG. 4 is a top sectional view of a first perspective of the present invention;

fig. 5 is a top sectional view of a second three-dimensional structure of the present invention.

In the figure: 1. mounting a plate; 2. mounting holes; 3. a housing; 4. a fixing ring; 5. a fixing plate; 6. an L-shaped fixture block; 7. a screw; 8. a projector main body; 9. positioning blocks; 10. a circular groove; 11. a support pillar; 12. an annular groove; 13. a ring block; 14. a rack; 15. a screw rod sleeve; 16. a servo motor; 17. a controller; 18. a first clamping block; 19. a second fixture block; 20. a screw rod; 21. a first gear; 22. a second gear; 23. a first rotating shaft; 24. a second rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-5, the technical solution provided in this embodiment is as follows:

a laser projector convenient to lift comprises a mounting plate 1, wherein the upper end of the mounting plate 1 is fixedly connected with a support column 11, the upper end of the support column 11 is fixedly connected with a shell 3, the lower inner wall of the shell 3 is rotatably connected with four second rotating shafts 24, the circumferential surfaces of the four second rotating shafts 24 are fixedly connected with first gears 21, the lower inner wall of the shell 3 is rotatably connected with a first rotating shaft 23, the first rotating shaft 23 movably penetrates through the upper end of the shell 3, the circumferential surface of the first rotating shaft 23 is fixedly connected with a second gear 22, the second gear 22 is meshed with one of the first gears 21, the circumferential surfaces of the four first gears 21 are meshed with a rack 14, the upper end of the first rotating shaft 23 is fixedly connected with a servo motor 16, the upper end of the servo motor 16 is fixedly connected with the lower end of a fixed plate 5, the four second rotating shafts 24 movably penetrate through the upper end of the shell 3, the upper ends of the four second rotating shafts 24 are fixedly connected with a screw rod 20, four equal threaded connection of lead screw 20 have lead screw cover 15, four upper end fixedly connected with fixed plate 5 of lead screw cover 15, two L shape fixture blocks 6 of upper end fixedly connected with of fixed plate 5, two circular slots 10 have all been seted up to the upper end of two L shape fixture blocks 6, threaded hole has all been seted up to the lower extreme of four circular slots 10, the joint has projecting apparatus main part 8 between two L shape fixture blocks 6, four thread grooves have been seted up to the upper end of projecting apparatus main part 8, threaded connection has screw 7 between screw hole and the thread groove.

In the embodiment of the present invention, the mounting plate 1 facilitates the installation of the device, the housing 3 facilitates the rotation of the second rotating shaft 24 and the first rotating shaft 23, the fixing plate 5 facilitates the fixing of the L-shaped fixture block 6, the L-shaped fixture block 6 facilitates the opening of the circular groove 10, the screw 7 facilitates the fixing of the projector main body 8 and the L-shaped fixture block 6, the projector main body 8 is a conventional art, which is not described in detail, the circular groove 10 facilitates the opening of the threaded hole, the supporting post 11 facilitates the fixing of the housing 3, the annular groove 12 facilitates the sliding connection of the annular block 13, the rack 14 facilitates the rotation of the first gear 21, the screw rod sleeve 15 facilitates the threaded connection of the screw rod 20, the servo motor 16 provides power for the device, the servo motor 16 can select different models according to actual needs, for example, the servo motor 16 with model number TCHV32-1500-3-10S is selected, the servo motor 16, for those skilled in the art, the servo motor 16 is prior art, and will not be described in detail, the lead screw 20 facilitates the lead screw sleeve 15 to push the fixing plate 5 to move, the first gear 21 facilitates the rotation of the second rotating shaft 24, the second gear 22 facilitates the rotation of the first gear 21, the first rotating shaft 23 facilitates the rotation of the second gear 22, and the second rotating shaft 24 facilitates the fixing of the first gear 21 and the lead screw 20.

Specifically, referring to fig. 3, the upper end of the housing 3 is provided with a fixing ring 4, and the upper end of the fixing ring 4 is provided with an annular groove 12.

In the embodiment of the present invention, the fixing ring 4 facilitates the fixing of the ring groove 12, and the ring groove 12 facilitates the sliding connection of the ring block 13.

Specifically, referring to fig. 3, the lower end of the fixing plate 5 is fixedly connected with a ring block 13, and the ring block 13 is movably connected in the ring groove 12.

In the embodiment of the present invention, the ring block 13 is favorable to block dust, preventing the dust from entering the inside of the device, and making the service life of the device longer and more beautiful.

Specifically, referring to fig. 4, the upper end of the housing 3 is fixedly connected to a controller 17, and the controller 17 is electrically connected to the servo motor 16.

The utility model discloses an in the embodiment, the upper end fixedly connected with controller 17 of casing 3, and controller 17 and servo motor 16 electric connection, controller 17 are prior art, do not do too much to describe repeatedly.

Specifically, referring to fig. 1, a plurality of mounting holes 2 are formed at the upper end of the mounting plate 1.

The utility model discloses an in the embodiment, mounting hole 2 is favorable to the installation of device, the installer's of being convenient for operation.

Specifically, referring to fig. 4, a first latch 18 is fixedly connected to the upper end of the housing 3, and a second latch 19 is fixedly connected to the lower end of the fixing plate 5.

In the embodiment of the present invention, the first fixture block 18 and the second fixture block 19 are beneficial to limiting the extending distance between the screw rod sleeve 15 and the screw rod 20, so that the screw rod 20 cannot be separated from the screw rod sleeve 15.

Specifically, referring to fig. 1, two positioning blocks 9 are fixedly connected to the upper end of the fixing plate 5.

The utility model discloses an in the embodiment, locating piece 9 is favorable to the position of fixed projecting apparatus main part 8, makes thread groove and screw hole correspond convenience of customers' installation.

Specifically, referring to fig. 1, the bulb installed in the installation board 1 adopts a laser phosphor light source.

The utility model discloses an in the embodiment, adopt laser phosphor powder light source, need not replace the bulb, reduced the maintenance cost of device.

The utility model provides a pair of laser projector's theory of operation or working process convenient to go up and down does: the device is electrified, a remote controller matched with a projector can be used for sending a signal to the controller 17 through the remote controller, the controller 17 controls the servo motor 16 to start, the output end of the servo motor 16 rotates, the rotation of the output end of the servo motor 16 drives the first rotating shaft 23 to rotate, the rotation of the first rotating shaft 23 drives the second gear 22 to rotate, the rotation of the second gear 22 drives one of the first gears 21 to rotate, the rotation of the first gear 21 drives the rack 14 to rotate, the rotation of the rack 14 drives the other first gears 21 to rotate, the lead screw 20 rotates, the rotation of the lead screw 20 drives the lead screw sleeve 15 to push the fixing plate 5 to lift, the first fixture block 18 and the second fixture block 19 limit the lifting distance between the shell 3 and the fixing plate 5, when the distance is adjusted to a proper position, the remote controller 17 sends a signal through the remote controller, so that the controller 17 controls the servo motor 16 to be turned off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a laser projector convenient to go up and down, includes mounting panel (1), its characterized in that: the upper end fixedly connected with support column (11) of mounting panel (1), the upper end fixedly connected with casing (3) of support column (11), the lower inner wall of casing (3) rotates and is connected with four second pivot (24), four the circumference surface of second pivot (24) all fixedly connected with first gear (21), the lower inner wall of casing (3) rotates and is connected with first pivot (23), and the activity of first pivot (23) runs through the upper end of casing (3), the circumference surface fixedly connected with second gear (22) of first pivot (23), and second gear (22) and one of them first gear (21) meshing are connected, four the circumference surface meshing of first gear (21) is connected with rack (14), the upper end fixedly connected with servo motor (16) of first pivot (23), and the upper end fixedly connected with the lower extreme of fixed plate (5) of servo motor (16), four equal activity of second pivot (24) runs through in the upper end of casing (3), four equal fixedly connected with lead screw (20), four in the upper end of second pivot (24) lead screw (20) equal threaded connection has lead screw cover (15), four the upper end fixedly connected with fixed plate (5) of lead screw cover (15), two L shape fixture blocks (6) of upper end fixedly connected with of fixed plate (5), two circular slots (10) have all been seted up to the upper end of L shape fixture block (6), four threaded hole has all been seted up to the lower extreme of circular slot (10), two the joint has projector main part (8) between L shape fixture block (6), four thread grooves have been seted up to the upper end of projector main part (8), threaded connection has screw (7) between screw hole and the thread groove.

2. The laser projector convenient to lift as claimed in claim 1, wherein: the upper end of the shell (3) is provided with a fixing ring (4), and the upper end of the fixing ring (4) is provided with an annular groove (12).

3. The laser projector convenient to lift as claimed in claim 2, wherein: the lower end of the fixing plate (5) is fixedly connected with an annular block (13), and the annular block (13) is movably connected in the annular groove (12).

4. The laser projector convenient to lift as claimed in claim 3, wherein: the upper end fixedly connected with controller (17) of casing (3), and controller (17) and servo motor (16) electric connection.

5. The laser projector convenient to lift as claimed in claim 4, wherein: a plurality of mounting holes (2) are formed in the upper end of the mounting plate (1).

6. The laser projector convenient to lift as claimed in claim 5, wherein: the upper end of the shell (3) is fixedly connected with a first clamping block (18), and the lower end of the fixing plate (5) is fixedly connected with a second clamping block (19).

7. The laser projector convenient to lift as claimed in claim 6, wherein: the upper end of the fixed plate (5) is fixedly connected with two positioning blocks (9).

8. The laser projector of claim 7, wherein the laser projector is capable of being lifted and lowered: the bulb installed in the installation plate (1) adopts a laser fluorescent powder light source.