CN215674407U

CN215674407U - Adjustable projector

Info

Publication number: CN215674407U
Application number: CN202121934767.3U
Authority: CN
Inventors: 王雄
Original assignee: Suzhou Tongbu Precision Mould Technology Co ltd
Current assignee: Suzhou Tongbu Precision Mould Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-28
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses an adjustable projector, which relates to the field of projectors and comprises a mounting frame and a projector main body, wherein the mounting frame comprises a mounting plate, a lifting mechanism, an upper plate, a lower plate and a clamping mechanism, the upper end of a square tube in the lifting mechanism is fixedly connected with the middle part of the lower end of the mounting plate, the lower end of a first threaded tube in the lifting mechanism is fixedly connected with the middle part of the upper end of the upper plate, the end surface of the first threaded tube is arranged in a square shape and can be sleeved in the square tube in a sliding mode, the lower plate is positioned under the upper plate and is connected with the upper plate through the clamping mechanism, the projector main body is arranged between the upper plate and the lower plate, and mounting bolts are arranged at four corners of the upper end of the mounting plate through fixing holes. The utility model is convenient for installing and clamping the projector main bodies with different models and sizes, is convenient for adjusting the height of the projector main body, does not need people to adjust the climbing height, and is convenient for people to use.

Description

Adjustable projector

Technical Field

The utility model belongs to the technical field of projectors, and particularly relates to an adjustable projector.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.

At present, the projector is generally hung on the ceiling through the mounting bracket when using, and because the ceiling height is different to lead to the mounting height also is different of projector, when using, for the projection that makes the projector on the curtain, need highly adjust the projector, however, when adjusting the height of projector, because the mounting height of projector is higher, need people to catch climbing device and climb the height and adjust, the people of not being convenient for adjust, and there is the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides an adjustable projector, which effectively solves the problems that when the height of the projector is adjusted at present, people need to catch a climbing device for climbing height adjustment due to higher installation height of the projector, the adjustment by the people is inconvenient, and potential safety hazards exist.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a projector with adjustable, includes mounting bracket and projector main part, the mounting bracket includes mounting panel, elevating system, upper plate, hypoplastron and fixture, square pipe upper end among the elevating system and the lower extreme middle part fixed connection of mounting panel, the lower extreme of the first screwed pipe among the elevating system and the upper end middle part fixed connection of upper plate, the terminal surface of first screwed pipe is square setting and slidable cover and establishes the inside in square pipe, the hypoplastron is located the upper plate under and is connected with the upper plate through fixture, projector main part sets up between upper plate and hypoplastron, the upper end four corners department of mounting panel all is provided with construction bolt through the fixed orifices.

Preferably, elevating system includes square pipe, first screwed pipe, first threaded rod, crown gear, straight-teeth gear and servo motor, the vertical inside that sets up in square pipe of first threaded rod, the fixed two antifriction bearings that are provided with in inside top of square pipe, first threaded rod rotates through two antifriction bearings and sets up in square pipe, first threaded rod and first screwed pipe threaded connection, the crown gear cup joints with the pole wall top of first threaded rod is fixed, the straight-teeth gear is established in the inside of square pipe and is connected with crown gear engagement, the fixed right side top that is provided with square pipe of servo motor, servo motor's output passes through shaft coupling fixedly connected with connecting axle, the connecting axle pass the right side wall of square pipe and with straight-teeth gear fixed connection through first bearing.

Preferably, two spacing spouts, two have all been seted up to two inside walls about the side pipe the inside of spacing spout all slides and sets up at a spacing slider, two spacing slider respectively with the left and right sides upper end fixed connection of first screwed pipe.

Preferably, fixture includes a plurality of second screwed pipes and a plurality of second threaded rod and drive assembly, and is a plurality of the second screwed pipe is respectively with the lower extreme four corners department fixed connection of upper plate, and is a plurality of the second threaded rod is respectively with a plurality of second screwed pipe threaded connection, and is a plurality of the second threaded rod all rotates through the upper end four corners department of second bearing with the hypoplastron to be connected, the cavity has been seted up to the inside of hypoplastron, four the lower extreme of second threaded rod all extends to the inside of cavity, drive assembly sets up in the inside of cavity, and four first sprocket in the drive assembly respectively with the fixed cup joint of the pole wall lower extreme of four second threaded rods.

Preferably, the drive assembly includes four first sprockets, second sprocket, two leading wheels and chain, the second sprocket rotates through first pivot and sets up at the inside middle part of cavity, and the lower extreme of first pivot extends to the below and the fixedly connected with knob of hypoplastron, two the leading wheel is located the front and back both sides of second sprocket respectively, and two leading wheels all rotate with the upper and lower both sides of cavity through the second pivot and are connected, the chain cover is established in the outside of four first sprockets and is carried out the transmission, and passes respectively between two leading wheels of both sides around the chain and the second sprocket and carry out the transmission with the second sprocket.

Preferably, the two opposite sides of the upper plate and the lower plate are fixedly provided with protective pads.

The utility model has the technical effects and advantages that:

1. through the mutual matching of the mounting plate, the lifting mechanism, the upper plate, the lower plate and the clamping mechanism, when the projector is mounted, the camera body is placed between the upper plate and the lower plate and is clamped and fixed through the clamping mechanism, the projector bodies with different models and sizes are convenient to fix, the mounting plate is fixed with a ceiling through a fixing bolt, so that the mounting of the projector is completed, the servo motor is started to drive the connecting shaft to rotate, the connecting shaft drives the straight gear to rotate, the straight gear drives the crown gear to rotate, the crown gear drives the first threaded rod to rotate, the first threaded rod can drive the first threaded pipe to move in the vertical direction, the first threaded pipe drives the upper plate and the lower plate to move in the vertical direction, so that the projector body is driven to move in the vertical direction, the height adjustment of the projector body is convenient, and people do not need to climb to adjust, is convenient for people to use.

Drawings

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

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of the lifting mechanism of the present invention;

FIG. 3 is a schematic top view of the driving assembly of the present invention;

FIG. 4 is a side view of the two guide wheels and the second sprocket of the present invention.

In the figure: 1. a projector main body; 2. mounting a plate; 3. an upper plate; 4. a lower plate; 5. a square tube; 6. a first threaded pipe; 7. installing a bolt; 8. a protective pad; 9. a first threaded rod; 10. a crown gear; 11. a spur gear; 12. a servo motor; 13. a rolling bearing; 14. a limiting slide block; 15. a second threaded pipe; 16. a second threaded rod; 17. a first sprocket; 18. a second sprocket; 19. a guide wheel; 20. a chain; 21. a knob.

Detailed Description

The utility model provides an adjustable projector shown in figures 1-4, which comprises a mounting frame and a projector main body 1, wherein the mounting frame comprises a mounting plate 2, a lifting mechanism, an upper plate 3, a lower plate 4 and a clamping mechanism, the upper end of a square tube 5 in the lifting mechanism is fixedly connected with the middle part of the lower end of the mounting plate 2, the lower end of a first threaded tube 6 in the lifting mechanism is fixedly connected with the middle part of the upper end of the upper plate 3, the end surface of the first threaded tube 6 is square and can be sleeved in the square tube 5 in a sliding manner, the lower plate 4 is positioned right below the upper plate 3 and is connected with the upper plate 3 through the clamping mechanism, the projector main body 1 is arranged between the upper plate 3 and the lower plate 4, and mounting bolts 7 are arranged at four corners of the upper end of the mounting plate 2 through fixing holes.

As shown in fig. 1 and 2, the lifting mechanism includes a square tube 5, a first threaded tube 6, a first threaded rod 9, a crown gear 10, a spur gear 11 and a servo motor 12, the first threaded rod 9 is vertically arranged inside the square tube 5, two rolling bearings 13 are fixedly arranged above the inside of the square tube 5, the first threaded rod 9 is rotatably arranged in the square tube 5 through the two rolling bearings 13, the first threaded rod 9 is in threaded connection with the first threaded tube 6, the crown gear 10 is fixedly sleeved above the rod wall of the first threaded rod 9, the spur gear 11 is arranged inside the square tube 5 and is in meshed connection with the crown gear 10, the servo motor 12 is fixedly arranged above the right side of the square tube 5, the output end of the servo motor 12 is fixedly connected with a connecting shaft through a coupler, the connecting shaft passes through the right side wall of the square tube 5 through the first bearing and is fixedly connected with the spur gear 11, and the servo motor 12 is started to drive the connecting shaft to rotate, the connecting axle drives straight-teeth gear 11 and rotates, straight-teeth gear 11 drives crown gear 10 and rotates, crown gear 10 drives first threaded rod 9 and rotates, first threaded rod 9 rotates and can drive first screwed pipe 6 and remove in vertical direction, first screwed pipe 6 drives upper plate 3 and hypoplastron 4 and removes in vertical direction, thereby drive projector main part 1 and remove in vertical direction, be convenient for carry out altitude mixture control to projector main part 1, do not need people to climb the height and adjust, people of being convenient for use.

As shown in fig. 2, two inside walls about square pipe 5 have all been seted up spacing spout, and the inside of two spacing spouts all slides and sets up at limiting slide 14, two limiting slide 14 respectively with the left and right sides upper end fixed connection of first screwed pipe 6, two limiting slide 14 enough lead to the vertical removal of first screwed pipe 6 to improve the mobility stability of first screwed pipe 6, and avoid first screwed pipe 6 to break away from square pipe 5.

As shown in fig. 1, 3 and 4, the clamping mechanism includes a plurality of second threaded pipes 15, a plurality of second threaded rods 16 and a driving assembly, the plurality of second threaded pipes 15 are respectively fixedly connected with four corners of the lower end of the upper plate 3, the plurality of second threaded rods 16 are respectively in threaded connection with the plurality of second threaded pipes 15, the plurality of second threaded rods 16 are respectively rotatably connected with four corners of the upper end of the lower plate 4 through second bearings, a cavity is formed in the lower plate 4, the lower ends of the four second threaded rods 16 extend into the cavity, the driving assembly is disposed in the cavity, the four first sprockets 17 in the driving assembly are respectively fixedly sleeved with the lower ends of the rod walls of the four second threaded rods 16, the driving assembly includes four first sprockets 17, a second sprocket 18, two guide wheels 19 and a chain 20, the second sprocket 18 is rotatably disposed in the middle of the cavity through a first rotating shaft, and the lower end of the first rotating shaft extends to the lower part of the lower plate 4 and is fixedly connected with a knob 21, two guide wheels 19 are respectively positioned at the front side and the rear side of the second chain wheel 18, the two guide wheels 19 are rotatably connected with the upper side and the lower side of the cavity through a second rotating shaft, a chain 20 is sleeved at the outer sides of the four first chain wheels 17 and is used for transmission, the front side and the rear side of the chain 20 respectively penetrate between the two guide wheels 19 and the second chain wheel 18 and are used for transmission with the second chain wheel 18, the projector main body 1 is placed between the upper plate 3 and the lower plate 4, a rotating knob 21 drives the second chain wheel 18 to rotate through the first rotating shaft, the second chain wheel 18 rotates to drive the chain 20 to rotate, the chain 20 simultaneously drives the four first chain wheels 17 to rotate in the same direction, the four first chain wheels 17 drive the four second threaded rods 16 to rotate, the four second threaded rods 16 move towards the insides of the four second threaded pipes 5 when rotating, so that the upper plate 3 and the lower plate 4 can relatively move, and the projector main body 1 can be clamped and fixed conveniently, the projector main body 1 with different models and sizes can be clamped and fixed conveniently, the chain 20 can be guided by the two guide wheels 19, and the front side and the rear side of the chain 20 are in meshing transmission with the second chain wheel 18.

As shown in fig. 1, the two opposite sides of the upper plate 3 and the lower plate 4 are both fixedly provided with a protection pad 8, which can protect the projector main body 1 and prevent the upper plate 3 and the lower plate 4 from damaging the projector main body 1.

The working principle of the utility model is as follows: the projector main body 1 is placed between an upper plate 3 and a lower plate 4, a rotary knob 21 drives a second chain wheel 18 to rotate through a first rotary shaft, the second chain wheel 18 rotates to drive a chain 20 to rotate, the chain 20 simultaneously drives four first chain wheels 17 to rotate in the same direction, the four first chain wheels 17 drive four second threaded rods 16 to rotate, the four second threaded rods 16 move towards the inner parts of four second threaded pipes 5 when rotating, so that the upper plate 3 and the lower plate 4 can move relatively, the projector main body 1 is convenient to clamp and fix, the projector main bodies 1 with different sizes can be convenient to clamp and fix, a servo motor 12 is started to drive a connecting shaft to rotate, the connecting shaft drives a straight gear 11 to rotate, the straight gear 11 drives a crown gear 10 to rotate, the crown gear 10 drives a first threaded rod 9 to rotate, the first threaded rod 9 can drive the first threaded pipe 6 to move in the vertical direction, first screwed pipe 6 drives upper plate 3 and hypoplastron 4 and removes in vertical direction to drive projector main part 1 and remove in vertical direction, be convenient for carry out altitude mixture control to projector main part 1, do not need people to climb the height and adjust, the people of being convenient for use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projector with adjustable, includes mounting bracket and projector main part (1), its characterized in that: the mounting bracket includes mounting panel (2), elevating system, upper plate (3), hypoplastron (4) and fixture, square pipe (5) upper end among the elevating system and the lower extreme middle part fixed connection of mounting panel (2), the lower extreme of first screwed pipe (6) among the elevating system and the upper end middle part fixed connection of upper plate (3), the terminal surface of first screwed pipe (6) is the inside at square pipe (5) for square setting and slidable cover, hypoplastron (4) are located upper plate (3) under and are connected with upper plate (3) through fixture, projector main part (1) sets up between upper plate (3) and hypoplastron (4), the upper end four corners department of mounting panel (2) all is provided with construction bolt (7) through the fixed orifices.

2. The adjustable projector according to claim 1, wherein: the lifting mechanism comprises a square pipe (5), a first threaded pipe (6), a first threaded rod (9), a crown gear (10), a straight gear (11) and a servo motor (12), wherein the first threaded rod (9) is vertically arranged inside the square pipe (5), two rolling bearings (13) are fixedly arranged above the inside of the square pipe (5), the first threaded rod (9) is rotatably arranged in the square pipe (5) through the two rolling bearings (13), the first threaded rod (9) is in threaded connection with the first threaded pipe (6), the crown gear (10) is fixedly sleeved above the rod wall of the first threaded rod (9), the straight gear (11) is arranged inside the square pipe (5) and is meshed with the crown gear (10), the servo motor (12) is fixedly arranged above the right side of the square pipe (5), the output end of the servo motor (12) is fixedly connected with a connecting shaft through a coupler, the connecting shaft penetrates through the right side wall of the square pipe (5) through a first bearing and is fixedly connected with the straight gear (11).

3. The adjustable projector according to claim 2, wherein: spacing spout, two have all been seted up to two inside walls about square pipe (5) the inside of spacing spout all slides and sets up at spacing slider (14), two spacing slider (14) respectively with the left and right sides upper end fixed connection of first screwed pipe (6).

4. The adjustable projector according to claim 3, wherein: the clamping mechanism comprises a plurality of second threaded pipes (15), a plurality of second threaded rods (16) and a driving assembly, the second threaded pipes (15) are fixedly connected with the four corners of the lower end of the upper plate (3) respectively, the second threaded rods (16) are in threaded connection with the second threaded pipes (15) respectively, the second threaded rods (16) are rotatably connected with the four corners of the upper end of the lower plate (4) through second bearings, a cavity is formed in the lower plate (4), the lower ends of the second threaded rods (16) extend into the cavity, the driving assembly is arranged in the cavity, and four first chain wheels (17) in the driving assembly are fixedly sleeved with the lower ends of the rod walls of the four second threaded rods (16) respectively.

5. The adjustable projector according to claim 4, wherein: the driving assembly comprises four first chain wheels (17), a second chain wheel (18), two guide wheels (19) and a chain (20), the second chain wheel (18) is rotatably arranged in the middle of the cavity through a first rotating shaft, the lower end of the first rotating shaft extends to the lower portion of the lower plate (4) and is fixedly connected with a knob (21) and two guide wheels (19) are respectively arranged on the front side and the rear side of the second chain wheel (18), the two guide wheels (19) are rotatably connected with the upper side and the lower side of the cavity through the second rotating shaft, the chain (20) is sleeved on the outer sides of the four first chain wheels (17) and is driven, and the front side and the rear side of the chain (20) respectively penetrate between the two guide wheels (19) and the second chain wheel (18) and are driven by the second chain wheel (18).

6. The adjustable projector according to claim 5, wherein: and protective pads (8) are fixedly arranged on two opposite sides of the upper plate (3) and the lower plate (4).