CN211423733U

CN211423733U - Adjustable projector

Info

Publication number: CN211423733U
Application number: CN201921303190.9U
Authority: CN
Inventors: 曲扬
Original assignee: Tianjin Huaxiao Technology Co ltd
Current assignee: Tianjin Huaxiao Technology Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-09-04
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses an adjustable projecting apparatus, including projection box, bottom plate and second sleeve, the universal wheel is all installed in the four corners of bottom plate bottom, and the one end on bottom plate top passes through the vertical second sleeve of installing of base, the inside central point department of second sleeve installs the lead screw through the bearing is vertical, and the lead screw lateral wall install with lead screw assorted sleeve pipe, sleeve pipe one side lateral wall is installed and is run through the connecting block of sleeve pipe lateral wall, sleeve pipe one side lateral wall horizontal installation is kept away from to the connecting block has the backup pad, and the central point department on backup pad top has the gear through bearing horizontal installation, the top of gear is through the vertical supporting seat of installing of stand, and the projection box is installed on the top of supporting seat. The utility model discloses a stir the plectrum with the hand and make spacing piece break away from inside the gear, make the projection box rotate to the power of cancellation to the plectrum behind the appropriate angle through gear and pivot make spacing piece card go into inside the gear to be convenient for stable regulation projection angle.

Description

Adjustable projector

Technical Field

The utility model relates to a technical field of projecting apparatus specifically is an adjustable projecting apparatus.

Background

The projector is also called a projector, and is a device which projects or reflects images or videos onto a screen through a digital light processing technology or an LCD liquid crystal imaging technology, corresponding images and video signals can be accessed through different signal sources, such as computers, mobile phones, DVs and DVs, so that playing is realized, the projector is widely applied to places such as education, commerce, engineering, households and the like, and the projector is mainly divided into DLP, LCD and the like according to the working principle, the traditional projector can basically meet the requirements of people, but certain problems still exist, and the specific problems are as follows:

1. the height of the traditional projector is fixed during installation, and the projection effect is poor due to lack of height adjustment during use;

2. the traditional projector can not adjust the angle, and the vehicle-building projection effect is poor due to the lack of angle adjustment when the projector is used;

3. the traditional projector lacks a heat dissipation function in work and is easy to damage when working for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable projecting apparatus to the problem that the projection height that proposes among the above-mentioned background art is unadjustable, the projection angle can not be reconciled and lacks cooling heat dissipation function is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable projector, includes projection box, bottom plate and second sleeve, the universal wheel is all installed in the four corners of bottom plate bottom, and the one end on bottom plate top passes through the vertical second sleeve of installing of base, the inside central point department of second sleeve installs the lead screw through the bearing is vertical, and the lead screw lateral wall install with lead screw assorted sleeve pipe, sleeve pipe one side lateral wall is installed and is run through the connecting block of sleeve pipe lateral wall, the connecting block is kept away from sleeve pipe one side lateral wall horizontal installation and is had the backup pad, and the central point department on backup pad top has the gear through bearing horizontal installation, the top of gear is through the vertical supporting seat of installing of stand, and the projection box is installed on the.

Preferably, the upper end horizontal installation in the lead screw outside has second bevel gear dish, and second sleeve upper end lateral wall installs the rotary hand that runs through second sleeve lateral wall through the bearing, the rotary hand is close to the vertical first bevel gear dish of installing with second bevel gear dish assorted of one end of lead screw.

Preferably, the second sleeve is close to sleeve one side lateral wall upper end and installs the PLC controller, and the intermediate position department that the PLC controller one side lateral wall was kept away from to the second sleeve is provided with a straight groove.

Preferably, the even vertical first sleeve of installing of telescopic one end of second is kept away from on the bottom plate top, and the vertical loop bar of running through first sleeve top and being connected with backup pad bottom nature of installing of the inside central position department of first sleeve, the lateral wall that the loop bar is close to second sleeve one side evenly is provided with the hole, and hole internally mounted have with the hole phase-match and run through the bolt of first sleeve lateral wall upper end.

Preferably, the one end horizontal installation that the connecting block was kept away from on the backup pad top has spacing frame, and the inside central position department horizontal installation who keeps away from connecting block one side lateral wall of spacing frame has the second spring, the one end horizontal installation that the second spring is close to the connecting block has the gag lever post, the gag lever post keep away from the one end of second spring install with gear assorted spacing piece, and the vertical plectrum of installing of one end that keeps away from the spacing piece on gag lever post top.

Preferably, the inside top central point department horizontal installation of projection case has the fan, and the input of fan passes through the wire and is connected with the input electricity of PLC controller, the inside lateral wall that is close to connecting block one side of projection case evenly is provided with the louvre, and the even vertical first spring of installing of central point department of the inside bottom of projection case, first spring top horizontal installation has the projector that runs through the projection case lateral wall, and the projector input passes through the wire and is connected with the output electricity of PLC controller.

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

(1) by installing the universal wheel, the PLC controller, the projector, the rotating handle, the first bevel gear disc, the second bevel gear disc, the screw rod, the sleeve, the support plate, the support seat, the projection box, the projector, the loop bar, the first sleeve, the bolt and the hole, when the adjustable projector is needed to be used, the adjustable projector is moved to a proper position through the universal wheel, the projector is started through the PLC controller, when the projection height does not meet the projection requirement, the first bevel gear disc is driven to rotate through rotating the rotating handle so as to drive the second bevel gear disc to rotate, the screw rod is driven to rotate by the rotation of the second bevel gear disc so as to drive the sleeve to move up and down on the surface of the screw rod, and further drive the support plate, the support seat and the projection box to move up and down so as to drive the projector to move up and down, meanwhile, the up and down movement of the support plate drives the loop bar, the bolt is clamped into the hole by rotating the bolt so as to fix the height of the projector, so that the purpose of stably adjusting the projection height is achieved;

(2) meanwhile, the projector is provided with the shifting piece, the second spring, the limiting piece, the gear and the projection box, when the projection angle needs to be adjusted, the shifting piece is shifted by hand to enable the second spring to be extruded to generate elastic deformation and enable the limiting piece to be separated from the inside of the gear, the force on the shifting piece is cancelled after the projection box is conveniently rotated to a proper angle through the gear and the rotating shaft, and the limiting piece is clamped into the inside of the gear under the elastic action of the second spring, so that the projection angle can be stably adjusted;

(3) simultaneously the projecting apparatus is through installing PLC controller, fan, projection case and louvre, when needs work for a long time, through the PLC controller start-up fan, the rotation of fan accelerates the inside air flow rate of projection case to discharge the inside hot-air of projection case under the assistance of louvre, thereby reach the purpose of cooling.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a projection box; 2. a first spring; 3. a support plate; 4. a supporting seat; 5. a gear; 6. a first sleeve; 7. a loop bar; 8. a base plate; 9. a hole; 10. a bolt; 11. a universal wheel; 12. a second sleeve; 13. a screw rod; 14. a sleeve; 15. connecting blocks; 16. a PLC controller; 17. turning the hand; 18. a first bevel gear plate; 19. a second bevel gear plate; 20. a straight slot; 21. heat dissipation holes; 22. a fan; 23. a projector; 24. a shifting sheet; 25. a limiting frame; 26. a second spring; 27. a limiting rod; 28. a limiting sheet.

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.

Referring to fig. 1-4, the present invention provides an embodiment: an adjustable projector comprises a projection box 1, a bottom plate 8 and a second sleeve 12, wherein four corners of the bottom end of the bottom plate 8 are respectively provided with a universal wheel 11, one end of the top end of the bottom plate 8 is vertically provided with the second sleeve 12 through a base, and the center position inside the second sleeve 12 is vertically provided with a screw rod 13 through a bearing;

a second bevel gear plate 19 is horizontally arranged at the upper end of the outer side of the screw rod 13, a rotating handle 17 penetrating through the side wall of the second sleeve 12 is arranged on the side wall of the upper end of the second sleeve 12 through a bearing, and a first bevel gear plate 18 matched with the second bevel gear plate 19 is vertically arranged at one end, close to the screw rod 13, of the rotating handle 17, so that the screw rod 13 can be driven to rotate conveniently;

the outer side wall of the screw rod 13 is provided with a sleeve 14 matched with the screw rod 13, and the side wall of one side of the sleeve 14 is provided with a connecting block 15 penetrating through the side wall of the sleeve 14;

the PLC controller 16 is installed at the upper end of the side wall of the second sleeve 12 close to the sleeve 14, the type of the PLC controller 16 can be FNC60-FNC69PLC, and a straight groove 20 is arranged at the middle position of the side wall of the second sleeve 12 far away from the PLC controller 16, so that the starting of the fan 22 and the projector 23 can be controlled conveniently;

the side wall of the connecting block 15, which is far away from the sleeve 14, is horizontally provided with the supporting plate 3, and the central position of the top end of the supporting plate 3 is horizontally provided with the gear 5 through a bearing;

the end, far away from the second sleeve 12, of the top end of the bottom plate 8 is uniformly and vertically provided with the first sleeve 6, a loop bar 7 which penetrates through the top end of the first sleeve 6 and is in linear connection with the bottom end of the supporting plate 3 is vertically arranged at the central position inside the first sleeve 6, holes 9 are uniformly formed in the side wall, close to one side of the second sleeve 12, of the loop bar 7, and bolts 10 which are matched with the holes 9 and penetrate through the upper end of the side wall of the first sleeve 6 are arranged inside the holes 9, so that the adjustable projector is convenient to stabilize;

a limiting frame 25 is horizontally arranged at one end, far away from the connecting block 15, of the top end of the supporting plate 3, a second spring 26 is horizontally arranged at the central position of the side wall of one side, far away from the connecting block 15, of the limiting frame 25, a limiting rod 27 is horizontally arranged at one end, close to the connecting block 15, of the second spring 26, a limiting piece 28 matched with the gear 5 is arranged at one end, far away from the second spring 26, of the limiting rod 27, and a shifting piece 24 is vertically arranged at one end, far away from the limiting piece 28, of the top end of the limiting rod 27, so that the;

the top end of the gear 5 is vertically provided with a supporting seat 4 through an upright post, and the top end of the supporting seat 4 is provided with the projection box 1;

horizontal installation has fan 22 at the inside top central point department of projection box 1, and fan 22's input passes through the wire and is connected with PLC controller 16's input electricity, the inside lateral wall that is close to connecting block 15 one side of projection box 1 evenly is provided with louvre 21, and the even vertical installation of central point department of the inside bottom of projection box 1 has

first spring

2, 2 top horizontal installation of first spring has the projector 23 that runs through 1 lateral wall of projection box, and the projector 23 input passes through the wire and is connected with PLC controller 16's output electricity, be convenient for to the heat dissipation of projector 23.

The working principle is as follows: when the adjustable projector is needed, the adjustable projector is moved to a proper position through the universal wheel 11, an external power supply is switched on, the projector 23 is started through the PLC 16, when the projection height does not meet the projection requirement, the first bevel gear disc 18 is driven to rotate through the rotating handle 17 so as to drive the second bevel gear disc 19 to rotate, the second bevel gear disc 19 rotates to drive the screw rod 13 to rotate so as to drive the sleeve 14 to move up and down on the surface of the screw rod 13 so as to drive the support plate 3, the support seat 4 and the projection box 1 to move up and down so as to drive the projector 23 to move up and down, meanwhile, the up and down movement of the support plate 3 drives the sleeve rod 7 to move up and down inside the first sleeve 6, when the projector 23 reaches a proper height, the bolt 10 is clamped into the hole 9 through rotating the bolt 10 so as to fix the height of the projector 23, so as to, when the angle of projection needs to be adjusted, stir plectrum 24 with the hand and make second spring 26 receive the extrusion and take place elastic deformation and make spacing piece 28 break away from inside the gear 5, make projection box 1 more convenient rotation cancel the power to plectrum 24 after suitable angle through gear 5 and pivot, make spacing piece 28 card go into inside the gear 5 under second spring 26's elastic action, thereby be convenient for stable regulation projection angle, when needs long-time work, start fan 22 through PLC controller 16, the inside air flow rate of projection box 1 is accelerated in the rotation of fan 22, and discharge the inside hot air of projection box 1 under the assistance of louvre 21, thereby reach the purpose of cooling.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An adjustable projector, includes projection box (1), bottom plate (8) and second sleeve (12), its characterized in that: universal wheel (11) are all installed in the four corners of bottom plate (8) bottom, and the one end on bottom plate (8) top passes through the vertical second sleeve (12) of installing of base, the inside central point department of putting of second sleeve (12) installs lead screw (13) through the bearing is vertical, and lead screw (13) lateral wall install with lead screw (13) assorted sleeve pipe (14), sleeve pipe (14) one side lateral wall installs connecting block (15) that runs through sleeve pipe (14) lateral wall, sleeve pipe (14) one side lateral wall horizontal installation is kept away from in connecting block (15) has backup pad (3), and the central point department on backup pad (3) top has gear (5) through bearing horizontal installation, the top of gear (5) is through the vertical supporting seat (4) of installing of stand, and the top of supporting seat (4) installs projection box (1).

2. An adjustable projector as claimed in claim 1, wherein: the upper end horizontal installation in lead screw (13) outside has second bevel gear dish (19), and second sleeve (12) upper end lateral wall installs runner (17) that runs through second sleeve (12) lateral wall through the bearing, runner (17) are close to the vertical first bevel gear dish (18) of installing and second bevel gear dish (19) assorted of one end of lead screw (13).

3. An adjustable projector as claimed in claim 1, wherein: the PLC controller (16) is installed to second sleeve (12) near the lateral wall upper end of sleeve pipe (14) one side, and second sleeve (12) keep away from PLC controller (16) one side lateral wall's intermediate position department and be provided with word groove (20).

4. An adjustable projector as claimed in claim 1, wherein: bottom plate (8) top is kept away from the even vertical first sleeve (6) of installing of one end of second sleeve (12), and the vertical loop bar (7) of running through first sleeve (6) top and being connected with backup pad (3) bottom nature of installing of inside central position department of first sleeve (6), the lateral wall that loop bar (7) are close to second sleeve (12) one side evenly is provided with hole (9), and hole (9) internally mounted have with hole (9) phase-match and run through bolt (10) of first sleeve (6) lateral wall upper end.

5. An adjustable projector as claimed in claim 1, wherein: one end horizontal installation that connecting block (15) were kept away from on backup pad (3) top has spacing frame (25), and the inside central position department horizontal installation who keeps away from connecting block (15) one side lateral wall of spacing frame (25) has second spring (26), the one end horizontal installation that second spring (26) are close to connecting block (15) has gag lever post (27), gag lever post (27) keep away from the one end of second spring (26) install with gear (5) assorted spacing piece (28), and the vertical plectrum (24) of installing of one end that spacing piece (28) were kept away from on gag lever post (27) top.

6. An adjustable projector as claimed in claim 1, wherein: the utility model discloses a projection box, including projection box (1), the inside top central point department horizontal installation of projection box (1) has fan (22), and the input of fan (22) passes through the wire and is connected with the input electricity of PLC controller (16), the inside lateral wall that is close to connecting block (15) one side of projection box (1) evenly is provided with louvre (21), and the even vertical first spring (2) of installing of central point department of the inside bottom of projection box (1), first spring (2) top horizontal installation has projector (23) that run through projection box (1) lateral wall, and projector (23) input passes through the wire and is connected with the output electricity of PLC controller (16).