CN216595873U

CN216595873U - Projector angle adjusting mechanism and projector

Info

Publication number: CN216595873U
Application number: CN202122022281.9U
Authority: CN
Inventors: 金凌琳; 李志�; 邱昌盛
Original assignee: Dangqu Network Technology Hangzhou Co Ltd
Current assignee: Dangqu Network Technology Hangzhou Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-05-24
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to a projector angle regulating mechanism and a projector, comprising: a bottom case; the angle adjusting plate is rotatably connected to the bottom of the bottom shell, and part of the angle adjusting plate is arranged outside the bottom shell in an angle or horizontal manner; and the adjusting plate mounting structure is arranged on the inner side of the bottom shell and is rotationally connected with the angle adjusting plate. The technical scheme of the utility model is that the adjusting plate is rotatably connected to the bottom shell through the adjusting plate mounting structure, wherein the adjusting plate mounting structure is positioned at the inner side of the bottom shell, so that the adjusting plate mounting structure can be prevented from being worn or falling off due to the contact with an object carrying surface, the overall volume of the projector can be reduced, and the projector is smaller and more convenient; thereby angle adjusting plate can be different angle settings with the drain pan and change the projection picture height and the angle of projecting apparatus, has increased the suitability of projecting apparatus, and when angle adjusting plate and drain pan were the level setting, angle adjusting plate can hide in the drain pan, has increased the portability of projecting apparatus.

Description

Projector angle adjusting mechanism and projector

Technical Field

The utility model relates to the technical field of projectors, in particular to a projector angle adjusting mechanism and a projector.

Background

With the continuous development of science and technology and the continuous progress of projection technology, projectors are widely applied to places such as conferences, teaching, entertainment and the like, the existing projectors are generally placed on a desktop for use, and the height of a projected picture is limited due to the fact that the height of a machine body of the existing projector is fixed; or the projector is arranged on the bracket, and the height and the angle of the projected picture are changed by adjusting the bracket, so that the portable projector is not provided, and the applicability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a projector angle adjusting mechanism and a projector, and aims to solve the problems that the height of a projection picture cannot be changed and the projector is inconvenient to carry in the conventional projector.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a projector angle adjustment mechanism comprising:

a bottom case;

the angle adjusting plate is rotatably connected to the bottom of the bottom shell, and part of the angle adjusting plate is arranged outside the bottom shell in an angle or horizontal manner;

and the adjusting plate mounting structure is arranged on the inner side of the bottom shell and is rotationally connected with the angle adjusting plate.

Preferably, the adjusting plate mounting structure comprises a rotating shaft and a fixing plate, a first groove is formed in the inner side surface of the bottom shell, an opening is formed in the first groove, the rotating shaft is arranged in the first groove, and a part of the rotating shaft extends out of the opening to be rotatably connected with the angle adjusting plate; one end of the fixing plate is sleeved at two ends of the rotating shaft, and the other end of the fixing plate is fixedly connected to the bottom shell.

Preferably, the rotating shaft comprises a crimping end and a protruding end, the crimping end is located in the first groove, the protruding end is located in the opening, the angle adjusting plate comprises a connecting portion and a supporting portion, and the connecting portion extends into the opening and is rotatably connected with the protruding end.

Preferably, the fixing plate is provided with a connecting end and a fixing end, the connecting end is sleeved on the crimping end and is located in the first groove, and the fixing end is fixedly connected to the inner side surface of the bottom shell.

Preferably, two rotating shafts are arranged, second grooves are arranged on two sides of the connecting part, and each second groove is respectively and rotatably sleeved on each extending end; or the rotating shaft is provided with one, the connecting part is provided with a through groove, and the extending end penetrates through the through groove.

Preferably, the adjusting plate mounting structure further includes a pressing plate fixedly connected to the inner side surface of the bottom case, a protrusion is disposed on one side of the pressing plate facing the bottom case, the protrusion is disposed in the opening, a third groove is disposed on one side of the protrusion facing the opening, and the third groove is matched with the connecting portion and pressed to the connecting portion.

Preferably, the inner side surface of the bottom shell extends to form fixing ribs, the fixing ribs are located on two axial sides of the opening, and the crimping plate is fixedly connected to the fixing ribs.

Preferably, both ends of the fixing rib extend away from the opening to form a reinforcing rib, the reinforcing rib is higher than the fixing rib, and both end portions of the crimping plate abut against the reinforcing rib.

Preferably, the lateral surface of drain pan is equipped with the fourth recess, angle adjusting plate is when horizontal setting and is located in the fourth recess.

A projector comprises the projector angle adjusting mechanism.

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

according to the technical scheme, the adjusting plate is rotatably connected to the bottom shell through the adjusting plate mounting structure, the adjusting plate mounting structure is positioned on the inner side of the bottom shell, so that the adjusting plate mounting structure can be prevented from being worn or falling off due to contact with an object carrying surface, the overall volume of the projector can be reduced, and the projector is smaller and more convenient; thereby angle adjusting plate can be different angle settings with the drain pan and change the projection picture height and the angle of projecting apparatus, has increased the suitability of projecting apparatus, and when angle adjusting plate and drain pan were the level setting, angle adjusting plate can hide in the drain pan, has increased the portability of projecting apparatus.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of a projector according to an embodiment of the present invention.

Fig. 2 is an exploded view of a projector according to an embodiment of the present invention.

Fig. 3 is an exploded view of an angle adjustment mechanism according to an embodiment of the present invention.

Fig. 4 is a schematic view of the bottom case shown in fig. 1.

Fig. 5 is a schematic view of the bottom case shown in fig. 4 from another viewing angle.

FIG. 6 is a schematic view of the crimp plate shown in FIG. 1.

Description of reference numerals:

1. a bottom case; 11. a first groove; 12. an opening; 13. a fourth groove; 2. a rotating shaft; 21. crimping ends; 22. an extension end; 3. an angle adjusting plate; 31. a connecting portion; 311. a second groove; 32. a support portion; 4. a fixing plate; 41. a connecting end; 42. a fixed end; 5. a pressure welding plate; 51. a protrusion; 511. a third groove; 6. fixing the ribs; 7. reinforcing ribs; 8. a housing; 81. a top cover; 811. a first top plate; 812. A second top plate; 82. a middle frame; 821. a sound outlet hole; 83. a front cover; 831. a first front plate; 832. a second front plate; 84. a support plate; 9. and (4) heat dissipation holes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 2, a housing 8 of the projector is composed of a top cover 81, a middle frame 82, a bottom case 1 and a front cover 83, the top cover 81 and the bottom case 1 are respectively and fixedly connected to a top end and a bottom end of the middle frame 82, the front cover 83 is fixedly connected to one surface of the middle frame 82 and is arranged corresponding to a lens of the projector; wherein, the inside wall of center 82 has a plurality of fixed knot to be constructed for work subassembly such as controlling means, circuit board, camera lens, stereo set of fixed projecting apparatus, just fixed knot constructs and is vertical setting, is the assembly of each work subassembly of being convenient for of same direction, and center 82 all is equipped with the through-hole with the position that corresponds such as camera lens, the mouth that charges, data biography junction, and center 82 is equipped with a plurality of play sound holes 821 that are regular spread with the position that the stereo set corresponds, and center 82's front side and rear side form and have a plurality of louvres 9 that are regular spread, the heat transfer of being convenient for, the life of extension projecting apparatus.

Top cap 81 fixed connection is in the top surface of center 82, including first roof 811 and second roof 812, second roof 812 is equipped with a plurality of buckles and mounting towards one side of center 82, the mounting is used for the work subassembly in the fixed center 82, increase the stability of projecting apparatus, each buckle looks interval is around setting in second roof 812, the inboard of center 82 is equipped with the joint portion corresponding with the buckle, each buckle and joint portion joint are with second roof 812 fixed connection in the top of center 82, first roof 811 keeps away from one side of center 82 through buckle fixed connection in first roof 811, play the sealing action.

The front cover 83 comprises a first front plate 831 and a second front plate 832, the specification of the second front plate 832 is matched with a lens, the front cover is arranged between the middle frame 82 and the lens, the inner side of the front cover is provided with a thread connected to the lens, the outer side of the front cover is provided with a mounting hole fixedly connected to the middle frame 82, the stability of the lens is improved, the projection picture is guaranteed not to shake, the first front plate 831 covers the second front plate 832 and the partial middle frame 82, the front cover is fixedly connected to one side of the middle frame 82 through a buckle, and the lens can be protected.

Referring to fig. 3 to 4, the projector according to the embodiment of the present invention is provided with a projector angle adjustment mechanism, which has a simple structure, and can be disposed at an angle or a horizontal position with respect to the projector to change the height and angle of the projection image of the projector, thereby increasing the applicability and portability of the projector.

This angle adjustment mechanism includes drain pan 1, angle adjusting plate 3 and regulating plate mounting structure at least, and regulating plate mounting structure sets up in the inboard fixed connection of drain pan 1 in drain pan 1, and angle adjusting plate 3 rotates to be connected in regulating plate mounting structure, can be around drain pan 1 rotation be angle or horizontal direction setting.

Wherein, regulating plate mounting structure includes pivot 2 and fixed plate 4, the medial surface of drain pan 1 is equipped with first recess 11, first recess 11 is equipped with opening 12, pivot 2 sets up in first recess 11 department, partial pivot 2 is located and overlaps in first recess 11 to the one end of fixed plate 4, other end fixed connection is in the medial surface of drain pan 1, 3 parts of angle connecting plate pass opening 12 and rotate and connect in pivot 2, wherein, angle connecting plate 3 includes connecting portion 31 and supporting part 32, connecting portion 31 stretches into opening 12 and rotates with pivot 2 to be connected, supporting part 32 is angle or level and sets up outside drain pan 1, accessible turned angle regulating plate 3 changes the angle between supporting part 32 and the drain pan 1, thereby change the projection angle and the projection picture height of projecting apparatus.

In one embodiment, the rotating shaft 2 comprises a crimping end 21 and a protruding end 22, the crimping end 21 is located in the first groove 11, the protruding end 22 is located in the opening 12, and the angle adjusting plate 3 partially passes through the opening 12 and is rotatably connected to the rotating shaft 2, wherein the connecting portion 31 is provided with a second groove 311, and the second groove 311 is matched with the rotating shaft 2 and is rotatably sleeved on the protruding end 22; connecting portion 31 can rotate around pivot 2 and drive supporting portion 32 and rotate, has changed the angle between supporting portion 32 and the drain pan 1 to can change the projection angle and the projection height of projecting apparatus, have the suitability, in addition, be formed with triangle-shaped between supporting portion 32 and the carrier face of drain pan 1 and projecting apparatus, make the projecting apparatus have higher stability.

In one embodiment, two rotating shafts 2 may be provided, and the second grooves 311 are disposed on two sides of the connecting portion 31 and are all sleeved on the protruding end 22, i.e. the connecting portion 31 is partially rotatably connected to the rotating shaft 2, so as to facilitate installation and later replacement and maintenance.

Referring to fig. 5, in one embodiment, a fourth groove 13 is disposed on an outer side surface of the bottom case 1, an opening 12 is disposed in the fourth groove 13, and a shape of the fourth groove 13 is adapted to a shape of the angle adjustment plate 3, when the angle adjustment plate 3 is horizontally disposed to overlap the bottom case 1, the angle adjustment plate 3 is disposed in the fourth groove 13, so that the angle adjustment plate 3 can be hidden in the bottom case 1 of the projector, and balance and applicability of the projector are increased, wherein a groove sidewall of the fourth groove 13 is disposed in an inclined plane, so as to facilitate use of the angle adjustment plate 3, and meet human mechanics.

In one embodiment, the fixing plate 4 includes a connecting end 41 and a fixing end 42, the connecting end 41 is a tubular sleeve and is disposed at the crimping end 21 and disposed in the first groove 11, the fixing end 42 extends along a tangential direction of the connecting end 41 to form a sheet shape, and is fixedly connected to an inner side surface of the bottom case 1 through a fastener, the fastener can be a bolt, a screw or the like, the rotating shaft is fixed in the first groove 11 through the fixing plate 4, stability and fatigue resistance of the angle adjusting mechanism of the projector can be increased, and the projector is prevented from shaking in the using process to influence the viewing experience.

Referring to fig. 6, in one embodiment, the adjustment plate mounting structure further includes a pressing plate 5 disposed on the inner side of the bottom case 1 and pressed against the connecting portion 31, so as to increase the stability of the angle adjustment mechanism, wherein a protrusion 51 is formed on one side of the pressing plate 5 facing the inner side of the bottom case 1, the size of the protrusion 51 is matched with the size of the opening 12, so as to increase the sealing performance between the opening 12 and the connecting portion 31, a third groove 511 is formed on one side of the protrusion 51 facing the inner side of the bottom case 1, the third groove 511 is matched with the connecting portion 31, and a bottom wall of the third groove 511 abuts against the connecting portion 31, so as to facilitate the rotation of the connecting portion 31.

Wherein, a reinforcing rib 7 and a fixing rib 6 are formed on the inner side surface of the bottom shell 1 in an extending way, the fixing rib 6 is positioned on the two axial sides of the opening 12, and the compression joint plate 5 is fixedly connected to the fixing rib 6 through a fastener; partial strengthening rib 7 sets up along opening 12's horizontal direction, connects the one end of connecting in fixed muscle 6 and is higher than strengthening rib 7 for the both ends butt of crimping board 5 in the relative both sides of strengthening rib 7, the setting of strengthening rib 7 both can increase the stability of crimping board 5, can improve the mechanical strength of drain pan 1 again.

In one embodiment, the heat dissipation holes 9 and the plurality of buckles are arranged around the periphery of the inner side surface of the bottom case 1, the buckles are clamped with the inner side wall of the middle frame 82, a support plate 84 is further arranged between the middle frame 82 and the bottom case 1 and used for supporting part of working components in the middle frame 82, the bottom case 1 is fixedly connected with the support plate 84 through a fastener, and one side, away from the bottom case, of the crimping plate 5 abuts against the support plate 84.

According to the projector angle adjusting mechanism provided by the technical scheme, the adjusting plate 3 is rotatably connected to the bottom shell 1 through the adjusting plate mounting structure, the adjusting plate mounting structure is positioned on the inner side of the bottom shell 1, so that the adjusting plate mounting structure can be prevented from being worn or falling off due to contact with an object carrying surface, the overall volume of the projector can be reduced, and the projector is smaller and more convenient; thereby angle adjusting plate 3 can be different angle settings with drain pan 1 and change the projection picture height and the angle of projecting apparatus, has increased the suitability of projecting apparatus, and when angle adjusting plate 3 was the level setting with drain pan 1, angle adjusting plate 3 can be hidden in drain pan 1, has increased the portability of projecting apparatus.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A projector angle adjustment mechanism, comprising:

a bottom shell (1);

the angle adjusting plate (3) is rotatably connected to the bottom of the bottom shell (1), and part of the angle adjusting plate is arranged outside the bottom shell (1) in an angle or horizontal mode;

and the adjusting plate mounting structure is arranged on the inner side of the bottom shell (1) and is rotationally connected with the angle adjusting plate (3).

2. The angle adjustment mechanism of the projector according to claim 1, wherein the adjustment plate mounting structure comprises a rotating shaft (2) and a fixing plate (4), a first groove (11) is formed on the inner side surface of the bottom shell (1), an opening (12) is formed in the first groove (11), the rotating shaft (2) is arranged in the first groove (11) and partially extends out of the opening (12) to be rotatably connected with the angle adjustment plate (3); one end of the fixing plate (4) is sleeved at two ends of the rotating shaft (2), and the other end of the fixing plate is fixedly connected with the bottom shell (1).

3. The projector angle adjusting mechanism according to claim 2, wherein the rotating shaft (2) includes a press contact end (21) and a protruding end (22), the press contact end (21) is located at the first recess (11), the protruding end (22) is located at the opening (12), the angle adjusting plate (3) includes a connecting portion (31) and a supporting portion (32), and the connecting portion (31) protrudes into the opening (12) to be rotatably connected with the protruding end (22).

4. The projector angle adjusting mechanism of claim 3, wherein the fixing plate (4) is provided with a connecting end (41) and a fixing end (42), the connecting end (41) is sleeved on the crimping end (21) and located in the first groove (11), and the fixing end (42) is fixedly connected to the inner side surface of the bottom shell (1).

5. The angle adjusting mechanism of the projector as claimed in claim 3, wherein there are two rotating shafts (2), two second grooves (311) are provided on two sides of the connecting portion (31), and each second groove (311) is rotatably sleeved on each protruding end (22); or the rotating shaft (2) is provided with one, the connecting part (31) is provided with a through groove, and the extending end (22) penetrates through the through groove.

6. The projector angle adjusting mechanism according to claim 3, wherein the adjusting plate mounting structure further comprises a pressing plate (5) fixedly connected to an inner side surface of the bottom case (1), a side of the pressing plate (5) facing the bottom case (1) is provided with a protrusion (51), the protrusion (51) is provided in the opening (12), a side of the protrusion (51) facing the opening (12) is provided with a third groove (511), and the third groove (511) is adapted to the connecting portion (31) and pressed against the connecting portion (31).

7. The projector angle adjusting mechanism according to claim 6, wherein a fixing rib (6) extends from an inner side surface of the bottom case (1), the fixing rib (6) is located at both axial sides of the opening (12), and the pressure contact plate (5) is fixedly connected to the fixing rib (6).

8. The projector angle adjusting mechanism according to claim 7, wherein both ends of the fixing rib (6) extend away from the opening (12) to form a rib (7), the rib (7) is higher than the fixing rib (6), and both end portions of the pressure contact plate (5) abut against the rib (7).

9. The angle adjustment mechanism of a projector according to claim 1, wherein a fourth groove (13) is formed on an outer side surface of the bottom case (1), and the angle adjustment plate (3) is located in the fourth groove (13) when it is horizontally disposed.

10. A projector comprising the projector angle adjustment mechanism according to any one of claims 1 to 9.