CN220601085U

CN220601085U - Projector supporting mechanism

Info

Publication number: CN220601085U
Application number: CN202322361667.1U
Authority: CN
Inventors: 潘颜杰
Original assignee: Yibin Jimi Photoelectric Co Ltd
Current assignee: Yibin Jimi Photoelectric Co Ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-03-15
Anticipated expiration: 2033-08-30

Abstract

The utility model relates to the technical field of projection equipment, in particular to a projector supporting mechanism, wherein a supporting body is rotatably connected to a base body, a machine body is rotatably connected with the supporting body, and the rotating axial direction of the supporting body relative to the base body is different from the rotating axial direction of the machine body relative to the supporting body. The projector supporting mechanism is simple and compact in structure, can realize multidirectional adjustment, flexibly meets different projection requirements, does not need manual operation, and is convenient to adjust.

Description

Projector supporting mechanism

Technical Field

The present disclosure relates to projector support mechanisms, and particularly to a projector support mechanism.

Background

Projection devices are increasingly used, and users have increasingly high demands on the flexibility of use of the projector. In some application scenes, need adjust projection direction, the projection equipment of early stage usually only sets up highly adjustable stabilizer blade, can only lean on to adjust by a small margin, needs each stabilizer blade of manual regulation, and complex operation adjusts the precision by a poor margin, in order to improve the regulation convenience, has the bearing structure who adopts electric regulation, but the structure is complicated, stability is very poor, is difficult to convenient realization multi-direction regulation.

Disclosure of Invention

The utility model aims to solve the technical problems and the technical task of improving the prior art, provides a projector supporting mechanism, and solves the problems that the supporting structure of the projector in the prior art is complex, the stability is poor, and the multidirectional adjustment is difficult to realize conveniently.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

the projector supporting mechanism comprises a machine body, a base body, a first driving mechanism, a second driving mechanism and a supporting body, wherein the supporting body is rotationally connected to the base body, the machine body is rotationally connected with the supporting body, the rotating axial direction of the supporting body relative to the base body is different from the rotating axial direction of the machine body relative to the supporting body, the first driving mechanism is arranged between the base body and the supporting body to drive the supporting body to rotate relative to the base body, and the second driving mechanism is arranged between the machine body and the supporting body to drive the machine body to rotate relative to the supporting body. The projector supporting mechanism is simple in structure, easy to implement and good in supporting stability, can realize rotation adjustment of the machine body in two different dimensions, the first driving mechanism drives the supporting body to perform movable adjustment of the first rotation degree of freedom, namely the first driving mechanism drives the machine body to perform movable adjustment of the first rotation degree of freedom, the second driving mechanism can also drive the machine body to perform movable adjustment of the second rotation degree of freedom relative to the supporting body, different projection requirements are flexibly met, the adjustment of the two rotation degrees of freedom is performed by the driving mechanism, manual operation is not needed, and the adjustment is convenient.

Further, the support body comprises a first shaft and a second shaft, the first shaft is rotatably connected to the seat body, the second shaft is connected to the first shaft, the second shaft is perpendicular to the first shaft, and the machine body is rotatably connected with the second shaft. Simple structure and easy implementation and manufacture.

Further, the support body is rotatably connected with the seat body through at least two bearings which are arranged at intervals in the axial direction of the first shaft, and the machine body is rotatably connected with the second shaft through at least two bearings which are arranged at intervals in the axial direction of the second shaft. The smooth rotation is guaranteed, the stability of rotation connection is improved, the deflection during rotation adjustment is avoided, and the adjustment precision is improved.

Furthermore, the first shaft is detachably connected with the second shaft, so that the first shaft is convenient to assemble, disassemble, maintain and replace.

Further, the seat body comprises an upper cover and a lower cover, the upper cover and the lower cover are spliced to form an inner accommodating cavity, the first driving mechanism is arranged in the inner accommodating cavity, and one end of the first shaft penetrates into the inner accommodating cavity to be driven by the first driving mechanism to rotate relative to the seat body. Compact structure, good connection stability and good aesthetic property.

Further, the upper cover comprises a sleeve part covering the periphery of the shaft, and a bearing is arranged between the first shaft and the sleeve part, so that the stability of the rotating connection of the shaft on the seat body is improved, and the deflection condition during rotation is avoided.

Furthermore, the middle part of the second shaft is connected with the end part of the first shaft, so that the offset of the gravity center is avoided, and the supporting stability is improved.

Further, the concave groove is formed in the middle of the machine body, two ends of the second shaft are respectively connected to two side walls of the concave groove in a rotating mode, the middle of the machine body is supported by the supporting body to drive the machine body to rotate in two directions, and supporting stability is good.

Further, the first driving mechanism and the second driving mechanism are respectively gear driving mechanisms, and the projection screen locking mechanism is simple in structure, easy to implement, convenient to adjust, high in accuracy, convenient to accurately lock the posture of the machine body, and capable of guaranteeing the stability of the projection screen.

Further, the first driving mechanism comprises a first motor, a first driving gear and a first transmission gear, the first motor is connected to the seat body, the first driving gear is connected to an output shaft of the first motor, the first transmission gear is connected to the support body, and the first driving gear is meshed with the first transmission gear for transmission;

the second driving mechanism comprises a second motor, a second driving gear and a second transmission gear, the second motor is connected to the machine body, the second driving gear is connected to an output shaft of the second motor, the second transmission gear is connected to the supporting body, and the second driving gear and the second transmission gear are in meshed transmission.

Compared with the prior art, the utility model has the advantages that:

the projector supporting mechanism is simple and compact in structure and good in supporting stability, can realize multidirectional adjustment, flexibly meets different projection requirements, does not need manual operation, and is convenient to adjust.

Drawings

FIG. 1 is a schematic view of the whole structure of a projector supporting mechanism according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a supporting mechanism of a projector according to the present utility model;

fig. 3 is a schematic structural view of the machine body.

In the figure:

the device comprises a machine body 1, a concave groove 11, a base body 2, an upper cover 21, a sleeve part 211, a lower cover 22, an inner accommodating cavity 23, a support body 3, a first shaft 31, a second shaft 32, a bearing 33, a first driving mechanism 4, a first motor 41, a first driving gear 42, a first transmission gear 43, a second driving mechanism 5, a second motor 51, a second driving gear 52 and a second transmission gear 53.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The projector supporting mechanism disclosed by the embodiment of the utility model has the advantages of simple and compact structure and good supporting stability, and can be conveniently and simply adjusted in multiple directions.

As shown in fig. 1 to 3, a supporting mechanism for a projector mainly comprises a body 1, a base 2, a first driving mechanism 4, a second driving mechanism 5 and a supporting body 3, wherein the supporting body 3 is rotatably connected to the base 2, the body 1 is rotatably connected with the supporting body 3, the rotating axial direction of the supporting body 3 relative to the base 2 is different from the rotating axial direction of the body 1 relative to the supporting body 3, preferably, the rotating axial direction of the supporting body 3 relative to the base 2 is perpendicular to the rotating axial direction of the body 1 relative to the supporting body 3, the accurate adjustment is more convenient according to the requirement, the body 1 has two rotating adjustment degrees of freedom relative to the base 2, the rotating axial direction of the supporting body 3 relative to the base 2 is vertical, the rotating axial direction of the body 1 relative to the supporting body 3 is transverse, therefore, the support body 3 can realize the movement of the projection direction of the machine body 1 in the transverse direction when rotating relative to the base body 2, realize the adjustment of the projection direction, project projection pictures onto curtain surfaces in different directions, and realize the deflection of the projection direction of the machine body 1 in the vertical direction when the machine body 1 rotates relative to the support body 3, namely realize the adjustment of the projection tilt angle, thereby flexibly meeting the projection requirement, the structure is simple, the implementation is easy, the support stability is good, further, the driving mechanism I4 is arranged between the base body 2 and the support body 3 to drive the support body 3 to rotate relative to the base body 2, the driving mechanism II 5 is arranged between the machine body 1 and the support body 3 to drive the machine body 1 to rotate relative to the support body 3 without manual operation, the driving mechanism I4 and the driving mechanism II 5 are utilized to automatically adjust according to the requirement, the use convenience is good.

In this embodiment, the support body 3 is a combined structure, the support body 3 includes a first shaft 31 and a second shaft 32, the first shaft 31 is rotatably connected to the base body 2, the second shaft 32 is connected to the first shaft 31, the second shaft 32 is perpendicular to the first shaft 31, the machine body 1 is rotatably connected to the second shaft 32, the structure is simple, the preparation is easy, the assembly and disassembly are convenient, the maintenance is easy, specifically, when the base body 2 is supported on a placement surface, the axial direction of the first shaft 31 is vertical, the axial direction of the second shaft 32 is horizontal, the middle part of the axial direction of the second shaft 32 is connected to the end part of the top side of the first shaft 31, the structure is compact, the gravity center of the machine body 1 can be better supported, the supporting stability is improved, the working stability of the projector is ensured, and the projection picture is stable and does not shake. Preferably, the first shaft 31 and the second shaft 32 are detachably connected, so that the first shaft 31 and the second shaft 32 are convenient to assemble, disassemble and maintain and replace, the structure is simple, the manufacturing is more convenient, the cost is reduced, the first shaft 31 is a hollow shaft, the top end part of the first shaft 31 is sealed and provided with a mounting hole, the middle part of the second shaft 32 in the axial direction is provided with a connecting hole, and a screw penetrates through the mounting hole and is locked on the connecting hole, so that the stable connection between the first shaft 31 and the second shaft 32 is realized, the disassembly is convenient, and the assembly and the maintenance are convenient.

Further, the concave groove 11 has been seted up at the middle part of organism 1, the both ends of axle two 32 rotate respectively and connect on the both sides wall in concave groove 11, be equivalent to support body 3 support in the middle part of organism 1, can be better support in the focus department of organism 1, improve the supporting stability, can avoid appearing the biased situation of weight, improve the stability when rotating the regulation. In order to better improve the support stability, the support height of the machine body 1 needs to be as low as possible, that is, the machine body 1 is as close to the base 2 as possible, the depth of the concave groove 11 is approximately half of the height of the machine body 1, that is, the second shaft 32 is rotatably connected to the center of the machine body 1, and the first shaft 31 needs to go deep into the concave groove 11, so as to avoid interference when the machine body 1 rotates relative to the second shaft 32, and the concave groove 11 extends in the circumferential direction of the rotation of the machine body 1 relative to the second shaft 32 to avoid. The concave groove 11 can be designed according to specific needs to adjust the stroke, taking the cylindrical machine body 1 as an example in this embodiment, the concave groove 11 is a semicircular notch groove formed in the middle of the machine body 1, so that the machine body 1 can rotate relative to the second shaft 32 by 180 degrees at maximum. In this embodiment, organism 1 passes through support body 3 to be connected at pedestal 2, is the structure of unipolar support on the whole, can realize simultaneously that two degrees of freedom of rotation are adjusted, satisfies the nimble regulation demand of projection.

Further, the support body 3 is rotatably connected with the base body 2 through at least two bearings 33 arranged at intervals in the axial direction of the first shaft 31, the machine body 1 is rotatably connected to the second shaft 32 through at least two bearings 33 arranged at intervals in the axial direction of the second shaft 32, the smoothness of rotation is ensured, the stability of rotation connection is improved, the deflection during rotation adjustment is avoided, and the adjustment precision is improved. Specifically, the second shaft 32 is rotatably connected to two side walls of the recess 11 through bearings 33, and the bearings 33 may specifically be ball bearings, so that the rotation is smooth, high precision, large load and low friction force are ensured, and rotation stability is ensured. The seat body 2 comprises an upper cover 21 and a lower cover 22, the upper cover 21 and the lower cover 22 are spliced to form an inner accommodating cavity 23, the driving mechanism I4 is arranged in the inner accommodating cavity 23, the structure is compact, the attractive appearance is good, one end of the shaft I31 penetrates into the inner accommodating cavity 23, the shaft I31 and the upper cover 21 are rotationally connected through a bearing 33, the bearing 33 can be specifically ball bearings, the shaft I31 is driven by the driving mechanism I4 to rotate relative to the seat body 2, the upper cover 21 further comprises a sleeve part 211 covering the periphery of the shaft I31, a bearing 33 is arranged between the shaft I31 and the sleeve part 211, the bearing 33 can be specifically an oil seal bearing, the installation is convenient, and further the shaft I31 is rotationally connected with the seat body 2 through two bearings 33 which are arranged at intervals in the axial direction of the shaft I31, deflection occurs during rotation is limited, and rotation regulation stability is improved.

In this embodiment, the first driving mechanism 4 and the second driving mechanism 5 are gear driving mechanisms respectively, which has simple structure, easy implementation, convenient driving control and high control precision. Specifically, the first driving mechanism 4 includes a first motor 41, a first driving gear 42 and a first transmission gear 43, the first motor 41 is connected to the base 2, the first motor 41 may be specifically and fixedly disposed on the upper cover 21 or the lower cover 22, the first driving gear 42 is connected to an output shaft of the first motor 41, the first transmission gear 43 is connected to the first shaft 31 of the support 3, specifically, the first transmission gear 43 is integrally formed on the first shaft 31, the structure is simplified, the transmission stability is good, and the first driving gear 42 and the first transmission gear 43 are meshed for transmission. Further, the first transmission gear 43 is a face gear, and the face gear is a disc-shaped gear capable of being meshed with a spur gear or a helical gear, so that the rotation axis of the first motor 41 is perpendicular to the axis of the first shaft 31, the first driving gear 42 and the first transmission gear 43 form a gear transmission structure of an intersecting shaft, the structure is compact, the first motor 41 is horizontally placed in the inner accommodating cavity 23 of the seat body 2, the thickness of the seat body 2 is reduced, and the aesthetic property is improved. The second driving mechanism 5 comprises a second motor 51, a second driving gear 52 and a second transmission gear 53, the second motor 51 is fixedly connected to the housing of the machine body 1, the second driving gear 52 is connected to the output shaft of the second motor 51, the second transmission gear 53 is integrally connected to the second shaft 32 of the support body 3, the second driving gear 52 is meshed with the second transmission gear 53 for transmission, the second driving gear 52 is located at the periphery of the second transmission gear 53, the second motor 51 drives the second driving gear 52 to rotate during operation, so that the second driving gear 52 moves along the periphery of the second transmission gear 53, and the second motor 51 is connected with the machine body 1, namely, the machine body 1 rotates relative to the second shaft 32.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the utility model, and the scope of the utility model should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims

1. The utility model provides a projecting apparatus supporting mechanism, its characterized in that includes organism (1), pedestal (2), actuating mechanism one (4), actuating mechanism two (5) and supporter (3), supporter (3) rotate and connect on pedestal (2), organism (1) are connected with supporter (3) rotation, supporter (3) for pedestal (2) rotation axial with organism (1) for the rotation axial of supporter (3) is different directions, actuating mechanism one (4) set up in order to drive supporter (3) rotate for pedestal (2) between pedestal (2) and supporter (3), actuating mechanism two (5) set up between organism (1) and supporter (3) in order to drive organism (1) for supporter (3) rotation.

2. Projector support mechanism according to claim 1, characterized in that the support body (3) comprises a first shaft (31) and a second shaft (32), the first shaft (31) is rotatably connected to the base body (2), the second shaft (32) is connected to the first shaft (31), the second shaft (32) is perpendicular to the first shaft (31), and the machine body (1) is rotatably connected to the second shaft (32).

3. Projector support mechanism according to claim 2, wherein the support body (3) is rotatably connected to the base body (2) by at least two bearings (33) arranged at intervals in the axial direction of the first shaft (31), and the body (1) is rotatably connected to the second shaft (32) by at least two bearings (33) arranged at intervals in the axial direction of the second shaft (32).

4. Projector support mechanism according to claim 2, wherein the first shaft (31) is detachably connected to the second shaft (32).

5. Projector support mechanism according to claim 2, characterized in that the base (2) comprises an upper cover (21) and a lower cover (22), the upper cover (21) and the lower cover (22) are spliced to form an internal accommodating cavity (23), the first driving mechanism (4) is arranged in the internal accommodating cavity (23), and one end of the first shaft (31) penetrates into the internal accommodating cavity (23) to be driven by the first driving mechanism (4) to rotate relative to the base (2).

6. The projector support mechanism according to claim 5, wherein said upper cover (21) includes a sleeve portion (211) covering a circumferential periphery of said shaft one (31), and a bearing (33) is provided between said shaft one (31) and said sleeve portion (211).

7. Projector support mechanism according to claim 2, characterized in that the middle part of the shaft two (32) is connected to the end part of the shaft one (31).

8. The projector supporting mechanism as defined in claim 7, wherein a recess groove (11) is provided in the middle of said housing (1), and both ends of said second shaft (32) are respectively rotatably connected to both side walls of said recess groove (11).

9. Projector support mechanism according to any one of claims 1 to 8, wherein the first drive mechanism (4) and the second drive mechanism (5) are respectively gear drive mechanisms.

10. The projector support mechanism according to claim 9, wherein said first driving mechanism (4) comprises a first motor (41), a first driving gear (42) and a first transmission gear (43), said first motor (41) is connected to said base body (2), said first driving gear (42) is connected to an output shaft of said first motor (41), said first transmission gear (43) is connected to said support body (3), and said first driving gear (42) is in meshed transmission with said first transmission gear (43);

the second driving mechanism (5) comprises a second motor (51), a second driving gear (52) and a second transmission gear (53), the second motor (51) is connected to the machine body (1), the second driving gear (52) is connected to an output shaft of the second motor (51), the second transmission gear (53) is connected to the supporting body (3), and the second driving gear (52) and the second transmission gear (53) are in meshed transmission.