CN113028223A

CN113028223A - Projection equipment for video conference

Info

Publication number: CN113028223A
Application number: CN202110264492.5A
Authority: CN
Inventors: 卢青松; 张崴; 李�杰; 魏洪伟; 季乐; 王培青
Original assignee: Anhui Chaoqing Technology Co ltd
Current assignee: Anhui Chaoqing Technology Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-06-25

Abstract

The invention relates to the technical field of intelligent meeting room auxiliary equipment, in particular to projection equipment for a video conference, which comprises a supporting rod, a containing bin and a bottom plate, wherein a bearing used for adjusting the rotation angle of a projector is arranged between the supporting rod and the containing bin, and a roller shaft and a nylon rope used for lifting the bottom plate are arranged in an inner cavity of the containing bin. According to the invention, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod are matched with each other, so that the bottom plate can run more stably in the vertical moving process, the height difference between the projector fixed on the bottom plate and the projection curtain can be flexibly adjusted according to the use requirement by using the set of equipment, the projector is prevented from being exposed in dust to break down when not used, the indoor space is more efficiently utilized, and the indoor decoration is more consistent and attractive.

Description

Projection equipment for video conference

Technical Field

The invention relates to the technical field of intelligent meeting room auxiliary equipment, in particular to projection equipment for a video conference.

Background

Video conference, it means people located at two or more places, through communication equipment and network, carry on the meeting of face-to-face conversation, according to participating in the number of different places, the video conference can be divided into point-to-point meeting and multipoint meeting, the person in daily life, there is no requirement to talk about content security, meeting quality, meeting scale, can adopt such video software as Tencent QQ to carry on the video chat, and government office, business video conference of enterprise and public institution, require to have stable safe network, reliable meeting quality, formal meeting environment, etc. the condition, need to use professional video conference apparatus, set up the specialized video conference system.

In a video conference system, the importance of a projector is self-evident, the existing projector is suspended by a bracket fixed on a ceiling, on one hand, the fixing mode influences the aesthetic degree of the whole room, on the other hand, the overhead projector is exposed to dust at any time, after long-time use, the dust accumulated on the projector easily enters the interior of the projector through a radiating hole on the surface of the projector and damages an internal electronic module of the projector, meanwhile, because the height and the angle of the existing projection equipment are fixed, once the projection height difference or the angle difference exists between the projector and a projection screen, the projection quality is greatly influenced, the quality and the efficiency of a video conference are reduced, and the existing projection equipment has fewer and more complicated adjusting means and is not beneficial to operation.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a projection device for video conference.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a projection equipment for video conferencing, includes bracing piece, collecting storage and bottom plate, the bracing piece with be provided with the bearing that is used for adjusting projecting apparatus turned angle between the collecting storage, the inner chamber of collecting storage is provided with and is used for promoting the roller and the nylon rope of bottom plate, in addition, collecting storage with still be provided with between the bottom plate and be used for guaranteeing head rod, second connecting rod, third connecting rod and the fourth connecting rod that the bottom plate steadily goes up and down.

The bottom end of the supporting rod is sequentially sleeved and fixed with the inner wall of the bearing and the first helical gear from bottom to top, and the bottom surface of the outer wall of the bearing is fixedly connected with the top surface of the storage bin.

Further lie in, one side of collecting storage facility has linked firmly the connecting plate, the top surface of connecting plate has linked firmly first servo motor, first servo motor's output cup joints and is fixed with the one end of roller, the other end of roller runs through a lateral wall of collecting storage facility is connected rather than the inside wall rotation, the both ends of roller are all twined fixedly the one end of nylon rope, two short sides of collecting storage facility inner chamber top surface are linked firmly first connection ear and spacing ring about its vertical central plane symmetry in proper order, the other end of nylon rope runs through the spacing ring links firmly the bottom plate.

The projector is characterized in that the middle of the top surface of the bottom plate is fixedly connected with the projector, the position of the top surface of the bottom plate corresponding to the first connecting lug is fixedly connected with the second connecting lug, the second connecting lug rotates to be sleeved with one end of the first connecting rod, the other end of the first connecting rod rotates to be connected with one end of the second connecting rod, the other end of the second connecting rod rotates to be connected with one end of the third connecting rod, the other end of the third connecting rod rotates to be connected with one end of the fourth connecting rod, and the other end of the fourth connecting rod rotates to be sleeved with the first connecting lug.

Further, the bottom plate and the storage bin are sealed to form a complete box body.

The top surface of the storage bin is fixedly connected with the second servo motor, and the output end of the second servo motor is fixedly connected with the second bevel gear in a sleeved mode.

Further in that the first and second bevel gears are mating members that intermesh.

The invention has the beneficial effects that:

1. the two ends of the roll shaft are wound with one end of a nylon rope, the other end of the nylon rope penetrates through the limiting ring and is fixedly connected with the bottom plate, the bottom plate can run more stably in the vertical moving process through the mutual matching of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the projector fixed on the bottom plate can flexibly adjust the height difference between the projector and the projection screen according to the use requirement, the projection quality is improved, meanwhile, the projector is prevented from being exposed in dust to break down when not used, the indoor space is utilized more efficiently, and the indoor decoration is more consistent and attractive;

2. through using the bearing as the intermediary of joint support post and collecting storage, reuse first helical gear and second helical gear mutually support, when needs adjustment projection angle, removed the problem of manpower conversion projecting apparatus angle from, convenient and fast ensures video conference high quality and high efficiency operation.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic diagram of the use configuration of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view of the storage compartment of the present invention;

FIG. 6 is a schematic view showing the structure of a roll shaft in the present invention;

FIG. 7 is a schematic view of the stop collar of the present invention;

fig. 8 is a partial enlarged view at B in fig. 7;

fig. 9 is a schematic view of the structure of the projector in the present invention.

In the figure: 1. a support bar; 11. a first helical gear; 12. a bearing; 2. a storage bin; 21. a connecting plate; 22. a first servo motor; 23. a roll shaft; 24. a nylon cord; 25. a first connecting lug; 26. a limiting ring; 27. a second servo motor; 28. a second helical gear; 3. a base plate; 31. a projector; 32. a second engaging lug; 33. a first connecting rod; 34. a second connecting rod; 35. a third connecting rod; 36. and a fourth connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

As shown in fig. 1-3, a projection apparatus for video conferencing includes a support rod 1, a storage bin 2 and a bottom plate 3, a bearing 12 for adjusting a rotation angle of a projector 31 is disposed between the support rod 1 and the storage bin 2, a roller 23 and a nylon rope 24 for lifting the bottom plate 3 are disposed in an inner cavity of the storage bin 2, and a first connecting rod 33, a second connecting rod 34, a third connecting rod 35 and a fourth connecting rod 36 for ensuring stable lifting of the bottom plate 3 are further disposed between the storage bin 2 and the bottom plate 3.

Before the video conference begins, the first servo motor 22 is started to drive the roller shaft 23 to rotate, the nylon rope 24 connecting the bottom plate 3 and the roller shaft 23 is in a loose state, the bottom plate 3 moves downwards under the action of gravity of the projector 31 and other accessories, meanwhile, along with the downward movement of the bottom plate 3, the first connecting rod 33, the second connecting rod 34, the third connecting rod 35 and the fourth connecting rod 36 gradually extend from an initial folded state, and due to the fact that certain rotation damping exists in the rotation among the connecting rods, the bottom plate 3 is always kept horizontal with the storage bin 2 in the downward movement process, when the height difference between the projector 31 and a projection curtain is proper, the first servo motor 22 is closed, the bottom plate 3 hovers in the air under the action of the nylon rope 24 and the connecting rods, and the video conference can be conducted at the moment.

As shown in fig. 4, the bottom end of the supporting rod 1 is sequentially sleeved and fixed with the inner wall of the bearing 12 and the first helical gear 11 from bottom to top, the outer wall bottom surface of the bearing 12 is fixedly connected with the top surface of the storage bin 2, as shown in fig. 5-6, one side of the storage bin 2 is fixedly connected with the connecting plate 21, the top surface of the connecting plate 21 is fixedly connected with the first servo motor 22, the output end of the first servo motor 22 is sleeved and fixed with one end of the roller shaft 23, the other end of the roller shaft 23 penetrates through one side wall of the storage bin 2 and is rotatably connected with the inner side wall thereof, two ends of the roller shaft 23 are wound and fixed with one end of the nylon rope 24, as shown in fig. 7-8, two short sides of the top surface of the inner cavity of the storage bin 2 are sequentially and symmetrically fixedly connected with the first connecting lug 25 and the.

As shown in fig. 9, the middle of the top surface of the bottom plate 3 is fixedly connected with the projector 31, the position of the top surface of the bottom plate 3 corresponding to the first connecting lug 25 is fixedly connected with the second connecting lug 32, the second connecting lug 32 rotates to be connected with one end of the first connecting rod 33, the other end of the first connecting rod 33 rotates to be connected with one end of the second connecting rod 34, the other end of the second connecting rod 34 rotates to be connected with one end of the third connecting rod 35, the other end of the third connecting rod 35 rotates to be connected with one end of the fourth connecting rod 36, the other end of the fourth connecting rod 36 rotates to be connected with the first connecting lug 25, the bottom plate 3 and the storage bin 2 are sealed to be a complete box, the top surface of the storage bin 2 is fixedly connected with the second servo motor 27, the output end of the second servo motor 27 is fixedly connected with the second helical gear 28, the first helical gear.

When the projector 31 needs to be rotated, the second servo motor 27 is started, the output end of the second servo motor 27 drives the second bevel gear 28 to rotate, the top end of the support rod 1 is fixed on the ceiling, the support rod 1 and the storage bin 2 are connected through the bearing 12, when the transmission force of the first bevel gear 11 and the second bevel gear 28 act, the storage bin 2 fixedly connected with the second servo motor 27 rotates around the support rod 1, and when the angle is proper, the second servo motor 27 is closed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. The utility model provides a projection equipment for video conferencing, includes bracing piece (1), collecting storage (2) and bottom plate (3), its characterized in that, bracing piece (1) with be provided with bearing (12) that are used for adjusting projecting apparatus (31) turned angle between collecting storage (2), the inner chamber of collecting storage (2) is provided with and is used for promoting roller (23) and nylon rope (24) of bottom plate (3), in addition, collecting storage (2) with still be provided with between bottom plate (3) and be used for guaranteeing bottom plate (3) stabilize the head rod (33), second connecting rod (34), third connecting rod (35) and fourth connecting rod (36) that go up and down.

2. The projection device for the video conference as claimed in claim 1, wherein the bottom end of the support rod (1) is sequentially sleeved and fixed with the inner wall of the bearing (12) and the first bevel gear (11) from bottom to top, and the bottom surface of the outer wall of the bearing (12) is fixedly connected with the top surface of the storage bin (2).

3. The projection device for the video conference as claimed in claim 2, wherein one side of the storage bin (2) is fixedly connected with a connecting plate (21), the top surface of the connecting plate (21) is fixedly connected with a first servo motor (22), the output end of the first servo motor (22) is fixedly connected with one end of the roller shaft (23), the other end of the roller shaft (23) penetrates through one side wall of the storage bin (2) and is rotatably connected with the inner side wall of the storage bin, the two ends of the roller shaft (23) are fixedly wound on one end of the nylon rope (24), two short sides of the inner cavity top surface of the storage bin (2) are sequentially and symmetrically fixedly connected with a first connecting lug (25) and a limiting ring (26) relative to the vertical central plane of the two short sides, and the other end of the nylon rope (24) penetrates through the limiting ring (26) and is fixedly connected with the bottom plate (3).

4. The projection apparatus for video conference as claimed in claim 3, wherein the projector (31) is fixedly connected to the middle of the top surface of the base plate (3), the second connecting lug (32) is fixedly connected to the position of the top surface of the base plate (3) corresponding to the first connecting lug (25), the second connecting lug (32) is rotatably sleeved with one end of the first connecting rod (33), the other end of the first connecting rod (33) is rotatably connected with one end of the second connecting rod (34), the other end of the second connecting rod (34) is rotatably connected with one end of the third connecting rod (35), the other end of the third connecting rod (35) is rotatably connected with one end of the fourth connecting rod (36), and the other end of the fourth connecting rod (36) is rotatably sleeved with the first connecting lug (25).

5. The projection device for video conferencing as claimed in claim 4, wherein said base plate (3) and said receiving chamber (2) are sealed as a complete box.

6. The video conferencing projection apparatus according to claim 5, wherein the top surface of the storage bin (2) is fixedly connected with the second servo motor (27), and an output end of the second servo motor (27) is fixedly connected with the second bevel gear (28).

7. A video conferencing projection device according to claim 6, wherein the first bevel gear (11) and the second bevel gear (28) are cooperating members, which engage each other.