CN111263105A - Video conference projection frame - Google Patents
Video conference projection frame Download PDFInfo
- Publication number
- CN111263105A CN111263105A CN202010098752.1A CN202010098752A CN111263105A CN 111263105 A CN111263105 A CN 111263105A CN 202010098752 A CN202010098752 A CN 202010098752A CN 111263105 A CN111263105 A CN 111263105A
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- CN
- China
- Prior art keywords
- fixed
- curtain
- ball
- projection
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Abstract
The invention discloses a video conference projection frame which comprises a base, wherein a lifting assembly is arranged on the base, a ball sleeve is fixed at the upper end part of the lifting assembly, an adjusting ball is movably embedded in the ball sleeve, a connecting column is fixed on the adjusting ball, a fixing plate is arranged at the tail end of the connecting column, a fixing frame and a movable frame are arranged on the fixing plate, a second mounting plate is fixed at the upper tail end of the fixing frame, a curtain box is fixedly arranged on the second mounting plate, and a multi-stage elastic telescopic rod is fixed at the lower tail end of the movable frame. This video conference projection frame simple structure, occupation space is little, is provided with lifting unit, adjusting ball and multistage elastic telescopic rod respectively to the realization is to the regulation of the height of curtain, arbitrary angle and roughness, and it is nimble to adjust freely, and easy operation is swift, and the user demand in adaptable different places can be folded and accomodate after finishing using, is convenient for deposit and carry the transportation, and stable in structure is reliable, and the projection is effectual.
Description
Technical Field
The invention relates to the technical field of video conference auxiliary equipment, in particular to a video conference projection frame.
Background
Present video conferencing often uses the projecting apparatus, and the projecting apparatus is put on the desktop or is fixed in indoor ceiling usually, in order to obtain better projection effect, generally needs projection curtain and projecting apparatus cooperation to use, places the projection curtain on the projection frame, aligns the curtain with the projecting apparatus again and carries out the projection.
The existing projection frame is generally fixed on a wall, the projection direction of the projection frame is changed along with the change of the placement position of the projector, but the fixed projection frame is inconvenient for adjusting the angle and the position of the curtain, so that the curtain and the projector cannot be synchronously adjusted, the curtain and the projection direction of the projector cannot be always vertical, and the best projection effect cannot be displayed.
Disclosure of Invention
The invention aims to provide a video conference projection rack to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a video conference projection frame comprises a base, wherein a lifting assembly is mounted on the base, a first mounting plate is fixed at the upper end of the lifting assembly through a connecting plate, a ball sleeve is fixed at the middle part of the side wall of the first mounting plate, an adjusting ball is movably embedded in the ball sleeve, a connecting column is fixed on the adjusting ball, a fixing plate is mounted at the tail end of the connecting column, a fixing frame is mounted at the upper end of the fixing plate through a fixing bolt, the lower end of the fixing plate is rotatably connected with a movable frame through a rotating shaft, a second mounting plate is fixed at the upper tail end of the fixing frame, a curtain box is fixedly mounted on the second mounting plate, a curtain is wound in the curtain box, and a counterweight pipe is fixed at the; the end is fixed with multistage elastic telescopic rod under the adjustable shelf, the end is fixed with the erection column under the multistage elastic telescopic rod, it is connected with the support column to rotate between erection column and the counter weight pipe.
As a further scheme of the invention: the lifting component comprises a fixing sleeve, the number of the fixing sleeve is two, the fixing sleeve is symmetrically distributed on two sides of the upper end face of the base, a lifting column is arranged on a vertical sliding clamp in the fixing sleeve, the connecting plate is fixedly connected with the upper end side wall of the lifting column, a sliding groove is vertically formed in the side wall of the fixing sleeve, a fastening knob is spirally mounted on the side wall of the bottom of the lifting column facing the sliding groove, and one end of the fastening knob extends out of the sliding groove.
As a further scheme of the invention: a reinforcing rod is fixedly connected between the upper end parts of the lifting columns on the two sides.
As a further scheme of the invention: the ball sleeve and the adjusting ball are in interference fit.
As a further scheme of the invention: the number of stages of the multistage elastic telescopic rod is three.
As a further scheme of the invention: and a limiting plate is arranged at the top of the supporting column.
As a further scheme of the invention: the base up end department placed in the middle rotates through articulated seat and is connected with the balancing weight.
Compared with the prior art, the invention has the beneficial effects that:
this video conference projection frame simple structure, occupation space is little, is provided with lifting unit, adjusting ball and multistage elastic telescopic rod respectively to the realization is to the regulation of the height of curtain, arbitrary angle and roughness, and it is nimble to adjust freely, and easy operation is swift, and the user demand in adaptable different places can be folded and accomodate after finishing using, is convenient for deposit and carry the transportation, and stable in structure is reliable, and the projection is effectual.
Drawings
FIG. 1 is a perspective view of a video conference projection stand;
FIG. 2 is a side view of a video conference projector mount;
FIG. 3 is a perspective view of a screen in a video conference projection stand;
fig. 4 is a perspective view of a counterweight in a video conference projection frame.
In the figure: 1-base, 2-fixed sleeve, 3-lifting column, 4-chute, 5-fastening knob, 6-reinforcing rod, 7-connecting plate, 8-first mounting plate, 9-ball sleeve, 10-adjusting ball, 11-connecting column, 12-fixing plate, 13-fixing frame, 14-fixing bolt, 15-second mounting plate, 16-curtain box, 17-curtain, 18-counterweight pipe, 19-movable frame, 20-rotating shaft, 21-multi-stage elastic telescopic rod, 22-mounting column, 23-supporting column, 24-limiting plate, 25-hinged seat and 26-counterweight block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, a video conference projection frame includes a base 1, a lifting assembly is mounted on the base 1, a first mounting plate 8 is fixed at the upper end of the lifting assembly through a connecting plate 7, a ball sleeve 9 is fixed at the middle of the side wall of the first mounting plate 8, an adjusting ball 10 is movably embedded in the ball sleeve 9, a connecting post 11 is fixed on the adjusting ball 10, a fixing plate 12 is mounted at the tail end of the connecting post 11, a fixing frame 13 is mounted at the upper end of the fixing plate 12 through a fixing bolt 14, the lower end of the fixing plate 12 is rotatably connected with a movable frame 19 through a rotating shaft 20, a second mounting plate 15 is fixed at the upper tail end of the fixing frame 13, a curtain box 16 is fixedly mounted on the second mounting plate 15, a curtain 17 is wound in the curtain box 16, and a counterweight pipe 18 is fixed at the lower end of the; a multi-stage elastic telescopic rod 21 is fixed at the lower tail end of the movable frame 19, an installation column 22 is fixed at the lower tail end of the multi-stage elastic telescopic rod 21, and a support column 23 is rotatably connected between the installation column 22 and the counterweight pipe 18;
the specific structure of the lifting assembly is not limited, in this embodiment, preferably, the lifting assembly includes two fixing sleeves 2, the two fixing sleeves 2 are symmetrically distributed on two sides of the upper end surface of the base 1, a lifting column 3 is vertically slidably clamped in the fixing sleeves 2, the connecting plate 7 is fixedly connected with the side wall of the upper end of the lifting column 3, a sliding groove 4 is vertically formed in the side wall of the fixing sleeves 2, a fastening knob 5 is spirally mounted on the side wall of the bottom of the lifting column 3 facing the sliding groove 4, and one end of the fastening knob 5 extends out of the sliding groove 4;
in order to ensure the stability of the lifting assembly, a reinforcing rod 6 is fixedly connected between the upper end parts of the lifting columns 3 at the two sides, so that the height inconsistency in the lifting process of the lifting columns 3 at the two sides is avoided, the overall stability is improved, and the levelness of the first mounting plate 8 is ensured;
specifically, the height of the curtain 17 can be adjusted by loosening the fastening knob 5 and vertically sliding the lifting column 3 along the fixed sleeve 4, and after the height is adjusted to a proper height, the fastening knob 5 is screwed to complete the fixation; the angle of the curtain 17 can be adjusted in all directions by rotating the adjusting ball 10 in the ball sleeve 9; the multi-stage elastic telescopic rod 21 is always popped out under the action of an internal spring, so that the curtain 17 can be propped downwards by using the multi-stage elastic telescopic rod, the length of the curtain 17 can be automatically adapted to be unfolded, and the flatness of the curtain 17 can be ensured;
in order to ensure that the position of the curtain 17 is not changed in the projection process, after the adjustment is finished, the adjusting ball 10 cannot rotate relative to the ball sleeve 9 without the intervention of external force, so that the ball sleeve 9 and the adjusting ball 10 are in interference fit, a certain degree of friction force is ensured between the ball sleeve 9 and the adjusting ball 10, and the projection effect is ensured;
the specific number of stages of the multi-stage elastic telescopic rod 21 is not limited, and in this embodiment, preferably, the number of stages of the multi-stage elastic telescopic rod 21 is three;
in order to prevent the multi-stage elastic telescopic rods 21 from being separated from the counterweight pipes 18 during the process of opening the curtain 17, the top of the supporting column 23 is provided with a limiting plate 24.
The working principle of the embodiment is as follows:
firstly, loosening the fastening knob 5, vertically sliding the lifting column 3 along the fixed sleeve 4 to adjust the height of the curtain 17, and screwing the fastening knob 5 to complete fixation after adjusting to a proper height; the angle of the curtain 17 can be adjusted in all directions by rotating the adjusting ball 10 in the ball sleeve 9; multistage elastic telescopic rod 21 outwards pops out all the time under the effect of inside spring to usable it struts curtain 17 downwards, and the roughness of curtain 17 is guaranteed to the length of automatic adaptation expansion curtain 17.
Example 2
A video conference projection frame comprises a base 1, wherein a lifting assembly is installed on the base 1, the upper end of the lifting assembly is fixed with a first mounting plate 8 through a connecting plate 7, a ball sleeve 9 is fixed in the middle of the side wall of the first mounting plate 8, an adjusting ball 10 is embedded in the ball sleeve 9 in a movable manner, a connecting column 11 is fixed on the adjusting ball 10, a fixing plate 12 is installed at the tail end of the connecting column 11, a fixing frame 13 is installed at the upper end of the fixing plate 12 through a fixing bolt 14, the lower end of the fixing plate 12 is rotatably connected with a movable frame 19 through a rotating shaft 20, a second mounting plate 15 is fixed at the upper tail end of the fixing frame 13, a curtain box 16 is fixedly installed on the second mounting plate 15, a curtain 17 is wound in the curtain box 16, and a counterweight pipe 18 is fixed at the lower; a multi-stage elastic telescopic rod 21 is fixed at the lower tail end of the movable frame 19, an installation column 22 is fixed at the lower tail end of the multi-stage elastic telescopic rod 21, and a support column 23 is rotatably connected between the installation column 22 and the counterweight pipe 18;
referring to fig. 4, since the curtain box 16, the adjusting ball 10 and other components in the video conference projection rack are located on the same side of the lifting assembly, the front and rear sides of the lifting assembly are stressed differently, and in order to avoid the lifting assembly from tipping forward due to insufficient supporting effect of the base 1 in the use process, in this embodiment, the center of the upper end surface of the base 1 is rotatably connected with the counterweight block 26 through the hinge seat 25, and when in use, the counterweight block 26 is turned over to the rear side to be in contact with the ground, so that the stability of the base 1 is improved, and the occurrence of side tipping is avoided.
This video conference projection frame simple structure, occupation space is little, is provided with lifting unit, adjusting ball 10 and multistage elastic telescopic rod 21 respectively to the realization is to the regulation of the height of curtain 17, arbitrary angle and roughness, and it is nimble to adjust freely, and easy operation is swift, the user demand in adaptable different places, and the folding accomodating that can fold that finishes using is convenient for deposit and carry the transportation, and stable in structure is reliable, and the projection is effectual.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a video conference projection frame, includes base (1), its characterized in that, install lifting unit on base (1), the lifting unit upper end is fixed with first mounting panel (8) through connecting plate (7), first mounting panel (8) lateral wall is fixed with ball cover (9) at the middle part in the house, ball cover (9) internalization is inlayed and is equipped with adjusting ball (10), be fixed with spliced pole (11) on adjusting ball (10), fixed plate (12) are installed to spliced pole (11) end, mount (13) are installed through fixing bolt (14) in fixed plate (12) upper end, and fixed plate (12) lower extreme is rotated through pivot (20) and is connected with activity frame (19), end is fixed with second mounting panel (15) on mount (13), fixed mounting has curtain box (16) on second mounting panel (15), there is rolling curtain (17) in curtain box (16), a counterweight pipe (18) is fixed at the lower end of the curtain (17); the end is fixed with multistage elastic telescopic rod (21) under adjustable shelf (19), end is fixed with erection column (22) under multistage elastic telescopic rod (21), it is connected with support column (23) to rotate between erection column (22) and counter weight pipe (18).
2. The video conference projection rack according to claim 1, wherein the lifting assembly comprises two fixing sleeves (2), the two fixing sleeves (2) are symmetrically distributed on two sides of the upper end face of the base (1), a lifting column (3) is vertically slidably clamped in the fixing sleeves (2), the connecting plate (7) is fixedly connected with the side wall of the upper end of the lifting column (3), a sliding groove (4) is vertically formed in the side wall of the fixing sleeves (2), a fastening knob (5) is spirally mounted on the side wall of the bottom of the lifting column (3) facing the sliding groove (4), and one end of the fastening knob (5) extends out of the sliding groove (4).
3. Video conferencing projection frame according to claim 2, wherein a reinforcing bar (6) is fixedly connected between the upper ends of the two side lifting columns (3).
4. Video conferencing projection frame according to claim 1, wherein the ball sleeve (9) and the adjustment ball (10) are in an interference fit.
5. A video conferencing projection frame as claimed in claim 3, wherein the number of stages of the multi-stage flexible telescopic rod (21) is three.
6. Video conference projection stand according to claim 2, wherein a stopper plate (24) is provided on top of the support column (23).
7. Video conferencing projection frame according to any of claims 1-6, wherein a counterweight (26) is rotatably connected to the center of the upper end surface of the base (1) via a hinge seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098752.1A CN111263105A (en) | 2020-02-18 | 2020-02-18 | Video conference projection frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098752.1A CN111263105A (en) | 2020-02-18 | 2020-02-18 | Video conference projection frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111263105A true CN111263105A (en) | 2020-06-09 |
Family
ID=70951074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010098752.1A Pending CN111263105A (en) | 2020-02-18 | 2020-02-18 | Video conference projection frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111263105A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291544A (en) * | 2020-10-28 | 2021-01-29 | 四川传媒学院 | Multi-angle projection arrangement that visual transmission design was used |
| CN112916456A (en) * | 2021-01-13 | 2021-06-08 | 吴建华 | Vocational skill training is with explanation curtain shrink cleaning device |
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| US20160238920A1 (en) * | 2015-02-13 | 2016-08-18 | Young Optics Inc. | Projection device and display rack |
| CN207864974U (en) * | 2018-01-04 | 2018-09-14 | 厦门信牌照明有限公司 | A kind of LCD liquid crystal display supports |
| CN208126097U (en) * | 2018-04-28 | 2018-11-20 | 四川大源文创科技有限公司 | A kind of easy-to-mount projection screen |
| CN208654524U (en) * | 2018-08-31 | 2019-03-26 | 广西佳微科技股份有限公司 | A kind of portable vehicle projection screen |
| CN208752388U (en) * | 2018-09-18 | 2019-04-16 | 扬州锐声电子科技有限公司 | A kind of HD video conference projection curtain |
| CN109870875A (en) * | 2019-04-15 | 2019-06-11 | 贾涵楠 | A kind of wrap-up projection screen and its application method with high stability |
| CN110647003A (en) * | 2019-09-29 | 2020-01-03 | 深圳市火乐科技发展有限公司 | Curtain lifting mechanism and projection equipment |
| CN110767032A (en) * | 2019-11-25 | 2020-02-07 | 湖南玉尚艺术培训学校有限责任公司 | Teaching equipment for music teaching |
-
2020
- 2020-02-18 CN CN202010098752.1A patent/CN111263105A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160238920A1 (en) * | 2015-02-13 | 2016-08-18 | Young Optics Inc. | Projection device and display rack |
| CN207864974U (en) * | 2018-01-04 | 2018-09-14 | 厦门信牌照明有限公司 | A kind of LCD liquid crystal display supports |
| CN208126097U (en) * | 2018-04-28 | 2018-11-20 | 四川大源文创科技有限公司 | A kind of easy-to-mount projection screen |
| CN208654524U (en) * | 2018-08-31 | 2019-03-26 | 广西佳微科技股份有限公司 | A kind of portable vehicle projection screen |
| CN208752388U (en) * | 2018-09-18 | 2019-04-16 | 扬州锐声电子科技有限公司 | A kind of HD video conference projection curtain |
| CN109870875A (en) * | 2019-04-15 | 2019-06-11 | 贾涵楠 | A kind of wrap-up projection screen and its application method with high stability |
| CN110647003A (en) * | 2019-09-29 | 2020-01-03 | 深圳市火乐科技发展有限公司 | Curtain lifting mechanism and projection equipment |
| CN110767032A (en) * | 2019-11-25 | 2020-02-07 | 湖南玉尚艺术培训学校有限责任公司 | Teaching equipment for music teaching |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291544A (en) * | 2020-10-28 | 2021-01-29 | 四川传媒学院 | Multi-angle projection arrangement that visual transmission design was used |
| CN112916456A (en) * | 2021-01-13 | 2021-06-08 | 吴建华 | Vocational skill training is with explanation curtain shrink cleaning device |
| CN112916456B (en) * | 2021-01-13 | 2023-04-28 | 福建省交通人力资源有限公司 | Teaching curtain contraction cleaning device for vocational skill training |
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Application publication date: 20200609 |