CN112562500B - Conference display screen with turning function - Google Patents

Conference display screen with turning function Download PDF

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Publication number
CN112562500B
CN112562500B CN202011499416.4A CN202011499416A CN112562500B CN 112562500 B CN112562500 B CN 112562500B CN 202011499416 A CN202011499416 A CN 202011499416A CN 112562500 B CN112562500 B CN 112562500B
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China
Prior art keywords
display screen
box body
bearing
lifting
rod
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CN202011499416.4A
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Chinese (zh)
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CN112562500A (en
Inventor
马胜
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Guangzhou Jingcheng Huitong Electronic Technology Co ltd
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Guangzhou Jingcheng Huitong Electronic Technology Co ltd
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Priority to CN202011499416.4A priority Critical patent/CN112562500B/en
Publication of CN112562500A publication Critical patent/CN112562500A/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention discloses a conference display screen with a turnover function, which comprises a display screen connected to a box body in a shaft mode, wherein a linear motion mechanism and a lifting motion mechanism are arranged in the box body, the linear motion mechanism comprises a rod rack and a push rod, the rod rack is driven by a first motor to transversely reciprocate, one end of the push rod is connected with the rod rack shaft, and the other end of the push rod is connected with the display screen shaft; the lifting motion mechanism comprises a sliding block and a lifting frame, the sliding block and the rod body rack synchronously move in the same direction, the sliding block is provided with a sliding lifting groove, the lifting frame is provided with a first bearing, and the first bearing penetrates through the sliding lifting groove and is embedded into a box body lifting groove in the vertical setting of the side wall of the box body. The rod rack of the invention drives the display screen to turn, the slide block and the rod rack move synchronously and drive the lifting frame to move up and down, and the transmission structure is simple, stable and reliable.

Description

Conference display screen with turning function
Technical Field
The invention belongs to the field of multimedia conference equipment, and particularly relates to a conference display screen with a turning function.
Background
The conference display screen is an important component of a conference system, and with the popularization of an intelligent hidden conference system, the conference display screen with the turning function is gradually applied to various high-grade conference halls, trading halls, advanced multimedia network systems and office furniture places.
When the multifunctional desk is used, the display screen is automatically opened and turned to a specific angle under the driving of the motor, and meanwhile, the keyboard, the mouse and the like are automatically lifted to be flush with the desktop; when the desktop is not used, the display screen can be automatically turned over and closed under the driving of the motor, and meanwhile, the keyboard, the mouse and the like automatically sink and are hidden in the desktop.
However, the transmission structure in the current conference display screen generally has the problems of complex structure, low transmission reliability and the like, and therefore, the improvement of the transmission structure is needed.
Disclosure of Invention
The invention aims to provide a conference display screen with a turning function, which can hide the display screen and has a simple, stable and reliable transmission structure.
The technical problem is solved by the following technical scheme: the utility model provides a meeting display screen with upset function, includes the display screen of hub connection on the box, wherein is equipped with in the box:
the linear motion mechanism comprises a rod body rack and a push rod, the rod body rack is driven by a first motor to transversely reciprocate, one end of the push rod is connected with the rod body rack shaft, and the other end of the push rod is connected with the display screen shaft;
the lifting motion mechanism comprises a sliding block and a lifting frame, the sliding block and the rod body rack synchronously move in the same direction, the sliding block is provided with a sliding lifting groove, the lifting frame is provided with a first bearing, and the first bearing penetrates through the sliding lifting groove and is embedded into a box body lifting groove in the vertical setting of the side wall of the box body.
Compared with the background technology, the invention has the following beneficial effects: the rod rack drives the display screen to turn, the slide block and the rod rack move synchronously and drive the lifting frame to move up and down, and the transmission structure is simple, stable and reliable.
In one embodiment, the sliding lifting groove comprises a horizontal groove and an arc-shaped groove, the arc-shaped groove is communicated with the horizontal groove and is tilted upwards, the box body lifting groove is a vertical groove, and the sliding lifting groove is overlapped with the box body lifting groove.
Has the advantages that: the sliding lifting groove is superposed with the box body lifting groove, and the lifting frame can be driven to move up and down along the box body lifting groove during sliding movement.
In one embodiment, the lifting frame is further provided with a second bearing, the first bearing and the second bearing are arranged up and down, and the second bearing avoids the sliding lifting groove and is embedded into a box body lifting groove vertically arranged on the side wall of the box body.
Has the advantages that: the second bearing helps to improve the stability of the lifting frame moving up and down along the box lifting groove.
In one embodiment, the rod rack is arranged in the middle of the box body, the sliding blocks are arranged on two sides of the box body, the synchronous connecting rod is longitudinally arranged in the box body, two ends of the synchronous connecting rod are respectively connected with the sliding blocks, and the rack is connected in the middle of the synchronous connecting rod.
In one embodiment, the sliding block is transversely provided with a guide groove, the side wall of the box body is provided with a pin, and the pin is inserted into the guide groove.
Has the advantages that: under the effect of the synchronous connecting rod, the pin is matched with the guide groove, so that the sliding block is effectively guaranteed to move stably and cannot be loosened.
In one embodiment, the two sides of the box body are provided with bearing beams, and the sliding blocks are arranged on the bearing beams and slide along the bearing beams.
In one embodiment, the slide block and the support beams are in wedge fit, the pin is a flexible pin, the two support beams are respectively and transversely provided with a beam body rack, a synchronous gear is arranged between the two beam body racks, and the synchronous gear is driven by a second motor.
Has the advantages that: the wedge cooperation between slider and the bearing beam makes the user can conveniently adjust the lift height of crane, satisfies different use occasion demands.
In one embodiment, the beam body rack is coupled to the joist shaft.
Has the advantages that: when the lifting heights of the two lifting frames have errors and are different, a user can not selectively swing the rack of the beam body, so that the rack of the beam body is separated from the synchronous gear, and the lifting height of one lifting frame is independently adjusted.
In one embodiment, the lifting frame is provided with a platform board, the platform board is provided with an angle sensor, and a control circuit controls the second motor to be switched on and off according to a signal fed back by the angle sensor.
Has the advantages that: the angle sensor detects the gradient of the platform plate, and when the gradient of the platform plate is greater than a set value, namely the lifting height error of the two lifting frames is greater than the set value, the control circuit controls the second motor to be closed so as to protect equipment.
In one embodiment, the first motor is provided with an amplitude sensor, and a control circuit controls the opening and closing of the first motor according to a signal fed back by the amplitude sensor.
Has the advantages that: the amplitude sensor detects the amplitude of the first motor, when the motion of the first motor is blocked, the amplitude is increased, and when the amplitude is larger than a set value, the control circuit controls the second motor to be closed so as to protect equipment.
According to the above embodiments, the combined embodiments can be combined arbitrarily according to the design requirements of the product without any contradiction in the technical scheme.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic view of one embodiment of a slider and a joist according to the present invention;
wherein: the automatic lifting device comprises a box body 1, a first motor 11, a second motor 12, a box body lifting groove 13, a pin 14, a display screen 2, a rod body rack 3, a push rod 4, a sliding block 5, a sliding lifting groove 51, a guide groove 52, a lifting frame 6, a first bearing 61, a second bearing 62, a synchronous connecting rod 7, a bearing beam 8, a beam body rack 81, a synchronous gear 82 and a platform deck 9.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, fig. 2 and fig. 3, the conference display screen with the turning function of the embodiment includes a display screen 2 connected to a box 1 through a shaft, and a linear motion mechanism and a lifting motion mechanism are arranged in the box 1.
The linear motion mechanism comprises a rod body rack 3 and a push rod 4, the rod body rack 3 is driven by a first motor 11 to transversely reciprocate, one end of the push rod 4 is connected with the rod body rack 3 in a shaft mode, and the other end of the push rod is connected with the display screen 2 in a shaft mode. The rod rack 3 is arranged in the middle of the box body 1, the sliding blocks 5 are arranged on two sides of the box body 1, the synchronous connecting rod 7 is longitudinally arranged inside the box body 1, two ends of the synchronous connecting rod 7 are respectively connected with the sliding blocks 5, and the rod rack 3 is connected in the middle of the synchronous connecting rod 7. The first motor 11 is provided with an amplitude sensor, and the control circuit controls the opening and closing of the first motor 11 according to a signal fed back by the amplitude sensor.
The lifting movement mechanism comprises a slider 5 and a lifting frame 6, the slider 5 and the rod rack 3 synchronously move in the same direction, the slider 5 is provided with a sliding lifting groove 51, the lifting frame 6 is provided with a first bearing 61 and a second bearing 62, and the first bearing 61 and the second bearing 62 are arranged up and down. The first bearing 61 passes through the sliding lifting groove 51 and is embedded into the vertically arranged box lifting groove 13 on the side wall of the box body 1, and the second bearing 62 avoids the sliding lifting groove 51 and is embedded into the vertically arranged box lifting groove 13 on the side wall of the box body 1.
The sliding lifting groove 51 comprises a horizontal groove and an arc-shaped groove, the arc-shaped groove is communicated with the horizontal groove and upwards tilts, the box body lifting groove 13 is a vertical groove, and the sliding lifting groove 51 is superposed with the box body lifting groove 13.
Two sides of the box body 1 are provided with bearing beams 8, and the slide block 5 is arranged on the bearing beams 8 and slides along the bearing beams 8. The sliding block 5 is transversely provided with a guide groove 52, the side wall of the box body 1 is provided with a pin 14, and the pin 14 is inserted into the guide groove 52. Platform board 9 is installed to crane 6, and angle sensor is installed to platform board 9, and control circuit controls the switching of second motor 12 according to the signal control of angle sensor feedback.
The working principle is as follows: when the first motor 11 rotates clockwise, the rod body rack 3 drives the push rod 4 and the slide block 5 to synchronously move leftwards, the display screen 2 is turned over and opened, and the slide block 5 presses through the sliding lifting groove 51 to enable the lifting frame 6 (the platform plate 9) to ascend along the box body lifting groove 13; when first motor 11 anticlockwise rotation, body of rod rack 3 drives push rod 4 and the synchronous right motion of slider 5, and the upset of display screen 2 is closed, and slider 5 presses through slip lifting groove 51 and makes crane 6 (landing slab 9) descend along box lifting groove 13. If the motion of the lifting frame 6 (the platform plate 9) is blocked, the amplitude of the first motor 11 is increased, and when the amplitude is larger than a set value, the control circuit controls the first motor 11 to be switched on and switched off according to a signal fed back by the amplitude sensor.
In order to adjust the lifting height of the platform plate 9 conveniently, as shown in fig. 4, the sliding block 5 is in wedge fit with the supporting beam 8, and the pin 14 is a flexible pin. When the slider 5 moves along the wedge surface, the guide groove 52 presses the pin 14 to be bent, and simultaneously the lifting frame 6 ascends or descends along with the bending, so that the height adjustment of the lifting frame 6 is realized.
Two bearing beams 8 are respectively transversely provided with beam body racks 81, a synchronous gear 82 is arranged between the two beam body racks 81, and the synchronous gear 82 is driven by the second motor 12 to ensure that the heights of the two sliding blocks 5 are consistent, namely, the platform plate 9 is in a horizontal state. Of course, if the platform board 9 is inclined and greater than the set value, the control circuit controls the second motor 12 to open and close according to the signal fed back by the angle sensor. The beam rack 81 is connected with the bearing beam 8 through a shaft, and at the moment, a user swings the beam rack 81 to enable the beam rack 81 to be separated from the synchronous gear 82, so that the sliding block 5 on one side is adjusted.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a meeting display screen with upset function, includes display screen (2) of hub connection on box (1), its characterized in that: the inside of the box body (1) is provided with
The linear motion mechanism comprises a rod body rack (3) and a push rod (4), the rod body rack (3) is driven by a first motor (11) to transversely reciprocate, one end of the push rod (4) is connected with the rod body rack (3) in a shaft mode, and the other end of the push rod (4) is connected with the display screen (2) in a shaft mode;
the lifting motion mechanism comprises a sliding block (5) and a lifting frame (6), the sliding block (5) and the rod body rack (3) are connected through a synchronous connecting rod (7) and synchronously move in the same direction, the sliding block (5) is provided with a sliding lifting groove (51), the lifting frame (6) is provided with a first bearing (61), and the first bearing (61) penetrates through the sliding lifting groove (51) and is embedded into a box body lifting groove (13) vertically arranged on the side wall of the box body (1);
the lifting frame (6) is further provided with a second bearing (62), the first bearing (61) and the second bearing (62) are arranged up and down, and the second bearing (62) avoids the sliding lifting groove (51) and is embedded into the box body lifting groove (13) vertically arranged on the side wall of the box body (1).
2. The conference display screen with the flip function as claimed in claim 1, wherein: the sliding lifting groove (51) comprises a horizontal groove and an arc-shaped groove, the arc-shaped groove is communicated with the horizontal groove and upwards tilts, the box body lifting groove (13) is a vertical groove, and the sliding lifting groove (51) is superposed with the box body lifting groove (13).
3. The conference display screen with the flip function as claimed in claim 1, wherein: the rod rack (3) is arranged in the middle of the box body (1), the sliding blocks (5) are arranged on two sides of the box body (1), the synchronous connecting rods (7) are longitudinally arranged inside the box body (1), two ends of each synchronous connecting rod (7) are respectively connected with the sliding blocks (5), and the rod rack (3) is connected in the middle of each synchronous connecting rod (7).
4. The conference display screen with the flip function according to any one of claims 1 to 3, wherein: the sliding block (5) is transversely provided with a guide groove (52), the side wall of the box body (1) is provided with a pin (14), and the pin (14) is inserted into the guide groove (52).
5. The conference display screen with the flip function as claimed in claim 4, wherein: the box body (1) is provided with bearing beams (8) on two sides, and the sliding block (5) is arranged on the bearing beams (8) and slides along the bearing beams (8).
6. The conference display screen with the flip function as claimed in claim 5, wherein: the sliding block (5) is in wedge fit with the supporting beams (8), the pin (14) is a flexible pin, the two supporting beams (8) are respectively and transversely provided with beam body racks (81), a synchronous gear (82) is arranged between the two beam body racks (81), and the synchronous gear (82) is driven by the second motor (12).
7. The conference display screen with the flip function as claimed in claim 6, wherein: the beam body rack (81) is connected with the bearing beam (8) through a shaft.
8. The conference display screen with the flip function as claimed in claim 6, wherein: platform board (9) are installed in crane (6), and angle sensor is installed in platform board (9), and a control circuit controls second motor (12) switching according to the signal control of angle sensor feedback.
9. The conference display screen with the flip function as claimed in claim 6, wherein: the first motor (11) is provided with an amplitude sensor, and a control circuit controls the first motor (11) to be switched on and off according to a signal fed back by the amplitude sensor.
CN202011499416.4A 2020-12-17 2020-12-17 Conference display screen with turning function Active CN112562500B (en)

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Application Number Priority Date Filing Date Title
CN202011499416.4A CN112562500B (en) 2020-12-17 2020-12-17 Conference display screen with turning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011499416.4A CN112562500B (en) 2020-12-17 2020-12-17 Conference display screen with turning function

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CN112562500A CN112562500A (en) 2021-03-26
CN112562500B true CN112562500B (en) 2022-09-16

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113551122A (en) * 2021-07-15 2021-10-26 深圳英飞数字技术有限公司 Back-turnover intelligent conference system and screen turner
CN113299203B (en) * 2021-07-28 2021-11-09 深圳市传光显示技术有限公司 LED display screen that can accomodate
CN114427641B (en) * 2021-12-29 2023-05-16 盐城市经纬测绘科技有限公司 Building verticality measuring device and measuring method thereof
CN115638329B (en) * 2022-10-25 2023-08-11 广州精成会通电子科技有限公司 Conference control device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102166994A (en) * 2011-03-18 2011-08-31 沈诗文 Translation and overturn drive device for vehicle-mounted navigation system
CN207742606U (en) * 2017-12-21 2018-08-17 广州迅控电子科技有限公司 New automatic display screen turnover device with finger function
CN207742423U (en) * 2017-12-21 2018-08-17 广州迅控电子科技有限公司 Novel liquid crystal display screen turnover device with keyboard and mouse
CN210004044U (en) * 2019-03-08 2020-01-31 利富高(香港)有限公司 Screen lifting mechanism
CN110260119B (en) * 2019-07-18 2024-03-26 四川湖山电器股份有限公司 Screen turning device of paperless conference system
CN212004896U (en) * 2020-04-13 2020-11-24 东莞三合智能设备有限公司 Display screen lifter

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