CN111550643A - Upright post component of multimedia audio-visual equipment - Google Patents

Upright post component of multimedia audio-visual equipment Download PDF

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Publication number
CN111550643A
CN111550643A CN202010254648.7A CN202010254648A CN111550643A CN 111550643 A CN111550643 A CN 111550643A CN 202010254648 A CN202010254648 A CN 202010254648A CN 111550643 A CN111550643 A CN 111550643A
Authority
CN
China
Prior art keywords
screw
cylinder
base
plate
fixedly provided
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.)
Withdrawn
Application number
CN202010254648.7A
Other languages
Chinese (zh)
Inventor
纪元元
马修
王新月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Jiaotong University
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Dalian Jiaotong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Jiaotong University filed Critical Dalian Jiaotong University
Priority to CN202010254648.7A priority Critical patent/CN111550643A/en
Publication of CN111550643A publication Critical patent/CN111550643A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages 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
    • F16M11/26—Undercarriages 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 by telescoping, with or without folding
    • F16M11/28—Undercarriages for supports with one single telescoping pillar
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model provides a stand subassembly of multimedia audio-visual equipment, the on-line screen storage device comprises a base, the stiff end lower extreme of first cylinder of base top surface one side fixed mounting, the bottom surface of the expansion end upper end fixed connection fly leaf of first cylinder, the articulated lower extreme of connecting the riser in one side of fly leaf, the front side and the stiff end lower extreme of rear side articulated connection second cylinder respectively of the top surface of fly leaf, the expansion end upper end of two second cylinders articulates respectively anterior or the rear side that riser one side corresponds, the through-hole is seted up to riser one side, the through-hole inner wall passes through the articulated seat of bearing installation. This device can remove, and application range is wide, and is nimble convenient, can be used for different occasions, and the user puts the multi-media display on the soft pad, and when the user removed this device, the soft pad can play buffering cushioning effect, plays the guard action to the multi-media display, can avoid the display screen of multi-media display to receive the striking simultaneously and lead to damaging.

Description

Upright post component of multimedia audio-visual equipment
Technical Field
The invention belongs to the field of multimedia audio-visual equipment, and particularly relates to a stand column assembly of the multimedia audio-visual equipment.
Background
Thanks to the rapid development of computer technology, the multimedia display interactive all-in-one machine is widely applied to education and teaching with the advantages of luxuriant pictures and texts, simplicity and easy use, and the like, the system only needs to lightly touch icons or characters of a large screen display by fingers, or the teaching contents are difficult to be changed into easy contents and abstract into concrete contents by directly handwriting, thereby enhancing the teaching interactivity and leading the teaching to be more concise and efficient, the wall-mounted mounting mode is not convenient to move although the structure is firm, and the mobile device with independent support bracket is convenient for moving, but has insufficient protection for the multimedia display, when the removal does not use, cause the destruction easily, the multi-media display can only be carried out horizontal screen and place, when the vertical screen video of broadcast, the student watches inconveniently to the installation of multi-media display is dismantled inconveniently, is not convenient for maintain or change.
Disclosure of Invention
The invention provides a column component of multimedia audio-visual equipment, which is used for solving the defects in the prior art.
The invention is realized by the following technical scheme:
a column assembly of multimedia audio-visual equipment comprises a base, wherein one side of the top surface of the base is fixedly provided with the lower end of the fixed end of a first air cylinder, the upper end of the movable end of the first air cylinder is fixedly connected with the bottom surface of a movable plate, one side of the movable plate is hinged with the lower end of a vertical plate, the front side and the rear side of the top surface of the movable plate are respectively hinged with the lower end of the fixed end of a second air cylinder, the upper ends of the movable ends of two second air cylinders are respectively hinged with the front part or the rear side corresponding to one side of the vertical plate, one side of the vertical plate is provided with a through hole, the inner wall of the through hole is provided with a hinged seat through a bearing, one side of the hinged seat is hinged with one end of a fixed rod, the other end of the fixed rod is connected with one side, the bottom surface four corners of base is fixed mounting universal wheel respectively, the stiff end one end of a telescopic link of opposite side periphery fixed connection of articulated seat, swivel nut outer wall one side is connected through the bearing in the expansion end one side of telescopic link, the positive motor that changes is just reversing in the preceding fixed mounting at one side top of riser, the front end of the first screw rod of the output shaft fixed connection of the positive motor that changes, the first fixed plate one side of the back fixed connection at one side top of riser, the rear end of first screw rod passes through the bearing and connects the front of first fixed plate, first screw rod passes the swivel nut and screw-thread fit with it, the front end and the rear end periphery of first screw rod are fixed mounting spacing ring respectively, the front and back of base are fixed mounting fixing device respectively.
According to the stand column component of the multimedia audio-visual equipment, the front surface and the rear surface of the other side of the base are respectively and fixedly provided with the hook, the top surface of the base is movably provided with the winding shaft through the fixed frame and the torsion spring, the winding shaft is positioned between the soft cushion and the first air cylinder, the winding shaft is wound with the dustproof cloth, and the front side and the rear side of one end of the dustproof cloth are respectively and fixedly provided with the retaining ring.
According to the upright post component of the multimedia audio-visual equipment, the top surface and the bottom surface of the other side of the vertical plate are respectively and fixedly provided with the heat dissipation fan.
The upright post component of the multimedia audio-visual equipment comprises fixing devices, second fixing plates, second screw rods, screw holes and contact plates, wherein the two second fixing plates are fixedly arranged in front of and behind the base respectively, the screw hole is formed in the top surface of each second fixing plate, the two second screw rods respectively penetrate through the corresponding screw holes and are in threaded fit with the screw holes, and the top surfaces of the two contact plates are respectively hinged with the lower ends of the corresponding second screw rods.
According to the upright post component of the multimedia audio-visual equipment, the upper end of the second screw rod is fixedly provided with the rotating handle driving the anti-skid grains, and the bottom surface of the contact plate is provided with the fixing nail.
According to the upright post component of the multimedia audio-visual equipment, the controller is fixedly arranged on one side of the top surface of the base, and the controller is connected with the first air cylinder, the second air cylinder, the third air cylinder and the positive and negative rotation motor through circuits.
The invention has the advantages that: the device is used for fixing multimedia equipment, a user drives the device to move through a universal wheel, the user fixes the device through a fixing device to prevent the device from moving, the user places a display screen of a multimedia display downwards on a soft cushion, the user controls a second air cylinder to extend, the second air cylinder extends to drive a vertical plate to rotate and enable the vertical plate to be in a horizontal state, the user controls a first air cylinder to contract, the first air cylinder contracts through a movable plate and the vertical plate to drive a hinged seat to move downwards, the user connects one side of the multimedia display, which is fixedly installed, with a fixed rod, the user connects one side of the multimedia display, which is fixedly installed, with a movable end of a third air cylinder, the user controls the first air cylinder to extend, the first air cylinder extends through the movable plate, the vertical plate, the hinged seat, the connecting rod and the third air cylinder to, the user controls the contraction of the second air cylinder, the contraction of the second air cylinder drives the vertical plate to rotate and be in a vertical state, the vertical plate rotates to drive the multimedia display through the hinge seat, the connecting rod and the third air cylinder and be in a vertical state, the student is shown in a teaching way through the multimedia display, the user can control the first air cylinder to adjust, so that the height of the multimedia display is changed, the student can watch the multimedia display conveniently, the user can adjust the length of the third air cylinder, so that the angle of the multimedia display is changed, the student can watch the multimedia display conveniently, the user can control the rotation of the output shaft of the forward and reverse motor, the rotation of the output shaft of the forward and reverse motor drives the rotation of the first screw rod, the rotation of the first screw rod enables the screw sleeve to move along the screw rod, the movement of the screw sleeve drives, the swivel nut contacts with one of the limit rings, the swivel nut moves and contacts with another limit ring, so that the hinged seat rotates 90 degrees, the hinged seat rotates 90 degrees to drive the multimedia display to rotate 90 degrees, thereby realizing the change of the transverse screen and the vertical screen of the multimedia display, when the device is not used, a user controls the extension of the second cylinder and the shortening of the first cylinder, so that the display screen of the multimedia display contacts with the top surface of the cushion, the display screen of the multimedia display is prevented from being damaged, the device can move, has wide application range, is flexible and convenient, can be used in different occasions, the user places the multimedia display on the cushion, when the user moves the device, the cushion can play a role in buffering and damping, plays a role in protecting the multimedia display, and simultaneously can prevent the display screen of the multimedia display from being damaged due to collision, only one labor-consuming process is needed to move the multimedia display onto the soft pad, the labor is saved compared with the existing installation mode, the multimedia display is convenient to use and detach from the device, a user can detach the multimedia display, control the first air cylinder to extend and the second air cylinder to contract so that the vertical plate moves upwards and rotates, space above the multimedia display can be vacated, the multimedia display is convenient to detach and maintain by the user, after the multimedia display is installed, the user can drive the multimedia display to move upwards and rotate by controlling the first air cylinder to extend and the second air cylinder to contract, the multimedia display is convenient to watch by students, the user can change the angle of the multimedia display by controlling the third air cylinder to extend and retract, the students can watch by the students, and the user can realize the switching between the transverse screen and the vertical screen of the multimedia display by controlling the rotation of the positive and negative rotation motor, use more conveniently, the horizontal screen of multi-media display has the person of facilitating the use to teach with the switching of erecting the screen, and this device can make the multi-media display be located and transversely place and vertical the placing in addition, and the person of facilitating the use clears up the multi-media display, and this device simple structure is convenient for produce and make.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the view from the direction A of FIG. 1; fig. 3 is an enlarged view of the view from direction B of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A column assembly of multimedia audio-visual equipment comprises a base 1, wherein the lower end of the fixed end of a first air cylinder 2 is fixedly arranged on one side of the top surface of the base, the upper end of the movable end of the first air cylinder 2 is fixedly connected with the bottom surface of a movable plate 3, one side of the movable plate 3 is hinged with the lower end of a vertical plate 4, the front side and the rear side of the top surface of the movable plate 3 are respectively hinged with the lower end of the fixed end of a second air cylinder 5, the upper ends of the movable ends of the two second air cylinders 5 are respectively hinged with the front part or the rear side corresponding to one side of the vertical plate 4, the movable end of the second air cylinder 5 positioned in front is hinged with the front side of one side of the vertical plate 4, the movable end of the second air cylinder 5 positioned in rear is hinged with the rear side of one side of the vertical plate 4, a through hole 30 is arranged on one side of the vertical plate, one side of the hinged seat 6 is hinged and connected with one end of a fixed rod 7, the other end of the fixed rod 7 is connected with one side of a multimedia display 8, the fixed rod 7 is fixedly connected with one side of the multimedia display 8 which is fixedly arranged, the other side of the multimedia display 8 is a display screen, the top and the bottom of one side of the hinged seat 6 are respectively hinged and connected with one end of the fixed end of a third air cylinder 9, one ends of the movable ends of two third air cylinders 9 are hinged and connected with one side of the multimedia display 8, the movable ends of the two third air cylinders 9 and the other end of the fixed rod 7 can be detachably connected with one side of the fixed plate which is fixedly arranged, for example, the other end of the fixed rod 7 is fixedly connected with one side of a fixed plate, one ends of the movable ends of the two third air cylinders 9, a bolt is arranged in each through hole and is in threaded fit with a corresponding screw hole, the concrete connection mode of the bolt is applied to daily life and is common knowledge, a cushion 10 is fixedly arranged on the other side of the top surface of a base 1, universal wheels 11 are respectively and fixedly arranged on four corners of the bottom surface of the base 1, one end of the fixed end of a telescopic rod 12 is fixedly connected with the periphery of the other side of a hinged seat 6, one side of the movable end of the telescopic rod 12 is connected with one side of the outer wall of a threaded sleeve 13 through a bearing, one side of the movable end of the telescopic rod 12 is fixedly connected with one side of the outer ring of the bearing, one side of the outer wall of the threaded sleeve 13 is fixedly connected with the other side of the inner ring of the bearing, a forward and reverse rotating motor 14 is fixedly arranged in front of the top of one side of a vertical plate 4, the output shaft of the forward and reverse rotating motor 14, the periphery of the rear end of the first screw 15 is fixedly connected with the inner wall of the inner ring of the bearing, the front surface of the first fixing plate 16 is fixedly connected with the rear surface of the outer ring of the bearing, the first screw 15 penetrates through the threaded sleeve 13 and is in threaded fit with the threaded sleeve 13, the periphery of the front end and the rear end of the first screw 15 are respectively and fixedly provided with a limiting ring 29, the central line position of the telescopic rod 12 when the threaded sleeve 13 is in contact with the limiting ring 29 in front is mutually vertical to the central line position of the telescopic rod 12 when the threaded sleeve 13 is in contact with the limiting ring 19 in rear, the threaded sleeve 13 moves along the first screw 15 to enable the rotation angle of the hinged seat 6 to be 90 degrees, and. The device is used for fixing multimedia equipment, a user drives the device to move through the universal wheel 11, the user fixes the device through a fixing device, the device is prevented from moving, the user places a display screen of a multimedia display 8 on a cushion 10 downwards, the user controls the extension of the second cylinder 5, the extension of the second cylinder 5 drives the vertical plate 4 to rotate, the vertical plate 4 is enabled to be in a horizontal state, the user controls the contraction of the first cylinder 2, the first cylinder 2 contracts through the movable plate 3, the vertical plate 4 drives the hinged seat 6 to move downwards, the user connects one side of the multimedia display 8, which is fixedly installed with the fixed rod 7, the user connects one side of the multimedia display 8 with the movable end of the third cylinder 9 in a hinged mode, the user controls the extension of the first cylinder 2, the extension of the first cylinder 2 is connected with the movable end of the movable plate 3, the vertical plate 4 and the, The connecting rod 7, the third cylinder 9 drives the multimedia display 8 to move upwards, the user controls the second cylinder 5 to contract, the second cylinder 5 contracts to drive the vertical plate 4 to rotate and be in a vertical state, the vertical plate 4 rotates to pass through the hinged seat 6, the connecting rod 7, the third cylinder 9 drives the multimedia display 8 and be in a vertical state, teaching demonstration is performed on students through the multimedia display, the user can control the first cylinder 2 to adjust, so that the height of the multimedia display 8 is changed, the students can watch conveniently, the user adjusts the length of the third cylinder 9, the angle of the multimedia display 8 is changed, the students can watch conveniently, the user can control the output shaft of the forward and reverse motor 14 to rotate, the output shaft of the forward and reverse motor 14 rotates to drive the first screw rod 15 to rotate, the first screw rod 15 rotates to enable the screw sleeve 13 to move along the screw rod 15, the screw sleeve 13 moves to, the telescopic rod 12 rotates to drive the hinged seat 6 to rotate, the hinged seat 16 rotates to drive the multimedia display 8 through the connecting rod 7 and the third air cylinder 9, the screw sleeve 13 is in contact with one limiting ring 29, the screw sleeve 13 moves and is in contact with the other limiting ring 29, the hinged seat 6 rotates 90 degrees to drive the multimedia display 8 to rotate 90 degrees, thereby realizing the change of the transverse screen and the vertical screen of the multimedia display 8, when not used, a user controls the extension of the second air cylinder 5 and the shortening of the first air cylinder 2, so that the display screen of the multimedia display 8 is in contact with the top surface of the cushion 10, the display screen of the multimedia display 8 is prevented from being damaged, the device can move, has wide application range, is flexible and convenient, can be used in different occasions, the user places the multimedia display on the cushion 10, when the user moves the device, the cushion 10 can play a role, the device has the advantages that the multimedia display is protected, the damage caused by the collision on the display screen of the multimedia display 8 can be avoided, when the multimedia display 8 is installed on the device, only the multimedia display 8 is moved to the cushion 10, compared with the existing installation mode, the device is more labor-saving, meanwhile, the multimedia display 8 is convenient to use and detach from the device, after the multimedia display 8 is detached by a user, the user controls the first air cylinder 2 to extend and the second air cylinder 5 to contract so that the vertical plate 4 moves upwards and rotates, the space above the multimedia display 8 can be vacated, the multimedia display 8 can be conveniently detached and maintained by the user, after the multimedia display 8 is installed, the multimedia display 8 can be driven to move upwards and rotate by the user controlling the first air cylinder 2 to extend and the second air cylinder 5 to contract, be convenient for the student watches, the user can stretch out and draw back through controlling third cylinder 9, thereby change multimedia display 8's angle, the student of being convenient for watches, user control just reversing motor 14's rotation can realize multimedia display 8's horizontal screen and erect the switching between the screen, it is more convenient to use, multimedia display 8's horizontal screen has the person of being convenient for to use to teach with the switching of erecting the screen, in addition this device can make multimedia display 8 be located horizontal placing and vertical placing, convenient to use person clears up multimedia display 8, this device simple structure, be convenient for produce and make.
Particularly, as shown in fig. 1, in this embodiment, the front and back of the other side of the base 1 are respectively and fixedly provided with the hook 17, the top surface of the base 1 is movably provided with the winding shaft 18 through a fixing frame and a torsion spring, the fixing frame is respectively and fixedly provided at the front and back of the top surface of the base 1, the winding shaft 18 is arranged between the two fixing frames, two ends of the winding shaft 18 are connected with the opposite surfaces of the fixing frame through a bearing, the front end and the back end of the winding shaft 18 are respectively and fixedly connected with one end of the torsion spring, the other end of the two torsion springs are fixedly connected with the corresponding fixing frame, the winding shaft 18 is arranged between the cushion 10 and the first cylinder 2, the winding shaft 18 is wound with the dustproof cloth 19, and the front side. The user stimulates buckle 20 left, buckle 20 drives dustproof cloth 19 of winding on rolling axle 18 and moves left, dustproof cloth 19 is located the top of cushion 10, the user is hanging buckle 20 on couple 17, dustproof cloth 19 can prevent that the dust from dropping on the top surface of cushion 10, avoid multimedia display 8 and cushion 10 to contact the back, multimedia display 8's display screen possesses the dust, can prevent simultaneously that the user from dropping on cushion 10 at clearance multimedia display 8 rear surface dust, the user takes off buckle 20 from couple 17, the user loosens buckle 20, under the torsional spring force effect of torsional spring, rolling axle 18 rotates and carries out the rolling with dustproof cloth 19 is automatic.
Specifically, as shown in fig. 1, the top surface and the bottom surface of the other side of the vertical plate 4 in this embodiment are respectively and fixedly mounted with a heat dissipation fan 21. The heat dissipation fan 21 can accelerate the air flow and improve the heat dissipation effect of the multimedia display 8.
Further, as shown in fig. 1, the fixing device according to the present embodiment includes second fixing plates 22, second screws 23, screw holes 24, and contact plates 25, wherein the two second fixing plates 22 are respectively and fixedly installed at the front and the rear of the base 1, the screw hole 24 is formed on the top surface of each second fixing plate 22, the two second screws 23 respectively penetrate through the corresponding screw holes 24 and are in threaded engagement with the corresponding screw holes 24, and the top surfaces of the two contact plates 25 are respectively and hingedly connected to the lower ends of the corresponding second screws 23. The user rotates second screw rod 23, and second screw rod 23 and 24 screw-thread fit of screw, second screw rod 23 rotate and can make and reciprocate in the second screw rod 23, and second screw rod 23 reciprocates and drives contact plate 25 and reciprocate, and contact plate 25 lapse can be fixed this device when moving down and with ground contact, prevents that this device from removing, and contact plate 25 upwards removes and ground separation for this device can remove.
Furthermore, as shown in fig. 1, the upper end of the second screw 23 of the present embodiment is fixedly installed with a rotating handle 26 for driving the anti-slip pattern, and the bottom surface of the contact plate 25 is installed with a fixing nail 27. The rotating handle 26 provides an acting point for a user, the user can rotate the second screw rod 23 conveniently, the friction force between the hand of the user and the rotating handle 26 can be increased by the anti-skidding threads, the hand is prevented from skidding when the user rotates the rotating handle 26, the friction force when the contact plate 25 is contacted with the ground can be increased by the fixing nail 27, and the device is prevented from moving.
Furthermore, as shown in fig. 1, a controller 28 is fixedly installed on one side of the top surface of the base 1, and the controller 28 is electrically connected to the first cylinder 2, the second cylinder 5, the third cylinder 9 and the forward and reverse rotation motor 14. The user controls the expansion of the first cylinder 2, the expansion of the second cylinder 5, the expansion of the third cylinder 9 and the positive and negative rotation of the output shaft of the positive and negative rotation motor 14 through the controller 28, so that the device is convenient to control and use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. A mast assembly for a multimedia audiovisual device, characterized by: comprises a base (1), one side of the top surface of the base is fixedly provided with the lower end of the fixed end of a first air cylinder (2), the upper end of the movable end of the first air cylinder (2) is fixedly connected with the bottom surface of a movable plate (3), one side of the movable plate (3) is hinged with the lower end of a vertical plate (4), the front side and the rear side of the top surface of the movable plate (3) are respectively hinged with the lower end of the fixed end of a second air cylinder (5), the upper ends of the movable ends of the two second air cylinders (5) are respectively hinged with the corresponding front part or the rear side of one side of the vertical plate (4), one side of the vertical plate (4) is provided with a through hole (30), the inner wall of the through hole (30) is provided with a hinged seat (6) through a bearing, one side of the hinged seat (6) is hinged with one end of a fixed rod (7), the other end of the fixed rod (, one end of the movable end of each of the two third cylinders (9) is hinged with one side of the multimedia display (8), the other side of the top surface of the base (1) is fixedly provided with a cushion (10), four corners of the bottom surface of the base (1) are respectively and fixedly provided with universal wheels (11), the periphery of the other side of the hinged seat (6) is fixedly connected with one end of the fixed end of a telescopic rod (12), one side of the movable end of the telescopic rod (12) is connected with one side of the outer wall of the threaded sleeve (13) through a bearing, the front of the top of one side of the vertical plate (4) is fixedly provided with a forward and reverse motor (14), the output shaft of the forward and reverse motor (14) is fixedly connected with the front end of the first screw (15), the back of the top of one side of the vertical plate (4) is fixedly connected with one side of the first fixed plate (16), the rear end of the first screw (15) is connected with, the peripheries of the front end and the rear end of the first screw (15) are respectively fixedly provided with a limiting ring (29), and the front surface and the rear surface of the base (1) are respectively fixedly provided with a fixing device.
2. A mast assembly for a multimedia audiovisual equipment according to claim 1, characterized in that: the front face and the rear face of the other side of the base (1) are respectively fixedly provided with a hook (17), the top face of the base (1) is movably provided with a winding shaft (18) through a fixing frame and a torsion spring, the winding shaft (18) is positioned between the cushion (10) and the first cylinder (2), dustproof cloth (19) is wound on the winding shaft (18), and the front side and the rear side of one end of the dustproof cloth (19) are respectively fixedly provided with a retaining ring (20).
3. A mast assembly for a multimedia audiovisual equipment according to claim 1, characterized in that: the top surface and the bottom surface of the other side of the vertical plate (4) are respectively and fixedly provided with a heat dissipation fan (21).
4. A mast assembly for a multimedia audiovisual equipment according to claim 1, characterized in that: fixing device second fixed plate (22), second screw rod (23), screw (24) and contact plate (25) constitute, two second fixed plate (22) fixed mounting respectively in the front and the back of base (1), screw (24) are seted up to the top surface of every second fixed plate (22), two second screw rods (23) pass corresponding screw (24) respectively and screw-thread fit with it, the lower extreme of two second screw rods (23) that correspond is connected in articulated respectively to two contact plate (25) top surfaces.
5. A mast assembly for a multimedia audiovisual device according to claim 4, characterized in that: the upper end of the second screw rod (23) is fixedly provided with a rotating handle (26) driving the anti-skid grains, and the bottom surface of the contact plate (25) is provided with a fixing nail (27).
6. A mast assembly for a multimedia audiovisual equipment according to claim 1, characterized in that: the device is characterized in that a controller (28) is fixedly arranged on one side of the top surface of the base (1), and the controller (28) is in circuit connection with the first cylinder (2), the second cylinder (5), the third cylinder (9) and the forward and reverse rotating motor (14).
CN202010254648.7A 2020-04-02 2020-04-02 Upright post component of multimedia audio-visual equipment Withdrawn CN111550643A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010254648.7A CN111550643A (en) 2020-04-02 2020-04-02 Upright post component of multimedia audio-visual equipment

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Application Number Priority Date Filing Date Title
CN202010254648.7A CN111550643A (en) 2020-04-02 2020-04-02 Upright post component of multimedia audio-visual equipment

Publications (1)

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CN111550643A true CN111550643A (en) 2020-08-18

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CN112303403A (en) * 2020-10-29 2021-02-02 小飞鱼智能科技(广东)有限公司 Projector device for internet online education
CN113137541A (en) * 2021-04-29 2021-07-20 湖南机电职业技术学院 Terminal display device applied to enterprise technology and economy management system

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CN108518557A (en) * 2018-04-28 2018-09-11 广东富胜实业股份有限公司 A kind of multimedia television interaction all-in-one machine
CN208431531U (en) * 2018-05-17 2019-01-25 天津宝兴威科技股份有限公司 A kind of touch platen bracket with rotation and elevating function
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CN112097059A (en) * 2020-08-26 2020-12-18 江西应用技术职业学院 Connecting device of multifunctional display support
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CN112303403A (en) * 2020-10-29 2021-02-02 小飞鱼智能科技(广东)有限公司 Projector device for internet online education
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CN113137541B (en) * 2021-04-29 2022-08-02 湖南机电职业技术学院 Terminal display device applied to enterprise technology and economy management system

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