CN116428458A - Lifting structure for multimedia exhibition stand and shooting head lifting method - Google Patents
Lifting structure for multimedia exhibition stand and shooting head lifting method Download PDFInfo
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- CN116428458A CN116428458A CN202310309662.6A CN202310309662A CN116428458A CN 116428458 A CN116428458 A CN 116428458A CN 202310309662 A CN202310309662 A CN 202310309662A CN 116428458 A CN116428458 A CN 116428458A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims description 107
- 230000007306 turnover Effects 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000003028 elevating effect Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 15
- 230000002349 favourable effect Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- 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
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- 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
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- 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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Accessories Of Cameras (AREA)
Abstract
The utility model relates to a elevating system's technical field especially relates to an elevating system and shooting head lift method for multimedia exhibition stand, provide an elevating system for multimedia exhibition stand, which comprises a housing, the cavity has been seted up at the middle part of shell, first base and second base are installed to cavity intracavity detachable, be provided with drive assembly between first base and the second base, drive assembly's outside is provided with the mounting bracket, one side of mounting bracket is provided with camera mechanism, the lift breach has been seted up at the top of shell, drive assembly is used for driving camera mechanism and wears out or descends the lift breach, the bottom of lift breach is provided with the sealing plate, the both sides long limit lateral wall of shell is provided with adjusting part respectively, adjusting part's output and sealing plate assemble mutually, adjusting part is used for driving the sealing plate and overturns; the invention also provides a shooting head lifting method, which comprises the following steps: the sealing plate is lifted, the camera mechanism is lifted, the angle of the shooting head is adjusted, and the installation convenience of each component of the lifting mechanism is improved.
Description
Technical Field
The application relates to the technical field of lifting mechanisms, in particular to a lifting structure for a multimedia exhibition stand and a shooting head lifting method.
Background
The multimedia exhibition stand is a product integrating the platform with electronic products such as a computer, a multimedia control system, a video exhibition stand, audio equipment and the like. Along with the application of stand more and more extensively, needs the function of stand to be more functionalized, the multimedia stand on the market generally includes the camera, utilizes the camera to carry out a series of image display such as teleconference, projection, in order to reduce the damage that causes of external factor to the camera, through increasing elevation structure in the bottom of camera, when using the camera, elevation structure drives the camera and stretches out the stand, and after the camera finishes using, elevation structure drives the camera to descend, and the camera is accomodate in the stand, can play the guard action to the camera.
In the prior art, the lifting mechanism is used for realizing lifting of the camera in a screw transmission mode, a sliding rail base is welded on the side wall of the base under normal conditions, the extending direction of the sliding rail is consistent with the lifting direction of the camera, the screw is arranged on one side of the sliding rail in parallel, a motor is fixed on the bottom wall of the base, the output end of the motor is assembled with the screw, a sliding block is in threaded connection with the screw, and the camera is fixed on the sliding block.
During practical application, the motor drives the screw rod to rotate as a power source, the sliding block drives the camera to lift along the screw rod, however, the mounting position of the motor in the prior art is not adjustable, when the mounting position of the motor deviates, the lifting smoothness of the motor can be influenced, noise is large and shaking is caused, backlash can be generated along with long-term abrasion between the screw rod and the sliding block, large overshoot exists in the reverse moment and when the motor stops, the transmission precision in long-distance transmission is not high, therefore, an operator is required to accurately align the mounting position between the motor and the screw rod, the mounting difficulty of the motor is increased, and the use experience of the lifting structure of the camera is poor.
Disclosure of Invention
In order to improve the installation convenience between each subassembly of elevating system, this application provides an elevating system and shooting head lift method for multimedia exhibition stand, can improve elevating system's transmission precision, reduction noise.
In a first aspect, the present application provides a lifting structure for a multimedia exhibition stand, which adopts the following technical scheme:
the utility model provides a multi-media is elevation structure for stand, includes the shell, the cavity has been seted up at the middle part of shell, cavity intracavity detachable installs first base and second base, be provided with drive assembly between first base and the second base, drive assembly's outside is provided with the mounting bracket, one side of mounting bracket is provided with camera mechanism, the lift breach has been seted up at the top of shell, drive assembly is used for the drive camera mechanism wears out or descends the lift breach, the bottom of lift breach is provided with the sealing plate, the both sides long limit lateral wall of shell is provided with adjusting part respectively, adjusting part's output with the sealing plate is assembled mutually, adjusting part is used for driving the sealing plate overturns.
Through adopting above-mentioned technical scheme, first base and second base demountable installation are in the cavity intracavity of shell, make operating personnel can adjust the distance between first base and the second base conveniently, with the drive assembly of adaptation not unidimensional size, simultaneously, drive assembly's position also can carry out the adjustment of position according to actual conditions, drive assembly position adjustment's convenience has been improved, the fault-tolerant rate has been improved, be favorable to improving elevating system's transmission precision, reduce operating noise, drive assembly is as power supply drive camera mechanism wears out or descends the lift breach, realize the function of camera mechanism automatic rising, under adjusting assembly's effect, make the sealing plate can overturn voluntarily, can play protection and dustproof effect to the camera mechanism of being accomodate in the shell.
Preferably, the first base and the second base are L-shaped plates with consistent structures, the bottom plates of the first base and the second base are all provided with adjusting grooves in a penetrating mode, connecting pieces are arranged in the adjusting grooves, and the first base and the second base are fixed with the shell through the connecting pieces.
Through adopting above-mentioned technical scheme, under the effect of connecting piece, first base, second base all can be fixed with the shell, and the dismouting of first base, second base is efficient, and operating personnel of being convenient for implements, accords with the installation requirement, moreover, compares with prior art, is detachable assembly between drive assembly and the shell, can conveniently adjust drive assembly's position, is favorable to reducing drive assembly mounted position and appears the phenomenon of skew, guarantees the smoothness of camera mechanism lift, noise reduction.
Preferably, the transmission assembly includes: the transmission motor is fixed in the middle of the mounting frame; the transmission shaft is assembled at the output end of the transmission motor; a transmission gear arranged on the transmission shaft; one end of the transmission rack is fixed with the first base, and the other end of the transmission rack is fixed with the second base; the transmission rack penetrates through the mounting frame, and the transmission gear is meshed with the transmission rack.
Through adopting above-mentioned technical scheme, under drive motor's effect, the transmission shaft can drive gear and rotate along drive rack to drive the mounting bracket, fix the drive motor in the mounting bracket, and set up the camera mechanism in mounting bracket one side and carry out elevating movement, compare with prior art, the meshing clearance between drive gear and the drive rack is littleer, produce the noise littleer, moreover, when camera mechanism long distance goes up and down, the cooperation of drive gear and drive rack has the characteristics of bearing capacity and high transmission precision, be favorable to improving elevating system's lift stationarity, improvement life.
Preferably, a transmission guide rod is arranged between the first base and the second base, the transmission guide rod penetrates through the mounting frame, the transmission rack is parallel to the transmission guide rod, a first matching sleeve is fixed at the assembling position of the mounting frame and the transmission rack, the first matching sleeve is in sliding connection with the transmission rack, a second matching sleeve is fixed at the assembling position of the mounting frame and the transmission guide rod, and the second matching sleeve is in sliding connection with the transmission guide rod.
Through adopting above-mentioned technical scheme, under the effect of first cooperation cover, can reduce the coefficient of friction between mounting bracket and the drive rack, under the effect of second cooperation cover, can reduce the coefficient of friction between mounting bracket and the drive guide arm, make the mounting bracket can remove more steadily, be favorable to improving the smoothness nature when camera elevating movement.
Preferably, the adjusting assembly comprises: a panel fixed on the top of the housing; an arc-shaped groove penetrating through the side wall of the panel; the pull rod is arranged at one side of the panel far away from the camera mechanism; the connecting rod is arranged on one side of the panel, which is close to the camera mechanism; the matching piece is connected in the arc-shaped groove in a sliding way; and the assembly part is arranged on the panel, wherein the connecting rod is rotationally connected with the assembly part, one end of the matching part is fixed with the connecting rod, the other end of the matching part is fixed with the pull rod, a fixed plate is arranged between the two groups of adjusting components, two ends of the fixed plate are respectively fixed with the top ends of the two connecting rods, the sealing plate is arranged on the top surface of the fixed plate, a power component is arranged at the bottom of the adjusting component, and the output end of the power component is assembled with the connecting rod.
Through adopting above-mentioned technical scheme, under power component's effect, when the pull rod upward movement, the cooperation piece upwards slides along the arc groove, simultaneously, the connecting rod can be round the assembly part circular motion, and then drives the fixed plate and seal the board and turn on one's side to for follow-up camera mechanism is elevating movement and is yielded, makes camera mechanism wear out the lift breach smoothly, otherwise, seals the board shutoff in lift breach department, can play protection and dustproof effect to the camera mechanism of being accomodate in the shell.
Preferably, the mounting bracket is close to one side of pull rod runs through and has seted up run-through groove, the middle part sliding connection that runs through the groove has the locating part, the one end of locating part with the pull rod is fixed mutually, the other end is fixed with spacing butt post, spacing butt post distributes the bottom of mounting bracket.
Through adopting above-mentioned technical scheme, when power pack drive pull rod rose or descends, the locating part can drive spacing butt post and slide along running through the groove, can carry out spacingly to the maximum stroke of mounting bracket, appears too big impulse and damage the shell when reducing mounting bracket and camera mechanism to descend, is favorable to improving elevating system's safety in utilization.
Preferably, soft dustproof strips are arranged on four sides of the bottom surface of the sealing plate, and the parts, extending out of the sealing plate, of the soft dustproof strips are used for sealing gaps between the sealing plate and the shell.
Through adopting above-mentioned technical scheme, soft dustproof strip has good elasticity, corrosion resistance, dust resistance, through being provided with soft dustproof strip at the bottom surface four sides of sealing plate, makes soft dustproof strip stretch out the part shutoff sealing plate of sealing plate and the clearance between the shell, can effectively improve the leakproofness between sealing plate and the shell, can play protection and dustproof effect to the camera mechanism of being accomodate in the shell.
Preferably, the power assembly comprises a buffer spring, one end of the buffer spring is assembled with the matching piece, and the other end of the buffer spring is assembled with the pull rod.
Through adopting above-mentioned technical scheme, start drive motor, the transmission shaft can drive gear and rotate along the drive rack, the mounting bracket, fix the drive motor in the mounting bracket, and when the camera mechanism of setting in mounting bracket one side moves down, spacing butt post and mounting bracket butt, the mounting bracket is to spacing butt post applied pressure, the locating part drives spacing butt post and runs through the groove and slide down, make buffer spring be in tensile state, the sealing plate can shutoff lift breach, thereby can protect the camera mechanism of being accomodate in the shell, otherwise, drive motor is as power supply drive mounting bracket upward movement, buffer spring resumes elastic deformation, make fixed plate and sealing plate can easily overturn the motion, can realize the function of automatic start and stop lift breach.
Preferably, the camera mechanism comprises an assembly frame and a shooting head, the assembly frame is detachably arranged on the top wall of the mounting frame, a containing cavity is formed in the middle of the assembly frame, the shooting head is arranged in the containing cavity, a turnover motor is fixed on the side wall of the assembly frame, a turnover shaft is assembled at the output end of the turnover motor, the turnover shaft is fixed with the top of the shooting head, and one end of the turnover shaft, which is far away from the turnover motor, is rotationally connected with the side wall of the assembly frame.
Through adopting above-mentioned technical scheme, under the effect of upset motor, the pivot can drive the shooting head and carry out angular adjustment, holds the chamber and can provide when shooting head stop work and accomodate the cavity, can play the effect of protection to shooting head, also can save installation space more.
In a second aspect, the application further provides a method for lifting a shooting head, which adopts the following technical scheme:
a shooting head lifting method, which uses a lifting structure for a multimedia exhibition stand to carry out lifting movement, comprises the following steps:
s1: opening the sealing plate: the adjusting assembly is driven by the power assembly, the adjusting assembly drives the sealing plate to turn over, and the avoidance space is reserved between the sealing plate and the camera mechanism and between the sealing plate and the extending direction of the long side surface of the camera mechanism.
S2: the camera mechanism is lifted: the mounting frame is driven by the transmission assembly, and the camera mechanism is lifted until the whole camera mechanism penetrates out of the lifting notch.
S3: shooting head angle adjustment: the overturning motor drives the overturning shaft to rotate, so that the included angle between the shooting head and the assembly frame is adjusted.
Through adopting above-mentioned technical scheme, under the cooperation of power component and adjusting part, can make the sealing plate automatic upset, can give way to camera mechanism, through the mode of dodging the position, realize that camera mechanism goes up and down and sealing plate shutoff goes up and down two kinds of functions in breach, make the space in the shell can be by rational distribution, be favorable to saving installation space, simultaneously, can play protection and dustproof effect to the camera mechanism of being accomodate in the shell, be favorable to prolonging camera mechanism's life, in addition, this application lifts, the camera mechanism lifts and shoots the step of head angle adjustment through the sealing plate, can realize the change of camera, further improved the practicality of shooting head, good stability and security have, accord with the user demand.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first base and the second base are detachably arranged in the hollow cavity of the shell, so that an operator can conveniently adjust the distance between the first base and the second base to adapt to transmission assemblies with different sizes, meanwhile, the position of the transmission assembly can also be adjusted according to actual conditions, the convenience of position adjustment of the transmission assembly is improved, the fault tolerance is improved, the transmission precision of the lifting mechanism is improved, the working noise is reduced, the transmission assembly is used as a power source to drive the camera mechanism to penetrate out or fall down from the lifting notch, the function of automatically lifting the camera mechanism is realized, and under the action of the adjusting assembly, the sealing plate can automatically turn over to protect and prevent dust of the camera mechanism stored in the shell;
2. under the effect of drive motor, the transmission shaft can drive gear and rotate along drive rack to drive the mounting bracket, fix the drive motor in the mounting bracket and set up the camera mechanism in mounting bracket one side and carry out elevating movement, compare with prior art, the meshing clearance between drive gear and the drive rack is littleer, produces the noise littleer, moreover, when camera mechanism long distance goes up and down, the cooperation of drive gear and drive rack has bearing capacity and high transmission precision's characteristics, is favorable to improving elevating system's lift stationarity, improvement life.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic structural view of a transmission assembly according to an embodiment of the present application.
Fig. 4 is a schematic structural view of an adjusting assembly in an embodiment of the present application.
Fig. 5 is an assembly schematic diagram between the limiting abutment post and the pull rod in the embodiment of the application.
Reference numerals illustrate: 1. a housing; 11. a hollow cavity; 12. a first base; 121. an adjustment tank; 122. a connecting screw; 13. a mounting frame; 131. a through groove; 132. a limit screw; 133. limiting abutting the column; 14. a lifting notch; 15. a second base; 21. a drive motor; 22. a transmission shaft; 23. a transmission gear; 24. a drive rack; 25. a transmission guide rod; 26. a first mating sleeve; 27. a second mating sleeve; 31. an assembly frame; 32. a shooting head; 33. a receiving chamber; 34. a power supply; 4. sealing plate; 41. soft dustproof strips; 51. a panel; 52. an arc-shaped groove; 53. a pull rod; 54. matching with a screw; 55. assembling a screw; 56. a connecting rod; 57. a fixing plate; 61. and a buffer spring.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
In a first aspect, embodiments of the present application disclose a lifting structure for a multimedia display stand.
Referring to fig. 1 and 2, a lifting structure for a multimedia display stand, which comprises a housing 1, the housing 1 is rectangular shell, the bottom of the housing 1 is provided with a support frame, the support frame passes through the inside fixing base of bolted connection's mode and stand, make the housing 1 keep erect the state, hollow cavity 11 has been seted up at the middle part of housing 1, first base 12 and second base 15 are detachably installed in hollow cavity 11, first base 12, second base 15 is the L shaped plate that the structure is unanimous, and make and leave the installation distance between first base 12, second base 15, in this application embodiment, first base 12, the bottom plate of second base 15 has all run through and has seted up adjustment tank 121, the shape and the quantity of adjustment tank 121 are according to the circumstances, can be the U-shaped groove, elliptic groove or circular groove, be provided with the connecting piece in the adjustment tank 121, the connecting piece is connecting screw 122, operating personnel gets connecting screw 122, make behind the adjustment tank 121, and with housing 1 threaded connection, realize fixing between first base 12 and the housing 1, fixing between second base 15 and the housing 1, the improvement of second base 15 is favorable to first base 12 and second base 15 easy dismounting.
Referring to fig. 2 and 3, a transmission assembly is disposed between the first base 12 and the second base 15, a mounting frame 13 is disposed outside the transmission assembly, specifically, the transmission assembly includes a transmission motor 21, a transmission shaft 22, a transmission gear 23 and a transmission rack 24, wherein the transmission motor 21 is fixed in the middle of the mounting frame 13, the transmission shaft 22 is assembled at an output end of the transmission motor 21, the transmission gear 23 is disposed on an outer wall of the transmission shaft 22, one end of the transmission rack 24 is fixed with the first base 12, the other end is fixed with the second base 15, an extending direction of the transmission rack 24 is consistent with a length direction of the housing 1, in this embodiment, the transmission rack 24 is a circular rack, a side wall of the transmission rack 24 is provided with gear teeth, and a portion of the transmission rack 24, which is not provided with the gear teeth, is smoothly disposed, so that the transmission gear 23 is meshed with the transmission rack 24.
And, be provided with transmission guide arm 25 between first base 12 and second base 15, transmission guide arm 25 is the circular body of rod, transmission guide arm 25's outer wall is smooth to be set up, transmission rack 24 and transmission guide arm 25 all pass mounting bracket 13, make transmission rack 24 and transmission guide arm 25 parallel arrangement, mounting bracket 13 and transmission rack 24 looks assembly department is fixed with first cooperation cover 26, mounting bracket 13 and transmission guide arm 25 looks assembly department is fixed with second cooperation cover 27, first cooperation cover 26 and the shape structure of second cooperation cover 27 are unanimous, first cooperation cover 26 and transmission rack 24 sliding connection, second cooperation cover 27 and transmission guide arm 25 sliding connection, during the application, the operator can paint the lubricant at first cooperation cover 26 and transmission rack 24 looks assembly department, second cooperation cover 27 and transmission guide arm 25 looks assembly department, transmission gear 23 and transmission rack 24 looks meshing department, can effectively reduce the coefficient of friction between the mechanism assembly.
Under the effect of the transmission motor 21, the transmission shaft 22 can drive the transmission gear 23 to rotate along the transmission rack 24, so that the installation frame 13 is driven, the transmission motor 21 fixed in the installation frame 13 is driven to perform lifting motion, the meshing gap between the transmission gear 23 and the transmission rack 24 is smaller, noise is generated smaller, lifting stability of a lifting mechanism is improved, and smoothness of the lifting motion of the camera is improved.
Referring to fig. 2 and 4, one side of the mounting frame 13 is provided with a camera mechanism, the camera mechanism includes a mounting frame 31 and a shooting head 32 and a power supply 34, the mounting frame 31 is mounted on the top wall of the mounting frame 13 in a bolt connection manner, a containing cavity 33 is formed in the middle of the mounting frame 31, the shooting head 32 is arranged in the containing cavity 33, a turnover motor (not shown in the drawing) is fixed on the side wall of the mounting frame 31, an output end of the turnover motor is provided with a turnover shaft, the turnover shaft is fixed with the top of the shooting head 32, one end of the turnover shaft, which is far away from the turnover motor, is rotationally connected with the side wall of the mounting frame 31, the power supply 34 is mounted at the bottom of the shooting head 32, and electric connection is performed between the power supply 34 and the shooting head 32, and the turnover shaft can drive the shooting head 32 to perform angle adjustment under the action of the turnover motor.
In this application embodiment, lift breach 14 has been seted up at the top of shell 1, and lift breach 14 is the rectangle mouth, and the bottom of lift breach 14 is provided with sealing plate 4, sealing plate 4 be with the rectangular plate of lift breach 14 shape size looks adaptation, sealing plate 4's bottom surface four sides are provided with soft dustproof strip 41, and soft dustproof strip 41 stretches out sealing plate 4's part shutoff sealing plate 4 and the clearance between the shell 1, can effectively improve sealing plate 4 and the leakproofness between the shell 1.
In order to realize the overturning motion of the sealing plate 4 and ensure the smoothness of the lifting motion of the shooting head 32, two long side walls of the shell 1 are respectively provided with an adjusting component, the output end of each adjusting component is assembled with the sealing plate 4, the adjusting components are used for driving the sealing plate 4 to overturn, specifically, each adjusting component comprises a panel 51, an arc-shaped groove 52, a pull rod 53, a connecting rod 56, a matching piece and an assembly part, wherein the panel 51 is welded at the top of the shell 1, the arc-shaped groove 52 penetrates through the side wall of the panel 51, the matching piece is a matching screw 54, the assembly part is an assembly screw 55, the pull rod 53 is arranged at one side of the panel 51 far away from the camera mechanism, one end of the pull rod 53 extends to the outer side of the mounting frame 13, the other end of the pull rod 53 extends to the outer side of the panel 51, the connecting rod 56 is arranged at one side of the panel 51 close to the camera mechanism, the matching screw 54 is in sliding connection with the arc-shaped groove 52, one end of the matching screw 54 is fixed with the connecting rod 56, the other end of the connecting rod 55 is fixed with the pull rod 53, the assembly screw 55 is fixed on the panel 51, and the connecting rod 56 is in rotary connection with the assembly screw 55.
More specifically, a fixing plate 57 is arranged between the two groups of adjusting components, two ends of the fixing plate 57 are respectively fixed with the top ends of the two connecting rods 56, the sealing plate 4 is arranged on the top surface of the fixing plate 57, a power component is arranged at the bottom of the adjusting component, the output end of the power component is assembled with the connecting rods 56, the power component comprises a buffer spring 61, one end of the buffer spring 61 is assembled with the matched screw 54, and the other end of the buffer spring 61 is assembled with the pull rod 53.
On the contrary, the driving motor 21 drives the mounting frame 13 to move upwards, the buffer spring 61 restores the elastic deformation, the two pull rods 53 move upwards, the matched screw 54 slides upwards along the arc-shaped groove 52, meanwhile, the connecting rod 56 can do circular motion around the assembled screw 55, and further the fixing plate 57 and the sealing plate 4 are driven to roll over, so that the follow-up camera mechanism does lifting motion to give way, the camera mechanism can smoothly penetrate out of the lifting notch 14, and the function of automatically opening and closing the lifting notch 14 can be realized.
In this application embodiment, refer to fig. 2 and 5, the one side that mounting bracket 13 is close to pull rod 53 runs through and has offered run-through groove 131, run-through groove 131's extending direction is consistent with mounting bracket 13 direction of motion, run-through groove 131's middle part sliding connection has the locating part, the locating part is spacing screw 132, and make the one end of locating screw 132 fixed mutually with pull rod 53, the other end is fixed with spacing butt post 133, spacing butt post 133 distributes in the bottom of mounting bracket 13, spacing butt post 133 is the rubber column, have the ability of buffering shock attenuation, spacing butt post 133 can restrict the maximum stroke that mounting bracket 13 descends, play the effect of reducing impact force when mounting bracket 13 is retracted simultaneously, be favorable to improving elevating system's safety in utilization.
In a second aspect, the application further provides a method for lifting a shooting head, which uses a lifting structure for a multimedia exhibition stand to perform lifting motion.
Referring to fig. 2, a photographing head lifting method includes the steps of:
s1: the sealing plate 4 is lifted: through power component drive adjusting part, adjusting part drives sealing plate 4 and overturns, and guarantees to seal between plate 4 and the camera mechanism, seals between the extending direction of sealing plate 4 and the long limit side of camera mechanism and all remain and dodge the space.
When the sealing plate is used in specific applications, when the matching screw 54 slides to the lowest point of the arc groove 52, the sealing plate 4 is horizontally distributed, the camera mechanism is distributed at the bottom of the sealing plate 4, a space for giving way is reserved between the camera mechanism and the bottom surface of the sealing plate 4, the sealing plate 4 separates the inside from the outside of the shell 1, and dust is reduced from entering the shell 1.
When the camera mechanism needs to be lifted, the transmission motor 21 drives the mounting frame 13 to move upwards, the buffer spring 61 recovers elastic deformation, the two pull rods 53 move upwards, the matched screw 54 slides upwards along the arc-shaped groove 52, meanwhile, the connecting rod 56 can do circular motion around the assembly screw 55, and then the fixing plate 57 and the sealing plate 4 are driven to roll over, so that the follow-up camera mechanism does lifting motion to give way, and interference phenomenon of the sealing plate 4 and the camera mechanism in the lifting process is reduced.
S2: the camera mechanism is lifted: the mounting frame 13 and the camera mechanism are driven to rise through the transmission assembly until the whole camera mechanism penetrates out of the lifting notch 14.
When the camera shooting device is particularly applied, the transmission motor 21 drives the transmission shaft 22 to rotate, and the transmission shaft 22 drives the transmission gear 23 to rotate along the transmission rack 24, so that the mounting frame 13 and the transmission motor 21 fixed in the mounting frame 13 are driven to perform lifting movement until the whole shooting head 32 passes out of the lifting notch 14.
S3: shooting head 32 angle adjustment: the overturning shaft is driven to rotate by the overturning motor, and the included angle between the shooting head 32 and the assembly frame 31 is adjusted.
The foregoing is a preferred embodiment of the present application, which is merely illustrative of the present application and not intended to limit the scope of the present application in any way, so long as the present application is not limited thereto: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The utility model provides a lifting structure for multimedia display stand, its characterized in that, including shell (1), cavity (11) have been seted up at the middle part of shell (1), first base (12) and second base (15) are installed to detachable in cavity (11), be provided with drive assembly between first base (12) and second base (15), drive assembly's outside is provided with mounting bracket (13), one side of mounting bracket (13) is provided with camera mechanism, lift breach (14) have been seted up at the top of shell (1), drive assembly is used for the drive camera mechanism wears out or descends lift breach (14), the bottom of lift breach (14) is provided with sealing plate (4), the both sides long limit lateral wall of shell (1) are provided with adjusting part respectively, adjusting part's output with sealing plate (4) are assembled mutually, adjusting part is used for driving sealing plate (4) are overturned.
2. The lifting structure for a multimedia display stand according to claim 1, wherein the first base (12) and the second base (15) are L-shaped plates with identical structures, adjusting grooves (121) are formed in the bottom plates of the first base (12) and the second base (15) in a penetrating mode, connecting pieces are arranged in the adjusting grooves (121), and the first base (12) and the second base (15) are fixed with the housing (1) through the connecting pieces.
3. The lifting structure for a multimedia display stand of claim 1, wherein the transmission assembly comprises: a transmission motor (21) fixed in the middle of the mounting frame (13); a transmission shaft (22) assembled at the output end of the transmission motor (21); a transmission gear (23) provided on the transmission shaft (22); and a drive rack (24) having one end fixed to the first base (12) and the other end fixed to the second base (15); wherein the transmission rack (24) passes through the mounting frame (13), and the transmission gear (23) is meshed with the transmission rack (24).
4. A lifting structure for a multimedia display stand according to claim 3, characterized in that a transmission guide rod (25) is arranged between the first base (12) and the second base (15), the transmission guide rod (25) passes through the mounting frame (13), the transmission rack (24) is arranged in parallel with the transmission guide rod (25), a first matching sleeve (26) is fixed at the assembling position of the mounting frame (13) and the transmission rack (24), the first matching sleeve (26) is in sliding connection with the transmission rack (24), a second matching sleeve (27) is fixed at the assembling position of the mounting frame (13) and the transmission guide rod (25), and the second matching sleeve (27) is in sliding connection with the transmission guide rod (25).
5. The lifting structure for a multimedia display stand of claim 1, wherein the adjusting assembly comprises: a panel (51) fixed on the top of the housing (1); an arc-shaped groove (52) penetrating through the side wall of the panel (51); a pull rod (53) arranged on one side of the panel (51) far away from the camera mechanism; a connecting rod (56) arranged on one side of the panel (51) close to the camera mechanism; a fitting slidably coupled within the arcuate slot (52); and the assembly part is arranged on the panel (51), wherein the connecting rod (56) is rotationally connected with the assembly part, one end of the matching part is fixed with the connecting rod (56), the other end of the matching part is fixed with the pull rod (53), two groups of the matching parts are provided with fixing plates (57) between the adjusting components, two ends of the fixing plates (57) are respectively fixed with the top ends of the two connecting rods (56), the sealing plate (4) is installed on the top surface of the fixing plates (57), the bottom of the adjusting component is provided with a power component, and the output end of the power component is assembled with the connecting rod (56).
6. The lifting structure for a multimedia display stand according to claim 5, wherein a through groove (131) is formed in a penetrating manner on one side, close to the pull rod (53), of the mounting frame (13), a limiting piece is connected to the middle portion of the through groove (131) in a sliding manner, one end of the limiting piece is fixed to the pull rod (53), a limiting abutting column (133) is fixed to the other end of the limiting piece, and the limiting abutting columns (133) are distributed at the bottom of the mounting frame (13).
7. A lifting structure for a multimedia display stand according to any one of claims 1-6, characterized in that soft dustproof strips (41) are arranged on four sides of the bottom surface of the sealing plate (4), and the parts of the soft dustproof strips (41) extending out of the sealing plate (4) are used for blocking the gap between the sealing plate (4) and the shell (1).
8. The lifting structure for a multimedia display stand according to claim 5, wherein the power assembly comprises a buffer spring (61), one end of the buffer spring (61) is assembled with the mating member, and the other end is assembled with the pull rod (53).
9. The lifting structure for a multimedia display stand according to any one of claims 1 to 6, wherein the camera mechanism comprises an assembly frame (31) and a shooting head (32), the assembly frame (31) is detachably mounted on the top wall of the mounting frame (13), a containing cavity (33) is formed in the middle of the assembly frame (31), the shooting head (32) is arranged in the containing cavity (33), a turnover motor is fixed on the side wall of the assembly frame (31), a turnover shaft is assembled at the output end of the turnover motor, the turnover shaft is fixed with the top of the shooting head (32), and one end, far away from the turnover motor, of the turnover shaft is rotationally connected with the side wall of the assembly frame (31).
10. A photographing head lifting method, which uses the lifting structure for a multimedia display stand according to claim 9 for lifting movement, comprising the steps of:
s1: opening the sealing plate (4): the adjusting assembly is driven by the power assembly, the adjusting assembly drives the sealing plate (4) to turn over, and avoidance spaces are reserved between the sealing plate (4) and the camera mechanism and between the sealing plate (4) and the extending direction of the long side surface of the camera mechanism;
s2: the camera mechanism is lifted: the mounting frame (13) and the camera mechanism are driven to rise through the transmission assembly until the whole camera mechanism penetrates out of the lifting notch (14);
s3: angle adjustment of the shooting head (32): the overturning motor drives the overturning shaft to rotate, so that an included angle between the shooting head (32) and the assembly frame (31) is adjusted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310309662.6A CN116428458B (en) | 2023-03-27 | 2023-03-27 | Lifting structure for multimedia exhibition stand and shooting head lifting method |
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| CN202310309662.6A CN116428458B (en) | 2023-03-27 | 2023-03-27 | Lifting structure for multimedia exhibition stand and shooting head lifting method |
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| CN116428458B (en) | 2024-02-13 |
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