CN112648494B - Multi-sheet type turnover display screen convenient to overhaul - Google Patents
Multi-sheet type turnover display screen convenient to overhaul Download PDFInfo
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- CN112648494B CN112648494B CN202110020016.9A CN202110020016A CN112648494B CN 112648494 B CN112648494 B CN 112648494B CN 202110020016 A CN202110020016 A CN 202110020016A CN 112648494 B CN112648494 B CN 112648494B
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- 230000007306 turnover Effects 0.000 title abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000004891 communication Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 10
- 230000006698 induction Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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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
- F16M11/045—Allowing translations adapted to left-right translation movement
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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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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The invention discloses a multi-piece turnover display screen convenient for maintenance, which comprises a box body, wherein a working cavity with a left opening is arranged in the box body, the right side wall of the working cavity is communicated with and provided with a motor cavity, the right side wall of the motor cavity is fixedly provided with a motor, the left end of the motor is in power connection with a first power shaft, the left end of the first power shaft is positioned in the working cavity, the first power shaft is positioned in the working cavity and fixedly provided with a rotating block, the first power shaft is rotatably provided with a rotating sleeve shaft, the rotating sleeve shaft is positioned at the left side of the rotating block, and a rotating gear and a main bevel gear are fixedly arranged on the rotating sleeve shaft. And the display screen can be hidden in rainy days to prolong the service life of the display screen.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a multi-piece turnover display screen convenient to overhaul.
Background
The display screens on the outer walls of buildings such as markets and the like are large in size and wide in area, and are fixed on the wall, so that the inspection and the maintenance of the display screens are difficult, potential safety hazards exist in the maintenance process, the crisis is on the personal safety of workers and pedestrians, the display screens are exposed in urban air for a long time and are subjected to heavy wind and rain, and the service life of the display screens is greatly shortened.
Disclosure of Invention
In order to solve the problems, the embodiment designs a multi-piece turnover display screen convenient to overhaul, which comprises a box body, wherein a working cavity with a leftward opening is arranged in the box body, a motor cavity is communicated with the right side wall of the working cavity, a motor is fixedly arranged on the right side wall of the motor cavity, the left end of the motor is in power connection with a first power shaft, the left end of the first power shaft is positioned in the working cavity, a rotating block is fixedly arranged in the working cavity, the first power shaft is rotatably provided with a rotating sleeve shaft, the rotating sleeve shaft is positioned on the left side of the rotating block, a rotating gear and a main bevel gear are fixedly arranged on the rotating sleeve shaft, the rotating gear is positioned on the right side of the main bevel gear, the right side wall of the working cavity is communicated with an annular groove, the annular groove takes the first power shaft as the center, a sliding block is arranged in the annular groove in a sliding manner, and the left end of the sliding block is positioned in the working cavity, the slide block is fixedly connected with the rotating block, a hydraulic pump is fixedly arranged at the left end of the slide block, a telescopic rod is slidably arranged at the left end of the hydraulic pump, a connecting rod is rotatably connected at the left end of the telescopic rod, a limiting block is slidably arranged on the connecting rod, a transmission gear is fixedly arranged on the limiting block and is meshed and connected with the rotating gear, two fixing shafts are rotatably arranged on the lower side wall of the working cavity and are longitudinally symmetrical by taking the first power shaft as a symmetrical center, a first rotating shaft is slidably arranged at the upper end of the fixing shafts, a second rotating shaft is slidably arranged at the upper end of the first rotating shaft, the upper end of the second rotating shaft is slidably connected with the upper side wall of the working cavity, supporting plates are fixedly arranged on the first rotating shaft and the second rotating shaft, a display screen is fixedly arranged at the left end of the supporting plates and is abutted against the front and rear side walls of the working cavity, the front display screen and the rear display screen are mutually butted and connected, a first spring groove with an upward opening is arranged at the upper end of the fixed shaft and the first rotating shaft, a first clamping groove with a downward opening is arranged at the lower end of the second rotating shaft and the first rotating shaft, the first clamping groove is positioned at the upper side of the first spring groove, a first spring is fixedly arranged on the lower side wall of the first spring groove, a trapezoidal block is fixedly arranged at the upper end of the first spring at the upper side, the upper end of the trapezoidal block is positioned in the first clamping groove, the trapezoidal block is in sliding connection with the first spring groove, a first wedge block is fixedly arranged at the upper end of the first spring at the lower side, the upper end of the first wedge block is positioned in the first clamping groove, the first wedge block is in sliding connection with the first spring groove, second clamping grooves with rightward openings are arranged at the right ends of the trapezoidal block and the first wedge block, and a second spring groove is communicated and arranged at the right side wall of the first clamping groove, a clamping block is arranged between the second spring groove and the second clamping groove in a sliding mode, the right end of the clamping block is connected with the right side wall of the second spring groove through a second spring, a driven gear is fixedly arranged on the fixing shaft, a groove is formed in the lower side wall of the working cavity in a communicated mode, a moving block is arranged in the groove in a sliding mode, a moving shaft is arranged at the upper end of the moving block in a rotating mode, a moving gear, a worm wheel and an auxiliary bevel gear are fixedly arranged on the moving shaft, the auxiliary bevel gear is connected with the main bevel gear in a meshed mode, a transmission block is arranged on the lower side wall of the working cavity in a sliding mode and located between the moving gear and the driven gear, a first rack is fixedly arranged at the left end of the transmission block, the first rack is connected with the driven gear in a meshed mode, and a second rack is fixedly arranged at the right end of the transmission block.
Beneficially, an induction cavity with a leftward opening is arranged at the left end of the box body, the induction cavity is located on the lower side of the working cavity and is communicated with the groove, an engagement shaft is rotatably arranged on the rear side wall of the induction cavity, an engagement gear is fixedly arranged on the engagement shaft, a lifting block is slidably arranged between the front side wall and the rear side wall of the induction cavity, the left end of the lifting block is located on the left side of the box body, a weight limiting groove with an upward opening is formed in the lifting block, a transmission rack is fixedly arranged at the right end of the lifting block and is meshed with the engagement gear, the lower end of the lifting block is connected with the lower side wall of the induction cavity through a return spring, a moving rack is slidably arranged on the upper side wall of the induction cavity and is meshed with the engagement gear, the moving rack is fixedly connected with the moving block, the lifting block moves downwards and drives the engagement gear to rotate through the transmission rack, thereby driving the moving rack and the moving block to move leftwards.
Beneficially, the lower end of the motor is in power connection with a second power shaft, a power bevel gear is fixedly arranged on the second power shaft, a transmission shaft is arranged on the right side wall of the motor cavity in a rotating mode, the left end of the transmission shaft is located in the working cavity, a transmission bevel gear is fixedly arranged in the motor cavity and is in meshed connection with the power bevel gear, a worm sleeve is connected to the transmission shaft in a splined mode and is located in the working cavity, the worm sleeve is in meshed connection with the worm wheel, and the power bevel gear drives the transmission bevel gear to rotate, so that the worm sleeve drives the worm wheel to rotate.
Beneficially, a third spring groove with an upward opening is formed in the upper end of the second rotating shaft, a third clamping groove is formed in the side wall of the working cavity in a communicated mode, the third clamping groove is located in the upper side of the third spring groove, a second wedge-shaped block is arranged between the third clamping groove and the third spring groove in a sliding mode, and the lower end of the second wedge-shaped block is connected with the side wall of the third spring groove through a third spring.
Advantageously, the right end of the support plate is provided with a thread groove opening to the right, the thread groove is located at the left end of the connecting rod, and the connecting rod is provided with threads near the periphery of the left side.
The invention has the beneficial effects that: according to the invention, the multi-piece display screen replaces the traditional one-piece display screen, when the display screen is damaged, the whole display screen does not need to be replaced, only one damaged display screen needs to be replaced, the cost is saved, the damaged display screen can be recovered for maintenance, the maintenance process is safer, and the display screen can be hidden in rainy weather, so that the service life of the display screen is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure of a multi-panel turnover display screen convenient for maintenance according to the present invention.
Fig. 2 is a schematic view of the structure a-a in fig. 1.
Fig. 3 is a schematic diagram of the structure B-B in fig. 2.
Fig. 4 is a schematic view of the structure of C-C in fig. 1.
Fig. 5 is an enlarged schematic view of D in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a multi-piece turnover display screen convenient for maintenance, which comprises a box body 11, wherein a working cavity 12 with a leftward opening is arranged in the box body 11, the right side wall of the working cavity 12 is communicated with a motor cavity 21, the right side wall of the motor cavity 21 is fixedly provided with a motor 20, the left end of the motor 20 is in power connection with a first power shaft 19, the left end of the first power shaft 19 is positioned in the working cavity 12, the first power shaft 19 is positioned in the working cavity 12 and is fixedly provided with a rotating block 18, the first power shaft 19 is rotatably provided with a rotating sleeve shaft 47, the rotating sleeve shaft 47 is positioned at the left side of the rotating block 18, the rotating sleeve shaft 47 is fixedly provided with a rotating gear 49 and a main bevel gear 48, the rotating gear 49 is positioned at the right side of the main bevel gear 48, the right side wall of the working cavity 12 is communicated with an annular groove 17, and the annular groove 17 takes the first power shaft 19 as the center, the sliding device is characterized in that a sliding block 16 is arranged in the annular groove 17 in a sliding manner, the left end of the sliding block 16 is located in the working cavity 12, the sliding block 16 is fixedly connected with the rotating block 18, a hydraulic pump 15 is fixedly arranged at the left end of the sliding block 16, a telescopic rod 70 is arranged at the left end of the hydraulic pump 15 in a sliding manner, a connecting rod 51 is connected at the left end of the telescopic rod 70 in a rotating manner, a limiting block 13 is arranged on the connecting rod 51 in a sliding manner, a transmission gear 14 is fixedly arranged on the limiting block 13, the transmission gear 14 is connected with the rotating gear 49 in a meshing manner, two fixing shafts 41 are arranged on the lower side wall of the working cavity 12 in a rotating manner, the two fixing shafts 41 are symmetrical front and back by taking the first power shaft 19 as a symmetrical center, a first rotating shaft 45 is arranged at the upper end of each fixing shaft 41 in a sliding manner, a second rotating shaft 46 is arranged at the upper end of the first rotating shaft 45 and is connected with the upper side wall of the working cavity 12 in a sliding manner, the first rotating shaft 45 and the second rotating shaft 46 are both fixedly provided with a supporting plate 50, the left end of the supporting plate 50 is fixedly provided with a display screen 52, the display screen 52 abuts against the front and rear side walls of the working cavity 12, the front and rear display screens 52 are mutually abutted and connected, the upper ends of the fixed shaft 41 and the first rotating shaft 45 are both provided with a first spring groove 60 with an upward opening, the lower ends of the second rotating shaft 46 and the first rotating shaft 45 are both provided with a first clamping groove 62 with a downward opening, the first clamping groove 62 is positioned on the upper side of the first spring groove 60, the lower side wall of the first spring groove 60 is fixedly provided with a first spring 59, the upper end of the first spring 59 on the upper side is fixedly provided with a trapezoidal block 61, the upper end of the trapezoidal block 61 is positioned in the first clamping groove 62, the trapezoidal block 61 is slidably connected with the first spring groove 60, the upper end of the first spring 59 on the lower side is fixedly provided with a first wedge 67, the upper end of the first wedge block 67 is located in the first clamping groove 62, the first wedge block 67 is connected with the first spring groove 60 in a sliding manner, the right ends of the trapezoid block 61 and the first wedge block 67 are respectively provided with a second clamping groove 63 with a right opening, the right side wall of the first clamping groove 62 is communicated with a second spring groove 66, a clamping block 64 is arranged between the second spring groove 66 and the second clamping groove 63 in a sliding manner, the right end of the clamping block 64 is connected with the right side wall of the second spring groove 66 through a second spring 65, the fixed shaft 41 is fixedly provided with a driven gear 58, the lower side wall of the working chamber 12 is communicated with a groove 31, a moving block 29 is arranged in the groove 31 in a sliding manner, the upper end of the moving block 29 is rotatably provided with a moving shaft 43, the moving shaft 43 is fixedly provided with a moving gear 28, a worm wheel 23 and an auxiliary bevel gear 44, and the auxiliary bevel gear 44 is connected with the main bevel gear 48 in a meshing manner, the lower side wall of the working cavity 12 is provided with a transmission block 42 in a sliding manner, the transmission block 42 is located between the movable gear 28 and the driven gear 58, the left end of the transmission block 42 is fixedly provided with a first rack 40, the first rack 40 is meshed with the driven gear 58, and the right end of the transmission block 42 is fixedly provided with a second rack 30.
Beneficially, an induction cavity 35 with a leftward opening is arranged at the left end of the box body 11, the induction cavity 35 is located at the lower side of the working cavity 12, the induction cavity 35 is communicated with the groove 31, an engagement shaft 33 is rotatably arranged on the rear side wall of the induction cavity 35, an engagement gear 34 is fixedly arranged on the engagement shaft 33, a lifting block 38 is slidably arranged between the front side wall and the rear side wall of the induction cavity 35, the left end of the lifting block 38 is located at the left side of the box body 11, a weight limiting groove 39 with an upward opening is arranged on the lifting block 38, a transmission rack 37 is fixedly arranged at the right end of the lifting block 38, the transmission rack 37 is in meshing connection with the engagement gear 34, the lower end of the lifting block 38 is connected with the lower side wall of the induction cavity 35 through a return spring 36, a moving rack 32 is slidably arranged on the upper side wall of the induction cavity 35, the moving rack 32 is in meshing connection with the engagement gear 34, the moving rack 32 is fixedly connected with the moving block 29, the lifting block 38 moves downwards, and the transmission rack 37 drives the engaging gear 34 to rotate, so as to drive the moving rack 32 and the moving block 29 to move leftwards.
Advantageously, a second power shaft 22 is power-connected to the lower end of the motor 20, a power bevel gear 25 is fixedly arranged on the second power shaft 22, a transmission shaft 27 is rotatably arranged on the right side wall of the motor cavity 21, the left end of the transmission shaft 27 is located in the working cavity 12, a transmission bevel gear 26 is fixedly arranged in the motor cavity 21 of the transmission shaft 27, the transmission bevel gear 26 is in meshed connection with the power bevel gear 25, a worm sleeve 24 is splined and connected to the transmission shaft 27 in the working cavity 12, the worm sleeve 24 is in meshed connection with the worm wheel 23, the motor 20 drives and realizes rotation of the power bevel gear 25, and the power bevel gear 25 drives the transmission bevel gear 26 to rotate, so that the worm sleeve 24 drives the worm wheel 23 to rotate.
Advantageously, a third spring groove 55 with an upward opening is formed at the upper end of the second rotating shaft 46, a third clamping groove 54 is formed in the upper side wall of the working chamber 12 in a communication manner, the third clamping groove 54 is located at the upper side of the third spring groove 55, a second wedge block 53 is slidably arranged between the third clamping groove 54 and the third spring groove 55, and the lower end of the second wedge block 53 is connected with the lower side wall of the third spring groove 55 through a third spring 56.
Advantageously, the right end of the supporting plate 50 is provided with a right-opened screw groove 57, the screw groove 57 is located at the left end of the connecting rod 51, and the connecting rod 51 is provided with screw threads near the left outer periphery.
The following will describe in detail the usage steps of an easy-to-repair multi-panel flip display in conjunction with fig. 1 to 5:
in an initial state, the four display screens 52 are positioned on the leftmost side and cover the opening of the working cavity 12, the upper end of the trapezoidal block 61 is positioned at the first clamping groove 62, the left end of the clamping block 64 is positioned at the second clamping groove 63, the upper end of the first wedge-shaped block 67 is positioned at the first clamping groove 62, the lifting block 38 is positioned on the uppermost side, the moving block 29 is positioned on the rightmost side, and the auxiliary bevel gear 44 is meshed with the main bevel gear 48;
when one of the display screens 52 needs to be overhauled, the motor 20 is started and only drives the first power shaft 19 to rotate, the first power shaft 19 drives the rotating block 18 to rotate, so as to drive the sliding block 16 to slide in the annular groove 17, the hydraulic pump 15 is moved to the right side of the appointed display screen 52, the motor 20 is stopped, the hydraulic pump 15 is started and drives the connecting rod 51 to move left, meanwhile, the motor 20 only drives the second power shaft 22 to rotate, the second power shaft 22 drives the power bevel gear 25 to rotate, the power bevel gear 25 drives the transmission bevel gear 26 to rotate, so as to drive the worm sleeve 24 to rotate through the transmission shaft 27, the worm sleeve 24 drives the worm wheel 23 to rotate, the worm wheel 23 drives the shifting gear 28 and the auxiliary bevel gear 44 to rotate through the shifting shaft 43, the auxiliary bevel gear 44 drives the main bevel gear 48 to rotate, the main bevel gear 48 drives the rotating gear 49 to rotate through the rotating sleeve shaft 47, and the rotating gear 49 drives the transmission gear 14 to rotate, the transmission gear 14 drives the connecting rod 51 to rotate, so that the connecting rod 51 is rotated into the threaded groove 57 and fixedly connected with the supporting plate 50 through threads, at the moment, the hydraulic pump 15 drives and drives the connecting rod 51 to move rightwards, so that the supporting plate 50 and the display screen 52 are driven to move rightwards, at the moment, the display screen 52 can be overhauled, when the display screen 52 on the upper side moves rightwards, the display screen 52 on the lower side is kept connected with the fixed shaft 41 through the first rotating shaft 45, and when the display screen 52 on the lower side moves rightwards, the second rotating shaft 46 can be prevented from being separated from the first rotating shaft 45 under the abutting action of the side walls of the second wedge-shaped block 53 and the third clamping groove 54, the mutual abutting action of the two display screens 52 on the upper side and the action of the front and rear side walls of the working chamber 12;
after the maintenance is finished, the hydraulic pump 15 is started to drive the connecting rod 51 to move left, the supporting plate 50 is reset, then the second power shaft 22 is reversed to drive the connecting rod 51 to reverse, the connecting rod 51 leaves the thread groove 57, and the equipment is restored to the initial state;
when it is rainy, the accumulated water in the weight-limiting groove 39 becomes heavy, the lifting block 38 moves downwards, the connecting gear 34 is driven to rotate through the transmission rack 37, so as to drive the moving rack 32 and the moving block 29 to move leftwards, the second rack 30 is meshed with the moving gear 28, the secondary bevel gear 44 is separated from the main bevel gear 48, the motor 20 drives the second power shaft 22 to rotate, so as to drive the moving gear 28 to drive the transmission block 42 to move, the transmission block 42 drives the driven gear 58 to rotate through the first rack 40, so as to drive the fixed shaft 41 to rotate, and under the action of the first wedge block 67, the second wedge block 53 and the trapezoid block 61, the fixed shaft 41 drives the first rotating shaft 45 and the second rotating shaft 46 to rotate, so as to drive the support plate 50 to rotate, the display screen 52 is turned to the right side of the support plate 50, the second power shaft 22 is turned backwards after the rain stops, the display screen 52 is turned to the left side of the support plate 50, the lifting block 38 is reset under the action of the reset spring 36, the device resumes the initial state.
The invention has the beneficial effects that: according to the invention, the multi-piece display screen replaces the traditional one-piece display screen, when the display screen is damaged, the whole display screen does not need to be replaced, only one damaged display screen needs to be replaced, the cost is saved, the damaged display screen can be recovered for maintenance, the maintenance process is safer, and the display screen can be hidden in rainy days, so that the service life of the display screen is prolonged.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a multi-sheet formula upset display screen convenient to overhaul, includes the box, its characterized in that: a working cavity with a leftward opening is arranged in the box body, a motor cavity is communicated with the right side wall of the working cavity, a motor is fixedly arranged on the right side wall of the motor cavity, the left end of the motor is in power connection with a first power shaft, the left end of the first power shaft is positioned in the working cavity, a rotating block is fixedly arranged in the working cavity on the first power shaft, a rotating sleeve shaft is arranged on the first power shaft in a rotating mode, the rotating sleeve shaft is positioned on the left side of the rotating block, a rotating gear and a main bevel gear are fixedly arranged on the rotating sleeve shaft, the rotating gear is positioned on the right side of the main bevel gear, a ring groove is communicated with the right side wall of the working cavity, the ring groove takes the first power shaft as a circle center, a sliding block is arranged in the ring groove in a sliding mode, the left end of the sliding block is positioned in the working cavity, the sliding block is fixedly connected with the rotating block, and a hydraulic pump is fixedly arranged on the left end of the sliding block, the left end of the hydraulic pump is provided with a telescopic rod in a sliding manner, the left end of the telescopic rod is connected with a connecting rod in a rotating manner, the connecting rod is provided with a limiting block in a sliding manner, a transmission gear is fixedly arranged on the limiting block and is meshed with the rotating gear, the lower side wall of the working cavity is provided with two fixing shafts in a rotating manner, the two fixing shafts are symmetrical front and back by taking the first power shaft as a symmetrical center, the upper end of the fixing shaft is provided with a first rotating shaft in a sliding manner, the upper end of the first rotating shaft is provided with a second rotating shaft in a sliding manner, the upper end of the second rotating shaft is connected with the upper side wall of the working cavity in a sliding manner, the first rotating shaft and the second rotating shaft are both fixedly provided with a supporting plate, the left end of the supporting plate is fixedly provided with a display screen, the display screen is abutted against the front and back side walls of the working cavity, the front and back two display screens are abutted against and connected with each other, the fixing shaft and the upper end of the first rotating shaft is provided with a first spring groove with an upward opening, the lower ends of the second rotating shaft and the first rotating shaft are respectively provided with a first clamping groove with a downward opening, the first clamping groove is positioned at the upper side of the first spring groove, a first spring is fixedly arranged on the lower side wall of the first spring groove, a trapezoidal block is fixedly arranged at the upper end of the first spring at the upper side, the upper end of the trapezoidal block is positioned in the first clamping groove, the trapezoidal block is in sliding connection with the first spring groove, a first wedge block is fixedly arranged at the upper end of the first spring at the lower side, the upper end of the first wedge block is positioned in the first clamping groove, the first wedge block is in sliding connection with the first spring groove, the right ends of the trapezoidal block and the first wedge block are respectively provided with a second clamping groove with a rightward opening, the right side wall of the first clamping groove is communicated with a second spring groove, a clamping block is arranged between the second spring groove and the second clamping groove in a sliding manner, and the right end of the clamping block is connected with the right side wall of the second spring groove through a second spring, a driven gear is fixedly arranged on the fixed shaft, a groove is formed in the lower side wall of the working cavity in a communicated manner, a moving block is arranged in the groove in a sliding manner, a moving shaft is rotatably arranged at the upper end of the moving block, a moving gear, a worm gear and an auxiliary bevel gear are fixedly arranged on the moving shaft, the auxiliary bevel gear is meshed with the main bevel gear, a transmission block is arranged on the lower side wall of the working cavity in a sliding manner and is positioned between the moving gear and the driven gear, a first rack is fixedly arranged at the left end of the transmission block and is meshed with the driven gear, and a second rack is fixedly arranged at the right end of the transmission block; the left end of the box body is provided with a sensing cavity with a leftward opening, the sensing cavity is positioned on the lower side of the working cavity and communicated with the groove, the rear side wall of the sensing cavity is rotatably provided with a connecting shaft, a connecting gear is fixedly arranged on the connecting shaft, a lifting block is slidably arranged between the front side wall and the rear side wall of the sensing cavity, the left end of the lifting block is positioned on the left side of the box body, the lifting block is provided with a weight limiting groove with an upward opening, the right end of the lifting block is fixedly provided with a transmission rack, the transmission rack is meshed with the connecting gear, the lower end of the lifting block is connected with the lower side wall of the sensing cavity through a return spring, the upper side wall of the sensing cavity is slidably provided with a moving rack, the moving rack is meshed with the connecting gear, and the moving rack is fixedly connected with the moving block; the lower end of the motor is in power connection with a second power shaft, a power bevel gear is fixedly arranged on the second power shaft, a transmission shaft is rotatably arranged on the right side wall of the motor cavity, the left end of the transmission shaft is positioned in the working cavity, a transmission bevel gear is fixedly arranged in the motor cavity, the transmission bevel gear is in meshed connection with the power bevel gear, a worm sleeve is in splined connection with the transmission shaft in the working cavity, and the worm sleeve is in meshed connection with the worm wheel; a third spring groove with an upward opening is formed in the upper end of the second rotating shaft, a third clamping groove is formed in the upper side wall of the working cavity in a communication mode, the third clamping groove is located on the upper side of the third spring groove, a second wedge-shaped block is arranged between the third clamping groove and the third spring groove in a sliding mode, and the lower end of the second wedge-shaped block is connected with the lower side wall of the third spring groove through a third spring; the backup pad right-hand member is equipped with the screw thread groove of opening right, the screw thread groove is located the connecting rod left end, the connecting rod is close to left side periphery department and is equipped with the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020016.9A CN112648494B (en) | 2021-01-07 | 2021-01-07 | Multi-sheet type turnover display screen convenient to overhaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020016.9A CN112648494B (en) | 2021-01-07 | 2021-01-07 | Multi-sheet type turnover display screen convenient to overhaul |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648494A CN112648494A (en) | 2021-04-13 |
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