CN114376336B - Folding device of folding computer desk for teaching - Google Patents
Folding device of folding computer desk for teaching Download PDFInfo
- Publication number
- CN114376336B CN114376336B CN202111500592.XA CN202111500592A CN114376336B CN 114376336 B CN114376336 B CN 114376336B CN 202111500592 A CN202111500592 A CN 202111500592A CN 114376336 B CN114376336 B CN 114376336B
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- rotating shaft
- folding
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- 230000003028 elevating effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 3
- 230000013011 mating Effects 0.000 description 22
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/081—Movable, extending, sliding table tops
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/04—Tables or desks for office equipment, e.g. typewriters, keyboards characterised by means for holding or fastening typewriters or computer equipment
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Abstract
The invention relates to the technical field of computers, and discloses a folding device of a folding computer desk for teaching, which comprises a rotating device and a power device for driving the rotating device, wherein the rotating device comprises a rotating shaft, the surface of the rotating shaft is fixedly connected with a sector gear, the rear side surface of the sector gear is fixedly connected with a sector plate, the left side of the sector gear is provided with a protruding column, the surface of the rotating shaft is fixedly connected with a protruding block, and the lower side of the protruding block is provided with a clamping block. This a folding device for folding desk of teaching uses through folding board, connecting rod, rotating device, power device, removal elevating gear, lifter plate, screen and rack's cooperation to reached the display and not fixed at the back of folding board, thereby prevented that the display from bumping with mouse keyboard and damaging when opening and shutting the folding board, and thereby the display adopts elevation structure, the effect that the display is automatic to rise after opening the folding board.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a folding device of a folding computer desk for teaching.
Background
At present, a multimedia classroom is usually equipped in a school to improve the teaching effect, and some multimedia classrooms are equipped with computers on seats of students, but the existing computers are directly placed on desks, so that the existing computers occupy space, are easy to be stained with dust for a long time, and the students can be shielded from vision when the students do not need to use the computers, and certain inconvenience is brought to the students, so that folding computer tables are available on the market, but the folding computer tables on the market are usually connected with the desktops through hinge structures, a display fixed on the back of the desktops and a mouse keyboard lamp on the lower side are exposed when the desktops are lifted, and the desktops are closed when the mouse keyboard and the like are not placed, so that the display is possibly contacted with the mouse keyboard and the like to collide, and the display is damaged, so that the folding device of the folding computer tables is necessary to be improved.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the folding device of the folding computer desk for teaching is provided with the display which is not fixed on the back surface of the folding plate, so that the display is prevented from being damaged due to collision with a mouse and a keyboard when the folding plate is opened and closed, the display adopts a lifting structure, the display is automatically lifted after the folding plate is opened, the problem that the display is damaged to cause loss due to the fact that the desktop is connected with the desk through a hinge structure in general and the display fixed on the back surface of the desktop and the mouse and keyboard lamp on the lower side are exposed when the desktop is lifted, but the desktop is closed when the mouse and the keyboard are not put well, the display is possibly contacted with the mouse and the keyboard and the like, and the problem of damage is solved.
(II) technical scheme
In order to realize the purpose that the display is not fixed on the back of the folding plate, the display is prevented from being damaged due to collision with a mouse and a keyboard when the folding plate is opened and closed, the display adopts a lifting structure, and the display automatically rises after the folding plate is opened, the invention provides the following technical scheme: the utility model provides a folding device for folding desk of teaching, includes rotating device and the power device who is used for driving rotating device, rotating device includes the axis of rotation, the fixed surface of axis of rotation is connected with sector gear, the rear side surface fixedly connected with sector plate of sector gear, the left side of sector gear is provided with protruding post, the fixed surface of axis of rotation is connected with protruding piece, the downside of protruding piece is provided with the fixture block.
Preferably, the sector gear is arranged in the rotating shaft, is concentric with the rotating shaft and has the same radius, the sector plate is fixedly connected with the rotating shaft and is on the same surface with the rotating shaft, the left side of the sector plate is arc-shaped, and a ramp is formed between the left side of the sector plate and the side surface of the rotating shaft; the rotation track of the protruding block passes through the clamping block, and the position of the clamping block is fixed.
The power device comprises a power gear, a matching groove is formed in the power gear, a matching spring is fixedly connected to the inside of the matching groove, a sliding stop block is fixedly connected to one end of the matching spring, a central wheel is rotatably connected to the inner side of the power gear, a unidirectional groove is formed in the surface of the central wheel, and a deflector rod is fixedly connected to the surface of the central wheel.
Preferably, the power gear is connected with an external motor, the power gear can rotate in a fixed position, the power gear is meshed with the rightmost side of the sector gear, and the number of the matching grooves, the number of the matching springs and the number of the sliding check blocks are equal to six to ten.
Preferably, the radial direction of the mating groove power gear is equal to the angle between two adjacent mating grooves, one end of each mating spring is fixedly connected in and parallel with one mating groove, the other end of each mating spring is fixedly connected with one sliding stop block, and the sliding stop blocks are parallel to and in sliding connection with the mating grooves.
Preferably, the center wheel and the power gear are concentric, the sliding stop block can drive the center wheel to rotate anticlockwise through the unidirectional groove, and the rotation track of the deflector rod passes through the position of the convex column symmetrical to the radial line of the rotation shaft passing through the center of the sector gear.
The utility model provides a folding device for folding desk of teaching, still includes removes elevating gear, remove elevating gear includes the removal gear, the rear side surface of removal gear is provided with the gag lever post, the surface rotation of removal gear is connected with the connecting plate, the left side of connecting plate rotates and is connected with elevating gear, the lower extreme fixedly connected with bottom plate of gag lever post, the downside surface fixedly connected with spring lever of bottom plate.
Preferably, the spring rod is fixed in position, the bottom plate is perpendicular to the spring rod, the movable gear is rotationally connected with the limiting rod, the upper end of the limiting rod is in contact with the sector plate and is in sliding connection with the sector plate, the movable gear is meshed with the power gear after moving upwards, and the lifting gear is meshed with the movable gear and is rotationally connected with the bottom plate.
Preferably, the fixed surface of axis of rotation is connected with the connecting rod, the upper end fixedly connected with folding board of connecting rod, lifting gear's left side meshing has the rack, the fixed surface of rack is connected with the lifter plate, the fixed surface of lifter plate is connected with the screen, the surface sliding connection of lifter plate has the spout.
Preferably, the lower extreme and the axis of rotation fixed connection of connecting rod, the connecting rod is perpendicular with the folding board, the lifter plate slides in vertical direction, and the rack is parallel with the lifter plate and set up the right side on the surface of lifter plate, and its upper end and lifting gear meshing, the spout is fixed.
(III) beneficial effects
Compared with the prior art, the invention provides a folding device of a folding computer desk for teaching, which has the following beneficial effects:
1. this a folding device for folding desk of teaching uses through folding board, connecting rod, rotating device, power device, removal elevating gear, lifter plate, screen and rack's cooperation to reached the display and not fixed at the back of folding board, thereby prevented that the display from bumping with mouse keyboard and damaging when opening and shutting the folding board, and thereby the display adopts elevation structure, the effect that the display is automatic to rise after opening the folding board.
2. The display of the folding device of the folding computer desk for teaching is not vertically placed with a mouse and a keyboard when being folded, so that the height of the placement space at the lower side of the folding plate is reduced, the space at the lower side of the computer desk is increased, more movable space is provided for the legs of students, or more space is provided for placing other articles such as books, papers, pens and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the turning device of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the power plant part of FIG. 1 according to the present invention;
fig. 4 is an enlarged view of the mobile lifting device of fig. 1 according to the present invention.
In the figure: 1. a folding plate; 2. a connecting rod; 3. a rotating device; 31. a rotating shaft; 32. a sector gear; 33. a sector plate; 34. a protruding column; 35. a protruding block; 36. a clamping block;
4. a power device; 41. a power gear; 42. a mating groove; 43. a mating spring; 44. a sliding block; 45. a center wheel; 46. a unidirectional groove; 47. a deflector rod;
5. moving the lifting device; 51. a moving gear; 52. a limit rod; 53. a connecting plate; 54. a lifting gear; 55. a bottom plate; 56. a spring rod;
6. a lifting plate; 7. a screen; 8. a rack; 9. and a sliding groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-3, a folding device for a folding computer desk for teaching includes a rotating device 3 and a power device 4 for driving the rotating device 3, wherein the rotating device 3 includes a rotating shaft 31, a sector gear 32 is fixedly connected to a surface of the rotating shaft 31, a sector plate 33 is fixedly connected to a rear side surface of the sector gear 32, a protruding column 34 is arranged on a left side of the sector gear 32, a protruding block 35 is fixedly connected to a surface of the rotating shaft 31, and a clamping block 36 is arranged on a lower side of the protruding block 35.
The sector gear 32 is arranged in the rotating shaft 31 and concentric with the rotating shaft 31, and has the same radius, the sector plate 33 is fixedly connected with the rotating shaft 31 and is on the same surface with the rotating shaft 31, the left side of the sector plate 33 is arc-shaped, and a ramp is formed with the side surface of the rotating shaft 31; the rotation track of the protruding block 35 passes through the clamping block 36, and the position of the clamping block 36 is fixed.
The fixed surface of axis of rotation 31 is connected with connecting rod 2, and the upper end fixedly connected with folding board 1 of connecting rod 2, and the left side meshing of lifting gear 54 has rack 8, and the fixed surface of rack 8 is connected with lifter plate 6, and the fixed surface of lifter plate 6 is connected with screen 7, and the surface sliding connection of lifter plate 6 has spout 9.
The lower extreme and the axis of rotation 31 fixed connection of connecting rod 2, connecting rod 2 are perpendicular with folding board 1, and lifter plate 6 slides in vertical direction, and rack 8 is parallel with lifter plate 6 and set up the right side on the surface of lifter plate 6, and its upper end and lifting gear 54 meshing, spout 9 is fixed.
The power device 4 comprises a power gear 41, a matching groove 42 is formed in the power gear 41, a matching spring 43 is fixedly connected in the matching groove 42, one end of the matching spring 43 is fixedly connected with a sliding stop block 44, a center wheel 45 is rotatably connected to the inner side of the power gear 41, a one-way groove 46 is formed in the surface of the center wheel 45, and a deflector rod 47 is fixedly connected to the surface of the center wheel 45.
The power gear 41 is connected with an external motor, and is fixed in position to be rotatable, the power gear 41 is engaged with the rightmost side of the sector gear 32, and the number of the fitting grooves 42, the fitting springs 43 and the sliding stoppers 44 is equal to six to ten.
The mating grooves 42 are formed in the radial direction of the power gear 41, and the angles between two adjacent mating grooves 42 are equal, one end of each mating spring 43 is fixedly connected in one mating groove 42 and parallel to the mating groove, the other end of each mating spring is fixedly connected with one sliding stop block 44, and the sliding stop blocks 44 are parallel to the mating grooves 42 and are in sliding connection.
The center wheel 45 is concentric with the power gear 41, the sliding block 44 can drive the center wheel 45 to rotate anticlockwise through the unidirectional groove 46, and the rotation track of the deflector rod 47 passes through the position of the convex column 34 symmetrical with respect to the radial line of the rotation shaft 31 passing through the center of the sector gear 32.
Embodiment two:
referring to fig. 1, 2 and 4, a folding device for a folding computer desk for teaching includes a rotating device 3 and a power device 4 for driving the rotating device 3, wherein the rotating device 3 includes a rotating shaft 31, a sector gear 32 is fixedly connected to a surface of the rotating shaft 31, a sector plate 33 is fixedly connected to a rear side surface of the sector gear 32, a protruding column 34 is arranged on a left side of the sector gear 32, a protruding block 35 is fixedly connected to a surface of the rotating shaft 31, and a clamping block 36 is arranged on a lower side of the protruding block 35.
The sector gear 32 is arranged in the rotating shaft 31 and concentric with the rotating shaft 31, and has the same radius, the sector plate 33 is fixedly connected with the rotating shaft 31 and is on the same surface with the rotating shaft 31, the left side of the sector plate 33 is arc-shaped, and a ramp is formed with the side surface of the rotating shaft 31; the rotation track of the protruding block 35 passes through the clamping block 36, and the position of the clamping block 36 is fixed.
The fixed surface of axis of rotation 31 is connected with connecting rod 2, and the upper end fixedly connected with folding board 1 of connecting rod 2, and the left side meshing of lifting gear 54 has rack 8, and the fixed surface of rack 8 is connected with lifter plate 6, and the fixed surface of lifter plate 6 is connected with screen 7, and the surface sliding connection of lifter plate 6 has spout 9.
The lower extreme and the axis of rotation 31 fixed connection of connecting rod 2, connecting rod 2 are perpendicular with folding board 1, and lifter plate 6 slides in vertical direction, and rack 8 is parallel with lifter plate 6 and set up the right side on the surface of lifter plate 6, and its upper end and lifting gear 54 meshing, spout 9 is fixed.
Still include the removal elevating gear 5, remove elevating gear 5 and include the movable gear 51, the rear side surface of movable gear 51 is provided with gag lever post 52, and the surface rotation of movable gear 51 is connected with connecting plate 53, and the left side rotation of connecting plate 53 is connected with elevating gear 54, and the lower extreme fixedly connected with bottom plate 55 of gag lever post 52, the downside surface fixedly connected with spring lever 56 of bottom plate 55.
The spring rod 56 is fixed in position, the bottom plate 55 is perpendicular to the spring rod 56, the moving gear 51 is in rotary connection with the limiting rod 52, the upper end of the limiting rod 52 is in contact with the sector plate 33 and in sliding connection with the sector plate, the moving gear 51 is meshed with the power gear 41 after moving upwards, and the lifting gear 54 is meshed with the moving gear 51 and in rotary connection with the bottom plate 55.
Embodiment III:
referring to fig. 1-4, a folding device for a folding computer desk for teaching includes a rotating device 3 and a power device 4 for driving the rotating device 3, wherein the rotating device 3 includes a rotating shaft 31, a sector gear 32 is fixedly connected to a surface of the rotating shaft 31, a sector plate 33 is fixedly connected to a rear side surface of the sector gear 32, a protruding column 34 is arranged on a left side of the sector gear 32, a protruding block 35 is fixedly connected to a surface of the rotating shaft 31, and a clamping block 36 is arranged on a lower side of the protruding block 35.
The sector gear 32 is arranged in the rotating shaft 31 and concentric with the rotating shaft 31, and has the same radius, the sector plate 33 is fixedly connected with the rotating shaft 31 and is on the same surface with the rotating shaft 31, the left side of the sector plate 33 is arc-shaped, and a ramp is formed with the side surface of the rotating shaft 31; the rotation track of the protruding block 35 passes through the clamping block 36, and the position of the clamping block 36 is fixed.
The fixed surface of axis of rotation 31 is connected with connecting rod 2, and the upper end fixedly connected with folding board 1 of connecting rod 2, and the left side meshing of lifting gear 54 has rack 8, and the fixed surface of rack 8 is connected with lifter plate 6, and the fixed surface of lifter plate 6 is connected with screen 7, and the surface sliding connection of lifter plate 6 has spout 9.
The lower extreme and the axis of rotation 31 fixed connection of connecting rod 2, connecting rod 2 are perpendicular with folding board 1, and lifter plate 6 slides in vertical direction, and rack 8 is parallel with lifter plate 6 and set up the right side on the surface of lifter plate 6, and its upper end and lifting gear 54 meshing, spout 9 is fixed.
The power device 4 comprises a power gear 41, a matching groove 42 is formed in the power gear 41, a matching spring 43 is fixedly connected in the matching groove 42, one end of the matching spring 43 is fixedly connected with a sliding stop block 44, a center wheel 45 is rotatably connected to the inner side of the power gear 41, a one-way groove 46 is formed in the surface of the center wheel 45, and a deflector rod 47 is fixedly connected to the surface of the center wheel 45.
The power gear 41 is connected with an external motor, and is fixed in position to be rotatable, the power gear 41 is engaged with the rightmost side of the sector gear 32, and the number of the fitting grooves 42, the fitting springs 43 and the sliding stoppers 44 is equal to six to ten.
The mating grooves 42 are formed in the radial direction of the power gear 41, and the angles between two adjacent mating grooves 42 are equal, one end of each mating spring 43 is fixedly connected in one mating groove 42 and parallel to the mating groove, the other end of each mating spring is fixedly connected with one sliding stop block 44, and the sliding stop blocks 44 are parallel to the mating grooves 42 and are in sliding connection.
The center wheel 45 is concentric with the power gear 41, the sliding block 44 can drive the center wheel 45 to rotate anticlockwise through the unidirectional groove 46, and the rotation track of the deflector rod 47 passes through the position of the convex column 34 symmetrical with respect to the radial line of the rotation shaft 31 passing through the center of the sector gear 32.
Still include the removal elevating gear 5, remove elevating gear 5 and include the movable gear 51, the rear side surface of movable gear 51 is provided with gag lever post 52, and the surface rotation of movable gear 51 is connected with connecting plate 53, and the left side rotation of connecting plate 53 is connected with elevating gear 54, and the lower extreme fixedly connected with bottom plate 55 of gag lever post 52, the downside surface fixedly connected with spring lever 56 of bottom plate 55.
The spring rod 56 is fixed in position, the bottom plate 55 is perpendicular to the spring rod 56, the moving gear 51 is in rotary connection with the limiting rod 52, the upper end of the limiting rod 52 is in contact with the sector plate 33 and in sliding connection with the sector plate, the moving gear 51 is meshed with the power gear 41 after moving upwards, and the lifting gear 54 is meshed with the moving gear 51 and in rotary connection with the bottom plate 55.
Working procedure and principle the initial state of the folding device of the folding computer desk for teaching is shown in figures 1-4.
When the folding computer desk needs to be unfolded, the starting device is started, the power gear 41 rotates clockwise to drive the sector gear 32 meshed with the power gear 41 to rotate anticlockwise, the sector gear 32 rotates to drive the rotating shaft 31 fixedly connected with the sector gear 32 and the sector plate 33, the convex column 34 and the convex block 35 fixedly connected with the rotating shaft, the rotating shaft 31 rotates to drive the connecting rod 2 fixedly connected with the rotating shaft to rotate, and the folding plate 1 fixedly connected with the connecting rod 2 rotates to be unfolded. And the power gear 41 rotates clockwise and simultaneously, because of the cooperation of the sliding stop block 44 which is connected with the cooperation spring 43 in a sliding way and the unidirectional groove 46 on the center wheel 45, the center wheel 45 is not driven to rotate, namely, the deflector rod 47 which is fixedly connected with the center wheel 45 is not driven to rotate.
When the power gear 41 drives the sector gear 32 to rotate to the bottom of the sector gear 32, the protruding column 34 on the rotating shaft 31 rotates to the moving track of the shift lever 47, and according to the above, the power gear 41 does not drive the center wheel 45 to rotate when rotating clockwise, i.e. the shift lever 47 fixedly connected with the center wheel 45 does not rotate and does not drive the protruding column 34 to rotate.
When the sector gear 32 rotates to the bottom, the sector plate 33 rotates to be not contacted with the limiting rod 52 on the movable lifting device 5 at the lower side of the sector plate 33, the limiting rod 52 moves upwards under the action of the spring rod 56 fixedly connected with the sector plate 33 through the connecting plate 53 at the lower side of the sector plate, drives the movable gear 51 rotatably connected with the sector plate to move upwards, drives the lifting gear 54 meshed with the left side of the sector plate and rotatably connected with the same connecting plate 53 to move upwards until the movable gear 51 moves upwards to be meshed with the power gear 41, and the lifting gear 54 rotates clockwise to drive the rack 8 meshed with the sector plate to move upwards, namely the lifting plate 6 fixedly connected with the rack 8 and the screen 7 fixedly connected with the lifting plate are lifted upwards, so that the screen 7 completely exceeds the rotating shaft 31, and the device is opened.
When the device is retracted, the power gear 41 rotates anticlockwise, the principle is opposite to the same process, and the anticlockwise rotation of the power gear 41 drives the deflector rod 47 to rotate anticlockwise, the deflector rod 47 rotates to drive the convex column 34 to rotate, the rotating shaft 31 and the sector gear 32 on the rotating shaft are driven to rotate anticlockwise, and the re-engagement of the sector gear 32 and the power gear 41 is ensured.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A folding device for folding desk of teaching, its characterized in that: the device comprises a rotating device (3) and a power device (4) for driving the rotating device (3), wherein the rotating device (3) comprises a rotating shaft (31), a sector gear (32) is fixedly connected to the surface of the rotating shaft (31), a sector plate (33) is fixedly connected to the rear side surface of the sector gear (32), a protruding column (34) is arranged on the left side of the sector gear (32), a protruding block (35) is fixedly connected to the surface of the rotating shaft (31), and a clamping block (36) is arranged on the lower side of the protruding block (35);
the sector gear (32) is arranged in the rotating shaft (31) and is concentric with the rotating shaft and has the same radius, the sector plate (33) is fixedly connected with the rotating shaft (31) and is on the same surface with the rotating shaft, the left side of the sector plate (33) is arc-shaped, and a ramp is formed with the side surface of the rotating shaft (31); the rotating track of the protruding block (35) passes through a clamping block (36), and the position of the clamping block (36) is fixed;
the power device (4) comprises a power gear (41), a matching groove (42) is formed in the power gear (41), a matching spring (43) is fixedly connected in the matching groove (42), a sliding stop block (44) is fixedly connected to one end of the matching spring (43), a center wheel (45) is rotatably connected to the inner side of the power gear (41), a one-way groove (46) is formed in the surface of the center wheel (45), and a deflector rod (47) is fixedly connected to the surface of the center wheel (45);
the power gear (41) is connected with an external motor, the position of the power gear is fixed and can rotate, the power gear (41) is meshed with the rightmost side of the sector gear (32), and the number of the matching grooves (42), the number of the matching springs (43) and the number of the sliding stop blocks (44) are equal to six to ten;
the power gear (41) of the matching grooves (42) is radial, the angles between two adjacent matching grooves (42) are equal, one end of each matching spring (43) is fixedly connected in one matching groove (42) and parallel to the matching groove, the other end of each matching spring is fixedly connected with one sliding stop block (44), and the sliding stop blocks (44) are parallel to the matching grooves (42) and are in sliding connection;
the center wheel (45) and the power gear (41) are concentric, the sliding stop block (44) can drive the center wheel (45) to rotate anticlockwise through the unidirectional groove (46), and the rotation track of the deflector rod (47) passes through the position of the convex column (34) symmetrical with respect to the radial line of the rotating shaft (31) passing through the center of the sector gear (32);
the movable lifting device (5) comprises a movable gear (51), a limiting rod (52) is arranged on the rear side surface of the movable gear (51), a connecting plate (53) is rotatably connected to the surface of the movable gear (51), a lifting gear (54) is rotatably connected to the left side of the connecting plate (53), a bottom plate (55) is fixedly connected to the lower end of the limiting rod (52), and a spring rod (56) is fixedly connected to the lower side surface of the bottom plate (55);
the spring rod (56) is fixed in position, the bottom plate (55) is perpendicular to the spring rod (56), the movable gear (51) is rotationally connected with the limiting rod (52), the upper end of the limiting rod (52) is in contact with the sector plate (33) and is in sliding connection, the movable gear (51) is meshed with the power gear (41) after moving upwards, and the lifting gear (54) is meshed with the movable gear (51) and is rotationally connected with the bottom plate (55);
the surface of the rotating shaft (31) is fixedly connected with a connecting rod (2), the upper end of the connecting rod (2) is fixedly connected with a folding plate (1), the left side of the lifting gear (54) is meshed with a rack (8), the surface of the rack (8) is fixedly connected with a lifting plate (6), the surface of the lifting plate (6) is fixedly connected with a screen (7), and the surface of the lifting plate (6) is slidably connected with a chute (9);
the lower extreme and the axis of rotation (31) fixed connection of connecting rod (2), connecting rod (2) are perpendicular with folding board (1), lifter plate (6) slide in vertical direction, and rack (8) are parallel with lifter plate (6) and set up the right side on the surface of lifter plate (6), and its upper end and lifting gear (54) meshing, spout (9) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500592.XA CN114376336B (en) | 2021-12-09 | 2021-12-09 | Folding device of folding computer desk for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111500592.XA CN114376336B (en) | 2021-12-09 | 2021-12-09 | Folding device of folding computer desk for teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114376336A CN114376336A (en) | 2022-04-22 |
| CN114376336B true CN114376336B (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111500592.XA Active CN114376336B (en) | 2021-12-09 | 2021-12-09 | Folding device of folding computer desk for teaching |
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| Country | Link |
|---|---|
| CN (1) | CN114376336B (en) |
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| CN202457084U (en) * | 2012-03-07 | 2012-10-03 | 西安科技大学 | Safe and automatic notebook computer storage desk |
| KR101281503B1 (en) * | 2012-06-29 | 2013-07-03 | 주식회사 우드메탈 | Sub-shelf for furniture |
| CN203986829U (en) * | 2014-06-12 | 2014-12-10 | 傅建钢 | New display lifting desk |
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| CN208129774U (en) * | 2018-01-16 | 2018-11-23 | 中山市海邦家具实业有限公司 | A kind of computer desk with turning display screen function |
| JP6672540B1 (en) * | 2019-04-26 | 2020-03-25 | 威海火峰電脳有限公司 | Laptop desk easy to carry |
| CN111053361A (en) * | 2019-12-11 | 2020-04-24 | 江西和兴教育装备有限公司 | Formula of uncapping notebook computer lift table |
| CN112545177A (en) * | 2020-12-30 | 2021-03-26 | 石家庄书立贸易有限公司 | Prevent hidden flat display screen support protection device that falls |
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| CN202457084U (en) * | 2012-03-07 | 2012-10-03 | 西安科技大学 | Safe and automatic notebook computer storage desk |
| KR101281503B1 (en) * | 2012-06-29 | 2013-07-03 | 주식회사 우드메탈 | Sub-shelf for furniture |
| CN203986829U (en) * | 2014-06-12 | 2014-12-10 | 傅建钢 | New display lifting desk |
| CN105559345A (en) * | 2016-03-11 | 2016-05-11 | 成都紫瑞青云航空宇航技术有限公司 | Worktable |
| CN208129774U (en) * | 2018-01-16 | 2018-11-23 | 中山市海邦家具实业有限公司 | A kind of computer desk with turning display screen function |
| JP6672540B1 (en) * | 2019-04-26 | 2020-03-25 | 威海火峰電脳有限公司 | Laptop desk easy to carry |
| CN111053361A (en) * | 2019-12-11 | 2020-04-24 | 江西和兴教育装备有限公司 | Formula of uncapping notebook computer lift table |
| CN112545177A (en) * | 2020-12-30 | 2021-03-26 | 石家庄书立贸易有限公司 | Prevent hidden flat display screen support protection device that falls |
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| Publication number | Publication date |
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| CN114376336A (en) | 2022-04-22 |
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Effective date of registration: 20240202 Address after: 272000 No. 2, Zhixing Road, Liangshan Economic Development Zone, Jining City, Shandong Province Patentee after: Shandong Golden Sun Education Group Co.,Ltd. Country or region after: China Address before: 221018 room A407, 4th floor, zone a, university entrepreneurship Park, No. 99, University Road, high tech Industrial Development Zone, Xuzhou, Jiangsu Province Patentee before: Jiangsu Zhongshang Robot Technology Co.,Ltd. Country or region before: China |