CN110738876B - Computer teaching instrument convenient to move - Google Patents
Computer teaching instrument convenient to move Download PDFInfo
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- CN110738876B CN110738876B CN201910894600.XA CN201910894600A CN110738876B CN 110738876 B CN110738876 B CN 110738876B CN 201910894600 A CN201910894600 A CN 201910894600A CN 110738876 B CN110738876 B CN 110738876B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 52
- 230000007306 turnover Effects 0.000 claims description 40
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 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
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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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
- F16M11/06—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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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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
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Handcart (AREA)
Abstract
The invention relates to the field of teaching instruments, in particular to a computer teaching instrument convenient to move, which comprises a host platform, an expansion controller, an expansion piece, a guide support piece, an overturning transmission piece, an overturning screen frame, a heightening bracket, a moving platform and a traveling wheel, and is characterized in that the front end of the host platform is connected with the moving platform through the guide support piece; the middle end of the host platform is connected with the mobile platform through the unfolding piece; the unfolding controller is connected to the middle of the unfolding piece; the unfolding controller is in transmission connection with the unfolding piece; the invention provides a computer teaching instrument convenient to move, which can be folded and contracted when not in use so as to be convenient to move, and can be unfolded, lifted and fixed when in use so as to be convenient to use.
Description
Technical Field
The invention relates to the field of teaching instruments, in particular to a computer teaching instrument convenient to move.
Background
The computer teaching instrument is composed of computer configuration corresponding external equipment and corresponding software, and is used in teaching work of computer related specialties, and is characterized by that: the configuration is flexible, the adaptability is wide, and different external devices and teaching software can be configured according to the course requirements.
With the rapid development of computer teaching instrument technology, computer teaching instruments are more used for course teaching, and convenience is brought to teaching work; however, the existing computer teaching instrument has a large volume, cannot be folded or unfolded, and is inconvenient to move.
Disclosure of Invention
In order to solve the problems, the invention provides a computer teaching instrument convenient to move, the whole instrument can be folded and contracted when not in use so as to be convenient to move, and the whole instrument can be unfolded, lifted and fixed when in use so as to be convenient to use.
In a first aspect, the invention provides a computer teaching instrument convenient to move, which comprises a host platform, an expansion controller, an expansion piece, a guide support piece, an overturning transmission piece, an overturning screen frame, a height-adjusting support, a moving platform and traveling wheels, and is characterized in that the front end of the host platform is connected with the moving platform through the guide support piece; the middle end of the host platform is connected with the mobile platform through the unfolding piece; the unfolding controller is connected to the middle of the unfolding piece; the unfolding controller is in transmission connection with the unfolding piece; one end of the overturning transmission member is connected to the guide support member, and the other end of the overturning transmission member is connected to the host platform; the overturning transmission part is in transmission connection with the overturning screen frame; the turnover screen frame is connected to the host platform; the two height-adjusting supports are symmetrically connected to two ends of the mobile platform; the unfolding part is in transmission connection with the two height-adjusting brackets; four corners of the bottom surface of the mobile platform are respectively provided with a traveling wheel; a computer host is connected in a groove in the middle of the top surface of the host platform; the turnover screen frame is connected with a display, and the display is connected with the computer host through a wire.
With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein two ends of the host platform are respectively provided with a tool storage slot.
With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein the deployment controller includes a control wheel, a bidirectional screw, a screw seat, a moving slider, and a linkage push plate; the control rotating wheel is fixed at the rear end of the bidirectional screw; the middle end of the bidirectional screw is rotationally matched on the screw seat; the screw rod seat is fixed on the unfolding piece; the two moving sliding blocks are symmetrically connected to the front end and the rear end of the bidirectional screw through threads; the lower ends of the two movable sliding blocks are respectively and rotatably connected with the outer ends of the two linkage push plates; the inner ends of the two linkage push plates positioned at the front end are respectively and rotatably connected with the two sides of the front end of the unfolding piece; the inner ends of the two linkage push plates positioned at the rear end are respectively and rotatably connected with the two sides of the rear end of the unfolding piece.
With reference to the second possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the unfolding component comprises a chute frame, a double-sided rack, a guide block, an unfolding bracket and an unfolding support; the sliding groove frame is fixed in the middle of the top surface of the mobile platform; the two double-sided racks are symmetrically and slidably matched at the left end and the right end inside the chute frame, the bottom surfaces of the two double-sided racks are slidably matched on the top surface of the moving platform, the inner ends of the top surfaces of the two double-sided racks are respectively fixedly connected with a guide block, and the two guide blocks are respectively and slidably matched in the two guide grooves on the top surface of the chute frame; the upper ends of the two unfolding supports are respectively and rotatably connected to the two ends of the unfolding support, the unfolding support is fixed in the middle of the bottom end of the host platform, and the lower ends of the two unfolding supports are respectively and rotatably connected to one guide block; the inner ends of the two linkage push plates positioned at the front end are respectively and rotatably connected to the inner sides of the front ends of the two double-sided racks; the inner ends of the two linkage push plates positioned at the rear end are respectively and rotatably connected with the inner sides of the rear ends of the two double-sided racks.
With reference to the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the outer ends of the two double-sided racks are fixedly connected to a push-pull frame respectively.
In combination with the third possible implementation manner of the first aspect, the present disclosure provides a fifth possible implementation manner of the first aspect, wherein the guide support comprises a sliding member, a fixed member, and a linkage member; the upper end of the sliding piece is fixedly connected to the front end of the host platform; the lower end of the sliding piece is in sliding fit with the contraction groove on the top surface of the fixed piece; the lower end of the fixed part is fixedly connected with the front end of the top surface of the mobile platform; the lower end of the rear side of the sliding piece is fixedly connected with a linkage piece; the linkage piece is in sliding fit with the vertical groove in the rear side face of the fixing piece, and the vertical groove is communicated with the contraction groove; the rear end of the linkage piece is fixedly connected with one end of the overturning transmission piece.
With reference to the fifth possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the overturning transmission part comprises a linkage plate, a linkage seat, a linkage shaft, a linkage gear, a linkage rack, an L-shaped frame, a driving bevel gear, a driven bevel gear and a worm; the front end of the linkage plate is fixedly connected with the linkage piece; the rear end of the linkage plate is fixedly connected with a linkage seat; the rear end of the linkage shaft is rotationally matched on the linkage seat through a bearing with a seat; the front end of the linkage shaft is fixedly connected with a linkage gear; the linkage gear is in meshing transmission connection with the linkage rack; the linkage rack is fixedly connected to the rear side face of the fixing piece through the L-shaped frame; the driving bevel gear is fixedly connected to the middle part of the linkage shaft; the driving bevel gear is in meshed transmission connection with the driven bevel gear; the driven bevel gear is fixedly connected to the lower end of the worm; the middle end of the worm is rotatably connected to the front end of the host platform through a bearing with a seat; the upper end of the worm is in meshed transmission connection with the turnover screen frame.
With reference to the sixth possible implementation manner of the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the flip screen frame includes a worm gear, a flip shaft, a bearing seat, and a flip frame; the upper end of the worm is in meshed transmission connection with a worm wheel; the worm wheel is fixed in the middle of the turnover shaft; the turning shaft is fixed at the lower end of the turning frame; two ends of the turnover shaft are respectively matched on a bearing seat in a rotating way through bearings, and the two bearing seats are fixed at the front end of the top surface of the host platform; the display is installed on the roll-over stand.
With reference to the seventh possible implementation manner of the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the roll-over stand comprises an outer frame body, an inner frame body, a horizontal shaft, a movable connecting rod, a rotating connecting rod, a rectangular sliding block, a positioning screw rod, a bracket, a sliding connecting rod, an adjusting screw rod, a rod seat plate and a movable seat; the lower end of the outer frame body is fixed on the turnover shaft; the front end of the outer frame body is provided with a frame body groove; the upper end of the inner frame body is fixed on the transverse shaft, and two ends of the transverse shaft are respectively in running fit with two sides of the upper end of the frame body groove; one end of the transverse shaft is fixedly connected with one end of a rotating connecting rod, the other end of the rotating connecting rod is in rotating fit with one end of a movable connecting rod, the other end of the movable connecting rod is in rotating fit with a rectangular sliding block, and the rectangular sliding block is in sliding fit with a side sliding groove at the side end of the outer frame body; a plurality of upper and lower positioning threaded holes are formed in the side end of the outer frame body and communicated with the side sliding groove; the positioning screw rod is connected in a positioning threaded hole through threads and inserted into the insertion hole in the rectangular sliding block; a clamping groove is formed in the middle of the upper end of the bracket; two sides of the upper end of the bracket are respectively fixedly connected with a sliding connecting rod, and the upper ends of the two sliding connecting rods are respectively matched in the connecting rod sliding grooves at two ends of the inner frame body in a sliding manner; the upper end of one sliding connecting rod is fixedly connected with the movable seat; the lower end of the inner frame body is provided with a pole seat plate; the middle part of the adjusting screw is matched on the movable seat through threads; the lower end of the adjusting screw rod is rotatably connected to the rod seat plate through a bearing with a seat; the upper end of the display is installed in the embedded groove in the front side of the inner frame body, and the lower end of the display is inserted into the clamping groove in the upper end of the frame.
With reference to the third possible implementation manner of the first aspect, the present invention provides a ninth possible implementation manner of the first aspect, wherein the height-adjusting bracket includes a screw rod, a rotating pipe, a rotating gear, a top plate, and a supporting bottom plate; the upper ends of the two screw rods are respectively fixed at the two ends of the top plate, and the lower ends of the two screw rods are respectively fixed at the two ends of the supporting bottom plate; the middle parts of the two lead screws are respectively matched on the inner side of the rotating pipe through threads; the upper ends of the two rotating pipes are respectively fixedly connected with a rotating gear; the two rotating gears are respectively meshed and in transmission connection with two ends of a double-sided rack; the two rotating pipes are respectively and rotatably connected to the moving platform through bearings with seats; two supporting bottom plates of the two height-adjusting brackets are arranged in parallel.
The embodiment of the invention has the following beneficial effects: when the computer teaching instrument convenient to move is not used, the whole instrument can be folded and contracted, has a small volume, is convenient to carry and move, can be unfolded, lifted and fixed when being used, and is adjusted to an optimal teaching display position, so that teaching work is convenient to carry; the whole device can be unfolded or contracted under the control of the unfolding controller, and the operation is convenient and fast.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of a first embodiment of the present invention;
FIG. 2 is a block diagram of a second embodiment of the present invention;
FIG. 3 is a block diagram of a host platform provided by an embodiment of the present invention;
FIG. 4 is a block diagram of a deployment controller provided in accordance with an embodiment of the present invention;
FIG. 5 is a first block diagram of a deployment element according to an embodiment of the present invention;
FIG. 6 is a second block diagram of a deployment element according to an embodiment of the present invention;
FIG. 7 is a block diagram of a guide support provided in accordance with an embodiment of the present invention;
FIG. 8 is a first structural view of a turnover driving member according to an embodiment of the present invention;
FIG. 9 is a second schematic diagram of a turnover driving member according to an embodiment of the present invention;
fig. 10 is a structural diagram of a flip screen frame according to an embodiment of the present invention;
FIG. 11 is a first structural view of the roll-over stand according to the embodiment of the present invention;
FIG. 12 is a second structural view of the roll-over stand according to the embodiment of the present invention;
fig. 13 is a structural diagram of an elevation support provided in an embodiment of the present invention.
Icon: a host platform 1; a deployment controller 2; a control runner 21; a bidirectional screw 22; a screw seat 23; a moving slide 24; a linkage push plate 25; a deployment member 3; a chute frame 31; a double-sided rack 32; a guide block 33; deploying the stent 34; deploying the support 35; a push-pull frame 36; a guide support 4; a slide member 41; a fixing member 42; a link member 43; turning over the transmission part 5; a linkage plate 51; a linkage seat 52; a linkage shaft 53; a link gear 54; a linked rack 55; an L-shaped frame 56; a drive bevel gear 57; a driven bevel gear 58; a worm 59; turning over the screen frame 6; a worm wheel 61; a turning shaft 62; a bearing seat 63; a roll-over stand 64; an outer frame body 64 a; an inner frame body 64 b; a horizontal axis 64 c; a movable link 64 d; a rotating link 64 e; a rectangular slider block 64 f; a positioning screw 64 g; a bracket 64 h; a slide link 64 i; an adjusting screw 64 j; a lever seat plate 64 k; a movable seat 64 l; the height of the bracket 7 is adjusted; a lead screw 71; a rotary pipe 72; a rotary gear 73; a top plate 74; a support base plate 75; a mobile platform 8; and a traveling wheel 9.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 to 13, the computer teaching instrument convenient to move provided by the embodiment of the present invention includes a host platform 1, an expansion controller 2, an expansion member 3, a guide support member 4, an overturning transmission member 5, an overturning screen frame 6, a height-adjusting support 7, a moving platform 8 and a traveling wheel 9, wherein the front end of the host platform 1 is connected to the moving platform 8 through the guide support member 4; the middle end of the host platform 1 is connected with the mobile platform 8 through the unfolding piece 3; the unfolding controller 2 is connected to the middle of the unfolding piece 3; the unfolding controller 2 is in transmission connection with the unfolding piece 3; one end of the turning transmission member 5 is connected to the guide support member 4, and the other end of the turning transmission member 5 is connected to the host platform 1; the overturning transmission part 5 is in transmission connection with an overturning screen frame 6; the turnover screen frame 6 is connected to the host platform 1; the two height-adjusting supports 7 are symmetrically connected to two ends of the moving platform 8; the unfolding part 3 is in transmission connection with two height-adjusting brackets 7; four corners of the bottom surface of the movable platform 8 are respectively provided with a traveling wheel 9; a computer host is connected in a groove in the middle of the top surface of the host platform 1; the turnover screen frame 6 is connected with a display, and the display is connected with the computer host through a wire. According to the teaching instrument convenient for moving the computer, the computer host and the display inside the teaching instrument are all purchased in the market and can be purchased according to actual needs, the display is connected with the computer host through a wire, and the display plays a role in screen projection display of the content on the computer host; when the turnover screen frame is not used, the lower ends of the walking wheels 9 are in contact with the ground, the lower ends of the heightening brackets 7 are not in contact with the ground, the height between the host platform 1 and the moving platform 8 is smaller, and the turnover screen frame 6 is buckled on the host platform 1 and is of a contraction structure, so that the turnover screen frame is convenient to move through the walking wheels 9; when the invention needs to be used for teaching, the unfolding controller 2 is controlled to unfold the invention, the unfolding controller 2 is controlled to drive the unfolding parts 3 to work, the unfolding parts 3 are matched with the guide supporting parts 4 to drive the height of the host platform 1 to rise, the unfolding controller 2 controls the two unfolding parts 3 to drive the two height-adjusting brackets 7 to work, the lower ends of the two height-adjusting brackets 7 are in contact with the ground, so that the height of the mobile platform 8 is increased and the travelling wheels 9 are separated from the ground, at the moment, the whole body of the invention can not move through the travelling wheels 9, and the invention is in a fixed state, so that the movement in the teaching process is prevented; when the unfolding part 3 is matched with the guide support part 4 to drive the height of the host platform 1 to rise, the guide support part 4 is matched with the turnover transmission part 5, so that the turnover transmission part 5 can drive the turnover screen frame 6 to do turnover motion, the turnover screen frame 6 is turned over for 90 degrees and is perpendicular to the host platform 1, teaching and displaying are facilitated, otherwise, the unfolding controller 2 is reversely controlled, and the integral structure of the invention can be contracted.
Example two
As shown in fig. 1 to 13, two tool storage slots are respectively disposed at two ends of the host platform 1. The tool storage groove is used for storing teaching tools, and the practicability of the teaching tool storage groove is improved.
EXAMPLE III
As shown in fig. 1-13, the deployment controller 2 includes a control wheel 21, a bidirectional screw 22, a screw seat 23, a movable slider 24 and a linkage push plate 25; the control rotating wheel 21 is fixed at the rear end of the bidirectional screw 22; the middle end of the bidirectional screw 22 is rotationally matched on the screw seat 23; the screw rod seat 23 is fixed on the unfolding piece 3; two movable sliding blocks 24 are arranged, and the two movable sliding blocks 24 are symmetrically connected to the front end and the rear end of the bidirectional screw 22 through threads; the lower ends of the two movable sliding blocks 24 are respectively and rotatably connected with the outer ends of the two linkage push plates 25; the inner ends of the two linkage push plates 25 positioned at the front end are respectively and rotatably connected with the two sides of the front end of the unfolding piece 3; the inner ends of the two linkage push plates 25 positioned at the rear end are respectively and rotatably connected with the two sides of the rear end of the unfolding piece 3. When the unfolding controller 2 works, the rotary control rotating wheel 21 drives the bidirectional screw 22 to rotate, the bidirectional screw 22 can drive the two movable sliding blocks 24 to move oppositely or reversely when rotating, and the two movable sliding blocks 24 respectively drive the unfolding piece 3 to work through the two linkage push plates 25.
Example four
As shown in fig. 1 to 13, the unfolding component 3 comprises a chute frame 31, a double-sided rack 32, a guide block 33, an unfolding bracket 34 and an unfolding support 35; the chute frame 31 is fixed in the middle of the top surface of the mobile platform 8; the two double-sided racks 32 are symmetrically and slidably matched at the left end and the right end inside the chute frame 31, the bottom surfaces of the two double-sided racks 32 are slidably matched on the top surface of the mobile platform 8, the inner ends of the top surfaces of the two double-sided racks 32 are respectively fixedly connected with a guide block 33, and the two guide blocks 33 are respectively and slidably matched in the two guide grooves on the top surface of the chute frame 31; the number of the unfolding supports 34 is two, the upper ends of the two unfolding supports 34 are respectively and rotatably connected to the two ends of the unfolding support 35, the unfolding support 35 is fixed in the middle of the bottom end of the host platform 1, and the lower ends of the two unfolding supports 34 are respectively and rotatably connected to one guide block 33; the inner ends of the two linkage push plates 25 positioned at the front ends are respectively and rotatably connected to the inner sides of the front ends of the two double-sided racks 32; the inner ends of the two linkage push plates 25 positioned at the rear end are respectively and rotatably connected to the inner sides of the rear ends of the two double-sided racks 32. When the unfolding part 3 works, the two movable sliding blocks 24 respectively drive the two double-sided racks 32 to slide in the sliding chute frame 31 in the opposite directions or in the reverse directions through the two linkage push plates 25, when the unfolding part is unfolded, the two double-sided racks 32 are driven to slide in the sliding chute frame 31 in the opposite directions, the upper ends of the two double-sided racks 32 drive the lower ends of the two unfolding supports 34 to move in the opposite directions through the two guide blocks 33, so that the unfolding supports 35 are driven to ascend, and the host platform 1 is driven to ascend and unfold through the unfolding supports 35.
EXAMPLE five
As shown in fig. 1 to 13, the outer ends of the two double-sided racks 32 are respectively fixedly connected with a push-pull frame 36. The push-pull frame 36 is provided to facilitate pushing or pulling the entire body of the present invention for carrying movement.
EXAMPLE six
As shown in fig. 1 to 13, the guide support 4 includes a slide member 41, a fixed member 42, and a link member 43; the upper end of the sliding part 41 is fixedly connected with the front end of the host platform 1; the lower end of the sliding part 41 is in sliding fit with the contraction groove on the top surface of the fixed part 42; the lower end of the fixing part 42 is fixedly connected with the front end of the top surface of the movable platform 8; the lower end of the rear side of the sliding part 41 is fixedly connected with a linkage part 43; the linkage piece 43 is in sliding fit in a vertical groove on the rear side surface of the fixed piece 42, and the vertical groove is communicated with the contraction groove; the rear end of the linkage piece 43 is fixedly connected with one end of the turnover transmission piece 5. The guide supporting piece 4 is used for guiding and supporting and is matched with the overturning transmission piece 5 to drive the overturning screen frame 6 to overturn; when the host platform 1 is lifted, the lower end of the sliding part 41 slides in the linkage part 43, and the fixing part 42 slides in the vertical groove on the rear side surface of the fixing part 42 to play a role in guiding and limiting; and the fixing piece 42 can cooperate with the turning transmission piece 5 to drive the turning screen frame 6 to turn when moving.
EXAMPLE seven
As shown in fig. 1 to 13, the turning transmission member 5 comprises a linkage plate 51, a linkage base 52, a linkage shaft 53, a linkage gear 54, a linkage rack 55, an L-shaped frame 56, a driving bevel gear 57, a driven bevel gear 58 and a worm 59; the front end of the linkage plate 51 is fixedly connected with the linkage piece 43; the rear end of the linkage plate 51 is fixedly connected with a linkage seat 52; the rear end of the linkage shaft 53 is rotationally matched on the linkage seat 52 through a bearing with a seat; the front end of the linkage shaft 53 is fixedly connected with a linkage gear 54; the linkage gear 54 is in meshed transmission connection with a linkage rack 55; the linkage rack 55 is fixedly connected to the rear side surface of the fixing member 42 through an L-shaped frame 56; the driving bevel gear 57 is fixedly connected to the middle part of the linkage shaft 53; the driving bevel gear 57 is in meshing transmission connection with a driven bevel gear 58; the driven bevel gear 58 is fixedly connected to the lower end of a worm 59; the middle end of the worm 59 is rotatably connected to the front end of the host platform 1 through a bearing with a seat; the upper end of the worm 59 is engaged and connected with the turnover screen frame 6 in a transmission way. The linkage plate 51 in the turnover transmission part 5 is driven by the fixing part 42 to perform lifting motion, the linkage plate 51 drives the linkage shaft 53, the linkage gear 54 and the driving bevel gear 57 to perform lifting motion through the linkage seat 52, the linkage gear 54 rotates around the axis of the linkage gear 54 through the cooperation with the linkage rack 55 during lifting motion, the linkage gear 54 can drive the linkage shaft 53 to rotate when rotating, the linkage shaft 53 can drive the driving bevel gear 57 to rotate when rotating, the driving bevel gear 57 can drive the driven bevel gear 58 to rotate when rotating, the driven bevel gear 58 can drive the worm 59 to rotate when rotating, and the worm 59 can drive the turnover screen frame 6 to perform turnover motion when rotating.
Example eight
As shown in fig. 1-13, the roll screen frame 6 comprises a worm wheel 61, a roll shaft 62, a bearing seat 63 and a roll frame 64; the upper end of the worm 59 is in meshed transmission connection with a worm wheel 61; the worm wheel 61 is fixed in the middle of the turning shaft 62; the turning shaft 62 is fixed at the lower end of the turning frame 64; two ends of the turning shaft 62 are respectively matched on a bearing seat 63 through bearings in a rotating way, and the two bearing seats 63 are fixed at the front end of the top surface of the host platform 1; the display is mounted on a roll-over stand 64. The worm 59 can drive the worm wheel 61 to rotate when rotating, the worm wheel 61 can drive the turning shaft 62 to rotate when rotating, the turning shaft 62 can drive the turning frame 64 to rotate when rotating, and then the turning frame 64 drives the display to turn to a vertical state, so that the teaching information can be displayed conveniently.
Example nine
As shown in fig. 1 to 13, the roll-over stand 64 includes an outer frame body 64a, an inner frame body 64b, a horizontal shaft 64c, a movable connecting rod 64d, a rotating connecting rod 64e, a rectangular sliding block 64f, a positioning screw rod 64g, a bracket 64h, a sliding connecting rod 64i, an adjusting screw rod 64j, a rod seat plate 64k and a movable seat 64 l; the lower end of the outer frame body 64a is fixed on the turning shaft 62; a frame body groove is formed in the front end of the outer frame body 64 a; the upper end of the inner frame body 64b is fixed on the cross shaft 64c, and the two ends of the cross shaft 64c are respectively matched with the two sides of the upper end of the frame body groove in a rotating way; one end of the transverse shaft 64c is fixedly connected with one end of a rotating connecting rod 64e, the other end of the rotating connecting rod 64e is in rotating fit with one end of a movable connecting rod 64d, the other end of the movable connecting rod 64d is in rotating fit with a rectangular sliding block 64f, and the rectangular sliding block 64f is in sliding fit with a side sliding groove at the side end of the outer frame body 64 a; a plurality of upper and lower positioning threaded holes are formed in the side end of the outer frame body 64a and are communicated with the side sliding grooves; the positioning screw 64g is connected in a positioning threaded hole through threads, and the positioning screw 64g is inserted into the insertion hole in the rectangular sliding block 64 f; a clamping groove is formed in the middle of the upper end of the bracket 64 h; two sides of the upper end of the bracket 64h are respectively fixedly connected with a sliding connecting rod 64i, and the upper ends of the two sliding connecting rods 64i are respectively matched in the connecting rod sliding grooves at the two ends of the inner frame body 64b in a sliding manner; the upper end of one sliding connecting rod 64i is fixedly connected with a movable seat 64 l; the lower end of the inner frame body 64b is provided with a bar seat plate 64 k; the middle part of the adjusting screw rod 64j is matched on the movable seat 64l through threads; the lower end of the adjusting screw 64j is rotatably connected to the rod seat plate 64k through a bearing with a seat; the upper end of the display is installed in an embedded groove in the front side of the inner frame body 64b, and the lower end of the display is inserted into a clamping groove in the upper end of the frame. When the roll-over stand 64 is used, one end of the movable connecting rod 64d can be driven to move through the sliding rectangular sliding block 64f, the included angle between the other end of the movable connecting rod 64d and one end of the rotating connecting rod 64e changes, the other end of the rotating connecting rod 64e drives the transverse shaft 64c to rotate around the axis of the transverse shaft, the transverse shaft 64c drives the inner frame body 64b, the sliding connecting rod 64i and the bracket 64h to perform roll-over movement by taking the axis of the transverse shaft 64c as the center, the inclination angles of the inner frame body 64b and the bracket 64h are adjusted, and then the inclination angles of the displays arranged on the inner frame body 64b and the bracket 64h are adjusted, so that the optimal viewing angle can be conveniently adjusted; the distance between the inner frame body 64b and the bracket 64h can be adjusted by rotating the adjusting screw 64j, so that the display can be conveniently mounted or dismounted, when the adjusting screw 64j is rotated, the contact position of the adjusting screw 64j and the movable seat 64l is changed, the movable seat 64l drives the sliding connecting rod 64i to slide in the connecting rod sliding groove, and the distance between the bracket 64h and the inner frame body 64b is adjusted by driving the two sliding connecting rods 64 i; the middle of the upper end of the bracket 64h is provided with a clamping groove, so that the lower end of the display can be clamped in the clamping groove conveniently and the upper end of the display can be clamped and blocked fixedly through the upper end of the inner frame body 64 b.
Example ten
As shown in fig. 1 to 13, the height-adjusting bracket 7 includes a screw 71, a rotary pipe 72, a rotary gear 73, a top plate 74 and a support bottom plate 75; the number of the screw rods 71 is two, the upper ends of the two screw rods 71 are respectively fixed at two ends of the top plate 74, and the lower ends of the two screw rods 71 are respectively fixed at two ends of the supporting bottom plate 75; the middle parts of the two lead screws 71 are respectively matched on the inner side of the rotating pipe 72 through threads; the upper ends of the two rotating pipes 72 are respectively fixedly connected with a rotating gear 73; the two rotating gears 73 are respectively meshed and in transmission connection with two ends of one double-sided rack 32; the two rotating pipes 72 are respectively connected to the moving platform 8 through bearings with seats in a rotating manner; the two supporting bottom plates 75 of the two height-adjustable supports 7 are arranged in parallel. When the two double-sided racks 32 move, the four rotary pipes 72 of the two height-adjusting supports 7 can be driven to rotate, the four rotary pipes 72 can be driven to rotate, the four lead screws 71 can be driven to rotate when the four lead screws 71 rotate, the contact positions of the four lead screws 71 and the four rotary pipes 72 can be changed, the four lead screws 71 are used for driving the distance between the top plate 74 and the supporting bottom plate 75 and the moving platform 8 to be adjusted, when the whole body of the invention is unfolded, the distance between the top plate 74 and the moving platform 8 is reduced, the distance between the supporting bottom plate 75 and the moving platform 8 is increased, and the supporting bottom plate 75 is contacted with the ground to support and fix the invention.
The working principle of the invention is as follows:
according to the teaching instrument convenient for moving the computer, the computer host and the display inside the teaching instrument are all purchased in the market and can be purchased according to actual needs, the display is connected with the computer host through a wire, and the display plays a role in screen projection display of the content on the computer host; when the turnover screen frame is not used, the lower ends of the walking wheels 9 are in contact with the ground, the lower ends of the heightening brackets 7 are not in contact with the ground, the height between the host platform 1 and the moving platform 8 is smaller, and the turnover screen frame 6 is buckled on the host platform 1 and is of a contraction structure, so that the turnover screen frame is convenient to move through the walking wheels 9; when the invention needs to be used for teaching, the unfolding controller 2 is controlled to unfold the invention, the unfolding controller 2 is controlled to drive the unfolding parts 3 to work, the unfolding parts 3 are matched with the guide supporting parts 4 to drive the height of the host platform 1 to rise, the unfolding controller 2 controls the two unfolding parts 3 to drive the two height-adjusting brackets 7 to work, the lower ends of the two height-adjusting brackets 7 are in contact with the ground, so that the height of the mobile platform 8 is increased and the travelling wheels 9 are separated from the ground, at the moment, the whole body of the invention can not move through the travelling wheels 9, and the invention is in a fixed state, so that the movement in the teaching process is prevented; when the unfolding part 3 is matched with the guide support part 4 to drive the height of the host platform 1 to rise, the guide support part 4 is matched with the turnover transmission part 5, so that the turnover transmission part 5 can drive the turnover screen frame 6 to do turnover motion, the turnover screen frame 6 is turned over for 90 degrees and is perpendicular to the host platform 1, teaching and displaying are facilitated, otherwise, the unfolding controller 2 is reversely controlled, and the integral structure of the invention can be contracted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. A teaching instrument convenient for moving a computer comprises a host platform (1), an unfolding controller (2), an unfolding piece (3), a guide support piece (4), a turnover transmission piece (5), a turnover screen frame (6), a height-adjusting support (7), a moving platform (8) and a traveling wheel (9), and is characterized in that the front end of the host platform (1) is connected with the moving platform (8) through the guide support piece (4); the middle end of the host platform (1) is connected with the mobile platform (8) through the unfolding piece (3); the unfolding controller (2) is connected to the middle of the unfolding piece (3); the unfolding controller (2) is in transmission connection with the unfolding piece (3); one end of the overturning transmission member (5) is connected to the guide supporting member (4), and the other end of the overturning transmission member (5) is connected to the host platform (1); the overturning transmission part (5) is in transmission connection with an overturning screen frame (6); the turnover screen frame (6) is connected to the host platform (1); the two heightening brackets (7) are symmetrically connected to two ends of the movable platform (8); the unfolding piece (3) is in transmission connection with the two height-adjusting brackets (7); four corners of the bottom surface of the movable platform (8) are respectively provided with a traveling wheel (9); a computer host is connected in a groove in the middle of the top surface of the host platform (1); the turnover screen frame (6) is connected with a display, and the display is connected with the computer host through a wire; the unfolding controller (2) comprises a control rotating wheel (21), a bidirectional screw (22), a screw seat (23), a movable sliding block (24) and a linkage push plate (25); the control rotating wheel (21) is fixed at the rear end of the bidirectional screw (22); the middle end of the bidirectional screw (22) is rotationally matched on the screw seat (23); the screw rod seat (23) is fixed on the unfolding piece (3); the two moving sliding blocks (24) are symmetrically connected to the front end and the rear end of the bidirectional screw rod (22) through threads; the lower ends of the two movable sliding blocks (24) are respectively and rotatably connected with the outer ends of the two linkage push plates (25); the inner ends of two linkage push plates (25) positioned at the front end are respectively and rotatably connected with the two sides of the front end of the unfolding piece (3); the inner ends of two linkage push plates (25) positioned at the rear end are respectively and rotatably connected with the two sides of the rear end of the unfolding piece (3); the unfolding piece (3) comprises a sliding groove frame (31), a double-sided rack (32), a guide block (33), an unfolding bracket (34) and an unfolding support (35); the sliding groove frame (31) is fixed in the middle of the top surface of the movable platform (8); the two double-sided racks (32) are symmetrically matched with the left end and the right end of the inside of the sliding chute frame (31) in a sliding manner, the bottom surfaces of the two double-sided racks (32) are matched with the top surface of the moving platform (8) in a sliding manner, the inner ends of the top surfaces of the two double-sided racks (32) are respectively fixedly connected with a guide block (33), and the two guide blocks (33) are respectively matched with the two guide grooves in the top surface of the sliding chute frame (31) in a sliding manner; the two unfolding supports (34) are arranged, the upper ends of the two unfolding supports (34) are respectively and rotatably connected to the two ends of the unfolding support (35), the unfolding support (35) is fixed in the middle of the bottom end of the host platform (1), and the lower ends of the two unfolding supports (34) are respectively and rotatably connected to one guide block (33); the inner ends of the two linkage push plates (25) positioned at the front ends are respectively and rotatably connected to the inner sides of the front ends of the two double-sided racks (32); the inner ends of the two linkage push plates (25) positioned at the rear end are respectively and rotatably connected with the inner sides of the rear ends of the two double-sided racks (32); the height-adjusting support (7) comprises a screw rod (71), a rotating pipe (72), a rotating gear (73), a top plate (74) and a supporting bottom plate (75); the number of the lead screws (71) is two, the upper ends of the two lead screws (71) are respectively fixed at two ends of the top plate (74), and the lower ends of the two lead screws (71) are respectively fixed at two ends of the supporting bottom plate (75); the middle parts of the two lead screws (71) are respectively matched on the inner side of the rotating pipe (72) through threads; the upper ends of the two rotating pipes (72) are respectively fixedly connected with a rotating gear (73); the two rotating gears (73) are respectively meshed with two ends of a double-sided rack (32) in a transmission connection; the two rotating pipes (72) are respectively and rotatably connected to the moving platform (8) through bearings with seats; two supporting bottom plates (75) of the two height-adjusting brackets (7) are arranged in parallel; the overturning transmission part (5) comprises a linkage plate (51), a linkage seat (52), a linkage shaft (53), a linkage gear (54), a linkage rack (55), an L-shaped frame (56), a driving bevel gear (57), a driven bevel gear (58) and a worm (59); the front end of the linkage plate (51) is fixedly connected with a linkage piece (43); the rear end of the linkage plate (51) is fixedly connected with a linkage seat (52); the rear end of the linkage shaft (53) is rotationally matched on the linkage seat (52) through a bearing with a seat; the front end of the linkage shaft (53) is fixedly connected with a linkage gear (54); the linkage gear (54) is in meshed transmission connection with a linkage rack (55); the linkage rack (55) is fixedly connected to the rear side surface of the fixing piece (42) through an L-shaped frame (56); the driving bevel gear (57) is fixedly connected to the middle part of the linkage shaft (53); the driving bevel gear (57) is in meshed transmission connection with the driven bevel gear (58); the driven bevel gear (58) is fixedly connected to the lower end of the worm (59); the middle end of the worm (59) is rotatably connected to the front end of the host platform (1) through a bearing with a seat; the upper end of the worm (59) is in meshed transmission connection with the turnover screen frame (6); the turnover screen frame (6) comprises a worm wheel (61), a turnover shaft (62), a bearing seat (63) and a turnover frame (64); the upper end of the worm (59) is in meshed transmission connection with a worm wheel (61); the worm wheel (61) is fixed in the middle of the turning shaft (62); the turning shaft (62) is fixed at the lower end of the turning frame (64); two ends of the turning shaft (62) are respectively matched on a bearing seat (63) in a rotating way through bearings, and the two bearing seats (63) are fixed at the front end of the top surface of the host platform (1); the display is mounted on a roll-over stand (64); the roll-over stand (64) comprises an outer stand body (64a), an inner stand body (64b), a transverse shaft (64c), a movable connecting rod (64d), a rotating connecting rod (64e), a rectangular sliding block (64f), a positioning screw rod (64g), a bracket (64h), a sliding connecting rod (64i), an adjusting screw rod (64j), a rod seat plate (64k) and a movable seat (64 l); the lower end of the outer frame body (64a) is fixed on the turning shaft (62); a frame body groove is formed in the front end of the outer frame body (64 a); the upper end of the inner frame body (64b) is fixed on the transverse shaft (64c), and the two ends of the transverse shaft (64c) are respectively and rotatably matched with the two sides of the upper end of the frame body groove; one end of the transverse shaft (64c) is fixedly connected with one end of a rotating connecting rod (64e), the other end of the rotating connecting rod (64e) is in rotating fit with one end of a movable connecting rod (64d), the other end of the movable connecting rod (64d) is in rotating fit with a rectangular sliding block (64f), and the rectangular sliding block (64f) is in sliding fit with a side sliding groove at the side end of the outer frame body (64 a); a plurality of upper and lower positioning threaded holes are formed in the side end of the outer frame body (64a), and the positioning threaded holes are communicated with the side sliding grooves; the positioning screw rod (64g) is connected in a positioning threaded hole through threads, and the positioning screw rod (64g) is inserted into the insertion hole in the rectangular sliding block (64 f); a clamping groove is formed in the middle of the upper end of the bracket (64 h); two sides of the upper end of the bracket (64h) are respectively fixedly connected with a sliding connecting rod (64i), and the upper ends of the two sliding connecting rods (64i) are respectively matched in the connecting rod sliding grooves at the two ends of the inner frame body (64b) in a sliding manner; the upper end of one sliding connecting rod (64i) is fixedly connected with a movable seat (64 l); the lower end of the inner frame body (64b) is provided with a rod seat plate (64 k); the middle part of the adjusting screw rod (64j) is matched on the movable seat (64l) through threads; the lower end of the adjusting screw rod (64j) is rotatably connected to the rod seat plate (64k) through a bearing with a seat; the upper end of the display is arranged in an embedded groove at the front side of the inner frame body (64b), and the lower end of the display is inserted into a clamping groove at the upper end of the frame.
2. A computer teaching instrument convenient to move according to claim 1, wherein both ends of the host platform (1) are respectively provided with a tool storage slot.
3. A computer teaching instrument facilitating movement according to claim 1, wherein the outer ends of the two double-sided racks (32) are fixedly connected with a push-pull rack (36), respectively.
4. A computer educational apparatus for facilitating movement according to claim 1, wherein the guide support (4) comprises a sliding member (41), a fixed member (42) and a linkage member (43); the upper end of the sliding piece (41) is fixedly connected with the front end of the host platform (1); the lower end of the sliding part (41) is in sliding fit with the contraction groove on the top surface of the fixed part (42); the lower end of the fixing piece (42) is fixedly connected with the front end of the top surface of the movable platform (8); the lower end of the rear side of the sliding piece (41) is fixedly connected with a linkage piece (43); the linkage piece (43) is in sliding fit with a vertical groove on the rear side surface of the fixing piece (42), and the vertical groove is communicated with the contraction groove; the rear end of the linkage piece (43) is fixedly connected with one end of the turnover transmission piece (5).
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| CN201910894600.XA CN110738876B (en) | 2019-09-20 | 2019-09-20 | Computer teaching instrument convenient to move |
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| CN111928070A (en) * | 2020-07-29 | 2020-11-13 | 钟心灵 | Flat electronic product placing device |
| CN112178418B (en) * | 2020-09-09 | 2022-01-18 | 衡水学院 | Angle-adjustable display screen mounting seat for computer science teaching |
| CN113679176B (en) * | 2021-08-31 | 2022-07-01 | 孔海珍 | College english education multimedia teaching device |
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| CN109243218A (en) * | 2018-10-08 | 2019-01-18 | 焦作大学 | A kind of computer network teaching implementing device |
| CN208938548U (en) * | 2018-10-17 | 2019-06-04 | 天津启力科技发展有限公司 | A kind of display frame convenient for adjusting |
| CN109664649A (en) * | 2019-02-22 | 2019-04-23 | 哈尔滨学院 | A kind of environment-friendly type English calligraphy practicing device |
| CN209343660U (en) * | 2019-02-23 | 2019-09-03 | 北京国实电源设备有限公司 | Gas station's label |
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| CN110738876A (en) | 2020-01-31 |
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