CN111276024B - Novel chinese language and literature contrast explanation board - Google Patents
Novel chinese language and literature contrast explanation board Download PDFInfo
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- CN111276024B CN111276024B CN202010167634.1A CN202010167634A CN111276024B CN 111276024 B CN111276024 B CN 111276024B CN 202010167634 A CN202010167634 A CN 202010167634A CN 111276024 B CN111276024 B CN 111276024B
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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
- G09B19/00—Teaching not covered by other main groups of this subclass
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Abstract
The invention belongs to the technical field of Chinese language and literature explanation plates, and particularly relates to a novel Chinese language and literature comparison explanation plate, aiming at the problem of high cost of a lifting mechanism of the Chinese language and literature comparison explanation plate, the novel Chinese language and literature comparison plate comprises a bottom plate, wherein a first connecting roller is arranged at the top of the bottom plate, a second connecting roller is connected to the top of the first connecting roller in a penetrating manner, a display mechanism is fixed above the second connecting roller, a through hole is formed in one side of the first connecting roller, a lifting mechanism is arranged in the through hole, a rotating shaft is rotatably connected to one side of the through hole through the lifting mechanism, gears are welded on the peripheral side of the rotating shaft, a handle is welded on the other side of the rotating shaft, a tooth socket is formed in the middle position of one side of the second connecting roller, and the tooth socket is meshed with the gears. In the invention, the gear fixedly connected with the handle is arranged, the handle is rotated, so that the effect of manually adjusting the height is achieved, and a lifting mechanism consisting of an electrical mechanical structure is replaced, so that the overall manufacturing cost of the explanation board is reduced.
Description
Technical Field
The invention relates to the technical field of Chinese language and literature explanation boards, in particular to a novel Chinese language and literature comparison explanation board.
Background
The Chinese language and literature professional culture has a basic theory, basic knowledge and basic skills of Chinese language and literature, and can be used for Chinese language and literature specialists in literary comments, Chinese language and literature teaching and research works, and practical works in culture and propaganda aspects in news and literature publishing departments, scientific research institutions and organs and enterprises and public institutions.
Present contrast explanation board is mostly to place the show board on elevating system, thereby the height of highly adjusting the show board through adjusting elevating system, thereby make things convenient for the teacher to adjust the use, let the student study with better visual angle, current height-adjusting's device generally uses electric property mechanical mechanism, like hydraulic stem, electric putter etc. thereby it is with high costs to cause the preparation of explanation board, and to this problem now, provides an explanation board that can manual height-adjusting, thereby reaches the effect that reduces whole cost.
Disclosure of Invention
Based on the technical problem that the cost of a lifting mechanism of the Chinese language and literature contrast explanation board is high, the invention provides a novel Chinese language and literature contrast explanation board.
The invention provides a novel Chinese language and literature contrast explanation plate which comprises a bottom plate, wherein a first connecting roller is arranged at the top of the bottom plate, a second connecting roller is connected to the top of the first connecting roller in a penetrating mode, a display mechanism is fixed above the second connecting roller, a through hole is formed in one side of the first connecting roller, a lifting mechanism is arranged in the through hole, a rotating shaft is rotatably connected to one side of the through hole through the lifting mechanism, gears are welded on the periphery of the rotating shaft, a handle is welded on the other side of the rotating shaft, a tooth socket is formed in the middle of one side of the second connecting roller, and the tooth socket is connected with the gears in a meshed mode.
Preferably, the bottom plate comprises a cylindrical plate, a plurality of support legs are arranged on the periphery of the cylindrical plate, a circular groove is formed in the middle of the top of the bottom plate, and the bottom plate is connected with the first connecting roller in a nested mode through the circular groove.
Preferably, a plurality of through holes are formed in the peripheral side wall of the circular groove in the bottom plate, a connecting spring is fixed in each through hole and connected with a marble, the marble is arranged in a spherical shape, and grooves with the same structure are formed in the contact positions of the first connecting roller and the marble.
Preferably, the notch has been seted up to the through-hole below of first connecting roller lateral wall, and the notch bottom is fixed with the fixed plate, and fixed plate top symmetry is fixed with two springs, and two spring tops are connected with same fixed block, and the fixed block is provided with certain clearance with the notch both sides, and the welding of fixed block top has first pinion rack, and first pinion rack keeps away from tooth's socket one side and sets to the arc structure.
Preferably, the fixed block is provided with the second pinion rack on one side of keeping away from the tooth's socket, and the notch of first connecting roller is provided with same sawtooth structure on one side of being close to the second pinion rack.
Preferably, the front end of the second toothed plate is provided with a sliding groove, a hinge is connected in the sliding groove in a sliding mode, the top of the hinge is welded to the bottom of the fixed block, a push rod is fixed to one side of the hinge, and the other side of the push rod extends out of the first connecting roller.
Preferably, square grooves are formed in the middle of the top of the second connecting roller of the display mechanism, connecting seats are inserted in the square grooves, and display plates are welded to the tops of the connecting seats.
Preferably, two supports are symmetrically fixed to the bottom of the display board, the two supports are respectively arranged on two sides of the second connecting roller, and the two supports and the second connecting roller are fixed in a penetrating mode through bolts.
Preferably, the top and the bottom of the front end of the display board are symmetrically provided with fixing clamping plates in a penetrating manner, the cross sections of the fixing clamping plates are arranged in an L shape, and the fixing clamping plates are connected with the display board in a sliding manner.
Preferably, a moving plate penetrates through one side of the display plate, the moving plate is connected with the display plate in a sliding mode, an opening is formed in one side of the moving plate, and the opening is in a structure which is gradually narrowed from outside to inside.
Compared with the prior art, the invention provides a novel Chinese language and literature contrast explanation board, which has the following beneficial effects:
1. this novel chinese language and literature contrast explanation board, through setting up spring coupling's spherical marble, under the spring natural state, the marble just stretches out the outer partly of through-hole, with the groove connection on the first connecting roller, can fix first connecting roller, prevent that it from rotating, when finely tuning the angle, rotate first connecting roller, pressure is applyed to the marble to first connecting roller, spring atress compression, inside the drive marble withdrawal through-hole, when turning to set angle, the marble blocks fixedly with the groove contact.
2. This novel chinese language literature contrast explanation board, first pinion rack through setting up spring coupling, first pinion rack is kept away from tooth's socket one side and is set the arc structure, can be when heightening the explanation board, the handle rotates downwards, drive gear revolve, the arc side smooth contact of gear and first pinion rack, first pinion rack receives decurrent pressure, make the spring shrink, can not hinder the operation of heightening, gear engagement transmission drives tooth's socket rebound, thereby drive first connection roller and rise, after the heightening finishes, because the decurrent gravity action of second connection roller, drive the gear gyration, the gear contacts with the sawtooth side of first pinion rack, gear motion is obstructed, thereby fix first connection roller.
3. This novel chinese language literature contrast explanation board, through setting up the second pinion rack, the notch of first connection roller is close to second pinion rack one side and is provided with the same sawtooth structure, after the increasement finishes, because the decurrent gravity action of second connection roller, drive the gear gyration, the gear contacts with the sawtooth side of first pinion rack, first pinion rack drives the fixed block and inclines to the right side, second pinion rack and offside sawtooth structure contact, produce very big frictional resistance, thereby further fix first connection roller, prevent the gliding.
4. This novel chinese language and literature contrast explanation board, through the solid fixed splint that sets up two L shapes, solid fixed splint and show board sliding connection can place the teaching material between two solid fixed splint, then press solid fixed splint the inside, can follow the teaching material of top and bottom fixed different thickness.
5. This novel chinese language and literature contrast explanation board, through setting up the movable plate, the movable plate adopts glass material, can transversely pull out the movable plate, fills in the paper inside from the opening part, can conveniently demonstrate the teaching material of paper class, and the functional of reinforcing device, the opening set to from the gradually narrow structure of extroversion-in, can make paper class teaching material take out more convenient.
Drawings
Fig. 1 is a schematic overall structure diagram of a novel chinese language and literature contrast explanation board according to embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional structural view of a first connecting roller of a novel chinese language and literature contrast explanation board according to embodiment 1 of the present invention;
fig. 3 is an enlarged schematic view of a structure a of a novel chinese language and literature contrast explanation board according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of a bottom plate of a novel chinese language and literature contrast explanation plate according to embodiment 1 of the present invention;
fig. 5 is a schematic overall structure diagram of a novel chinese language and literature contrast explanation board according to embodiment 2 of the present invention;
fig. 6 is a schematic top sectional view of a moving plate of a novel chinese language and literature comparison explanation plate according to embodiment 2 of the present invention.
In the figure: the automatic ball-pushing device comprises a base plate 1, a first connecting roller 2, a second connecting roller 3, a tooth groove 4, a rotating shaft 5, a gear 6, a handle 7, a first toothed plate 8, a fixing block 9, a second toothed plate 10, a spring 11, a fixing plate 12, a sliding chute 13, a push rod 14, a hinge 15, a marble 16, a groove 17, a display plate 18, a fixing clamping plate 19, a moving plate 20, an opening 21, a connecting seat 22 and a support 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.
Example 1
Referring to fig. 1-4, a novel chinese language and literature contrast explanation board, comprising a base plate 1, 1 top of bottom plate is provided with first connecting roller 2, 2 top through connections of first connecting roller have the second connecting roller 3, 3 tops of second connecting roller are fixed with show mechanism, the through-hole has been seted up to first connecting roller 2 one side, be provided with elevating system in the through-hole, elevating system rotates in through-hole one side and is connected with pivot 5, 5 week side welding of pivot has gear 6, 5 opposite side welding of pivot have handle 7, tooth's socket 4 has been seted up to 3 one side intermediate positions of second connecting roller, tooth's socket 4 is connected with the meshing of gear 6, can the running gear 6 make height-adjustable.
In the invention, a bottom plate 1 comprises a cylindrical plate, a plurality of support legs are arranged on the periphery of the cylindrical plate, a circular groove is arranged in the middle of the top of the bottom plate 1, the bottom plate 1 is connected with a first connecting roller 2 in a nested manner through the circular groove, a plurality of through holes are arranged on the periphery of the circular groove in the bottom plate 1, connecting springs are fixed in the through holes, the connecting springs are connected with marbles 16, the marbles 16 are arranged in a spherical shape, grooves 17 with the same structure are arranged at the contact positions of the first connecting roller 2 and the marbles 16, a notch is arranged below the through holes on the side wall of the first connecting roller 2, a fixing plate 12 is fixed at the bottom of the notch, two springs 11 are symmetrically fixed at the top of the fixing plate 12, the top of the two springs 11 is connected with a same fixing block 9, a certain gap is arranged between the fixing block 9 and the two sides of the notch, a first toothed plate 8 is welded at the top of the fixing block 9, one side, which is far away from a tooth socket 4, a second toothed plate 10 is arranged at the side of the fixing block 9, which is far away from the socket 4, the same sawtooth structures are arranged on the side, close to the second toothed plate 10, of the notch of the first connecting roller 2, so that the resistance in mutual contact can be increased;
When the teaching material height-adjusting teaching board is used, the teaching material with different thicknesses can be fixed from the top and the bottom by placing the teaching material between the two fixed clamping plates 19 and then pressing the fixed clamping plates 19 into the teaching material, the handle 7 can be rotated downwards to drive the gear 6 to rotate, the gear 6 is in smooth contact with the arc-shaped side of the first toothed plate 8, the first toothed plate 8 is pressed downwards, the spring is contracted 11, the height-adjusting operation can not be obstructed, the gear 6 is meshed with the gear to drive the toothed grooves 4 to move upwards so as to drive the first connecting roller 2 to ascend, after the height adjustment is finished, the gear 6 is driven to rotate under the action of the downward gravity of the second connecting roller 3, the gear 6 is in contact with the toothed side of the first toothed plate 8, the gear 6 is blocked to fix the first connecting roller 2, when the height is reduced, the push rod 14 is pushed, the hinge 15 is forced to drive the fixed block 9 downwards, and the first toothed plate 8 is separated from the gear 6, can the counter rotation handle 7 to the height-adjusting downwards when finely tuning the angle, rotate first connecting roller 2, first connecting roller 2 exerts pressure to marble 16, and the compression of connecting spring atress drives inside marble 16 withdrawal through-hole, when turning to set angle after, marble 16 blocks fixedly with recess 17 contact under the spring action.
Example 2
Referring to fig. 5-6, a novel chinese language and literature contrast explanation board, a moving plate 20 is provided on one side of a display board 18 in a penetrating manner, the moving plate 20 is connected with the display board 18 in a sliding manner, an opening 21 is provided on one side of the moving plate 20, and the opening 21 is set to be a structure gradually narrowed from outside to inside.
During the use, can transversely pull out movable plate 20, follow opening 21 department with the paper stopper inside, can conveniently show the teaching material of paper class, the functional of reinforcing device, opening 21 sets to the gradually narrow structure from outside to inside, can make the paper class teaching material take out more convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A novel Chinese language and literature contrast explanation plate comprises a bottom plate (1) and is characterized in that a first connecting roller (2) is arranged at the top of the bottom plate (1), a second connecting roller (3) is connected to the top of the first connecting roller (2) in a penetrating mode, a display mechanism is fixed above the second connecting roller (3), a through hole is formed in one side of the first connecting roller (2), a lifting mechanism is arranged in the through hole, the lifting mechanism is rotatably connected with a rotating shaft (5) on one side of the through hole, gears (6) are welded on the periphery of the rotating shaft (5), a handle (7) is welded on the other side of the rotating shaft (5), a tooth socket (4) is formed in the middle of one side of the second connecting roller (3), and the tooth socket (4) is connected with the gears (6) in a meshing mode; the bottom plate (1) comprises a cylindrical plate, a plurality of support legs are arranged on the periphery of the cylindrical plate, a circular groove is formed in the middle of the top of the bottom plate (1), and the bottom plate (1) is connected with the first connecting roller (2) in a nested mode through the circular groove; a plurality of through holes are formed in the peripheral side wall of a circular groove in the bottom plate (1), a connecting spring is fixed in each through hole and connected with a marble (16), each marble (16) is arranged in a spherical shape, and grooves (17) with the same structure are formed in the contact positions of the first connecting roller (2) and the marbles (16); the notch has been seted up to the through-hole below of first connecting roller (2) lateral wall, and the notch bottom is fixed with fixed plate (12), and fixed plate (12) top symmetry is fixed with two springs (11), and two springs (11) tops are connected with same fixed block (9), and fixed block (9) are provided with certain clearance with the notch both sides, and fixed block (9) top welding has first pinion rack (8), and tooth's socket (4) one side is kept away from in first pinion rack (8) sets to the arc structure.
2. The novel Chinese language and literature contrast explanation plate is characterized in that a second toothed plate (10) is arranged on one side, away from the toothed groove (4), of the fixing block (9), and the same sawtooth structures are arranged on one side, close to the second toothed plate (10), of the notch of the first connecting roller (2).
3. The novel Chinese language and literature contrast explanation plate as claimed in claim 2, wherein a sliding groove (13) is formed in the front end of the second toothed plate (10), a hinge (15) is connected to the sliding groove (13) in a sliding mode, the top of the hinge (15) is welded to the bottom of the fixed block (9), a push rod (14) is fixed to one side of the hinge (15), and the other side of the push rod (14) extends out of the first connecting roller (2).
4. The novel Chinese language and literature contrast explanation plate as claimed in claim 3, wherein the display mechanism is provided with a square groove at the middle position of the top of the second connecting roller (3), the square groove is internally inserted with a connecting seat (22), and the top of the connecting seat (22) is welded with a display plate (18).
5. The novel Chinese language and literature contrast explanation plate as claimed in claim 4, wherein the two supports (23) are symmetrically fixed at the bottom of the demonstration plate (18), the two supports (23) are respectively arranged at two sides of the second connecting roller (3), and the two supports (23) and the second connecting roller (3) are fixed through bolts in a penetrating manner.
6. The novel Chinese language and literature contrast explanation plate as claimed in claim 5, wherein the top and the bottom of the front end of the display plate (18) are symmetrically provided with fixing splints (19) in a penetrating manner, the cross section of each fixing splint (19) is L-shaped, and the fixing splints (19) are slidably connected with the display plate (18).
7. The novel Chinese language and literature contrast explanation plate as claimed in claim 6, wherein a moving plate (20) is disposed on one side of the display plate (18) in a penetrating manner, the moving plate (20) is slidably connected with the display plate (18), an opening (21) is formed on one side of the moving plate (20), and the opening (21) is configured to be gradually narrowed from outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167634.1A CN111276024B (en) | 2020-03-11 | 2020-03-11 | Novel chinese language and literature contrast explanation board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167634.1A CN111276024B (en) | 2020-03-11 | 2020-03-11 | Novel chinese language and literature contrast explanation board |
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| Publication Number | Publication Date |
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| CN111276024A CN111276024A (en) | 2020-06-12 |
| CN111276024B true CN111276024B (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010167634.1A Active CN111276024B (en) | 2020-03-11 | 2020-03-11 | Novel chinese language and literature contrast explanation board |
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| CN209525797U (en) * | 2019-01-15 | 2019-10-22 | 朱启国 | A kind of novel Chinese literature control explanation plate |
| KR20200009232A (en) * | 2018-07-18 | 2020-01-30 | 최봉규 | Height-adjustable and easy-to-move kiosk |
| CN210076917U (en) * | 2019-04-29 | 2020-02-18 | 安徽财经大学 | Fine arts are with drawing table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20000009232U (en) * | 1998-10-31 | 2000-05-25 | 전주범 | Door opening of the refrigerator |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101492419B1 (en) * | 2014-08-25 | 2015-02-13 | 주식회사 동운 | System for processing reflection image enhanced degree of precision by correcting error of reflection image |
| CN206773988U (en) * | 2017-04-27 | 2017-12-19 | 黑龙江民族职业学院 | A kind of Chinese literature aided education exhibiting device |
| CN206822312U (en) * | 2017-07-06 | 2018-01-02 | 朱研 | Computer same table |
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| CN210076917U (en) * | 2019-04-29 | 2020-02-18 | 安徽财经大学 | Fine arts are with drawing table |
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| CN111276024A (en) | 2020-06-12 |
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