CN111248626A - Ideological and political classroom education interaction device - Google Patents
Ideological and political classroom education interaction device Download PDFInfo
- Publication number
- CN111248626A CN111248626A CN202010180954.0A CN202010180954A CN111248626A CN 111248626 A CN111248626 A CN 111248626A CN 202010180954 A CN202010180954 A CN 202010180954A CN 111248626 A CN111248626 A CN 111248626A
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- China
- Prior art keywords
- top frame
- rod
- ideological
- far away
- classroom education
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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
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
- A47B19/10—Reading-desks; Lecterns; Pulpits, i.e. free-standing characterised by association with auxiliary devices, e.g. paper clamps, line indicators
-
- 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
Abstract
The invention provides an ideological and political classroom education interaction device which comprises a base, a supporting frame and a top frame, wherein the supporting frame is installed on the upper end surface of the base, the top frame is fixed at the upper end of the supporting frame, a screw rod is arranged on one side in the top frame, one end, far away from a bearing, of the screw rod penetrates through the top frame and extends to the outer side of the top frame and is fixedly connected with the output end of a small motor, a ball nut pair is sleeved on the screw rod, a cross rod is installed on the outer surface of the ball nut pair, a guide sleeve is fixed at one end, far away from the ball nut pair, of the cross rod, a guide rod is inserted in the guide sleeve, two metal shaping hoses are symmetrically installed on the outer surface of the cross rod, and one end: the device has the function of amplifying the characters on the manuscript or the book, avoids the speaker from looking over the manuscript or taking up the manuscript by lowering the head, and also realizes the function of flexibly supporting the arm of the speaker.
Description
Technical Field
The invention discloses an ideological and political classroom education interaction device, and belongs to the technical field of teaching aids.
Background
Ideological and political lessons are social or social groups and apply purposeful, planned and organized influences on members thereof by using certain political views and moral norms, so that the members form social practice activities meeting the ideological and moral requirements of certain society. In ideological and political course teaching, teachers and students speak in front of a speaking platform to achieve the purpose of interaction, at present, a speaker generally carries manuscripts or books in the speaking process, the speaking platform lacks the function of amplifying fonts, the speaker looks over or takes the manuscripts or the books by lowering the head in the speaking process, edges and corners on the speaking platform are hard, and the speaker easily feels uncomfortable when arms are put on the speaking platform for a long time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an ideological and political classroom education interaction device to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: an ideological and political classroom education interaction device comprises a base, a supporting frame and a top frame, wherein the supporting frame is installed on the upper end face of the base, the top frame is fixed to the upper end of the supporting frame, a lead screw is arranged on one side in the top frame, a bearing is sleeved on the outer surface of one end of the lead screw, a supporting rod is fixed to the outer surface of the bearing, one end, far away from the bearing, of the supporting rod is fixedly connected with the top frame, one end, far away from the bearing, of the lead screw penetrates through the top frame and extends to the outer side of the top frame and is fixedly connected with the output end of a small motor, a ball nut pair is sleeved on the lead screw, a cross rod is installed on the outer surface of the ball nut pair, a guide sleeve is fixed to one end, far away from the ball nut pair, of the cross rod, a guide rod is inserted in, two metal forming hoses are symmetrically installed on the outer surface of the cross rod, and one end, far away from the cross rod, of each metal forming hose is fixedly connected with the strip-shaped acrylic magnifier.
Further, one side that the small-size motor was kept away from to the top frame is equipped with the bar shaped plate, bar shaped plate upper end cover is equipped with the soft rubber cover, the one side lower part edge of bar shaped plate face to the top frame is fixed with the lower support bar, the lower support bar upside is equipped with the support bar, go up support bar and bar shaped plate fixed connection, the through-hole has been seted up to the one side of bar shaped plate face to the top frame, be equipped with the connecting screw in the through-hole, the connecting screw through-hole adopts self tapping tooth mode and top frame fixed connection.
Furthermore, the outer surfaces of the two ends of the cross rod are respectively fixed with a first cylinder, and one end, far away from the strip-shaped acrylic magnifier, of the metal shaping hose is adhered to the first cylinder through glue.
Further, a second cylinder is fixed at the intersection of the bar-shaped acrylic magnifier and the metal shaping hose, and one end, far away from the cross rod, of the metal shaping hose is adhered to the second cylinder through glue.
Furthermore, an ash leakage opening is formed in the lower portion of the outer surface of the guide sleeve.
Furthermore, a partition board is arranged in the middle of the support frame and fixedly connected with the support frame.
Furthermore, a reverse rotation control switch, a forward rotation control switch and a stop switch are installed at the bottom in the top frame, and the reverse rotation control switch, the forward rotation control switch and the stop switch are electrically connected with the small motor through leads.
Furthermore, a round hole is formed in the position where the small-sized motor is installed on the top frame, and one end, far away from the bearing, of the screw rod penetrates through the round hole and is fixedly connected with the output end of the small-sized motor.
Further, at least three through-holes, at least three are seted up to the one side equidistance of bar shaped plate towards the top frame all be equipped with the connecting screw in the through-hole.
The invention has the beneficial effects that: according to the invention, after manuscripts or books are placed in the top frame, the shape of the metal shaping hose is adjusted, so that the distance between the bar-type acrylic magnifier and the manuscripts or the books meets the requirement, the bar-type acrylic magnifier amplifies characters on the manuscripts or the books, the situation that a speaker lowers the head to check or pick up the manuscripts or the books is avoided, the small motor is controlled to rotate forwards or reversely, the small motor drives the screw rod to rotate forwards or reversely, the ball nut pair drives the cross rod to move in the top frame in a reciprocating mode, meanwhile, the bar-type acrylic magnifier moves along with the screw rod, the purpose of conveniently moving the bar-type acrylic magnifier is achieved, namely, the relative position relation between the bar-type acrylic magnifier and the manuscripts or the books is adjusted, and when the small motor drives the cross rod to move, the cross rod drives the guide sleeve to slide on the guide rod.
The connecting screw penetrates through the through hole in the strip-shaped plate and is screwed into the top frame in a self-tapping mode, so that the strip-shaped plate is fixedly connected with the top frame, a certain gap is formed between the strip-shaped plate and the top frame under the supporting action of the upper supporting strip and the lower supporting strip, so that an assembly space is provided for the soft rubber sleeve, after the soft rubber sleeve is sleeved on the strip-shaped plate, when the arm of a speaker is lapped at the edge of the top frame, the soft rubber sleeve realizes soft support for the arm of the speaker, and the arm of the speaker is prevented from being uncomfortable in a long-time speaking process.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an interactive device for ideological and political classroom education according to the present invention;
FIG. 2 is an enlarged view of the interactive device for ideological and political classroom education at A of the present invention;
FIG. 3 is an enlarged view of the interactive device for ideological and political classroom education at B of the present invention;
FIG. 4 is a schematic top view assembly diagram of a screw, a guide bar and a top frame of the interactive device for ideological and political classroom education of the present invention;
FIG. 5 is an enlarged view at C of FIG. 4;
FIG. 6 is a schematic view of the assembly of a soft rubber sleeve and a strip-shaped plate in the interactive device for ideological and political classroom education of the present invention;
FIG. 7 is a cross-sectional view of a guide sleeve in the interactive device for ideological and political classroom education of the present invention;
in the figure: 1-base, 2-supporting frame, 3-top frame, 4-cross bar, 5-strip acrylic magnifier, 6-screw rod, 7-bearing, 8-supporting rod, 9-soft rubber sleeve, 10-strip plate, 11-connecting screw, 12-clapboard, 13-ball nut pair, 14-first cylinder, 15-metal shaping hose, 16-second cylinder, 17-upper supporting strip, 18-lower supporting strip, 19-small motor, 20-guide sleeve, 21-guide rod, 22-connecting rod, 23-through hole, 24-ash leakage port.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides an ideological and political classroom education interactive installation, includes base 1, installs at the carriage 2 of base 1 up end and fixes the top frame 3 in carriage 2 upper end, installs carriage 2 between base 1 and top frame 3, plays the effect of fixed connection base 1 and top frame 3, provides the space for depositing article simultaneously, and top frame 3 provides for manuscript or books and places the carrier.
One side is equipped with the lead screw 6 in the top frame 3, 6 one end surface covers of lead screw is equipped with bearing 7, bearing 7 external surface is fixed with branch 8, bearing 7's one end and top frame 3 fixed connection are kept away from to branch 8, the one end that bearing 7 was kept away from to lead screw 6 runs through top frame 3 and extends to the 3 outsides of top frame and the 19 output of fixed connection small motor, keep away from the pot head of small motor 19 with lead screw 6 and establish bearing 7, and utilize 8 fixed connection bearings 7 of branch and top frame 3, accomplish the assembly of lead screw 6.
The cover is equipped with ball nut pair 13 on the lead screw 6, ball nut pair 13 surface mounting has horizontal pole 4, the fixed uide bushing 20 of one end of ball nut pair 13 is kept away from to horizontal pole 4, the guide bar 21 has been inserted in the uide bushing 20, guide bar 21 sets up the one side of keeping away from lead screw 6 in the top frame 3, the both ends surface of guide bar 21 all is fixed with connecting rod 22, the one end and the 3 fixed connection of top frame of guide bar 21 are kept away from to connecting rod 22, when small-size motor 19 drive lead screw 6 is rotatory, ball nut pair 13 drives horizontal pole 4 and removes in top frame 3, horizontal pole 4 drives uide bushing 20 and slides along guide bar 21, play spacing guide's effect.
Two metal shaping hoses 15 are symmetrically arranged on the outer surface of the cross rod 4, one end of each metal shaping hose 15 far away from the cross rod 4 is fixedly connected with a strip-shaped acrylic magnifier 5, after manuscripts or books are placed in the top frame 3, the shape of the metal shaping hose 15 is adjusted to ensure that the distance between the bar-shaped acrylic magnifier and the manuscript or book meets the requirement, the bar-shaped acrylic magnifier 5 magnifies the characters on the manuscript or the book, thereby avoiding the speaker from looking over or picking up the manuscript or the book by lowering the head, controlling the small-sized motor 19 to rotate forwards or backwards, further, the small motor 19 drives the screw rod 6 to rotate forward or backward, further the ball nut pair 13 drives the cross rod 4 to reciprocate in the top frame 3, meanwhile, the strip-shaped acrylic magnifier 5 moves along with the strip-shaped acrylic magnifier, so that the strip-shaped acrylic magnifier 5 can be conveniently moved, namely the relative position relation between the strip-shaped acrylic magnifier 5 and manuscripts or books is adjusted.
As an embodiment of the present invention: one side of the top frame 3, which is far away from the small motor 19, is provided with a strip-shaped plate 10, the upper end cover of the strip-shaped plate 10 is provided with a soft rubber sleeve 9, the edge of the lower part of one side of the strip-shaped plate 10, which faces the top frame 3, is fixed with a lower supporting strip 18, the upper side of the lower supporting strip 18 is provided with an upper supporting strip 17, the upper supporting strip 17 is fixedly connected with the strip-shaped plate 10, one side of the strip-shaped plate 10, which faces the top frame 3, is provided with a through hole 23, a connecting screw 11 is arranged in the through hole 23, the connecting screw 11 penetrates through the through hole 23 on the strip-shaped plate 10 and is screwed into the top frame 3 in a self-tapping mode, the fixed connection of the strip-shaped plate 10 and the top frame 3 is completed, at the moment, under the supporting action of the upper supporting strip 17 and the lower supporting strip 18, a certain gap exists between the strip-shaped plate 10 and the, when the arms of the speaker are lapped at the edge of the top frame 3, the soft rubber sleeve 9 realizes soft support for the arms of the speaker, thereby preventing the arms of the speaker from being uncomfortable in the process of speaking for a long time.
As an embodiment of the present invention: the outer surfaces of the two ends of the cross rod 4 are respectively fixed with a first cylinder 14, one end, far away from the strip-shaped acrylic magnifier 5, of the metal shaping hose 15 is adhered to the first cylinder 14 through glue, one end of the metal shaping hose 15 is adhered to the first cylinder 14, and therefore convenient assembly of the metal shaping hose 15 and the cross rod 4 is achieved.
As an embodiment of the present invention: the second cylinder 16 is fixed at the intersection of the bar-shaped acrylic magnifier 5 and the metal shaping hose 15, one end of the metal shaping hose 15, which is far away from the cross rod 4, is adhered in the second cylinder 16 through glue, one end of the metal shaping hose 15 is adhered in the second cylinder 16, and the convenient assembly of the metal shaping hose 15 and the bar-shaped acrylic magnifier 5 is realized.
As an embodiment of the present invention: the lower part of the outer surface of the guide sleeve 20 is provided with a dust leakage port 24, and the guide sleeve 20 is provided with the dust leakage port 24, so that dust entering the guide sleeve 20 can be conveniently discharged.
As an embodiment of the present invention: middle part position is equipped with baffle 12 in the carriage 2, baffle 12 and carriage 2 fixed connection, and installation baffle 12 plays the effect of consolidating carriage 2 in carriage 2, cuts apart the inner space of carriage 2 simultaneously.
As an embodiment of the present invention: the bottom in the top frame 3 is installed reverse rotation control switch, corotation control switch and stop switch, and reverse rotation control switch, corotation control switch and stop switch all pass through wire and small-size motor 19 electric connection, and the design of reverse rotation control switch, corotation control switch and stop switch is convenient for control small-size motor 19 corotation, reversal and stop.
As an embodiment of the present invention: the round hole has been seted up to the position department of top frame 3 installation small motor 19, and the one end that bearing 7 was kept away from to lead screw 6 runs through round hole and small motor 19 output fixed connection, sets up the round hole on top frame 3, the mutual assembly of the small motor 19 of being convenient for and lead screw 6.
As an embodiment of the present invention: at least three through-hole 23 has been seted up towards the one side equidistance of top frame 3 to bar 10, all is equipped with connecting screw 11 in the at least three through-hole 23, utilizes 11 connection bar 10 of at least three connecting screw and top frame 3, improves the stability that bar 10 and top frame 3 are connected.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides an ideological and political classroom education interactive installation, includes the base, installs the carriage at the base up end and fixes the top frame in the carriage upper end, its characterized in that: a screw rod is arranged on one side in the top frame, a bearing is sleeved on the outer surface of one end of the screw rod, a supporting rod is fixed on the outer surface of the bearing, one end of the support rod, which is far away from the bearing, is fixedly connected with the top frame, one end of the screw rod, which is far away from the bearing, penetrates through the top frame, extends to the outer side of the top frame and is fixedly connected with the output end of the small motor, a ball nut pair is sleeved on the screw rod, a cross rod is arranged on the outer surface of the ball nut pair, a guide sleeve is fixed at one end of the cross rod, which is far away from the ball nut pair, a guide rod is inserted in the guide sleeve, the guide rod is arranged on one side of the top frame far away from the screw rod, the outer surfaces of the two ends of the guide rod are respectively fixed with a connecting rod, one end of the connecting rod far away from the guide rod is fixedly connected with the top frame, two metal forming hoses are symmetrically installed on the outer surface of the cross rod, and one end, far away from the cross rod, of each metal forming hose is fixedly connected with the strip-shaped acrylic magnifier.
2. The ideological and political classroom education interaction device of claim 1, wherein: one side that the small-size motor was kept away from to the top frame is equipped with the bar shaped plate, bar shaped plate upper end cover is equipped with the soft rubber cover, the one side lower part edge of bar shaped plate towards the top frame is fixed with the lower support bar, the lower support bar upside is equipped with the support bar, go up support bar and bar shaped plate fixed connection, the through-hole has been seted up towards the one side of top frame to the bar shaped plate, be equipped with the connecting screw in the through-hole, the connecting screw runs through the through-hole and adopts self tapping tooth mode and top frame fixed connection.
3. The ideological and political classroom education interaction device of claim 1, wherein: the outer surfaces of the two ends of the cross rod are respectively fixed with a first cylinder, and one end, far away from the strip-shaped acrylic magnifier, of the metal shaping hose is adhered to the first cylinder through glue.
4. The ideological and political classroom education interaction device of claim 1, wherein: the crossed part of the strip-shaped acrylic magnifier and the metal shaping hose is fixedly provided with a second cylinder, and one end, far away from the cross rod, of the metal shaping hose is adhered to the second cylinder through glue.
5. The ideological and political classroom education interaction device of claim 1, wherein: and an ash leakage opening is formed in the lower part of the outer surface of the guide sleeve.
6. The ideological and political classroom education interaction device of claim 1, wherein: the middle position is equipped with the baffle in the carriage, baffle and carriage fixed connection.
7. The ideological and political classroom education interaction device of claim 1, wherein: the bottom in the top frame is provided with a reverse rotation control switch, a forward rotation control switch and a stop switch, and the reverse rotation control switch, the forward rotation control switch and the stop switch are all electrically connected with the small motor through leads.
8. The ideological and political classroom education interaction device of claim 1, wherein: the round hole has been seted up to the position department of top frame installation small motor, the one end that the bearing was kept away from to the lead screw runs through round hole and small motor output fixed connection.
9. An ideological and political classroom education interaction apparatus according to claim 2, wherein: at least three through-holes, at least three are seted up towards the one side equidistance of top frame to the bar shaped plate all be equipped with the connecting screw in the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180954.0A CN111248626B (en) | 2020-03-16 | 2020-03-16 | Ideological and political classroom education interaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010180954.0A CN111248626B (en) | 2020-03-16 | 2020-03-16 | Ideological and political classroom education interaction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111248626A true CN111248626A (en) | 2020-06-09 |
| CN111248626B CN111248626B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010180954.0A Active CN111248626B (en) | 2020-03-16 | 2020-03-16 | Ideological and political classroom education interaction device |
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| Country | Link |
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| CN (1) | CN111248626B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914229A (en) * | 2021-02-04 | 2021-06-08 | 深圳华文网教育科技有限公司 | Intelligent platform with fingerprint identification function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203759901U (en) * | 2014-04-15 | 2014-08-06 | 刘晓萍 | Device assisting in word remembering |
| CN203913902U (en) * | 2014-05-31 | 2014-11-05 | 赵奉琴 | A kind of teacher's lectern easy to use |
| CN204032679U (en) * | 2014-08-30 | 2014-12-24 | 黑河学院 | Platform is explained and publicised in ideological and political education |
| CN204331142U (en) * | 2015-01-04 | 2015-05-13 | 肖凤霞 | With the books reader of LED enlarging function |
| CN204599774U (en) * | 2015-05-02 | 2015-09-02 | 李乃岭 | A kind of portable Art undergraduate apparatus |
| CN204695583U (en) * | 2015-06-07 | 2015-10-07 | 哈尔滨金融学院 | The outer showing stand of a kind of think of political affairs user |
| CN106617692A (en) * | 2016-12-05 | 2017-05-10 | 国网天津市电力公司 | Multifunctional portable foldable reading bookshelf |
-
2020
- 2020-03-16 CN CN202010180954.0A patent/CN111248626B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203759901U (en) * | 2014-04-15 | 2014-08-06 | 刘晓萍 | Device assisting in word remembering |
| CN203913902U (en) * | 2014-05-31 | 2014-11-05 | 赵奉琴 | A kind of teacher's lectern easy to use |
| CN204032679U (en) * | 2014-08-30 | 2014-12-24 | 黑河学院 | Platform is explained and publicised in ideological and political education |
| CN204331142U (en) * | 2015-01-04 | 2015-05-13 | 肖凤霞 | With the books reader of LED enlarging function |
| CN204599774U (en) * | 2015-05-02 | 2015-09-02 | 李乃岭 | A kind of portable Art undergraduate apparatus |
| CN204695583U (en) * | 2015-06-07 | 2015-10-07 | 哈尔滨金融学院 | The outer showing stand of a kind of think of political affairs user |
| CN106617692A (en) * | 2016-12-05 | 2017-05-10 | 国网天津市电力公司 | Multifunctional portable foldable reading bookshelf |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112914229A (en) * | 2021-02-04 | 2021-06-08 | 深圳华文网教育科技有限公司 | Intelligent platform with fingerprint identification function |
| CN112914229B (en) * | 2021-02-04 | 2022-02-18 | 深圳华文网教育科技有限公司 | Intelligent platform with fingerprint identification function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111248626B (en) | 2022-05-17 |
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