CN110874969A - Law teaching display device - Google Patents
Law teaching display device Download PDFInfo
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- CN110874969A CN110874969A CN201911238112.XA CN201911238112A CN110874969A CN 110874969 A CN110874969 A CN 110874969A CN 201911238112 A CN201911238112 A CN 201911238112A CN 110874969 A CN110874969 A CN 110874969A
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- 230000005540 biological transmission Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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 discloses a display device for law teaching, which relates to a display device and comprises a fixed display platform, wherein a fixed support column is fixedly connected to the middle part below the fixed display platform, a rotating screw rod is connected to the lower part of the fixed support column in a threaded manner, a positioning rotating sleeve is rotatably connected to the lower part of the rotating screw rod, four first hinges are symmetrically and fixedly connected to the positioning rotating sleeve in a left-right and front-back manner, side support rods are fixedly connected to the outer sides of the first hinges, four second hinges are symmetrically and fixedly connected to the fixed support column in the left-right and front-back manner, and adjusting support rods are fixedly connected to the lower parts. The adjustable support rod is simple in structure and convenient to use, the adjustable support rod is adjusted by rotating the rotary handle when the adjustable support rod is used, the device can be stably placed on the ground and can be folded when not used, the use is more convenient, the device is displayed through the fixed display stand and can be expanded through the left expansion plate and the right expansion plate, and the display requirement is fully guaranteed.
Description
Technical Field
The invention relates to a display device, in particular to a law teaching display device.
Background
A law teaching display device is an auxiliary device used in the law teaching process and used for assisting a teacher in performing law teaching so that a student can receive new law knowledge more quickly, and the law teaching display device is widely used in the field of law teaching.
Chinese patent (No. CN 206819597U) discloses a law teaching display device, the height of the plate body of which can be adjusted according to the height of an instructor, thereby improving the adaptability and reducing the use limitation; the blackboard erasing mode is simplified, so that the working efficiency is improved; comprises a plate body, a tray, a support column and a support plate; the supporting column comprises a piston rod, a piston and a pressure pipe, a pressure cavity is arranged in the pressure pipe, a sealing guide sleeve is arranged at the top in the pressure pipe, the piston is positioned in the pressure cavity, a needle valve switch is arranged on the piston rod, and a through hole is formed in the piston; the movable plate is slidably mounted on the lower sliding groove, the bristles are mounted on the rear side face of the connecting plate, and the bristles are tightly attached to the plate body. But the device is inconvenient to fold, and the display table top is not convenient enough when being expanded upwards for use.
Disclosure of Invention
The invention aims to provide a law teaching display device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a law teaching display device comprises a fixed display platform, wherein a fixed support column is fixedly connected to the middle part below the fixed display platform, a rotating screw rod is in threaded connection with the lower part of the fixed support column, a positioning rotating sleeve is rotatably connected to the lower part of the rotating screw rod, four first hinges are symmetrically and fixedly connected to the left, right and front of the positioning rotating sleeve, a side stay bar is fixedly connected to the outer side of each first hinge, four second hinges are symmetrically and fixedly connected to the left, right and front of the fixed support column, adjusting support bars are fixedly connected to the lower parts of the second hinges, a rotating column is fixedly connected to the upper parts of the adjusting support bars, and the side stay bars are rotatably connected with; fixed show stand right side rear sliding connection has right expansion board, fixed show stand left side rear sliding connection has left expansion board, the first reference column of right expansion board rear side below fixedly connected with, left expansion board rear side below fixedly connected with second reference column, the first reference column outside is rotated and is connected with first transfer line, the second reference column outside is rotated and is connected with the second transfer line, first transfer line is rotated through the third reference column with the second transfer line outer end and is connected, fixed show stand rear side is opened and is equipped with spacing guide slot, second reference column and spacing guide slot sliding connection.
As a further scheme of the invention: the rotary handle is fixedly connected to the lower portion of the rotary screw rod and made of plastic.
As a still further scheme of the invention: the top of the fixed display stand is fixedly connected with a connecting lamp post, and the tail end of the connecting lamp post is fixedly connected with an illuminating lamp.
As a still further scheme of the invention: the connecting lamp post is a universal metal pipe.
As a still further scheme of the invention: the fixed display table is magnetically attracted with a plurality of magnets on the front side.
As a still further scheme of the invention: the left expansion board and the right expansion board are consistent in height.
As a still further scheme of the invention: the bottom of the adjusting support rod is fixedly connected with an anti-skid pad.
As a still further scheme of the invention: the screw pitch of the rotating screw is 1-3 mm.
Compared with the prior art, the invention has the beneficial effects that: the adjustable support rod is simple in structure and convenient to use, the adjustable support rod is adjusted by rotating the rotary handle when the adjustable support rod is used, the device can be stably placed on the ground and can be folded when not used, the use is more convenient, the device is displayed through the fixed display stand and can be expanded through the left expansion plate and the right expansion plate, the display requirement is fully guaranteed, and the adjustable support rod is worthy of popularization.
Drawings
FIG. 1 is a schematic structural view of a law teaching display device;
FIG. 2 is a schematic side view of a fixed display stand of a law teaching display device;
FIG. 3 is a schematic rear view of a fixed display stand of a law teaching display device;
FIG. 4 is a schematic view of a connection structure of a fixed display stand and an illumination lamp in a law teaching display device;
in the figure: the device comprises a fixed display platform 1, a fixed support column 2, a rotating screw rod 3, a rotating handle 4, a positioning rotating sleeve 5, a first hinge 6, a side support rod 7, a second hinge 8, an adjusting support rod 9, a rotating column 10, an antiskid pad 11, a connecting lamp post 12, a lighting lamp 13, a right expansion plate 14, a left expansion plate 15, a first positioning column 16, a second positioning column 17, a first transmission rod 18, a second transmission rod 19, a third positioning column 20, a limiting guide groove 21 and a magnet 22.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-4, a law teaching display device comprises a fixed display platform 1, wherein a fixed support column 2 is fixedly connected to the middle part below the fixed display platform 1, a rotating screw 3 is connected to the lower part of the fixed support column 2 in a threaded manner, a positioning rotating sleeve 5 is rotatably connected to the lower part of the rotating screw 3, four first hinges 6 are symmetrically and fixedly connected to the positioning rotating sleeve 5 in the left-right and front-back directions, a side stay bar 7 is fixedly connected to the outer side of each first hinge 6, four second hinges 8 are symmetrically and fixedly connected to the fixed support column 2 in the left-right and front-back directions, an adjusting support bar 9 is fixedly connected to the lower part of each second hinge 8, a rotating column 10 is fixedly connected to the upper part of each adjusting support bar 9, and the side stay;
when the device is used, the rotating screw rod 3 is rotated, the rotating screw rod 3 rotates to move upwards to drive the positioning rotating sleeve 5 to move upwards, the adjusting support rod 9 is unfolded through the side support rod 7 when the device is used, the device can be placed on the ground, the stable support is facilitated, the unfolding angle can be automatically adjusted, the larger the unfolding angle is, the more stable the unfolding angle is, and the device can be displayed after being placed on the ground;
a right expansion plate 14 is connected to the rear of the right side of the fixed display platform 1 in a sliding manner, a left expansion plate 15 is connected to the rear of the left side of the fixed display platform 1 in a sliding manner, a first positioning column 16 is fixedly connected to the lower portion of the rear side of the right expansion plate 14, a second positioning column 17 is fixedly connected to the lower portion of the rear side of the left expansion plate 15, a first transmission rod 18 is rotatably connected to the outer side of the first positioning column 16, a second transmission rod 19 is rotatably connected to the outer side of the second positioning column 17, the first transmission rod 18 is rotatably connected with the outer end of the second transmission rod 19 through a third positioning column 20, a limiting guide groove 21 is formed in the rear side of the fixed display platform;
can show through fixed show stand 1, when fixed show stand 1 causes the not good time of bandwagon effect because of the show area is little at the show in-process, can press third reference column 20 downwards, third reference column 20 pushes down, drives first transfer line 18 and second transfer line 19 and opens, and left expansion board 15 and right expansion board 14 stretch out this moment, can show, promote the bandwagon effect.
The lower part of the rotating screw rod 3 is fixedly connected with a rotating handle 4, and the rotating handle 4 is made of plastic.
The top of the fixed display stand 1 is fixedly connected with a connecting lamp post 12, and the tail end of the connecting lamp post 12 is fixedly connected with an illuminating lamp 13.
The connecting lamp post 12 is a universal metal tube.
The left expansion plate 15 is identical in height to the right expansion plate 14.
The bottom of the adjusting support rod 9 is fixedly connected with an anti-skid pad 11.
The pitch of the rotating screw 3 is 1-3 mm.
Example two: this embodiment is a further improvement of the previous embodiment: the front side of the fixed display stand 1 is magnetically connected with a plurality of magnets 22. Through the attraction of the magnet 22, the articles to be displayed can be more conveniently fixed on the fixed display stand 1, and the use is more convenient.
The working principle of the invention is as follows: when the device is used, the rotating screw rod 3 is rotated, the rotating screw rod 3 rotates to move upwards to drive the positioning rotating sleeve 5 to move upwards, the adjusting support rod 9 is propped open through the side support rod 7 when the device is used, the device can be placed on the ground, the stable support is convenient, the propping angle can be automatically adjusted, the larger the propping angle is, the more stable the propping angle is, the device can be displayed after being placed on the ground, the device can be displayed through the fixed display table 1, when the display effect is poor due to the small display area of the fixed display table 1 in the display process, the third positioning column 20 can be pressed downwards, the third positioning column 20 is pressed downwards to drive the first transmission rod 18 and the second transmission rod 19 to be opened, and at the moment, the left expansion plate 15 and the right expansion plate 14 extend out to display, and the.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (8)
1. A law teaching display device comprises a fixed display platform (1), a fixed support column (2) is fixedly connected with the middle part below the fixed display platform (1), a rotating screw (3) is connected with the lower part of the fixed support column (2) in a threaded manner, a positioning rotating sleeve (5) is rotatably connected with the lower part of the rotating screw (3), four first hinges (6) are symmetrically and fixedly connected with the positioning rotating sleeve (5) in the left-right front-back direction, it is characterized in that the outer side of the first hinge (6) is fixedly connected with a side stay bar (7), the fixed supporting column (2) is symmetrically and fixedly connected with four second hinges (8) in a left-right front-back mode, adjusting supporting rods (9) are fixedly connected below the second hinges (8), rotating columns (10) are fixedly connected above the adjusting supporting rods (9), and the side supporting rods (7) are rotatably connected with the adjusting supporting rods (9) through the rotating columns (10); fixed show stand (1) right side rear sliding connection has right expansion board (14), fixed show stand (1) left side rear sliding connection has left expansion board (15), right expansion board (14) rear side below fixedly connected with first reference column (16), left side expansion board (15) rear side below fixedly connected with second reference column (17), first reference column (16) outside is rotated and is connected with first transfer line (18), second reference column (17) outside is rotated and is connected with second transfer line (19), first transfer line (18) and second transfer line (19) outer end are passed through third reference column (20) and are rotated and be connected, fixed show stand (1) rear side is seted up and is equipped with spacing guide slot (21), second reference column (17) and spacing guide slot (21) sliding connection.
2. The law teaching display device according to claim 1, wherein a rotary handle (4) is fixedly connected below the rotary screw (3), and the rotary handle (4) is made of plastic.
3. The forensic teaching display device according to claim 1, wherein the top of the fixed display stand (1) is fixedly connected with a connecting lamp post (12), and the tail end of the connecting lamp post (12) is fixedly connected with a lighting lamp (13).
4. The forensic teaching display device according to claim 3 wherein the connecting light pole (12) is a universal metal tube.
5. The forensic teaching display device according to claim 1 wherein the fixed display stand (1) has magnets (22) magnetically attached to its front side.
6. The forensic teaching display device according to claim 1 wherein the left extension board (15) is level with the right extension board (14).
7. The forensic teaching display device according to any of claims 1 to 6 wherein the bottom of the adjustable support bar (9) is fixedly connected with a non-slip mat (11).
8. The forensic teaching display device according to claim 7 in which the pitch of the rotating screw (3) is 1-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238112.XA CN110874969A (en) | 2019-12-06 | 2019-12-06 | Law teaching display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238112.XA CN110874969A (en) | 2019-12-06 | 2019-12-06 | Law teaching display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110874969A true CN110874969A (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238112.XA Pending CN110874969A (en) | 2019-12-06 | 2019-12-06 | Law teaching display device |
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| CN (1) | CN110874969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113243712A (en) * | 2021-06-22 | 2021-08-13 | 华南农业大学 | Plant science popularization display device |
| CN114495758A (en) * | 2021-06-29 | 2022-05-13 | 青岛理工大学 | Rural holographic projection propaganda device |
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| CN209416346U (en) * | 2019-02-26 | 2019-09-20 | 孙杰 | A kind of Portable engineering surveying instrument |
| CN209543649U (en) * | 2018-07-09 | 2019-10-25 | 周口师范学院 | A kind of displaying teaching aid that Teaching of Psychology uses |
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Patent Citations (9)
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|---|---|---|---|---|
| CN202852366U (en) * | 2012-10-09 | 2013-04-03 | 阿高龙热 | Screw level photography tripod |
| CN103234569A (en) * | 2013-04-26 | 2013-08-07 | 湖南航天环宇通信科技有限责任公司 | Antenna testing frame |
| CN204403714U (en) * | 2014-12-16 | 2015-06-17 | 武汉微梦文化传媒有限公司 | A kind of being convenient to adjusts tripod highly |
| CN206097680U (en) * | 2016-06-27 | 2017-04-12 | 刘馨宇 | Tree planting problem demonstration appearance |
| CN209574130U (en) * | 2018-06-11 | 2019-11-05 | 赵博 | A kind of engineering management display board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113243712A (en) * | 2021-06-22 | 2021-08-13 | 华南农业大学 | Plant science popularization display device |
| CN114495758A (en) * | 2021-06-29 | 2022-05-13 | 青岛理工大学 | Rural holographic projection propaganda device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200310 |