CN111911759A - Electronic commerce teaching device - Google Patents
Electronic commerce teaching device Download PDFInfo
- Publication number
- CN111911759A CN111911759A CN202010749961.8A CN202010749961A CN111911759A CN 111911759 A CN111911759 A CN 111911759A CN 202010749961 A CN202010749961 A CN 202010749961A CN 111911759 A CN111911759 A CN 111911759A
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- Prior art keywords
- fixedly connected
- sleeve
- sliding
- electronic commerce
- display screen
- Prior art date
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- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000007405 data analysis Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/04—Preventing deposition of fouling or of dust by using removable coverings
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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
- F16M11/26—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 telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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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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- 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
- F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
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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
Landscapes
- 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)
- Displays For Variable Information Using Movable Means (AREA)
Abstract
The invention discloses an electronic commerce teaching device which comprises a sleeve, wherein the bottom of the inner wall of the sleeve is fixedly connected with a motor, the top of an output shaft on the motor is fixedly connected with a rectangular rod, the surface of the rectangular rod is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a rotating ring, the upper surface of the rotating ring is provided with a spiral guide groove, the inner wall of the spiral guide groove is connected with two symmetrical sliding arms in a sliding manner, the top of the sleeve is fixedly connected with a limiting frame, the surface of the limiting frame penetrates through the sliding arms and is connected with the sliding arms in a sliding manner, and the upper surfaces of the sliding arms are fixedly connected with a protective cover. The invention solves the problems that in the actual use process, because the display screen is not sufficiently protected, the display screen cannot be sufficiently protected when being idle, and the lifting drive of the display screen is not convenient and quick enough, so that the use is inconvenient.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to an electronic commerce teaching device.
Background
Electronic commerce generally refers to a novel business operation mode in which, in wide commercial and trade activities worldwide, in an internet environment open to the internet, buyers and sellers conduct various commercial and trade activities without conspiracy based on a browser/server application mode, and consumer online shopping, online transactions and online electronic payments among merchants, and various commercial activities, transaction activities, financial activities, and related comprehensive service activities are realized. When electronic commerce teaching is carried out, a large amount of data analysis is often required, and data of each year are compared, so that the development trend of electronic commerce can be clearly understood, but most of the existing electronic commerce teaching devices are simple electronic display screens or data analysis devices, a large amount of manual operation is often required, and the data analysis effect is poor; in addition, for an intelligent electronic commerce teaching device, a large amount of heat can be generated during operation, so that the heat dissipation performance is particularly important during use, and therefore, an electronic commerce teaching device is provided, for example, an electronic commerce teaching platform disclosed by a Chinese patent CN2 pulling plate (17)11389972.4, which comprises a teaching platform body, wherein a heat dissipation port is arranged on one side of the teaching platform body, a heat dissipation fan is arranged on the rear side of the heat dissipation port, a cavity is arranged in the teaching platform body, a lifting index display device is arranged on a supporting rod, and a numerical scale is arranged on one side of the teaching platform body;
however, in the actual use process, the display screen is not sufficiently protected when not in use due to insufficient protection, and the lifting drive of the display screen is not convenient and quick enough, so that inconvenience is brought to use.
Disclosure of Invention
The invention aims to provide an electronic commerce teaching device, which improves the traditional device and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electronic commerce teaching device, includes the sleeve, the bottom fixedly connected with motor of sleeve inner wall, the top fixedly connected with rectangular rod of output shaft on the motor, the fixed surface of rectangular rod is connected with the link, the top fixedly connected with swivel becket of link.
The utility model discloses a display screen, including swivel becket, slip arm, slide arm, display screen, rectangle through-hole, the spiral guide way has been seted up to the upper surface of swivel becket, the inner wall sliding connection of spiral guide way has the slide arm of two symmetries, telescopic top fixedly connected with is spacing, spacing surface run through the slide arm and with slide arm sliding connection, the last fixed surface of slide arm is connected with the safety cover, two be equipped with the display screen in the safety cover, two spacing looks remote site fixedly connected with thread bush, the inner wall spiro union of thread bush has the screw rod, the top of screw rod and the lower fixed surface of display screen are connected, the rectangle through-hole has been seted up to the bottom of screw rod, the surface of rectangle pole and the inner wall sliding connection of.
Preferably, the moving device comprises a support plate, the side surface of the support plate is fixedly connected with the side surface of the sleeve, a through hole is formed in the upper surface of the support plate, a transmission rod is connected with the through hole in a sliding manner, a roller seat is fixedly connected to the bottom of the transmission rod, a roller is rotatably connected to the inner wall of the roller seat through a pin shaft, a pull plate is fixedly connected to the top of the transmission rod, a pressure spring is sleeved on the surface of the transmission rod, two ends of the pressure spring are fixedly connected with opposite surfaces of the support plate and the pull plate, a pull rope is fixedly connected to the upper surface of the pull plate, an extension plate is fixedly connected to the side surface of the sleeve, a guide block is arranged on the front side of the extension plate, a storage ring is sleeved on the surface of the rectangular rod close to the bottom.
Preferably, the lower surface of the sleeve is provided with a non-slip mat.
Preferably, the surface of the motor is fixedly connected with a support, and the bottom of the support is fixedly connected with the bottom of the inner wall of the sleeve.
Preferably, the number of the connecting frames is two, and the two connecting frames are symmetrically arranged with respect to the vertical central line of the rectangular rod.
Preferably, the bottom of the sliding arm is an arc-shaped end surface, and the sliding arm is in sliding connection with the inner wall of the spiral guide groove through the arc-shaped end surface on the sliding arm.
Preferably, the upper surface and the lower surface of the containing ring are fixedly sleeved with anti-dropping rings, and edges of the anti-dropping rings are subjected to circular arc transition treatment.
Compared with the prior art, the invention has the following beneficial effects:
the device integrally provides support for the device through the sleeve, after the external power supply is connected through the motor and the switch is turned on, the output shaft on the sleeve drives the rectangular rod to synchronously rotate, and the rotating ring can coaxially rotate along with the rectangular rod through transmission of the connecting frame;
the sliding arms can only move left and right on the limiting frame due to the fact that the limiting frame penetrates through the sliding arms, after the rotating ring rotates, relative sliding can be generated between the bottom of each sliding arm and the spiral guide groove in the rotating ring, and the two sliding arms can move in the opposite direction or away from each other under the guiding of the track of the spiral guide groove by changing the rotating direction of the rotating ring;
the two sliding arms move towards or away from each other, so that the protective covers on the sliding arms can synchronously move towards or away from each other, and the display screen is covered or displayed; when the display screen is covered, the display screen can be fully protected;
the screw rod can synchronously rotate along with the rectangular rod by arranging the rectangular through hole on the screw rod, and the opposite ends of the two limiting frames are provided with the thread sleeves, so that the screw rod can relatively rotate with the thread sleeves after rotating, and the screw rod can drive the display screen to move up and down by changing the rotating direction of the screw rod;
when the two protective covers move away from each other along with the sliding arm, the display screen slowly rises under the drive of the screw rod, so that the picture of the display screen can be conveniently displayed, and meanwhile, the height of the display screen is lifted, so that the picture can be better displayed;
through the arrangement of the mobile device, when the picture of the display screen is completely displayed, the bottom of the sleeve is contacted with the supporting surface, so that the friction force between the sleeve and the ground can be increased, and the stability of the whole device in use is further ensured;
by the cooperation of the structures, the problems that in the actual use process, the display screen cannot be fully protected when not in use due to insufficient protection of the display screen, and the lifting drive is not convenient and rapid enough, so that inconvenience is brought to use are solved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the sleeve of the present invention;
FIG. 3 is a front cross-sectional view of the sleeve of the present invention;
fig. 4 is a top view of the rotating ring of the present invention.
In the figure: the device comprises a sleeve 1, a motor 2, a rectangular rod 3, a connecting frame 4, a rotating ring 5, a spiral guide groove 6, a sliding arm 7, a limiting frame 8, a protective cover 9, a display screen 10, a thread bushing 11, a screw rod 12, a rectangular through hole 13, a moving device 14, a support plate 15, a transmission rod 16, a roller seat 161, a pull plate 17, a pressure spring 18, a pull rope 19, an extension plate 20, a guide block 21, a receiving ring 22, a support 23 and an anti-drop ring 24.
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. 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.
Referring to fig. 1 to 4, the present invention provides a technical solution: an electronic commerce teaching device comprises a sleeve 1, wherein the sleeve 1 is used for supporting the whole device, a non-slip mat is arranged on the lower surface of the sleeve 1, and the non-slip mat is arranged on the lower surface of the sleeve 1, so that on one hand, the device can play a role in buffering and protecting, and when in use, the friction force between the device and a supporting surface is increased, and the device is more stable;
the bottom of the inner wall of the sleeve 1 is fixedly connected with the motor 2, the surface of the motor 2 is fixedly connected with the support 23, the bottom of the support 23 is fixedly connected with the bottom of the inner wall of the sleeve 1, and the support 23 on the surface of the motor 2 is arranged to reinforce the installation and use of the motor 2, so that the motor 2 is prevented from shaking in use;
the top of an output shaft on the motor 2 is fixedly connected with a rectangular rod 3, the surface of the rectangular rod 3 is fixedly connected with a connecting frame 4, the top of the connecting frame 4 is fixedly connected with a rotating ring 5, the number of the connecting frames 4 is two, the two connecting frames 4 are symmetrically arranged along the vertical central line of the rectangular rod 3, and the two connecting frames 4 are arranged, so that the stress of the rotating ring 5 can be more balanced, and the rotating ring is more stable during rotation;
the upper surface of the rotating ring 5 is provided with a spiral guide groove 6, the inner wall of the spiral guide groove 6 is connected with two symmetrical sliding arms 7 in a sliding manner, the bottom of each sliding arm 7 is an arc-shaped end surface, the sliding arms 7 are connected with the inner wall of the spiral guide groove 6 in a sliding manner through the arc-shaped end surfaces on the sliding arms 7, and the sliding of the sliding arms 7 in the spiral guide groove 6 can be smoother through the arrangement of the arc-shaped end surfaces on the bottom of the sliding arms 7, so that the overall stability of the device is further improved;
because the sliding arm 7 is penetrated through by the limiting frame 8, the sliding arm 7 can only move left and right on the limiting frame 8, when the rotating ring 5 rotates, relative sliding can be generated between the bottom of the sliding arm 7 and the spiral guide groove 6 on the rotating ring 5, and the two sliding arms 7 can move in opposite directions or away from each other under the guidance of the track of the spiral guide groove 6 by changing the rotating direction of the rotating ring 5;
after the external power supply is switched on and the switch is turned on through the motor 2, the output shaft on the motor drives the rectangular rod 3 to synchronously rotate, and the rotating ring 5 can rotate coaxially along with the rectangular rod 3 through the transmission of the connecting frame 4
The top of the sleeve 1 is fixedly connected with a limiting frame 8, the surface of the limiting frame 8 penetrates through the sliding arm 7 and is in sliding connection with the sliding arm 7, the upper surface of the sliding arm 7 is fixedly connected with protective covers 9, display screens 10 are arranged in the two protective covers 9, the two sliding arms 7 move in opposite directions or in opposite directions, the protective covers 9 on the protective covers can also synchronously move in opposite directions or in opposite directions, and therefore the display screens 10 are covered or displayed; when the display screen 10 is covered, the display screen 10 can be fully protected, and multimedia teaching of electronic commerce is performed through the content displayed on the display screen 10;
the opposite ends of the two limiting frames 8 are fixedly connected with threaded sleeves 11, the inner walls of the threaded sleeves 11 are screwed with screw rods 12, the tops of the screw rods 12 are fixedly connected with the lower surface of the display screen 10, rectangular through holes 13 are formed in the bottoms of the screw rods 12, the surfaces of the rectangular rods 3 are in sliding connection with the inner walls of the rectangular through holes 13, the screw rods 12 can synchronously rotate along with the rectangular rods 3 through the arrangement of the rectangular through holes 13 in the screw rods 12, the threaded sleeves 11 are arranged on the opposite ends of the two limiting frames 8, when the screw rods 12 rotate, the screw rods 12 can rotate relative to the threaded sleeves 11, and the screw rods 12 can drive the display screen 10 to move up and down by changing the rotating direction of;
when the two protective covers 9 move away from each other along with the sliding arm 7, the display screen 10 is driven by the screw 12 to slowly rise so as to conveniently display the picture of the display screen 10, and the height of the display screen 10 is lifted at the same time, so that the picture can be better displayed;
the side surface of the sleeve 1 is fixedly connected with a moving device 14, and through the arrangement of the moving device 14, when the picture of the display screen 10 is completely displayed, the bottom of the sleeve 1 can be contacted with a supporting surface, so that the friction force between the sleeve 1 and the ground can be increased, and the stability of the whole device in use is further ensured;
the moving device 14 comprises a support plate 15, the side surface of the support plate 15 is fixedly connected with the side surface of the sleeve 1, the upper surface of the support plate 15 is provided with a through hole and is connected with a transmission rod 16 through the through hole in a sliding manner, the bottom of the transmission rod 16 is fixedly connected with a roller seat 161, the inner wall of the roller seat 161 is rotatably connected with a roller through a pin shaft, the top of the transmission rod 16 is fixedly connected with a pulling plate 17, the surface of the transmission rod 16 is sleeved with a pressure spring 18, two ends of the pressure spring 18 are fixedly connected with the opposite surfaces of the support plate 15 and the pulling plate 17, the upper surface of the pulling plate 17 is fixedly connected with a pulling rope 19, the side surface of the sleeve 1 is fixedly connected with an extension plate 20, the front side of the extension plate 20 is provided with a guide block 21, the surface of the rectangular rod 3 close to the bottom is fixedly sleeved with a receiving ring 22, the upper surface and the, the rope 19 wound on the storage ring 22 can be limited, and the wound rope 19 is prevented from falling off the storage ring 22;
one end of the pull rope 19 far away from the pull plate 17 penetrates through the sleeve 1 and is fixedly connected with the side surface of the containing ring 22; when the device is used, the two protective covers 9 move away from each other and are opened through rotation of the rectangular rod 3 and transmission of each part, the picture of the display screen 10 is completely displayed, meanwhile, the display screen 10 also moves upwards gradually, a wider viewing effect can be provided through height lifting, meanwhile, the rectangular rod 3 rotates to drive the containing ring 22 to rotate synchronously, so that continuous rolling of the pull rope 19 is realized, the pull plate 17 pulls the transmission rod 16 and the roller seat 161 to move upwards synchronously after overcoming the elasticity of the pressure spring 18 along with rolling of the pull rope 19, so that the roller on the roller seat 161 is separated from contact with the ground gradually, the lower surface of the sleeve 1 is finally contacted with the ground or a supporting surface, the resistance is increased, and the whole device can be placed more stably; in a similar way, when the rectangular rod 3 rotates reversely, the display screen 10 descends, the two protective covers 9 cover the display screen 10 again and protect the display screen 10, the pull plate 17 is also under the elastic action of the pressure spring 18, so that the roller on the roller seat 161 is contacted with the supporting surface again, and the whole device can move more conveniently and quickly through the rotation of the roller.
The working principle is as follows: when the electronic commerce teaching device is used, the sleeve 1 is used for supporting the whole device, the motor 2 is connected with an external power supply and a switch is turned on, an output shaft on the sleeve drives the rectangular rod 3 to synchronously rotate, and the rotating ring 5 can coaxially rotate along with the rectangular rod 3 through transmission of the connecting frame 4; because the sliding arm 7 is penetrated through by the limiting frame 8, the sliding arm 7 can only move left and right on the limiting frame 8, when the rotating ring 5 rotates, relative sliding can be generated between the bottom of the sliding arm 7 and the spiral guide groove 6 on the rotating ring 5, and the two sliding arms 7 can move in opposite directions or away from each other under the guidance of the track of the spiral guide groove 6 by changing the rotating direction of the rotating ring 5; the two sliding arms 7 move in opposite directions or away from each other, so that the protective covers 9 on the sliding arms can also synchronously move in opposite directions or away from each other, and further the display screen 10 is covered or the display screen 10 is displayed; when the display screen 10 is covered, the display screen 10 can be fully protected; the screw 12 can synchronously rotate along with the rectangular rod 3 by arranging the rectangular through hole 13 on the screw 12, and the screw 12 can relatively rotate with the threaded sleeve 11 after rotating because the opposite ends of the two limiting frames 8 are provided with the threaded sleeves 11, and the screw 12 can drive the display screen 10 to move up and down by changing the rotating direction of the screw 12; when the two protective covers 9 move away from each other along with the sliding arm 7, the display screen 10 is driven by the screw 12 to slowly rise so as to conveniently display the picture of the display screen 10, and the height of the display screen 10 is lifted at the same time, so that the picture can be better displayed; through the arrangement of the moving device 14, when the picture of the display screen 10 is completely displayed, the bottom of the sleeve 1 is contacted with the supporting surface, so that the friction force between the sleeve and the ground can be increased, and the stability of the whole device in use is further ensured; through the cooperation use between the above-mentioned structure, solved in the in-service use process, because the protection that the display screen obtained is not enough, fail to obtain abundant protection when idle, its lift drive is convenient and fast enough too moreover, gives the problem of inconvenience of using.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An electronic commerce teaching device which characterized in that: the device comprises a sleeve (1), wherein the bottom of the inner wall of the sleeve (1) is fixedly connected with a motor (2), the top of an output shaft on the motor (2) is fixedly connected with a rectangular rod (3), the surface of the rectangular rod (3) is fixedly connected with a connecting frame (4), and the top of the connecting frame (4) is fixedly connected with a rotating ring (5);
the upper surface of the rotating ring (5) is provided with a spiral guide groove (6), the inner wall of the spiral guide groove (6) is connected with two symmetrical sliding arms (7) in a sliding manner, the top of the sleeve (1) is fixedly connected with a limiting frame (8), the surface of the limiting frame (8) penetrates through the sliding arms (7) and is connected with the sliding arms (7) in a sliding manner, the upper surface of each sliding arm (7) is fixedly connected with a protective cover (9), two protective covers (9) are internally provided with a display screen (10), the opposite ends of the two limiting frames (8) are fixedly connected with threaded sleeves (11), the inner wall of each threaded sleeve (11) is screwed with a screw rod (12), the top of each screw rod (12) is fixedly connected with the lower surface of the display screen (10), the bottom of each screw rod (12) is provided with a rectangular through hole (13), the surface of each rectangular rod (3) is connected with the inner wall of the corresponding, the lateral surface of the sleeve (1) is fixedly connected with a moving device (14).
2. The electronic commerce instructional device of claim 1, wherein: the moving device (14) comprises a support plate (15), the side surface of the support plate (15) is fixedly connected with the side surface of the sleeve (1), a through hole is formed in the upper surface of the support plate (15), a transmission rod (16) is connected with the through hole in a sliding mode, a roller seat (161) is fixedly connected to the bottom of the transmission rod (16), a roller is rotatably connected to the inner wall of the roller seat (161) through a pin shaft, a pull plate (17) is fixedly connected to the top of the transmission rod (16), a pressure spring (18) is sleeved on the surface of the transmission rod (16), two ends of the pressure spring (18) are fixedly connected with the opposite surfaces of the support plate (15) and the pull plate (17), a pull rope (19) is fixedly connected to the upper surface of the pull plate (17), an extension plate (20) is fixedly connected to the side surface of the sleeve (1), a guide block (21) is arranged on the front side of the extension plate (20), a storage ring, one end of the pull rope (19) far away from the pull plate (17) penetrates through the sleeve (1) and then is fixedly connected with the side face of the containing ring (22).
3. The electronic commerce instructional device of claim 1, wherein: the lower surface of the sleeve (1) is provided with an anti-skid pad.
4. The electronic commerce instructional device of claim 1, wherein: the surface of the motor (2) is fixedly connected with a support (23), and the bottom of the support (23) is fixedly connected with the bottom of the inner wall of the sleeve (1).
5. The electronic commerce instructional device of claim 1, wherein: the number of the connecting frames (4) is two, and the two connecting frames (4) are symmetrically arranged by using the vertical central line of the rectangular rod (3).
6. The electronic commerce instructional device of claim 1, wherein: the bottom of the sliding arm (7) is an arc-shaped end face, and the sliding arm (7) is connected with the inner wall of the spiral guide groove (6) in a sliding mode through the arc-shaped end face on the sliding arm.
7. The electronic commerce instructional device of claim 2, wherein: the upper surface and the lower surface of the containing ring (22) are fixedly sleeved with anti-falling rings (24), and edges of the anti-falling rings (24) are subjected to circular arc transition treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749961.8A CN111911759B (en) | 2020-07-30 | 2020-07-30 | Electronic commerce teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010749961.8A CN111911759B (en) | 2020-07-30 | 2020-07-30 | Electronic commerce teaching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111911759A true CN111911759A (en) | 2020-11-10 |
| CN111911759B CN111911759B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010749961.8A Active CN111911759B (en) | 2020-07-30 | 2020-07-30 | Electronic commerce teaching device |
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| CN (1) | CN111911759B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460428A (en) * | 2020-11-24 | 2021-03-09 | 李文江 | Hidden and simple operation's electronic screen for classroom |
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| CN207460920U (en) * | 2017-10-25 | 2018-06-08 | 青州市亚泰农业科技有限公司 | It is a kind of that there is the flowerpot of automatic rain shading |
| CN107680191A (en) * | 2017-10-27 | 2018-02-09 | 深圳市中科智诚科技有限公司 | A kind of attendance recorder higher with defencive function and fingerprint recognition degree |
| CN211124420U (en) * | 2019-11-19 | 2020-07-28 | 四川工商学院 | Think political affairs teaching auxiliary device |
| CN111383489A (en) * | 2020-05-11 | 2020-07-07 | 山东经贸职业学院 | Mathematical education equipment with computer display function |
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| CN112460428A (en) * | 2020-11-24 | 2021-03-09 | 李文江 | Hidden and simple operation's electronic screen for classroom |
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