CN111946980A - Electronic commerce teaching device based on internet - Google Patents
Electronic commerce teaching device based on internet Download PDFInfo
- Publication number
- CN111946980A CN111946980A CN202010842236.5A CN202010842236A CN111946980A CN 111946980 A CN111946980 A CN 111946980A CN 202010842236 A CN202010842236 A CN 202010842236A CN 111946980 A CN111946980 A CN 111946980A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- toothed plate
- plate
- cylindrical cam
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007704 transition Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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)
- Display Racks (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an electronic commerce teaching device based on the internet, which comprises a shell, wherein the top of the shell is provided with a through hole, a rectangular rod is rotatably limited through the through hole, the top of the rectangular rod is fixedly connected with a display screen, a first gear is arranged in the shell, the inner wall of the first gear is provided with a rectangular hole and is in sliding connection with the surface of the rectangular rod through the rectangular hole, the rear side of the first gear is meshed with a first toothed plate, the rear side of the first toothed plate is fixedly connected with a connecting block, the rear end of the connecting block is fixedly connected with a roller, a cylindrical cam is arranged in the shell, the inner wall of the cylindrical cam is provided with a rectangular hole, and a second toothed plate and a third toothed plate are slidably limited through the rectangular. The invention solves the problem that the traditional display screen is difficult to adapt to the actual use requirement and brings inconvenience to the use in the actual use process due to the fact that the traditional display screen is still inconvenient to adjust through the matching use of the structures.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to an electronic commerce teaching device based on the Internet.
Background
Electronic commerce generally refers to a novel business operation mode in which a buyer and a seller can carry out various business activities without conspiracy in the wide business activities all over the world and under the open network environment of the internet based on an application mode of a browser and a server, so that online shopping of consumers, online transaction and online electronic payment among merchants and various business activities, transaction activities, financial activities and related comprehensive service activities are realized, and governments, scholars and business persons in all countries give different definitions according to the positions of the governments, the scholars and the business persons in all the countries and the different angles and degrees of participation in the electronic commerce; in recent years, with the rapid development of electronic products, network technology has been deeply involved in daily work, study and life of people, and the teaching effect is poor due to the fact that the flow and the operation steps of electronic commerce cannot be vividly displayed only by means of a blackboard when electronic commerce teaching is carried out in a school, and electronic teaching tools are generally adopted, but when the teaching tools are used, due to the fact that the teaching tools cannot rotate, some students cannot clearly see pictures on a display screen, and therefore the study quality of the students is affected;
therefore, an electronic commerce teaching device is provided, for example, an internet electronic commerce teaching device disclosed by a chinese patent CN206 display screen (3)346U, which comprises a display body, wherein the front surface of the display body is provided with the display screen and a control panel, the control panel is positioned at one side of the display screen, the top of the display body is provided with a wireless transmitting antenna, the bottom of the display body is fixedly connected with a first rotating shaft, and the bottom end of the first rotating shaft sequentially penetrates through a shell and a first bearing and is fixedly connected with a first bevel gear arranged inside the shell. According to the internet electronic commerce teaching device, the first bevel gear, the second bevel gear and the driving device are arranged, so that the electric telescopic rod drives the gear rod to ascend or descend, the gear is enabled to rotate forwards or backwards, the second bevel gear drives the first bevel gear to rotate forwards or backwards, the display body can rotate, each student can clearly see pictures on the display screen, and the learning quality of the students is guaranteed;
however, in the actual use process, the traditional display screen is still inconvenient to adjust, and is difficult to adapt to the actual use requirement, so that inconvenience is brought to use.
Disclosure of Invention
The invention aims to provide an electronic commerce teaching device based on the internet, 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 based on internet, includes the casing, the through-hole has been seted up at the top of casing and has the rectangle pole through the spacing rotation of through-hole, the top fixedly connected with display screen of rectangle pole, be equipped with gear one in the casing, the surface sliding connection of rectangle hole and rectangle pole has been seted up and through the rectangle hole to the inner wall of gear one, the rear side meshing of gear one has pinion rack one.
The rear side of the first toothed plate is fixedly connected with a connecting block, the rear end of the connecting block is fixedly connected with a roller, a cylindrical cam is arranged in the shell, the surface of the roller is in sliding connection with a sliding groove of the outer contour of the cylindrical cam, the inner wall of the cylindrical cam is provided with a rectangular hole, a second toothed plate and a third toothed plate slide in a limiting manner through the rectangular hole, opposite surfaces of the second toothed plate and the third toothed plate are meshed with a second gear, the second gear rotates in the inner wall of the cylindrical cam in a limiting manner, the side surface of the cylindrical cam is provided with a limiting device, the surfaces of the cylindrical cam and the second toothed plate are respectively provided with a traction device, the inner wall of the shell is fixedly connected with a guide post, the bottom of the traction device is fixedly connected with a pull rope, the bottom of the pull rope bypasses the guide post and is fixedly connected with a pull plate, the side vertical surface of the pull plate, the lower surface of baffle fixedly connected with pressure spring, the bottom of pressure spring and the last fixed surface of arm-tie are connected, the right side fixedly connected with locking device of casing.
Preferably, the limiting device comprises two side plates, the two side plates are respectively penetrated through by a second toothed plate and a third toothed plate and rotate in a limiting manner with the cylindrical cam on two sides of the cylindrical cam, guide rods are fixedly connected to two sides of the first toothed plate, and the surfaces of the guide rods penetrate through the side plates and are in sliding connection with the side plates.
Preferably, the pulling device comprises a connecting sleeve, the inner walls of the connecting sleeve are respectively fixedly connected with the surfaces of the corresponding second toothed plate and the corresponding third toothed plate, a rotating sleeve is arranged on the surface of the connecting sleeve in a limiting and rotating mode, and the bottom of the rotating sleeve is fixedly connected with the top of the pull rope.
Preferably, the surface of the shell is subjected to circular arc transition treatment.
Preferably, the back ends of the second toothed plate and the third toothed plate are fixedly connected with handles, and anti-skid grains are formed in the surfaces of the handles.
Preferably, the number of the baffle plates is two, and the two baffle plates are symmetrically arranged by a vertical central line of the pulling plate.
Preferably, locking device includes clamp plate one, the left side of clamp plate one and the right side fixed connection of casing, the through-hole has been seted up to the upper surface of clamp plate one and has the locking lever through-hole sliding connection, the top fixedly connected with clamp plate two of locking lever, the surface cover of locking lever has the extension spring, the both ends of extension spring and the opposite face fixed connection of clamp plate one and clamp plate two, the opposite face fixedly connected with gasbag one of clamp plate one and clamp plate two, the through-hole has been seted up on the right side of gasbag one and has been passed through hole fixedly connected with elasticity gas-supply pipe, the right side fixedly connected with gasbag two of handle on the pinion rack two, the surface that is close to the bottom on the elasticity gas-supply pipe runs through gasbag two and with two fixed connection of gasbag, the annular locked groove with the locking lever block is.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the device integrally provides support for the device through the shell; the synchronous rotation of the cylindrical cam is realized by manually driving the toothed plate III or the toothed plate II;
due to the arrangement of the limiting device, the first toothed plate can perform left-right limiting sliding in the shell, when the third toothed plate or the second toothed plate drives the cylindrical cam to synchronously rotate, relative sliding is generated between the sliding groove of the outer contour of the cylindrical cam and the roller, and the roller can drive the connecting block and the first toothed plate to perform left-right reciprocating sliding in the shell under the guidance of the sliding groove of the outer contour of the cylindrical cam; the gear I meshed with the toothed plate I drives the rectangular rod to synchronously rotate, and the steering adjustment of the toothed plate III is realized through the rotation of the rectangular rod;
secondly, the toothed plate II is pushed and pulled manually to move left and right in the inner wall of the cylindrical cam, the gear II which can be meshed with the toothed plate II rotates in the cylindrical cam along with the toothed plate II, and meanwhile, the toothed plate III is driven by the rotation of the gear II to move in a direction opposite to that of the toothed plate II, namely, the toothed plate II and the toothed plate III can move in the cylindrical cam in opposite directions or away from each other;
when the two parts move away from each other, the traction devices move synchronously with the two parts, the respective pull ropes are drawn by the traction devices, so that the pull plate can lift relative to the shell after overcoming the elastic action of the pressure spring, the rectangular rod can be lifted upwards through the lifting of the pull plate, the height of the display screen is improved, and when the pull plate descends, the rectangular rod can move downwards in the first gear under the influence of the gravity of the display screen, so that the height of the display screen moves downwards, and in sum, the lifting height of the display screen can be adjusted;
thirdly, the invention solves the problem that the traditional display screen is difficult to adapt to the actual use requirement and brings inconvenience to the use in the actual use process due to the fact that the traditional display screen is still inconvenient to adjust through the matching use of the structures.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the housing of the present invention;
FIG. 3 is a top cross-sectional view of the cylindrical cam of the present invention;
FIG. 4 is a front cross-sectional view of a rectangular bar of the present invention;
FIG. 5 is a front view of a second air bag of the present invention;
fig. 6 is a right side view of the cylindrical cam of the present invention.
In the figure: the device comprises a shell 1, a rectangular rod 2, a display screen 3, a first gear, a first 5-toothed plate, a 6-connecting block, a roller 7, a cylindrical cam 8, a second 9-toothed plate, a third 10-toothed plate, a second 11-gear, a 12-limiting device, a side plate 121, a guide rod 122, a pulling device 13, a connecting sleeve 131, a rotating sleeve 132, a guide column 14, a pulling rope 15, a pulling plate 16, a baffle 17, a pressure spring 18, a locking device 19, a first 191-pressure plate, a first 192-locking rod, a second 193-pressure plate, a tension spring 194, a first 195-air bag, a first 196-elastic air pipe, a second 197-air bag, a second 198-annular locking groove and a handle 20.
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 6, the present invention provides a technical solution: an electronic commerce teaching device based on the internet comprises a shell 1, wherein the surface of the shell 1 is subjected to arc transition treatment, and the surface of the shell 1 is subjected to arc transition treatment, so that scratches on the skin of a user can be reduced when accidental collision occurs; the support is provided for the whole device through the shell 1;
the top of the shell 1 is provided with a through hole and is limited to rotate by the through hole, the rectangular rod 2 is fixedly connected to the top of the rectangular rod 2 through a display screen 3, a first gear 4 is arranged in the shell 1, the inner wall of the first gear 4 is provided with a rectangular hole and is in sliding connection with the surface of the rectangular rod 2 through the rectangular hole, and the rear side of the first gear 4 is meshed with a first toothed plate 5;
the rear side of the toothed plate I5 is fixedly connected with a connecting block 6, the rear end of the connecting block 6 is fixedly connected with a roller 7, a cylindrical cam 8 is arranged in the shell 1, the surface of the roller 7 is in sliding connection with a sliding groove of the outer contour of the cylindrical cam 8, the inner wall of the cylindrical cam 8 is provided with a rectangular hole, and a toothed plate II 9 and a toothed plate III 10 slide in a limiting manner through the rectangular hole, the opposite back ends of the toothed plate II 9 and the toothed plate III 10 are both fixedly connected with a handle 20, the surface of the handle 20 is provided with anti-slip patterns, the toothed plate II 9 and the toothed plate III 10 are conveniently driven manually through the arrangement of the handle 20, and the anti-slip patterns are arranged on the handle, so that the; the synchronous rotation of the cylindrical cam 8 is realized by manually driving the toothed plate III 10 or the toothed plate II 9;
the opposite surfaces of the second toothed plate 9 and the third toothed plate 10 are engaged with a second gear 11, the second gear 11 performs limited rotation in the inner wall of the cylindrical cam 8, a limiting device 12 is arranged on the side surface of the cylindrical cam 8, the limiting device 12 comprises two side plates 121, the two side plates 121 are respectively penetrated through by the second toothed plate 9 and the third toothed plate 10 and perform limited rotation with the cylindrical cam 8 on two sides of the cylindrical cam 8, guide rods 122 are fixedly connected to two sides of the first toothed plate 5, the surfaces of the guide rods 122 penetrate through the side plates 121 and are in sliding connection with the side plates 121, the limited rotation of the cylindrical cam 8 in the shell 1 is limited through the two side plates 121, and the guide rods 122 are arranged to ensure that the first toothed plate 5 performs stable left-right limited sliding in the shell 1;
due to the arrangement of the limiting device 12, the toothed plate I5 can only perform left-right limiting sliding in the housing 1, when the toothed plate III 10 or the toothed plate II 9 drives the cylindrical cam 8 to synchronously rotate, relative sliding is generated between the sliding groove of the outer contour on the cylindrical cam 8 and the roller 7, and the roller 7 can drive the connecting block 6 and the toothed plate I5 to perform left-right reciprocating sliding in the housing 1 under the guidance of the sliding groove of the outer contour on the cylindrical cam 8; the gear I4 meshed with the toothed plate I5 drives the rectangular rod 2 to synchronously rotate, and the steering adjustment of the toothed plate III 10 is realized through the rotation of the rectangular rod 2;
the surfaces of the cylindrical cam 8 and the second toothed plate 9 are respectively provided with a traction device 13, each traction device 13 comprises a connecting sleeve 131, the inner walls of the two connecting sleeves 131 are respectively fixedly connected with the surfaces of the corresponding second toothed plate 9 and the corresponding third toothed plate 10, a rotating sleeve 132 is arranged on the surface of each connecting sleeve 131 in a limiting rotation mode, the bottom of each rotating sleeve 132 is fixedly connected with the top of the pull rope 15, the rotating sleeves 132 rotate on the connecting sleeves 131 to ensure that the normal traction of the pull rope 15 cannot be influenced by the rotation of the second toothed plate 9 and the third toothed plate 10, and the rotating sleeves 132 rotate on the connecting sleeves 131 in a limiting rotation mode to ensure that the connecting sleeves 131 move to drive the traction of the pull rope 15 to move;
the inner wall of the shell 1 is fixedly connected with a guide post 14, the bottom of the traction device 13 is fixedly connected with a pull rope 15, the bottom of the pull rope 15 bypasses the guide post 14 and is fixedly connected with a pull plate 16, the side vertical surface of the pull plate 16 is in sliding connection with the inner wall of the shell 1, the inner wall of the shell 1 is fixedly connected with two baffle plates 17, the two baffle plates 17 are symmetrically arranged by the vertical central line of the pull plate 16, the left and right stress of the pull plate 16 is more balanced through the arrangement of the two baffle plates 17, and the pull plate 16 is not easy to clamp when lifting in the shell 1;
manually pushing and pulling the toothed plate II 9 to enable the toothed plate II 9 to move left and right in the inner wall of the cylindrical cam 8, the gear II 11 which can be meshed with the toothed plate II 9 rotates in the cylindrical cam 8 along with the toothed plate II, and meanwhile, the toothed plate III 10 is driven by the rotation of the gear II 11 to move in a direction opposite to that of the toothed plate II 9, namely, the toothed plate II 9 and the toothed plate III 10 can move in the cylindrical cam 8 in the opposite direction or away from each other;
when the two parts move away from each other, the traction device 13 moves synchronously with the two parts, the traction device 13 pulls the respective pull ropes 15, so that the pull plate 16 can lift relative to the shell 1 after overcoming the elastic action of the pressure spring 18, the rectangular rod 2 can be lifted upwards through the lifting of the pull plate 16, the height of the display screen 3 is improved, when the pull plate 16 descends, the rectangular rod 2 can move downwards in the first gear 4 under the influence of the gravity of the display screen 3, and the height of the display screen 3 further moves downwards, and in sum, the lifting height of the display screen 3 can be adjusted;
the lower surface of the baffle 17 is fixedly connected with a pressure spring 18, the bottom of the pressure spring 18 is fixedly connected with the upper surface of a pulling plate 16, the right side of the shell 1 is fixedly connected with a locking device 19, the locking device 19 comprises a first pressure plate 191, the left side of the first pressure plate 191 is fixedly connected with the right side of the shell 1, the upper surface of the first pressure plate 191 is provided with a through hole and is slidably connected with a locking rod 192 through the through hole, the top of the locking rod 192 is fixedly connected with a second pressure plate 193, the surface of the locking rod 192 is sleeved with a tension spring 194, two ends of the tension spring 194 are fixedly connected with opposite surfaces of the first pressure plate 191 and the second pressure plate 193, the opposite surfaces of the first pressure plate 191 and the second pressure plate 193 are fixedly connected with a first air bag 195, the right side of the first air bag 195 is provided with a through hole and is fixedly connected with an elastic air pipe 196 through the through hole, when the locking device is used, as shown in fig. 5, under the action of the elastic force of the tension spring 194, the pressure plate two 193 drives the locking rod 192 to be clamped with the annular locking groove 198 on the toothed plate two 9, so that the toothed plate two 9 is locked in the left-right moving direction, and the toothed plate two 9 is prevented from moving left and right;
when the toothed plate II 9 needs to be unlocked by moving left and right, the air bag II 197 is manually pressed, so that the air in the air bag II 197 is transmitted into the air bag I195 through the elastic air conveying pipe 196, the volume of the air bag I195 is expanded, the pressure plate II 193 is upwards fixed after overcoming the elastic force of the tension spring 194, the lock rod 192 moves upwards along with the air bag I, then the lock rod is disengaged from the annular lock groove 198, and the toothed plate II 9 can move left and right at will; because the elastic air conveying pipe 196 is an elastic pipe, the elastic air conveying pipe 196 can adapt to the rotation of the toothed plate two 9.
The working principle is as follows: when the electronic commerce teaching device based on the internet is used, the whole device is supported by the shell 1; the synchronous rotation of the cylindrical cam 8 is realized by manually driving the toothed plate III 10 or the toothed plate II 9; due to the arrangement of the limiting device 12, the toothed plate I5 can only perform left-right limiting sliding in the housing 1, when the toothed plate III 10 or the toothed plate II 9 drives the cylindrical cam 8 to synchronously rotate, relative sliding is generated between the sliding groove of the outer contour on the cylindrical cam 8 and the roller 7, and the roller 7 can drive the connecting block 6 and the toothed plate I5 to perform left-right reciprocating sliding in the housing 1 under the guidance of the sliding groove of the outer contour on the cylindrical cam 8; the gear I4 meshed with the toothed plate I5 drives the rectangular rod 2 to synchronously rotate, and the steering adjustment of the toothed plate III 10 is realized through the rotation of the rectangular rod 2; the toothed plate two 9 is moved left and right in the inner wall of the cylindrical cam 8 by manually pushing and pulling the toothed plate two 9, the gear two 11 which can be meshed with the toothed plate two 9 rotates in the cylindrical cam 8 along with the gear, and meanwhile, the toothed plate three 10 is driven by the rotation of the gear two 11 to move in a direction opposite to that of the toothed plate two 9, namely, the toothed plate two 9 and the toothed plate three 10 can move in the cylindrical cam 8 in opposite directions or away from each other; when the two parts move away from each other, the traction device 13 moves synchronously with the two parts, the traction device 13 pulls the respective pull ropes 15, so that the pull plate 16 can lift relative to the shell 1 after overcoming the elastic action of the pressure spring 18, the rectangular rod 2 can be lifted upwards through the lifting of the pull plate 16, the height of the display screen 3 is improved, when the pull plate 16 descends, the rectangular rod 2 can move downwards in the first gear 4 under the influence of the gravity of the display screen 3, and the height of the display screen 3 further moves downwards, and in sum, the lifting height of the display screen 3 can be adjusted; through the cooperation use between the above-mentioned structure, solved in the in-service use, because the regulation of traditional display screen is still not inconvenient enough, is difficult to adapt to actual user demand, brings inconvenient problem for the use.
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. The utility model provides an electronic commerce teaching device based on internet which characterized in that: the gear box comprises a shell (1), wherein a through hole is formed in the top of the shell (1), a rectangular rod (2) is arranged in the shell (1) in a limiting and rotating mode through the through hole, a display screen (3) is fixedly connected to the top of the rectangular rod (2), a first gear (4) is arranged in the shell (1), a rectangular hole is formed in the inner wall of the first gear (4) and is in sliding connection with the surface of the rectangular rod (2) through the rectangular hole, and a first toothed plate (5) is meshed with the rear side of the first gear (4);
the rear side of the first toothed plate (5) is fixedly connected with a connecting block (6), the rear end of the connecting block (6) is fixedly connected with a roller (7), a cylindrical cam (8) is arranged in the shell (1), the surface of the roller (7) is in sliding connection with a sliding groove of an outer contour on the cylindrical cam (8), the inner wall of the cylindrical cam (8) is provided with a rectangular hole, a second toothed plate (9) and a third toothed plate (10) slide in a limiting mode through the rectangular hole, opposite surfaces of the second toothed plate (9) and the third toothed plate (10) are meshed with a second gear (11), the second gear (11) rotates in the inner wall of the cylindrical cam (8) in a limiting mode, a limiting device (12) is arranged on the side face of the cylindrical cam (8), traction devices (13) are arranged on the surfaces of the cylindrical cam (8) and the second toothed plate (9), and a guide column (14) is fixedly connected with the inner wall of the, the bottom fixedly connected with stay cord (15) of tractive device (13), behind guide post (14) and fixedly connected with arm-tie (16) are walked around to the bottom of stay cord (15), the side vertical plane of arm-tie (16) and the inner wall sliding connection of casing (1), the inner wall fixedly connected with baffle (17) of casing (1), the lower fixed surface of baffle (17) is connected with pressure spring (18), the bottom of pressure spring (18) and the last fixed surface of arm-tie (16) are connected, the right side fixedly connected with locking device (19) of casing (1).
2. The internet-based e-commerce instruction apparatus of claim 1, wherein: stop device (12) include two curb plates (121), two curb plate (121) are run through and are rotated with cylindrical cam (8) spacing on the both sides of cylindrical cam (8) by pinion rack two (9) and pinion rack three (10) respectively, the equal fixedly connected with guide bar (122) in both sides of pinion rack (5), the surface of guide bar (122) run through curb plate (121) and with curb plate (121) sliding connection.
3. The internet-based e-commerce instruction apparatus of claim 1, wherein: the drawing device (13) comprises a connecting sleeve (131), the inner wall of the connecting sleeve (131) is respectively fixedly connected with the surfaces of the two corresponding toothed plates (9) and the three toothed plates (10), a rotating sleeve (132) is arranged on the surface of the connecting sleeve (131) in a limiting rotating mode, and the bottom of the rotating sleeve (132) is fixedly connected with the top of the pull rope (15).
4. The internet-based e-commerce instruction apparatus of claim 1, wherein: the surface of the shell (1) is subjected to circular arc transition treatment.
5. The internet-based e-commerce instruction apparatus of claim 1, wherein: the back of the tooth plate II (9) and the back of the tooth plate III (10) are fixedly connected with handles (20), and anti-slip grains are formed in the surfaces of the handles (20).
6. The internet-based e-commerce instruction apparatus of claim 1, wherein: the number of the baffle plates (17) is two, and the two baffle plates (17) are symmetrically arranged by the vertical central line of the pulling plate (16).
7. The internet-based e-commerce instruction apparatus of claim 1, wherein: locking device (19) is including clamp plate (191), the left side of clamp plate (191) and the right side fixed connection of casing (1), the upper surface of clamp plate (191) has seted up the through-hole and has locking lever (192) through-hole sliding connection, the top fixedly connected with clamp plate two (193) of locking lever (192), the surface cover of locking lever (192) has extension spring (194), the opposite face fixed connection of both ends and clamp plate (191) and clamp plate two (193) of extension spring (194), the opposite face fixedly connected with gasbag (195) of clamp plate (191) and clamp plate two (193), the through-hole has been seted up and has been had elastic gas-supply pipe (196) through-hole fixed connection on the right side of gasbag one (195), the right side fixedly connected with gasbag two (197) of handle (20) on pinion rack two (9), the surface that is close to the bottom on elastic gas-supply pipe (196) runs through gasbag two (197) and with gasbag two (197) fixed connection, and an annular lock groove (198) clamped with the lock rod (192) is formed in the surface, close to the right end, of the second toothed plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842236.5A CN111946980B (en) | 2020-08-20 | 2020-08-20 | Electronic commerce teaching device based on internet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842236.5A CN111946980B (en) | 2020-08-20 | 2020-08-20 | Electronic commerce teaching device based on internet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111946980A true CN111946980A (en) | 2020-11-17 |
| CN111946980B CN111946980B (en) | 2022-03-01 |
Family
ID=73358680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010842236.5A Active CN111946980B (en) | 2020-08-20 | 2020-08-20 | Electronic commerce teaching device based on internet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111946980B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467470A (en) * | 2020-12-23 | 2021-03-09 | 安徽云飞芳植生物科技有限公司 | Portable multifunctional line connection equipment for computer network |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9775757B1 (en) * | 2014-03-28 | 2017-10-03 | Rfs Innovation Llc | Lift chair and seat |
| CN110817522A (en) * | 2019-12-05 | 2020-02-21 | 林高兴 | Cloth ironing and winding device |
| CN110974430A (en) * | 2019-12-24 | 2020-04-10 | 付连冲 | Orthopedics is clinical places box with apparatus |
| CN210319251U (en) * | 2019-07-03 | 2020-04-14 | 中山市翔宇精密光电仪器有限公司 | Military infrared night vision device |
| CN111150496A (en) * | 2019-12-31 | 2020-05-15 | 王海涛 | Nerve severe data acquisition equipment |
| CN111166445A (en) * | 2019-12-23 | 2020-05-19 | 刘慧杰 | Clinical practise midwifery subassembly of obstetrical department |
| CN210840384U (en) * | 2019-11-25 | 2020-06-23 | 山东索云信息科技有限公司 | Hidden request service device |
| CN211016176U (en) * | 2019-11-06 | 2020-07-14 | 上海国景模型设计有限公司 | Sand table lifting mechanism |
| CN111528822A (en) * | 2020-05-27 | 2020-08-14 | 杨春华 | High-risk puerpera blood pressure monitoring and diagnosing device |
-
2020
- 2020-08-20 CN CN202010842236.5A patent/CN111946980B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9775757B1 (en) * | 2014-03-28 | 2017-10-03 | Rfs Innovation Llc | Lift chair and seat |
| CN210319251U (en) * | 2019-07-03 | 2020-04-14 | 中山市翔宇精密光电仪器有限公司 | Military infrared night vision device |
| CN211016176U (en) * | 2019-11-06 | 2020-07-14 | 上海国景模型设计有限公司 | Sand table lifting mechanism |
| CN210840384U (en) * | 2019-11-25 | 2020-06-23 | 山东索云信息科技有限公司 | Hidden request service device |
| CN110817522A (en) * | 2019-12-05 | 2020-02-21 | 林高兴 | Cloth ironing and winding device |
| CN111166445A (en) * | 2019-12-23 | 2020-05-19 | 刘慧杰 | Clinical practise midwifery subassembly of obstetrical department |
| CN110974430A (en) * | 2019-12-24 | 2020-04-10 | 付连冲 | Orthopedics is clinical places box with apparatus |
| CN111150496A (en) * | 2019-12-31 | 2020-05-15 | 王海涛 | Nerve severe data acquisition equipment |
| CN111528822A (en) * | 2020-05-27 | 2020-08-14 | 杨春华 | High-risk puerpera blood pressure monitoring and diagnosing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467470A (en) * | 2020-12-23 | 2021-03-09 | 安徽云飞芳植生物科技有限公司 | Portable multifunctional line connection equipment for computer network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111946980B (en) | 2022-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111946980B (en) | Electronic commerce teaching device based on internet | |
| CN207676538U (en) | A kind of Financial Economics teaching display board | |
| CN201235678Y (en) | Movable project screen for teaching | |
| CN206979941U (en) | A kind of multi-functional strength trainer tool of swing arm | |
| CN214222581U (en) | Teaching demonstration device based on big data analysis | |
| CN206003346U (en) | A kind of internet electronic business instructional device | |
| CN213518844U (en) | Primary school mathematics three-dimensional model teaching display device | |
| CN212061511U (en) | Mining equipment electric shovel 3D VR simulation training ware | |
| CN214130151U (en) | Adjustable multifunctional fitness equipment | |
| CN212032395U (en) | Mathematics teaching instrument | |
| CN211059703U (en) | Combined solid geometry teaching instrument | |
| CN113888932A (en) | Make things convenient for mutual locking regulation formula of memory contrast board for chinese-Japanese language teaching | |
| CN208741858U (en) | A kind of adaptive physical education chest expander of anti-fall | |
| CN210428971U (en) | Energy-concerving and environment-protective english and American literature teaching assistance equipment | |
| CN213545857U (en) | Town and country planning overall arrangement display device | |
| CN214147290U (en) | Big data teaching training platform | |
| CN214312258U (en) | College english teaching vocabulary display device | |
| CN214475684U (en) | Teaching is with electronic design synthesizes real device of instructing convenient to accomodate | |
| CN215220004U (en) | Word display device is used in primary school's english teaching that can promote interest | |
| CN206366123U (en) | A kind of body-building leaning table | |
| CN216083959U (en) | Explanation device for electronic commerce training | |
| CN213593982U (en) | Interactive teaching clipboard of online education | |
| CN215950997U (en) | Display device is used in electronic commerce's teaching | |
| CN210865175U (en) | Be used for english word teaching to use auxiliary device | |
| CN204864739U (en) | Multifunctional body -building device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |